manualshive.com logo in svg

Viavi CellAdvisor JD700B Series, Руководство пользователя


Поделиться
Скачать
background image

Chapter 14

 Using NB-IoT Signal Analyzer 

502

 

JD700B Series User’s Guide

 

Configuring test parameters 

Setting frequency 

You can set the frequency with either frequency or channel number. If a frequency to be set matches to the 
frequency corresponding to the selected channel standard, the instrument calculates its channel number 
and updates the screen with it automatically. 
 

Procedure

 

To set the center frequency: 

1 

Press the 

FREQ/DIST

 hard key. 

2 

Toggle the 

Unit

 soft key and select 

Freq

. 

3 

Press the 

Center Frequency

 soft key. 

4 

Enter a value by using the numeric keys. You can also use the rotary knob. 

5 

Select the unit: 

GHz

, 

MHz

, 

kHz

, or 

Hz

. 

6 

Optional

. To define the amount of frequency increment for the rotary knob, complete the following 

steps: 

 

Press the 

Frequency Step

 soft key. 

 

Enter a value by using the numeric keys. You can also use the rotary knob. 

 

Press the unit: 

GHz

, 

MHz

, 

kHz

, or 

Hz

. 

 

To set the channel number: 

1 

Press the 

FREQ/DIST

 hard key. 

2 

Toggle the 

Unit

 soft key and select 

Channel

. 

3 

To select the standard channel, complete the following steps: 

 

Press the 

Channel Std

 soft key. The standard channel window appears. 

See “Appendix C – Band, frequency & channel standard” on page 780 for more information. 

 

Highlight the band to be measured by using the rotary knob, the arrow keys, or the 

Page 

Up/Page Down

 soft keys. 

 

Press the 

Select

 soft key or the rotary knob to confirm the selection. 

4 

Press the 

Channel Number

 soft key. 

5 

Enter a value by using the numeric keys. You can also use the rotary knob. 

6 

Press the 

Enter

 soft key. 

The instrument automatically displays the corresponding center frequency value for the selected 
channel number. 

7 

Optional

. To define the amount of channel increment for the rotary knob, complete the following 

steps: 

 

Press the 

Channel Step

 soft key. 

 

Enter a value by using the numeric keys. You can also use the rotary knob. 

 

Press the 

Enter

 soft key. 

 

 

NOTE

 

This frequency setting is not used in the Spurious Emissions mode. 

 

Setting amplitude 

Reference level and attenuation 

You can set the reference and attenuation levels automatically or manually to optimize the display of the 
traces measured, as you desire. 
 

Содержание CellAdvisor JD700B Series

Страница 1: ...ralia Enabling Australia s Field Technicians to build troubleshoot and maintain better communications networks Industry Best Pricing Finance Available Short to Medium Project Based Rental Solutions Dedicated Technical After Sales Support In house Diagnostics Repair NATA Calibration Laboratory FREECALL 1800 680 680 ...

Страница 2: ...CellAdvisorTM JD700B Series FW3 120 User s Guide ...

Страница 3: ...CellAdvisorTM JD700B Series FW3 120 User s Guide JD785B JD745B Base Station Analyzer JD786B JD746B RF Analyzer JD788B JD748B Signal Analyzer VIAVI Solutions 1 844 GO VIAVI www viavisolutions com ...

Страница 4: ... other countries iOS is a trademark or a registered trademark of Apple Inc in the United States and or other countries Windows and Windows 7 are either trademarks or registered trademarks of Microsoft Corporation in the United States and or other countries Copyright release Reproduction and distribution of this guide is authorized for US Government purposes only Ordering information This document ...

Страница 5: ...0 1 2012 et CAN CSA C22 2 No 61010 1 12 La conformité à ces exigences est fondée sur la conformité à la norme CEI 61010 1 Une copie de la déclaration de conformité est disponible sur demande EMC directive compliance This product was tested and conforms to the EMC Directive 2004 108 EC and its amending directives for electromagnetic compatibility Conformity with this directive is based upon complia...

Страница 6: ...rn equipment and batteries to VIAVI for appropriate disposal If the equipment or battery was imported by a reseller whose name or logo is marked on the equipment or battery then the owner should return the equipment or battery directly to the reseller Instructions for returning waste equipment and batteries to VIAVI can be found in the Environmental section of VIAVI web site at www viavisolutions ...

Страница 7: ...7 Using file manager 38 Favorite 39 Saving to favorite 39 Managing a setup file 39 Managing a favorite group file 40 Configuring system 41 Setting frequency reference 41 Setting frequency reference for 28 GHz downconverter 41 Setting date and time 41 Setting language 42 Setting power on 42 Changing display mode 42 Setting sleep time 43 Adjusting LCD brightness 43 Adjusting volume 43 Upgrading firm...

Страница 8: ...62 Using marker 63 Using peak search 64 Chapter 4 Using Spectrum Analyzer 65 Introduction 66 Display overview 66 Connecting a cable 67 Selecting measurement mode 68 Configuring test parameters 68 Setting frequency 68 Setting frequency for 28 GHz downconverter 70 Setting amplitude 70 Setting bandwidth 73 Setting average 73 Setting sweep 74 Using signal generator RF source 75 Conducting spectrum mea...

Страница 9: ...3 Indirect connection 143 Over the air OTA 144 Selecting measurement mode 145 Configuring test parameters 145 Setting frequency 145 Setting amplitude 146 Setting average 148 Setting sweep mode 148 Setting trigger source 148 Conducting spectrum measurements 149 Setting measure setup 149 Setting trace 149 Conducting RF measurements 150 Channel power 150 Occupied bandwidth 151 Spectrum emission mask ...

Страница 10: ... Table 196 Setting limit for modulation tests 197 Performing auto measurements 198 Setting limit for auto measure 198 Setting measure setup 198 Setting display 199 Performing power statistics CCDF measurement 199 Setting measure setup 199 Measurement example 200 Conducting WCDMA HSPA OTA measurements 200 Channel scanner 200 Scramble scanner 202 Multipath profile 202 Code domain power 203 Route map...

Страница 11: ...ent example 259 Using marker 260 Conducting LTE FDD OTA measurements 260 Channel scanner 260 ID scanner 262 Multipath profile 263 Control channel 264 Datagram 267 Route map 269 Performing RAN performance testing 275 Preparing your smartphone for remote control via Bluetooth 275 Setting parameters on RANAdvisor TrueSiteTM 276 Performing RAN performance testing 277 Measurement example 277 Setting pe...

Страница 12: ...ements 329 Channel scanner 329 ID scanner 331 Multipath profile 333 Control channel 334 Datagram 336 Route map 338 Performing RAN performance testing 344 Preparing your smartphone for remote control via Bluetooth 344 Setting parameters on RANAdvisor TrueSiteTM 345 Performing RAN performance testing 345 Measurement example 346 Setting performance score level 346 Chapter 10 Using CDMA Signal Analyze...

Страница 13: ...tting frequency 389 Setting amplitude 390 Setting average 392 Setting sweep mode 392 Setting trigger source 392 Setting external clock 392 Conducting spectrum measurements 394 Setting trace 394 Conducting RF measurements 395 Channel power 395 Occupied bandwidth 396 Spectrum emission mask SEM 396 ACPR 397 Multi ACPR 398 Spurious emissions 399 Setting limit for RF tests 401 Conducting power vs time ...

Страница 14: ...ests 442 Conducting power vs time measurements 442 Power vs time slot 442 Power vs time frame 444 Power vs time mask 445 Timogram 446 Setting limit for power vs time tests 448 Conducting modulation measurements 448 Constellation 449 Midamble power 450 Code power 451 Code error 453 Setting limit for modulation tests 454 Performing auto measurements 455 Setting limit 455 Setting measure setup 455 Se...

Страница 15: ...T Signal Analyzer 498 Introduction 499 Connecting a cable 500 Direct connection 500 Indirect connection 500 Over the air OTA 500 Selecting measurement mode 501 Configuring test parameters 502 Setting frequency 502 Setting amplitude 502 Setting average 504 Setting sweep mode 504 Setting trigger source 505 Setting external clock 505 Conducting NB IoT in band spectrum measurement 506 Setting measure ...

Страница 16: ...ing a measurement 536 Measurement example 537 Performing 1 port phase measurements 538 Making a measurement 538 Measurement example 538 Performing Smith chart measurements 539 Making a measurement 539 Measurement example 540 Performing 2 port vector measurements 540 Making a measurement 540 Measurement example 541 Performing 2 port scalar measurements 542 Making a measurement 542 Measurement examp...

Страница 17: ...de 586 Selecting port 587 Setting measure setup 587 Configuring Rx Parameters 587 Calculating possible PIM 589 Detecting PIM single and multiple carriers 589 Measurement example 590 Performing LTE FDD downlink signal analysis 590 Connecting cables 591 Selecting measurement mode 591 Selecting port 591 Configuring test parameters 592 Setting measure setup 594 Configuring Rx Parameters 594 Conducting...

Страница 18: ...asurement mode 650 Selecting port 650 Setting measure setup 650 Setting Rx optic limit 650 Conducting layer 2 term test 651 Measurement example 652 Performing interference analysis 652 Connecting cables 652 Selecting measurement mode 653 Selecting port 653 Configuring test parameters 653 Setting measure setup 657 Conducting spectrum measurement 658 Conducting spectrogram 660 Conducting RSSI 661 Pe...

Страница 19: ...g link status 732 Chapter 19 Using Channel Scanner 734 Introduction 735 Display overview 735 Connecting a cable 735 Direct connection 735 Indirect connection 736 Over the air OTA 736 Selecting measurement mode 737 Configuring test parameters 737 Setting frequency 737 Setting amplitude 737 Setting average 739 Setting sweep mode 739 Making channel scanner measurements 740 Setting channel 740 Measure...

Страница 20: ...MF spectrum measurements 769 Setting trace 770 Setting limit 770 Recording and replaying EMF logging data 771 Logging EMF spectrum data 771 Replaying EMF spectrum data 772 Appendix 774 Appendix A Product general information 775 JD780B series 775 JD740B series 777 Appendix B Cable list 779 Appendix C Band frequency channel standard 780 Appendix D VSWR Return loss conversion table 783 Appendix E Cyc...

Страница 21: ...eries User s Guide JD740B series 807 Appendix K On screen keyboard 808 Adding or deleting letters 808 Editing or adding a custom keyword 808 Appending a keyword 809 Appendix L Supported map display parameters 811 ...

Страница 22: ...er include the following Purpose and scope 22 Assumptions 22 Safety and compliance information 22 Conventions 23 Technical assistance 24 Sections Safety and compliance information and Conventions in this chapter contain information in French as well ...

Страница 23: ...e et de la terminologie Safety and compliance information It is mandatory to permanently connect this product to the protective earth When supplying power to this device always use an AC power cable that includes an earth safety ground connection Informations de sécurité et de conformité Il est obligatoire de se connecter en permanence ce produit à la protecteur terre Lorsque alimenter en énergie ...

Страница 24: ...t pas être éliminé dans un site d enfouissement ou les déchets municipaux et doit être éliminé conformément à la réglementation nationales Conventions This guide uses typographical and symbols conventions as described in the following tables Conventions Ce guide utilise les conventions typographiques et les symboles tels que décrits dans les tableaux suivants Table 1 Text formatting and other typo...

Страница 25: ...result in death or serious injury It may be associated with either a general hazard high voltage or risk of explosion symbol Indique une situation potentiellement dangereuse qui si elle n est pas évitée entraînera la mort ou des blessures graves WARNING AVERTISSEMENT Indicates a potentially hazardous situation that if not avoided could result in death or serious injury It may be associated with ei...

Страница 26: ...Series Overview This chapter provides a general description of the JD700B series Topics discussed in this chapter include the following About the JD700B series 26 Features and capabilities 26 Options 27 Specifications 27 ...

Страница 27: ... sites of all wireless technologies from 2G to 4G RF analyzer JD786B and JD746B The RF Analyzer provides multi purpose solution for the analysis of RF systems covering all physical aspects of transmission reception and interference of RF systems up to 8 GHz and 4 GHz respectively Signal analyzer JD788B and JD748B The Signal Analyzer contains all the features and capabilities required to perform ce...

Страница 28: ...on page 791 for more information Specifications AC power Input voltage is automatically selected within the instrument s tolerable input line voltage from 100 to 240 VAC This instrument does not have a separate line protection fuse Table 5 AC power requirements Item JD780B Specification JD740B Specification AC Power 100 to 240 V AC 50 60 Hz 100 to 240 V AC 50 60 Hz Power Consumption 42 W in operat...

Страница 29: ...D700B series 29 Exploring the JD700B series 29 Installing battery pack 34 Starting up the JD700B series 34 Managing files 35 Favorite 39 Upgrading firmware 43 Managing licenses 45 Performing service diagnostic 48 Using system administration 49 Running IP test 50 Activating StrataSync 50 Activating StrataSync 53 Activating StrataSync 54 Setting communication 55 Managing help manual 60 ...

Страница 30: ...t your nearest VIAVI authorized sales and service office A basic test set of JD700B series would include the following items in the package For more options see Appendix I Ordering information on page 791 Table 7 Items included in a basic test set shipment Item Quantity JD700B series instrument JD785B JD786B JD788B JD745B JD746B or JD748B 1 AC DC power adapter and power cord 1 1 5 meter cross LAN ...

Страница 31: ... average settings TRACE DISPLAY You can set up trace and display parameters MARKER You can analyze measurements with markers PEAK SEARCH You can set up peak search parameters Hot keys When the user input field on the screen is inactive you can use these hot keys to activate specific functions instead of numbers When you see the user input field activated or highlighted press the ESC hard key to us...

Страница 32: ...e level The small arrowhead symbol in the screen menu indicates that there are screen menus under the screen menu Data entry and other keys Key Description ROTARY KNOB WITH ENTER KEY You can change a value with predefined increments or move marker position Rotating this knob clockwise increases value or moves a marker to the right and rotating counter clockwise does vice versa This knob works as t...

Страница 33: ...not apply or connect power exceeding 25 dBm to this Reflection RF Out port If such power is applied it will degrade the product s performance and can cause damage to the product in worst case RF In Cable and Antenna Analyzer The RF In port is a precise 50 Ω N type female connector that is used as the input signal port for 2 port vector measurements in the Cable and Antenna Analyzer mode CAUTION Th...

Страница 34: ... port to connect an external power sensor Bluetooth USB adapter or P5000i fiber microscope See Appendix G Bluetooth connection on page 787 on how to set up and use the Bluetooth connection LAN You can use this Ethernet communication port to connect your instrument and your PC using the application software JDViewer or Motorola WinLMF if necessary Two LEDs indicate data transfer activity and link s...

Страница 35: ...at came with your instrument is Lithium Ion and it may if not connected correctly lead to explosion In case you need to replace the battery you must use one of the same kinds or compatible ones You must dispose a battery according to your local safety and environmental regulations NOTE It is recommended that you turn off the instrument to replace the battery However if you do not want to interrupt...

Страница 36: ...ly available in BBU emulation mode Save Profile jcm Measurement result csv Save Result as CSV Format csv Setup and test configuration Save Setup sta Limit setting Save Limit jml Logging data Save Logging Data grr gsr csv Automatically screen or results that falls outside the defined limit settings Failed event Save On Event png tra csv The on screen keyboard appears NOTE Save Setup saves a test co...

Страница 37: ...he Test Purpose field 12 Enter a summary of your test results in the Result field 13 Type your company name in the Company Name field 14 Enter your company or site address in the Address field 15 To attach your company logo and up to six captured screens to the report tap the Click to Attach bar attach image files as desired and then tap the Save button Saving fail events Depending on the measurem...

Страница 38: ...on select your desired keyword button in the upper screen type a keyword and then tap the Save button on the keyboard See Editing or adding a custom keyword on page 808 for more information To include a keyword in the file name touch the Append Keywords button select your desired keyword and then tap the Keyboard button See Appending a keyword on page 809 for more information To create a folder pr...

Страница 39: ...ive Information of your selected file appears in the File Information pane 5 Press the Load soft key Using file manager The File Manager lets you copy cut paste and delete data files saved in the internal memory or in your USB memory drive Procedure 1 Press the SAVE LOAD hot key The Save Load menu bar appears 2 Press the File Manager soft key The file manager window appears 3 To copy cut and paste...

Страница 40: ...roup 9 in the Location drop down menu 6 Press the Save soft key to save setup in the favorite group you chose 7 Optional Press the numeric key 5 to check the setup file is saved in the favorite group Figure 4 Save to Favorite window Managing a setup file You can manage a setup file you have saved in the favorite group using the Favorite Item menu Procedure 1 Press the numeric key 5 to call the fav...

Страница 41: ... key to rename the selected file 9 Press the Apply soft key to load the saved file Table 8 Shortcut icon Shortcut icon Mode Spectrum Analyzer Interference Analyzer Signal Analyzer Cable and Antenna Analyzer RFoFiber Channel Scanner Power Meter Fiber Inspection EMF Analyzer Figure 5 Favorite window Managing a favorite group file You can manage a favorite group file using the Favorite Group menu ...

Страница 42: ... synched with any change on Favorite DB Configuring system Setting frequency reference You can improve measurement accuracy by setting frequency reference Procedure 9 Press the SYSTEM hot key 10 Press the Freq Reference soft key 11 Select the frequency reference option Internal External 10 MHz External 13 MHz External 15 MHz or GPS Setting frequency reference for 28 GHz downconverter You can impro...

Страница 43: ...YSTEM hot key 2 Select System Configuration Language 3 Select the language option from the choices available Setting power on Procedure 1 Press the SYSTEM hot key 2 Press the Power On soft key 3 Select the power on option from the following choices Last Boots up with the last state of the instrument before power off or shut down Preset Boots up with the default settings preset in the factory User ...

Страница 44: ... brightness You can adjust display brightness from one to ten as needed The larger number you set the brighter the display becomes Procedure 1 Press the SYSTEM hot key 2 Select System Configuration LCD Brightness 3 Enter a value by using the numeric keys You can also use the rotary knob 4 Press the Enter soft key Adjusting volume You can turn the sound on or off or adjust the volume from one to te...

Страница 45: ...t any severe damage to your instrument caused by a power off in the middle of the upgrade which may require a repair in the factory 2 Plug in the USB memory drive to the USB Host port of your instrument 3 Press the SYSTEM hot key 4 Select More 1 2 Upgrade USB The file manager window appears 5 Highlight the firmware file fw saved in the root directory of your USB drive 6 Press the Select soft key T...

Страница 46: ...sions in the System settings Refer to the firmware release note to find correct DSP version and compatible application software versions Managing licenses The License Manager lets you view installed options install additional ones and load evaluation licenses Checking installed or installable options Procedure 1 Press the SYSTEM hot key 2 Select More 1 2 License Manager The License Manager menu ba...

Страница 47: ...ield for StrataSync The server address at the time of this document production is stratasync viavisolutions com which may change NOTE VIAVI provides you with the information required to access StrataSync at your purchase of StrataSync including the Server Address Account ID and Port number See JD700B Series Common Options on page 803 for more information on available options 4 Enter account number...

Страница 48: ...via StrataSync server at stratasync viavisolutions com For more details on revoking and deploying a floating license refer to the following StrataSync Help http blog stratasync jdsu com resource license management Figure 6 StrataSync setting window Figure 7 StrataSync report window Viewing OSS license Procedure 1 Press the SYSTEM hot key 2 Select More 1 2 License Manager ...

Страница 49: ...ress the SYSTEM hot key 2 Select More 1 2 Svc Diagnostic Self Test The on screen instruction appears 3 Connect a test cable between the Reflection RF Out port for Cable and Antenna Analyzer and the RF In port for Spectrum Analyzer 4 Press the Start soft key The test result window appears 5 Optional Press the Save Screen soft key to save the self test results Performing factory reset The Factory Re...

Страница 50: ...tion menus Procedure 1 Press the SYSTEM hot key 2 Select More 1 2 Administration The password box appears 3 Enter password by using the numeric keys Default password is 0000 To change the password see Changing password on page 49 4 Press the Apply soft key Changing password Procedure 1 Press the SYSTEM hot key 2 Select More 1 2 Administration and then enter your password 3 Press the Change Passwor...

Страница 51: ...repeat step c Press the Third Octal soft key and repeat step c Press the Fourth Octal soft key and repeat step c 5 Press the Execute soft key and select Start to start testing Test result is displayed on the screen as the test is progressing 6 Press the Execute soft key and select Stop to stop testing 7 Optional Press the Save soft key to save the test result as a txt file type Activating StrataSy...

Страница 52: ...uetooth tethering to enable sharing your mobile device s Internet connection with your instrument On iOS mobile devices a Go to Settings Bluetooth b Turn on Bluetooth c Go to Settings Personal Hotspot d Turn on Personal Hotspot to make your mobile device discoverable by your instrument and enable sharing your mobile device s Internet connection with your instrument 3 On your JD780B or JD740B serie...

Страница 53: ...steps Tap the Detail Settings button The input dialog box appears Enter port number in the Port field Enter proxy server address in the Proxy Server address if necessary Contact your system administrator for your proxy server information Tap the Apply button to save and exit 7 Tap the Start Sync button and then do one from the following steps When successfully synchronized the text Reboot the inst...

Страница 54: ...mediate frequency IF output to 3 6 GHz This functionality is only enabled when your firmware version is 3 080xxx and above Make sure the unit should be connected to CellAdivisor before startging measurements Refer to 28 GHz Downconverter Quick Start Guide for more details Establishing a connection to 28 GHz downconverter Procedure 1 Press the SYSTEM hot key 2 Select More 1 2 Utility 28G Downconver...

Страница 55: ...current SNMP only supports alarms occurred in EMF mode The SNMP trap alarm message is sent when it reaches the user defined MSL and ICNIRP limit Procedure 1 Press the SYSTEM hot key 2 Select More 1 2 Utility SNMP Trap 3 Once the screen appears enter the SNMP information using the on screen keyboard 4 Select the trap format among the 3 options Disable SNMPv1 or SNMPv2c 5 Tap the Apply button to app...

Страница 56: ...rts both IPv4 and IPv6 protocols Setting for IPv4 protocol Procedure 1 Press the SYSTEM hot key 2 Select System Configuration Ethernet Config IPv4 The Ethernet Configuration box appears 3 Do one of the following To enable automatic IP addressing toggle the Mode soft key to DHCP To manually assign fixed IP addresses complete the following steps Toggle the Mode soft key to Static Press the IP Addres...

Страница 57: ...plying Network Info appears Setting for JDViewer and JDRemote The App SW is set by default to make it easy to connect your instrument to JDViewer JDRemote JDMapCreator and other applications After using other remote interfaces such as SCPI LMF and USBTMC it is recommended that you set the LAN and USB settings back to App SW Procedure 1 Press the SYSTEM hot key 2 Press the System Configuration soft...

Страница 58: ...Viewer or to transfer files to a Bluetooth storage device See Appendix G Bluetooth connection on page 787 for more information Enabling Wi Fi connection Wi Fi Connectivity is an optional feature that you can activate by installing a purchased license on your JD700B series After plugging a USB Wi Fi LAN card using Realtek NICs into the instrument you can join a wireless network from the instrument ...

Страница 59: ... enable automatic IP addressing select DHCP for IPv4 or Auto for IPv6 It is recommended that you select DHCP unless otherwise you know static IP addresses To manually assign fixed IP addresses select Static and then enter addresses as required for IPv4 or IPv6 If you do not have required information contact your network administrator To disable the IPv6 protocol select Off 7 Press the Connect soft...

Страница 60: ... the Mode soft key and select DHCP or Auto for automatic IP addressing Press the Apply soft key The Ethernet Configuration box is updated with assigned IP address es For IPv6 Auto you will see Link Local Stateless and Stateful instead of IP Address Record the IP address es NOTE If your network does not support the automatic IP addressing contact your network administrator to get a fixed IP address...

Страница 61: ...r Your instrument s live screen appears on the Web browser as shown like Figure 12 or Figure 13 NOTE The IPv6 protocol is supported on the operation system Windows Vista and later Figure 12 Example of Web remote on iPhone Figure 13 Example of Web remote on Chrome Managing help manual The JD700B series contains the JD700B series help manual by default The name of default help manual is System_Help ...

Страница 62: ...xceeds the remained storage space the text Not enough space left appears Viewing help manual You can select a help manual to view on your instrument Procedure 1 Press the Help hot key 2 Select Help Manager Select Help The list of help files appears on the select help window 3 Select a folder or a help file you want to view and then tap the Select button The select help window is dismissed 4 Press ...

Страница 63: ...nalyzing Measurement Results This chapter provides instructions on how to use JD700B series capabilities for measurement analysis Topics discussed in this chapter are as follows Using marker 63 Using peak search 64 ...

Страница 64: ... the Normal marker and the marker s X and Y values displays the difference compared with the Delta marker Delta Pair This Delta Pair marker type is associated with a Normal marker A Normal marker must be set before a Delta Pair marker is set When the Delta Pair marker is set the position set by the Delta Pair marker becomes the reference position of the Normal marker and the marker s X and Y value...

Страница 65: ...rker to the highest peak of the trace Next Peak Moves the active marker to the second highest peak of the trace Next Peak Right Moves the active marker to the highest peak to the right of its current position Next Peak Left Moves the active marker to the highest peak to the left of its current position Min Search Moves the active marker to the lowest peak of the trace Always Peak When the Always P...

Страница 66: ...s instructions for using the Spectrum Analyzer function Topics discussed in this chapter are as follows Introduction 66 Display overview 66 Connecting a cable 67 Selecting measurement mode 68 Conducting spectrum measurements 76 Conducting RF measurements 80 ...

Страница 67: ...d in frequency bands assigned very closely to each other it is critical to ensure that each communication service is carried out within their assigned frequency band minimizing interference with adjacent frequency bands The Adjacent Channel Power Ratio ACPR characteristic of a power amplifier or other RF components is an important factor in evaluating the system performance The JD700B series is th...

Страница 68: ...ion to be tested direct or indirect Procedure To make a direct connection 1 Connect the Spectrum Analyzer RF In port of the JD700B series and the PA output port of BTS as shown in Figure 16 To make an indirect connection 1 Connect the Spectrum Analyzer RF In port of the JD700B series and the monitor test port of BTS as shown in Figure 17 Figure 16 Direct connection JD785B JD786B JD745B JD746B JD78...

Страница 69: ... MODE hard key 2 Press the Spectrum Analyzer soft key The Measure Off mode is selected by default 3 Press the MEASURE hot key and then select the measurement mode from the following choices Channel Power Occupied BW Spectrum Emission Mask Adjacent Channel Power Multi ACP Spurious Emissions AM FM Audio Demod Field Strength Route Map Dual Spectrum PIM Detection Single Carrier and Multiple Carriers n...

Страница 70: ...the standard channel complete the following steps Press the Channel Std soft key The standard channel window appears See Appendix C Band frequency channel standard on page 780 for more information Highlight the band to be measured by using the rotary knob the arrow keys or the Page Up Page Down soft keys Press the Select soft key or the rotary knob to confirm the selection 4 Toggle the Link soft k...

Страница 71: ...y and then do one of the following To set the span manually select Span enter a value and then select the unit To set the span automatically select Full Span Zero Span or Last Span as needed NOTE The Zero Span option is available only in the Spectrum mode If you have selected Zero Span select TRIGGER Free Run External GPS Video or Display Position Optional To define the amount of frequency increme...

Страница 72: ...E It is recommended that you set the Attenuation to Auto in most situations so that the level of the input attenuator can be set automatically according to your input signal level To set the input attenuation manually up to 55 dB for JD780B series or 50 dB for JD740B series to optimize S N complete the following steps Select Attenuation Internal Manual Press the Attenuation Value Internal soft key...

Страница 73: ...ded External offset You can turn the External Offset on and manually set the external offset value An offset consists of a cable loss and a user offset and the measurement result shows the value reflecting both offset values When the external offset value is set at 40 dB in the Spectrum mode the measurement result compensates 40 dB at both the Spectrum Analyzer and Signal Analyzer modes Procedure ...

Страница 74: ... RBW or VBW value on the screen changes accordingly based on the span To manually set the RBW or VBW to your selected VBW RBW ratio 1 Press the BW AVG hard key 2 Press the RBW soft key 3 Enter a value between 1 Hz to 3 MHz in 1 3 sequence by using the numeric keys 4 Select the unit MHz kHz or Hz The RBW setting automatically changes to Manual 5 Press the VBW soft key and then enter a value by usin...

Страница 75: ...weep time mode automatically changes to Manual NOTE This setting option is not available in the Spurious Emissions mode Sweep mode The default settings of the sweep mode are Continue and Normal to sweep continuously at a normal speed for most on going measurements If you want to hold the measurement or get a single sweep you can change the sweep mode Procedure To select the single sweep mode 1 Pre...

Страница 76: ...set the period complete the following steps Toggle the Period soft key to Manual Press the Period soft key to enter the amount of time Enter a value by using the numeric keys Select the unit Sec mSec or µSec 5 Press the TRIGGER hot key and then complete one of the followings Select External for an external trigger source Select Video or Display Position for the internal trigger source 6 Press the ...

Страница 77: ...f the CW signal to be injected complete following steps Press the Power Level soft key Enter a value within the output range for the frequency you have set JD740B series 80 dBm to 30 dBm 0 dBm JD780B series 60 dBm to 10 dBm Press the Enter soft key 5 To start to inject the set signal toggle the RF Source soft key to On 6 To stop injecting the signal toggle the RF Source soft key to Off Conducting ...

Страница 78: ...Chapter 4 Using Spectrum Analyzer JD700B Series User s Guide 77 Figure 19 Spectrum measurement with spectrum analyzer on 28 GHz downconverter Figure 20 Gated sweep measurement with spectrum analyzer ...

Страница 79: ...um response only unlimited or for a certain amount of time Max Hold M Display the input signal s minimum response only unlimited or for a certain amount of time Min Hold m Capture the selected trace and compare traces Capture C Load a saved trace More 1 3 Load L Hide the displayed trace Trace View Off F Remove all the traces and initialize the trace settings More 1 3 Trace Clear All NOTE For the M...

Страница 80: ...t key Enter a value using the numeric keys You can also turn the rotary knob to change the value 6 Optional Select More 1 3 Trace Info and then select the trace number to view the trace s setting information stored at the time of the measurement or None to hide the information 7 Optional If you have the two traces T1 and T2 you can perform trace math To view the power difference between the traces...

Страница 81: ...key and then turn the rotary knob to select the segment to edit Select the menu option from the following choices To hide the line for the selected segment toggle the Line soft key to Off To add a new point press the Add Point soft key To delete the selected point press the Delete Point soft key To change the position press the Frequency or Amplitude soft key and then turn the rotary knob to chang...

Страница 82: ...age 68 2 Press the MEASURE SETUP hot key 3 Set the channel power measurement bandwidth to be measured Press the Integrated BW soft key Enter a bandwidth by using the numeric keys You can also use the rotary knob Select the unit GHz MHz kHz or Hz 4 Set the frequency range over which the instrument will sweep Press the Span soft key Enter a span frequency value by using the numeric keys You can also...

Страница 83: ...lyzer Channel power measurement result shows channel power and spectrum density in a user specified channel bandwidth The peak to average ratio PAR is shown at the bottom of the screen as well The shaded area on the display indicates the channel bandwidth Figure 24 Channel power measurement with spectrum analyzer on 28 GHz downconverter ...

Страница 84: ...le and load the file on to the instrument Procedure 1 Configure test parameters as described in the Configuring test parameters on page 68 2 Press the MEASURE SETUP hot key 3 Set the percentage of power within the bandwidth to be measured Press the Occupied BW Power soft key Enter a value by using the numeric keys You can also use the rotary knob Press the Enter soft key 4 Set the frequency range ...

Страница 85: ...to SAVE LOAD Save and then select Limit to save the limit settings See Using save on page 35 for more information Measurement example The Occupied Bandwidth measurement shows both of power across the band and power bandwidth in a user specified percentage to determine the amount of spectrum used by a modulated signal Occupied bandwidth is typically calculated as the bandwidth containing 99 of the ...

Страница 86: ... Press the Average soft key Enter a value between 1 and 100 and then press the Enter soft key 6 To configure an offset up to five complete the following steps Press the Offset Limit soft key The Offset Limit menu bar appears Press the Offset soft key and then select the number for the active offset to configure Toggle the Offset soft key and select On to display or Off to hide the active offset Pr...

Страница 87: ...s soft key between On and Off to enable or disable the Pass Fail indication 4 Optional Go to SAVE LOAD Save and then select Limit to save the limit settings See Using save on page 35 for more information Measurement example Figure 28 Spectrum emission mask measurement with spectrum analyzer Figure 29 Spectrum emission mask measurement with spectrum analyzer on 28 GHz downconverter ...

Страница 88: ...e averaged Press the Average soft key Enter a value between 1 and 100 and then press the Enter soft key 6 To configure an offset up to five complete the following steps Press the Offset Limit soft key The Offset Limit menu bar appears Press the Offset soft key and then select the number for the active offset to configure Toggle the Offset soft key and select On to display or Off to hide the active...

Страница 89: ...en select Limit to save the limit settings See Using save on page 35 for more information Measurement example Figure 30 Adjacent channel power measurement with spectrum analyzer Figure 31 Adjacent channel power measurement with spectrum analyzer on 28 GHz downconverter Multi ACP The Multi ACP measurement is used to do multi channel ACP testing It helps you to measure ACP in multi channel transmitt...

Страница 90: ...ys Press the Enter soft key or ENTER hard key to complete the entry The instrument automatically displays the corresponding center frequency value for the selected channel number Press the Highest Channel soft key Enter a value by using the numeric keys Press the Enter soft key or ENTER hard key to complete the entry The instrument automatically displays the corresponding center frequency value fo...

Страница 91: ...key Press the Upper soft key to set the threshold for the power difference between the main channel bandwidth and the selected offset bandwidth on the right Enter a value by using the numeric keys You can also use the rotary knob Select the dBc soft key Setting limit Procedure 1 Press the LIMIT hot key 2 Press the Multi ACP soft key 3 Toggle the Test Limits soft key between On and Off to enable or...

Страница 92: ...ss the MEASURE SETUP hot key 2 To set up the range table and parameters press the Range Table soft key and then complete the following steps Press the Range soft key and then select the range number between 1 and 20 to add as a new or change the existing settings Do the following as desired Select Start Frequency and then specify the start frequency for the selected range Select Stop Frequency and...

Страница 93: ...he highlighted bar in the result table to other range complete the following steps Press the Range soft key in the Measure Setup menu bar Enter a value between 1 and 20 Press the Enter soft key Setting limit Procedure 1 Press the LIMIT hot key 2 Press the Spurious Emissions soft key 3 Toggle the Test Limits soft key between On and Off to enable or disable the Pass Fail indication 4 Optional Go to ...

Страница 94: ...io Demod soft key between On and Off to turn the AM FM audio demodulation on and off 3 Press the Demod at soft key and then select the marker number for the frequency to be demodulated NOTE You must set the marker s first by using the MARKER hard key as the AM FM demodulator uses the marker position to demodulate See Using marker on page 63 for more information 4 Press the Demod Mode soft key and ...

Страница 95: ...r limit line up to 50 segments Press the of Line soft key Enter a value between 1 and 50 by using the numeric keys Press the Enter soft key 5 Press the Autoset soft key to let the instrument set the limit for each segment and display the line 6 Optional To move the limit line complete the following steps Select Limit Up Down or Limit Left Right Turn the rotary knob to move the line as desired You ...

Страница 96: ...asures the field strength over the frequency range of a connected antenna which is known with its specific bandwidth and gain characteristics A standard or user defined antenna can be selected from the antenna list in the JD700B series Setting measure setup Procedure 1 Connect an antenna to be used with your instrument 2 Configure test parameters as described in the Configuring test parameters on ...

Страница 97: ... is used as a visual reference only Procedure To view the display line 1 Press the LIMIT hot key 2 Press the Display Line soft key 3 Enter a value and then press the dBm unit soft key 4 Toggle the Display Line On Off soft key and select On The straight line appears on the screen To dismiss the display line 1 Press the LIMIT hot key 2 Toggle the Display Line On Off soft key and select Off You can u...

Страница 98: ...a new point press the Add Point soft key To delete the selected point press the Delete Point soft key To change the position press the Frequency or Amplitude soft key and then turn the rotary knob to change the value as desired 8 Optional Go to SAVE LOAD Save and then select Limit to save the limit settings See Using save on page 35 for more information Measurement example Figure 38 Field strength...

Страница 99: ...views as a sizable map file so that you can zoom in and out after loading it Press SAVE LOAD hot key and then select Load Load Map See Using load on page 37 for more information 4 Press the MEASURE SETUP hot key 5 Press the Plot Point soft key and then select the plot point option from the following choices To collect data plot points automatically as you move around in a vehicle or outside select...

Страница 100: ...otting 11 Press the SAVE LOAD hot key to save the result See Using save on page 35 for more information NOTE The instrument does not automatically save the collected data It is recommended that you save the result Otherwise you will lose all the collected data Setting limit You can set the thresholds for the four different color indicators Procedure 1 Press the LIMIT hot key 2 Press the Excellent ...

Страница 101: ...it in a specific area of interest Press the center of the rotary knob to zoom into the selected area You can also press the Zoom to soft key again to zoom into the selected area To zoom into the center or zoom out from the center complete the following steps Toggle the Zoom to soft key and select Center Press the Zoom In and Zoom Out soft keys as you need to zoom in and zoom out Move the zoomed in...

Страница 102: ...t it The size of the raster map must be 1024 x 1024 or smaller 6 Plug in the USB memory drive to your instrument 7 Press the TRACE DISPLAY hard key 8 Press the Load Raster Map soft key The file explorer window appears 9 Navigate to the raster file tab you want to open and then press the Load soft key The raster image appears on top of your base map as shown in Figure 41 NOTE If the area of the loa...

Страница 103: ...easurement with spectrum analyzer PIM detection single and multiple carriers The Passive Intermodulation PIM Detection allows you to detect Uplink PIM across the full spectrum for any technology When PIM is detected the normal repair mode is to replace the offending cable and what you need to do is replacing the whole cable irrespective of the location of the fault Note that this functionality is ...

Страница 104: ...numeric keys You can also use the rotary knob Select the unit GHz MHz kHz or Hz To set the channel number and span complete the following steps Toggle the Unit soft key and select Channel Press the Channel Std soft key and select a desired band Press the Channel Number soft key Enter a value by using the numeric keys and then press the Enter soft key The instrument automatically displays the corre...

Страница 105: ...Chapter 4 Using Spectrum Analyzer 104 JD700B Series User s Guide Figure 44 PIM detection for multiple carriers ...

Страница 106: ...matically collect the harmonic outputs up to the tenth harmonics as shown in Figure 45 from the spectrum analyzer and calculate the corresponding THD value and the distortion attenuation dB Procedure 1 Press the FREQ DIST hard key 2 Press the Fundamental Frequency soft key 3 Enter a value by using the numeric keys You can also use the rotary knob or the arrow keys 4 Select the unit GHz MHz kHz or ...

Страница 107: ...s 2 Select the unit of the display scale dBm dBV dBmV dBμV V or W The scale unit on the screen changes accordingly Pre amplifier You can turn the internal pre amplifier on to correct and compensate for the gain of the preamp so that amplitude readings show the value at the input connector Procedure 1 Press the AMP SCALE hard key 2 Toggle the Preamp soft key and select On or Off as needed NOTE You ...

Страница 108: ...t represents the value of one division on the horizontal scale The default setting is 10 dB per division and the maximum value can be set up to 20 dB Procedure 1 Press the AMP SCALE hard key 2 Select More 1 2 Scale Div Enter a value between 1 and 20 by using the numeric keys You can also use the rotary knob or the arrow keys 3 Press the dB soft key or the ENTER hard key ...

Страница 109: ...function option 011 Topics discussed in this chapter are as follows Introduction 109 Display overview 109 Connecting a cable 110 Selecting measurement mode 112 Configuring test parameters 112 Conducting spectrum measurements 119 Conducting interference measurements 122 Setting limit for interference analyzer 139 ...

Страница 110: ...hodologies to identify and determine interference signals Spectrogram and Received Signal Strength Indicator RSSI Locating the source of interference signal can be done with geographical information received from the built in GPS receiver The JD700B series is extremely effective for locating and identifying periodic or intermittent RF interference Interference signals derive from several kinds of ...

Страница 111: ...een Connecting a cable Using an Omni or Yagi antenna Procedure 1 Connect an Omni directional RF antenna to the Spectrum Analyzer RF In port of the JD700B series 2 Connect a GPS antenna to the GPS port of the JD700B series Figure 47 Interference measurement connection JD785B JD786B JD745B JD746B JD788B JD748B ...

Страница 112: ...is a device that has a built in GPS antenna and LNA Procedure 1 Mount a broadband antenna to your AntennaAdvisor Handle according to the quick start guide of the AntennaAdvisor Handle 2 Connect the RF Type N jack of the handle to the RF In port of the instrument 3 Connect the GPS SMA jack of the handle to the GPS port of the instrument The GPS status indicator appears on the instrument screen If G...

Страница 113: ...otary knob or the arrow keys 5 Select the unit GHz MHz kHz or Hz 6 Press the Span soft key and then do one of the following To set the span manually select Span enter a value and then select the unit To set the span automatically select Full Span Zero Span or Last Span as needed NOTE The Zero Span option is available only in the Spectrum mode If you have selected Zero Span select TRIGGER Free Run ...

Страница 114: ...ng the numeric keys 3 Press the unit GHz MHz kHz or Hz Optional To define the amount of channel increment for the rotary knob 1 Press the Channel Step soft key if the Channel is selected 2 Enter a value by using the numeric keys 3 Press the Enter soft key Setting frequency for 28 GHz downconverter Once the CellAdvisor is connect to 28 GHz downconverter the center frequency is automatically set to ...

Страница 115: ...ing steps Press the Reference Level soft key Enter a value by using the numeric keys or the rotary knob with 10 dB increments Press the unit soft key or the ENTER hard key This unit key name changes according to the setting in the Units menu 3 To set the attenuation option select one from the following choices To set the input attenuator s level automatically select Attenuation Internal Auto To se...

Страница 116: ...fier You can turn the internal pre amplifier on to correct and compensate for the gain of the preamp so that amplitude readings show the value at the input connector Procedure 1 Press the AMP SCALE hard key 2 Toggle the Preamp soft key and select On or Off as needed NOTE You can turn the Preamp on when the input attenuation range is from 0 dB to 10 dB If the attenuation value is manually set to gr...

Страница 117: ... setting for RBW and to the current RBW and VBW RBW settings for VBW Procedure To automatically set the RBW and VBW to your selected VBW RBW ratio 1 Press the BW AVG hard key 2 Press the VBW RBW soft key to set the proportional VBW based on the designated RBW Table 9 shows the ratio example for 30 kHz RBW 3 Select the ratio 1 0 3 0 1 0 03 0 01 or 0 003 4 Toggle the RBW soft key and select Auto 5 T...

Страница 118: ...eep time You can set the sweep time automatically or manually Manual setting allows you to set the sweep time beyond an automatic setting Procedure 1 Press the SWEEP hot key 2 Select the sweep time option from the following choices To automatically set toggle the Sweep Time soft key and select Auto To manually set complete the following steps Press the Sweep Time soft key Enter a value by using th...

Страница 119: ...ng one of the following To select the preset period complete the following steps Toggle the Period soft key and select StdSignal Press the StdSignal soft key and then select the period from the choices GSM 4 615 ms WCDMA 10 ms LTE 10 ms EV DO 5 ms TD SCDMA 5 ms and WiMAX 10 ms To manually set the period complete the following steps Toggle the Period soft key and select Manual Press the Period soft...

Страница 120: ...ff F Remove all the traces and initialize the trace settings More 1 2 Trace Clear All NOTE For the Max Hold and Min Hold your instrument compares newly acquired data with the active trace and displays larger maximum values or smaller minimum values on the screen You can set it to Unlimited to hold and view maximum or minimum data or specify a certain amount of time up to 60 seconds by using numeri...

Страница 121: ...elect the sound mode for alam toggle the Sound Mode soft key and select the option from the following choices Select the Mode 1 to create an alarm with a consistent tone frequency regardless of the interference signal Select the Mode 2 to apply the tone step from 1 to 20 Select the Mode 3 to apply the tone step from 20 to 1 8 Optional You can save logging data automatically so that you can load th...

Страница 122: ...set the speaker volume 8 Toggle the Auto Gain soft key between On and Off to enable or disable the automatic gain feature to adjust the interval gain of the demodulator 9 Optional Go to SAVE LOAD Save and then select the save option from the choices available for your measurement mode See Using save on page 35 for more information ...

Страница 123: ...trogram The Spectrogram is particularly useful when attempting to identify periodic or intermittent signals as it captures spectrum activity over time and uses various colors to differentiate spectrum power levels When the directional antenna is used to receive the signal you will see a change in the amplitude of the tracked signal as you change the direction of the antenna and see a change in the...

Страница 124: ...gram shows a vertical line on the chart when the marker is enabled on the screen Figure 49 Interference measurement in spectrogram The horizontal line or X axis of the spectrogram is frequency The vertical line or Y axis is time The color identification Spectrogram indicates power level of the tracked signal As the signal strength increases the color on the spectrogram changes accordingly Figure 5...

Страница 125: ...n spectrogram with gated sweep on on 28 GHz downconverter NOTE You can use the LIMIT hot key to analyze your measurements with the display line multi segment line and channel limit See Setting limit for interference analyzer on page 134 for more information Dual spectrogram The Dual Spectrogram mode is useful to compare two spectrograms displayed simultaneously on the screen ...

Страница 126: ...the Sec soft key 5 To set the time cursor on a specific trace position complete the following steps Toggle the Time Cursor soft key and select On Press the Position soft key Turn the rotary knob to move the time cursor You can also enter a value and then press the Enter soft key NOTE Enabling the time cursor puts the measurement on hold and you can make post processing analysis for each measuremen...

Страница 127: ...arm soft key Press the Alarm at soft key and select the marker number M1 to M6 Press the Limit Line soft key to set a threshold for the alarm Enter a value by using the numeric keys You can also use the rotary knob Press the dBm soft key Toggle the Alarm soft key between On and Off to turn the alarm feature on or off Optional Press the Volume soft key and adjust the volume 4 To set up the AM FM au...

Страница 128: ...press the Reset Restart soft key 6 Optional Go to SAVE LOAD Save and then select the save option from the choices available for your measurement mode See Using save on page 35 for more information Measurement example Figure 55 Interference measurement in RSSI Figure 56 Interference measurement in RSSI on 28 GHz downconverter NOTE You can use the LIMIT hot key to analyze your measurements with the ...

Страница 129: ... send a map file with a single layer to the instrument directly by using the Send to EQP menu in JDMapCreator NOTE The JDMapCreator converts and resizes any scanned floor plan or layout to fit onto your instrument s display JDMapCreator 1 2 0 or later can save a multiple layered map providing x1 x2 and x4 views as a sizable map file so that you can zoom in and out after loading it 2 Press SAVE LOA...

Страница 130: ...nd the strongest RSSI value RSSI polarization elevation and azimuth readings are continuously updated on the screen while pressing the physical button Release the TRIGGER button to stop scanning Using a compass complete the following steps Press the Azimuth soft key Pan your Yagi antenna to find a signal with highest RSSI value and then measure an azimuth of the interfering signal Enter the measur...

Страница 131: ...d circle without the map image Controlling a map If you have loaded a sizable map that was created in JDMapCreator 1 2 0 or later you can use the Map Control feature that enables you to zoom into the green shaded area on the map and view the location of the interference source in detail Procedure 1 Press the TRACE DISPLAY hard key 2 Press the Map Control soft key This key is active only when you h...

Страница 132: ... a set of raster data files generated through the ariesoGEO application you can load and overlay the data on your base map to help you assume suspicious points of interference easily and pinpoint the source of the interference quickly Procedure 1 Copy a set of raster data files into your USB memory drive including the following ASCII tab asc and clr files BIL tab hdr bil and clr files NOTE The tab...

Страница 133: ...open and then press the Load soft key The raster image appears on top of your base map as shown in Figure 59 NOTE If the area of the loaded raster data is not within the boundary of the base map you will not see the raster image on the screen 6 To select the display option complete the following steps Press the Display Options soft key Select the option you desire from the choices On Off and Blink...

Страница 134: ...d soft key The Measure Setup screen menus appear 4 Toggle the Replay Direction soft key between FWD and REV to change play direction to forward or reverse 5 Press the Replay Speed soft key and then select the speed option x1 x2 x3 and x4 6 Press the Play soft key to start playing 7 Press the Pause soft key to pause or stop playing data 8 To move to a particular failure position directly and play f...

Страница 135: ...escribed in the Configuring test parameters on page 112 you need to load a map of the area where you want to go out and do interference hunting activities Procedure 1 Plug in your USB drive that has a map file in mcf file type created in JDMapCreator If the JDMapCreator application on your computer is connected to the instrument via USB or LAN you can send a map file with a single layer to the ins...

Страница 136: ...tion of your connected the antenna handle set 2 To adjust the integration bandwidth based on the center frequency of the interfering signal that you have identified in the Spectrum view complete the following steps Press the Bandwidth soft key Enter a value by using the numeric keys You can also use the rotary knob Select the unit option from the choices GHz MHz kHz and Hz 3 Initialize the antenna...

Страница 137: ...dle to start a continuous measurement Pan the antenna handle horizontally through the angle of 360 degrees you desire A beep is sounded repeatedly to let you know that the measurement is continuing and measured values are plotted on the radar chart See Figure 61 for an example Release the TRIGGER button to stop the continuous measurement NOTE The maximum number you can plot on the radar chart is 5...

Страница 138: ... bold green line that indicates the possible direction of the interference source See Figure 63 for an example 2 To clear all the data plots on the radar chart press the Localization soft key again Measurement example Figure 61 RSSI data plotted on the radar chart Figure 62 RSSI data plotted on the radar chart on 28 GHz downconverter ...

Страница 139: ... the data on your background map to help you view suspicious points of interference easily and pinpoint the source of the interference quickly Procedure 1 Copy a set of raster data files into your USB memory drive including the following ASCII tab asc and clr files BIL tab hdr bil and clr files NOTE The tab file type is a geospatial vector data format used in many geographic information systems Th...

Страница 140: ...u to select as you desire They are a single line limit a multi segment line limit and a channel limit Setting a single limit line Procedure 1 Press the LIMIT hot key 2 Press the Display Line soft key for a reference line 3 Enter a value and then press the dBm unit soft key 4 Toggle the Display Line soft key between On and Off to display and dismiss the reference line The straight line appears acro...

Страница 141: ...he channel index table on the screen Press the Index soft key Enter an index number to be set between 1 and 10 by using the numeric keys and then press the Enter soft key Press the Start Frequency or Center Frequency soft key depending on your prior frequency setting Enter a value by using the numeric keys and then select the unit from the choices GHz MHz kHz and Hz You can also use the rotary kno...

Страница 142: ...042 Topics discussed in this chapter are as follows Introduction 142 Display overview 142 Connecting a cable 143 Selecting measurement mode 145 Configuring test parameters 145 Conducting spectrum measurements 149 Conducting RF measurements 150 Conducting power vs time measurements 156 Conducting constellation measurements 159 Performing auto measurements 161 Conducting GSM OTA measurements 163 ...

Страница 143: ...defined in the 3GPP TS 51 021 Base Station System BSS equipment specification Radio Aspects V8 9 0 2003 06 and 3GPP TS 45 005 Radio Transmission and Reception version 12 5 0 release 12 The Pass Fail indictor helps you to determine base station performance easily This instrument provides the following measurement tools for GSM GPRS EDGE system Spectrum Analysis RF Analysis Channel Power Occupied Ba...

Страница 144: ...ecting a cable Direct connection Procedure 1 Connect the Spectrum Analyzer RF In port of the JD700B series and the power amplifier output port of BTS Figure 66 Direct connection JD785B JD745B JD788B JD748B Indirect connection Procedure 1 Connect the Spectrum Analyzer RF In port of the JD700B series and the monitor test port of BTS ...

Страница 145: ...r Attenuator to prevent damage when you directly connect the signal to the instrument or connect the signal from the coupling port of a directional coupler Over the air OTA Procedure 1 Connect an Omni directional RF antenna to the Spectrum Analyzer RF In port of the JD700B series 2 Connect a GPS antenna to the GPS port of the JD700B series Figure 68 OTA connection JD785B JD745B JD788B JD748B CAUTI...

Страница 146: ...y Procedure To set the center frequency 1 Press the FREQ DIST hard key 2 Toggle the Unit soft key and select Freq 3 Press the Center Frequency soft key 4 Enter a value by using the numeric keys You can also use the rotary knob 5 Select the unit GHz MHz kHz or Hz 6 Optional To define the amount of frequency increment for the rotary knob complete the following steps Press the Frequency Step soft key...

Страница 147: ...n the Y axis manually complete the following steps Press the Reference Level soft key Enter a value by using the numeric keys or the rotary knob with 10 dB increments Press the unit soft key or the ENTER hard key This unit key name changes according to the setting in the Units menu 3 To set the attenuation option select one from the following choices To set the input attenuator s level automatical...

Страница 148: ...oft key and select On or Off as needed NOTE You can turn the Preamp on when the input attenuation range is from 0 dB to 10 dB If the attenuation value is manually set to greater than 10 dB the instrument will automatically turn off the pre amplifier to display low level signal properly on the chart External offset You can turn the External Offset on and manually set the external offset value An of...

Страница 149: ...ect Single You can also use the HOLD hot key The letter HOLD in red appears and the sweeping is paused 3 Optional Press the Sweep Once soft key to get a new measurement To return to the continuous sweep mode 1 Toggle the Sweep Mode soft key and select Continue You can also use the HOLD hot key The letter HOLD in red disappears and the sweeping resumes Setting trigger source You can set the trigger...

Страница 150: ...r desired time slot number from 0 to 7 3 Optional To set the delay complete the following steps Press the Miscellaneous soft key Press the Delay soft key to set the amount of delay in µs Enter a value by using the numeric keys You can also use the rotary knob Press the µs soft key NOTE The Delay setting is used only when there is a time offset in the signals to be measured Setting trace You can di...

Страница 151: ...T1 and T2 you can perform trace math To view the power difference between the traces press the T1 T2 T5 or T2 T1 T6 soft key The result is overlaid on the screen along with the second Y axis Conducting RF measurements Channel power The Channel Power measures in channel power for GSM GPRS and EDGE systems which use dynamic power control to ensure that each link is maintained with minimum power It g...

Страница 152: ...ation See Setting limit for RF tests on page 155 for more information Occupied bandwidth The Occupied Bandwidth measures the spectrum shape of the carrier It is defined as the bandwidth which includes 99 of the transmitted power among total transmitted power Setting measure setup After configuring test parameters as described in the Configuring test parameters on page 145 you can continue your mea...

Страница 153: ...imit and Pass Fail indication See Setting limit for RF tests on page 155 for more information Spectrum emission mask SEM The Spectrum Emission Mask SEM measurement is to identify and determine the power level of out of band spurious emission outside the necessary channel bandwidth and modulated signal It measures the power ratio between in band and adjacent channels The JD700B series indicates eit...

Страница 154: ...tion Output RF spectrum The Output RF Spectrum measures power of the output RF modulation spectrum of the carrier at different frequency offsets in different measurement bandwidths It is used to determine if the output spectrum due to modulation and wideband noise for all supported RF channels meets the requirements specified in 3GPP TS 45 005 and conforms to the specification Setting measure setu...

Страница 155: ...nwanted emissions immediately outside the channel bandwidth resulting from the modulation process and non linearity in the transmitter but excluding spurious emissions The Spurious Emissions measurement is to identify and determine the power level of out of band spurious emission within the necessary channel bandwidth and modulated signal measured at the RF port of the Base Station Setting measure...

Страница 156: ...e NOTE The Examine mode displays only the selected range while the Full mode lets the instrument automatically changes the selected range from one another 4 To set the number of measurements to be averaged complete the following steps Press the Average soft key Enter a value between 1 and 100 Press the Enter soft key 5 To move the highlighted bar in the result table to other range complete the fol...

Страница 157: ...SM burst This measurement provides masks for both of Base Transceiver Station BTS and Mobile Station MS The timing masks are referenced to the transition from the bit 13 to the bit 14 of the mid amble training sequence For GMSK measurements the 0 dB reference is determined by measuring the mean transmitted power during the useful part of the burst Power vs time slot Setting measure setup After con...

Страница 158: ...igh Limit soft key Enter a value for the upper limit and then press the dBm unit soft key 6 Set the lower threshold Press the Low Limit soft key Enter a value for the lower limit and then press the dBm unit soft key 7 Optional You can enable alarm sound that goes off if the measurement falls outside of the limit Toggle the Beep soft key between On and Off to enable or disable the beep sound 8 Opti...

Страница 159: ...ed on the selected mode 3 Optional To set the delay complete the following steps Press the Miscellaneous soft key Press the Delay soft key to set the amount of delay in µs Enter a value by using the numeric keys You can also use the rotary knob Press the µs soft key NOTE The Delay setting is used only when there is a time offset in the signals to be measured Setting limit for frame average power P...

Страница 160: ...s of modulation accuracy and can reveal certain fault mechanisms such as I Q amplitude imbalance or quadrature imbalance It displays constellation diagram by modulation types Setting measure setup After configuring test parameters as described in the Configuring test parameters on page 145 you can continue your measurement The measurement settings can be saved and recalled as a file Procedure 1 Pr...

Страница 161: ...ment 3 Select the test item s and set the limit s depending on your selected measurement mode To set the limit for Select Set Frequency error Frequency Error High Limit Low Limit Phase error rms Phase Error RMS High Limit Low Limit Phase error peak Phase Error Peak High Limit Low Limit Error vector magnitude rms EVM RMS High Limit Error vector magnitude peak EVM Peak High Limit I Q origin offset o...

Страница 162: ...signal measurements Performing auto measurements The Auto Measure function of the JD700B series allows a complete signal profiling covering RF characterization and modulation quality parameters of up to 10 different carriers particularly useful on an overlay architecture where base stations are transmitting in different frequencies The Auto Measure can be easily executed either by selecting a menu...

Страница 163: ...ent use current frequency single carrier and determine pass or fail based on the instrument s limit settings in Auto Measure Scenario Runs a test with a programmed scenario in JDViewer The Scenario menu becomes activated 3 To load a scenario press the Scenario soft key and then select a scenario file to load 4 Toggle the Test Time soft key and select the test time option Now Lets the instrument ru...

Страница 164: ... auto measurement 2 Toggle the Display Result soft key and select the display result option Full You can view detailed measurement readings with the pass fail indication Quick You can view only the Pass Fail results 3 To view the measurement results for a different carrier press the View Carrier soft key and then select the carrier number to view Conducting GSM OTA measurements This Over The Air O...

Страница 165: ...etting zoom position You can set the starting channel for the Zoom In Window Procedure 1 Press the TRACE DISPLAY hard key 2 Press the Zoom Position soft key 3 Enter a value by using the numeric keys You can also use the rotary knob 4 Press the Enter soft key Setting limit for OTA channel scanner Procedure 1 Press the LIMIT hot key 2 Press the Limit Line soft key to set a threshold for the limit li...

Страница 166: ...frequency increment in scanning frequencies complete the following steps Press the Frequency Step soft key Enter a value by suing the numeric keys You can also use the rotary knob Select the unit GHz MHz kHz or Hz 4 To set the number of frequencies to be displayed complete the following steps Press the of Frequencies soft key Enter a value by using the numeric keys You can also use the rotary knob...

Страница 167: ...rement with GSM OTA signal analyzer Multipath profile The Multipath Profile let you determine RF environmental conditions of testing area The multipath profile is the result of portions of the original broadcast signal arriving at the receiving antenna out of phase This can be caused by the signal being reflected off objects such as buildings or being refracted through the atmosphere differently f...

Страница 168: ...the Configuring test parameters on page 145 you can continue your measurement The measurement settings can be saved and recalled as a file Procedure 1 Press the MEASURE SETUP hot key 2 Press the Detect Mode soft key and then select the signal standard option Auto GSM or EDGE Auto is set by default The instrument applies a mask automatically based on the selected mode 3 Optional To set the delay co...

Страница 169: ...rst power Burst Power High Limit Low Limit ACLR ACLR On Off only Multi ACLR Multi ACLR On Off only Spurious emissions Spurious Emissions On Off only 3 Optional You can enable alarm sound that goes off if the measurement falls outside of the limit Toggle the Beep soft key between On and Off to enable or disable the beep sound 4 Optional Go to SAVE LOAD Save and then select Limit to save the limit s...

Страница 170: ...cs discussed in this chapter are as follows Introduction 170 Display overview 170 Connecting a cable 171 Selecting measurement mode 173 Configuring test parameters 173 Conducting spectrum measurements 178 Conducting RF measurements 179 Conducting modulation measurements 186 Performing auto measurements 198 Performing power statistics CCDF measurement 199 Conducting WCDMA HSPA OTA measurements 200 ...

Страница 171: ...asurement results allow you to analyze WCDMA and HSPA system performance You may alter the measurement parameters for specialized analysis Pass Fail testing with standard defined or user defined upper and lower limits and the Pass Fail indictor help you to determine base station performance easily This instrument provides the following measurement tools for WCDMA HSPA system Spectrum Analysis RF A...

Страница 172: ...nnecting a cable Direct connection Procedure 1 Connect the Spectrum Analyzer RF In port of the JD700B series and the power amplifier output port of BTS Figure 85 Direct connection JD785B JD745B JD788B JD748B Indirect connection Procedure 1 Connect the Spectrum Analyzer RF In port of the JD700B series and the monitor test port of BTS ...

Страница 173: ... Attenuator to prevent damage when you directly connect the signal to the instrument or connect the signal from the coupling port of a directional coupler Over the air OTA Procedure 1 Connect an Omni directional RF antenna to the Spectrum Analyzer RF In port of the JD700B series 2 Connect a GPS antenna to the GPS port of the JD700B series Figure 87 OTA connection JD785B JD745B JD788B JD748B CAUTIO...

Страница 174: ...s its channel number and updates the screen with it automatically Procedure To set the center frequency 1 Press the FREQ DIST hard key 2 Toggle the Unit soft key and select Freq 3 Press the Center Frequency soft key 4 Enter a value by using the numeric keys You can also use the rotary knob 5 Select the unit GHz MHz kHz or Hz 6 Optional To define the amount of frequency increment for the rotary kno...

Страница 175: ...ey 2 To set the maximum reference value on the Y axis manually complete the following steps Press the Reference Level soft key Enter a value by using the numeric keys or the rotary knob with 10 dB increments Press the unit soft key or the ENTER hard key This unit key name changes according to the setting in the Units menu NOTE In the measurements such as Code Domain Power Codogram and RCSI you may...

Страница 176: ... readings show the value at the input connector Procedure 1 Press the AMP SCALE hard key 2 Toggle the Preamp soft key and select On or Off as needed NOTE You can turn the Preamp on when the input attenuation range is from 0 dB to 10 dB If the attenuation value is manually set to greater than 10 dB the instrument will automatically turn off the pre amplifier to display low level signal properly on ...

Страница 177: ...p Mode soft key and select Single You can also use the HOLD hot key The letter HOLD in red appears and the sweeping is paused 3 Optional Press the Sweep Once soft key to get a new measurement To return to the continuous sweep mode 1 Toggle the Sweep Mode soft key and select Continue You can also use the HOLD hot key The letter HOLD in red disappears and the sweeping resumes Setting trigger source ...

Страница 178: ...xternal 13 MHz External 15 MHz and GPS NOTE When a GPS antenna is connected and locked GPS coordinates longitude and latitude are displayed on the screen and frequency reference is automatically set to GPS in the System Freq Reference Table 12 External reference indicators Type Indicator Description Internal green The green INT icon indicates that the instrument uses the built in internal time bas...

Страница 179: ...f the selected trace changes from square to round to indicate that the trace is the active one now 3 Do one of the following To Select Trace Legend Clear current data and display with new measurements Clear Write W Display the input signal s maximum response only unlimited or for a certain amount of time Max Hold M Display the input signal s minimum response only unlimited or for a certain amount ...

Страница 180: ... have the two traces T1 and T2 you can perform trace math To view the power difference between the traces press the T1 T2 T5 or T2 T1 T6 soft key The result is overlaid on the screen along with the second Y axis Conducting RF measurements Channel power The Channel Power measurement is a common test used in the wireless industry to measure the total transmitted power of a radio within a defined fre...

Страница 181: ...ining 99 of the total channel power In this measurement the total power of the displayed span is measured Then the power is measured inward from the right and left extremes until 0 5 of the power is accounted for each of the upper and lower part of the span and the calculated difference is the occupied bandwidth The spectrum shape of a WCDMA signal can give a useful qualitative insight into the tr...

Страница 182: ...ensities between the carrier and the specified offset frequency band It provides useful figures of merit for the spectral re growth and emissions produced by components and circuit blocks without the rigor of performing a full SEM measurement The SEM measures spurious signal levels in up to five pairs of offset or region frequencies and relates them to the carrier power Setting measure setup After...

Страница 183: ...esignated by the 3GPP WCDMA specifications as the Adjacent Channel Leakage power Ratio ACLR is the power contained in a specified frequency channel bandwidth relative to the total carrier power It may also be expressed as a ratio of power spectral densities between the carrier and the specified offset frequency band After configuring test parameters as described in the Configuring test parameters ...

Страница 184: ...soft key to set the starting center frequency Enter a value by using the numeric keys You can also use the rotary knob Select the unit GHz MHz kHz or Hz Press the Highest Frequency soft key to set the stopping center frequency Enter a value by using the numeric keys You can also use the rotary knob Select the unit GHz MHz kHz or Hz To set the channel number complete the following steps Toggle the ...

Страница 185: ...SETUP hot key 2 To set up the range table and parameters press the Range Table soft key and then complete the following steps Press the Range soft key and then select the range number between 1 and 20 to add as a new or change the existing settings Do the following as desired Select Start Frequency and then specify the start frequency for the selected range Select Stop Frequency and then specify t...

Страница 186: ...ters as described in the Configuring test parameters on page 173 your measurement result is displayed on the screen as like the following example Figure 95 Figure 95 Spurious emissions measurement with WCDMA HSPA signal analyzer NOTE You can use the LIMIT hot key to analyze your measurements with the user definable limit and Pass Fail indication See Setting limit for RF tests on page 185 for more ...

Страница 187: ...acy and can reveal certain fault mechanisms such as I Q amplitude imbalance or quadrature imbalance It displays constellation diagram by modulation types Setting measure setup After configuring test parameters as described in the Configuring test parameters on page 173 you can continue your measurement The measurement settings can be saved and recalled as a file Procedure 1 Press the MEASURE SETUP...

Страница 188: ...measure setup After configuring test parameters as described in the Configuring test parameters on page 173 you can continue your measurement The measurement settings can be saved and recalled as a file You can also use JDViewer PC application software to configure a measure setup save as a file and load the file on to the instrument Procedure 1 Press the MEASURE SETUP hot key 2 Optional To set th...

Страница 189: ...y between On and Off to enable or disable the PICH Press the Spread Factor soft key and then select the spread factor option 4 8 16 32 64 128 or 256 Press the Spread Code soft key to set the spread code Enter a value by using the numeric keys Press the Enter soft key 6 Optional To set the threshold complete the following steps Press the Threshold soft key Enter a value by using the numeric keys Pr...

Страница 190: ...Chapter 7 Using WCDMA HSPA Signal Analyzer JD700B Series User s Guide 189 2 Full screen with constellation 3 Zoomed screen Width 64 4 Zoomed screen with constellation Width 64 ...

Страница 191: ...l You can view the relative ratio of each control channel vs total power Delta You can view the relative ratio of each control channel vs CPICH channel Relative code domain power The Relative Code Domain Error RCDE measurement provides relative code domain error analysis that is particularly required by HSPA Setting measure setup After configuring test parameters as described in the Configuring te...

Страница 192: ...set the spread code Enter a value by using the numeric keys Press the Enter soft key 6 Optional To set the threshold complete the following steps Press the Threshold soft key Enter a value by using the numeric keys Press the Enter soft key 7 Optional Go to SAVE LOAD Save and then select the save option from the choices available for your measurement mode See Using save on page 35 for more informat...

Страница 193: ...r Setting measure setup After configuring test parameters as described in the Configuring test parameters on page 173 you can continue your measurement The measurement settings can be saved and recalled as a file You can also use JDViewer PC application software to configure a measure setup save as a file and load the file on to the instrument Procedure 1 Press the MEASURE SETUP hot key 2 Optional...

Страница 194: ...ble the time cursor Enter a value by using the numeric keys Press the Enter soft key NOTE When the time cursor is enabled the measurement is put on hold and information about the time cursor is displayed 9 To start a new measurement press the Reset Restart soft key 10 Optional Go to SAVE LOAD Save and then select the save option from the choices available for your measurement mode See Using save o...

Страница 195: ...amble soft key between Auto and Manual Enter a value by using the numeric keys to set manually Press the Enter soft key 3 Optional Press the Detect Mode soft key and then select the signal standard option WCDMA HSDPA or HSPA HSDPA is set by default 4 To set the S CCPCH information of the system to be tested complete the following steps Press the S CCPCH soft key Toggle the S CCPCH soft key between...

Страница 196: ...n page 35 for more information Measurement example Figure 100 RCSI measurement with WCDMA HSPA signal analyzer Setting display You can view your measurement results in a different view option Procedure 1 Press the TRACE DISPLAY hard key 2 Toggle the View soft key and select the display option Zoom You can view the result in detail with zoom in window The Position and Width menus become activated F...

Страница 197: ...t the signal standard option WCDMA HSDPA or HSPA HSDPA is set by default 4 To set the S CCPCH information of the system to be tested complete the following steps Press the S CCPCH soft key Toggle the S CCPCH soft key between On and Off to enable or disable the S CCPCH Press the Spread Factor soft key and then select the spread factor option 4 8 16 32 64 128 or 256 Press the Spread Code soft key to...

Страница 198: ...re 1 Press the LIMIT hot key 2 Press the Modulation Test Limits soft key to set the limits 3 Select the test item s and set the limit s depending on your selected measurement mode To set the limit for Select Set Frequency error Frequency Error High Limit Low Limit Error vector magnitude EVM High Limit Peak code domain error PCDE High Limit Carrier feed through Carrier Feed Through High Limit Corre...

Страница 199: ...rocedure 1 Press the LIMIT hot key 2 Press the RF Test Limits soft key and then enable test limits as desired 3 Press the Modulation Test Limits soft key and then enable test limits as desired 4 Optional You can enable alarm sound that goes off if the measurement falls outside of the limit Toggle the Beep soft key between On and Off to enable or disable the beep sound 5 Optional Go to SAVE LOAD Sa...

Страница 200: ...ay and then select the view option from the following choices Screen You can view each measurement screen as the test progresses Results You can view a measurement result table as the test progresses Settings You can view a measurement setting table as the test progresses Setting display After completion of the auto measurement the screen menu changes to Trace Display so that you can view the resu...

Страница 201: ...MA HSPA OTA measurements This Over The Air OTA measurement has channel scanner scramble scanner multipath profile code domain power and route map screens Scramble scanner displays six scrambling codes and powers to inform neighbor cells existence and its power The multipath profile graph helps you to determine testing area s RF environmental condition The code domain power shows not only modulatio...

Страница 202: ...lt To set the frequencies to be scanned 1 Press the FREQ DIST hard key 2 Toggle the Unit soft key and select Freq 3 Press the Index soft key and then enter an index number by turning the rotary knob or using the numeric keys 4 To set the center frequency for the selected index complete the following steps Press the Center Frequency soft key Enter a value by using the numeric keys You can also use ...

Страница 203: ...tion has a unique scrambling code assigned to the particular base station and it differentiates its signal from other base stations in the area Measurement example Figure 104 Scramble scanner measurement with WCDMA HSPA OTA signal analyzer Multipath profile The Multipath Profile enables you to determine RF environmental conditions of testing area It indicates the amount of power of the dominant pi...

Страница 204: ...evel and helps to identify problems throughout the transmitter design from the coding to the RF section System imperfections such as the non linearity of amplifiers will present themselves as an undesired distribution of power in the code domain Setting measure setup After configuring test parameters you can set the measure setup to continue your measurement The measurement settings can be saved a...

Страница 205: ... using the numeric keys Press the Enter soft key 7 To set the maximum amplifier power complete the following steps Press the Max Amplifier Power soft key Enter a value by using the numeric keys Press the dBm soft key 8 To set the CPICH power complete the following steps Press the More 1 2 soft key Press the CPICH soft key Enter a value by using the numeric keys Press the dBm soft key 9 To set the ...

Страница 206: ...iles on the ariesoGEO application and load them on your instrument Setting measure setup Procedure 1 If required connect a GPS receiver to your JD700B series for outdoor mapping Indoor mapping does not necessarily need a GPS antenna 2 Configure test parameters as described in the Configuring test parameters on page 173 3 To load your map file complete the following steps Plug in your USB drive tha...

Страница 207: ... then select the measurement option CPICH Power or Ec Io 7 Toggle the Plot soft key and select Start 8 Touch directly on the screen or press the ENTER hard key to collect data and plot points on the loaded map for the Position setting NOTE For the Position setting you can change the direction of the route with the arrow keys and the distance with the rotary knob 9 Toggle the Plot soft key and sele...

Страница 208: ...sizable map that was created in JDMapCreator 1 2 0 or later you can use the Map Control feature that enables you to zoom into the map and view a specific area of interest in detail Procedure 1 Press the TRACE DISPLAY hard key 2 Press the Map Control soft key This key is active only when you have loaded a sizable map 3 Do one of the following To zoom into an area of interest directly complete the f...

Страница 209: ...w keys Loading and displaying raster data If you have a set of raster data files generated through the ariesoGEO application you can load and overlay the data on your base map to help you check the signal quality and the strength of interferences while driving toward the area of interest Procedure 1 Copy a set of raster data files into your USB memory drive including the following ASCII tab asc an...

Страница 210: ...Chapter 7 Using WCDMA HSPA Signal Analyzer JD700B Series User s Guide 209 Figure 109 Raster image overlaid on the base map in WCDMA HSPA OTA signal analyzer ...

Страница 211: ...in this chapter are as follows Introduction 211 Display overview 212 Connecting a cable 212 Selecting measurement mode 214 Configuring test parameters 214 Conducting spectrum measurements 219 Conducting RF measurements 220 Conducting power vs time frame measurements 227 Conducting modulation measurements 228 Performing auto measurements 247 Performing power statistics CCDF measurements 254 Perform...

Страница 212: ...A Base Station BS Conformance Testing 3GPP TS 36 211 Evolved Universal Terrestrial Radio Access E UTRA Physical Channels and Modulation 3GPP TS 36 212 Evolved Universal Terrestrial Radio Access E UTRA Multiplexing and Channel Coding 3GPP TS 36 213 V8 2 0 Evolved Universal Terrestrial Radio Access E UTRA Physical Layer Procedures This instrument provides the following measurement tools for FDD LTE ...

Страница 213: ...Profile Control Channel Datagram Route Map RAN Performance Indicator Display overview Figure 110 provides descriptions for each segment of the measurement screen Figure 110 LTE FDD signal analyzer measurement screen Connecting a cable Direct connection Procedure 1 Connect the Spectrum Analyzer RF In port of the JD700B series and the Power amplifier output port of BTS ...

Страница 214: ...wer for the Spectrum Analyzer RF In port is 25 dBm 0 316 W for JD780B series and 20 dBm 0 1 W for JD740B series If the level of the input signal to be measured is greater than this use a High Power Attenuator to prevent damage when you directly connect the signal to the instrument or connect the signal from the coupling port of a directional coupler Over the air OTA Procedure 1 Connect an Omni dir...

Страница 215: ...llowing choices Spectrum RF Analysis Channel Power Occupied BW Spectrum Emission Mask ACLR Multi ACLR or Spurious Emissions Power vs Time Frame Modulation Analysis Constellation Data Channel Control Channel Subframe Frame Time Alignement Error or Data Allocation Map Auto Measure Conformance Test Maintenance Test Signal Perfomance or DAS Test Power Statistics CCDF More 1 2 Carrier Aggregation More ...

Страница 216: ...select Channel NOTE Selecting Channel sets the standard channel to Band Global automatically so that you can set the Channel Number without choosing a standard channel band from the list 3 Press the Channel Number soft key 4 Enter a value by using the numeric keys You can also use the rotary knob 5 Press the Enter soft key The instrument automatically displays the corresponding center frequency va...

Страница 217: ...e the following steps Select Attenuation Manual Press the Attenuation Value soft key to set the level Enter a value in fives by using the numeric keys Press the dB soft key or the ENTER hard key To couple the input attenuator s level with your reference level setting select Attenuation Couple As you increase the reference setting the attenuation level also increases acoordingly Optional To change ...

Страница 218: ...oggle the External Offset soft key and select On 3 Enter a value by using the numeric keys 4 Press the dB soft key to complete the entry To turn the external offset off 1 Press the AMP SCALE hard key 2 Toggle the External Offset soft key and select Off Setting average You can set the number of measurements to be averaged for the trace presentation A maximum of 100 times of averaging can be set Whe...

Страница 219: ...time base and some measurement results may exhibit inaccurate values Therefore it is highly recommended that you use the same reference clock as the signal source You can use the TRIGGER hot key to set the external clock Figure 114 Connection ports for external reference clock Procedure 1 Connect an external reference or a GPS antenna to the JD700B series 2 Press the SYSTEM hot key 3 Press the Fre...

Страница 220: ... 214 you can continue your measurement Procedure 1 Press the MEASURE SETUP hot key 2 Press the Bandwidth soft key 3 Select the nominal channel bandwidth to be measured from the choices 1 4 MHz 3 MHz 5 MHz 10 MHz 15 MHz and 20 MHz Your measurement result is displayed on the screen as like the following example Figure 115 Figure 115 Spectrum measurement screen with LTE FDD signal analyzer Setting tr...

Страница 221: ...measurement or None to hide the information display 5 Optional If you have the two traces T1 and T2 you can perform trace math To view the power difference between the traces press the T1 T2 T5 or T2 T1 T6 soft key The result is overlaid on the screen along with the second Y axis Conducting RF measurements Channel power The Channel Power measurement is a common test used in the wireless industry t...

Страница 222: ...ation Occupied bandwidth The Occupied Bandwidth measures the spectrum shape of the carrier It is defined as the bandwidth which includes 99 of the transmitted power among total transmitted power Setting measure setup After configuring test parameters as described in the Configuring test parameters on page 214 you can continue your measurement Procedure 1 Press the MEASURE SETUP hot key 2 Press the...

Страница 223: ...requency band It provides useful figures of merit for the spectral re growth and emissions produced by components and circuit blocks without the rigor of performing a full SEM measurement The SEM measures spurious signal levels in up to five pairs of offset or region frequencies and relates them to the carrier power Setting measure setup After configuring test parameters as described in the Config...

Страница 224: ...ts on page 227 for more information ACLR The Adjacent Channel Leakage power Ratio ACLR measures the amount of interference or power in an adjacent frequency channel according to the standards Setting measure setup After configuring test parameters as described in the Configuring test parameters on page 214 you can continue your measurement Procedure 1 Press the MEASURE SETUP hot key 2 Press the Ba...

Страница 225: ...ue your measurement Procedure 1 Press the MEASURE SETUP hot key 2 To set the nominal channel bandwidth to be measured complete the following steps Press the Bandwidth soft key Select the bandwidth option from the choices 1 4 MHz 3 MHz 5 MHz 10 MHz 15 MHz and 20 MHz 3 To set the frequency do one of the following To set the center frequency complete the following steps Toggle the Unit soft key and s...

Страница 226: ...to analyze your measurements with the user definable limit and Pass Fail indication See Setting limit for RF tests on page 227 for more information Spurious emissions Out of band emissions are unwanted emissions immediately outside the channel bandwidth resulting from the modulation process and non linearity in the transmitter but excluding spurious emissions The Spurious Emissions measurement is ...

Страница 227: ...display the selected range in the result table or Off to hide it from the table 3 Toggle the Measure Type soft key between Examine and Full to select the measurement type NOTE The Examine mode displays only the selected range while the Full mode lets the instrument automatically changes the selected range from one another 4 To set the number of measurements to be averaged complete the following st...

Страница 228: ...for more information Conducting power vs time frame measurements The Power vs Time Frame measures the modulation envelope in the time domain showing the power of each time slot in an LTE signal Setting measure setup After configuring test parameters as described in the Configuring test parameters on page 214 you can continue your measurement The measurement settings can be saved and recalled as a ...

Страница 229: ...tenna ports 2 and 3 are disabled To select the cyclic prefix toggle the Cyclic Prefix soft key and select Normal or Extended See Appendix E Cyclic prefix table on page 784 for OFDM parameter details by different bandwidth Measurement example Figure 122 Power vs time frame measurement with LTE FDD signal analyzer Conducting modulation measurements Constellation The Constellation is used to observe ...

Страница 230: ...stalled with a license number If not the instrument sets this option to 2x2 by default A 2x1 or 4x1 RF combiner is also required to able to test on MIMO channels To assign a antenna port number automatically or manually press the Antenna Port soft key and select the option Auto 0 1 2 and 3 If the option 030 LTE Advanced FDD is not installed or if the MIMO is set to 2x2 the antenna ports 2 and 3 ar...

Страница 231: ...nal analyzer Figure 124 Constellation measurement with LTE FDD signal analyzer MBMS On NOTE You can use the LIMIT hot key to analyze your measurements with the user definable limit and Pass Fail indication See Setting limit for modulation tests on page 246 for more information Data channel The Data Channel measures the constellation for the specified resource block as well as the modulation accura...

Страница 232: ...he option for the number of PHICH groups Ng 1 6 1 2 1 2 E 1 6 E 1 2 E 1 or E 2 7 Toggle the Event Hold soft key between On and Off to enable or disable the event hold feature When enabled the display line for the PDSCH threshold appears When an event occurs the measurement is put on hold until you press the HOLD hot key 8 Optional Press the Miscellaneous soft key and then do the following as neede...

Страница 233: ...CH complete the following steps Press the PDSCH Threshold soft key Enter a value by using the numeric keys and then press the dB soft key Toggle the PDSCH Precoding soft key between On and Off to enable or disable the PDSCH precoding Setting display You can use the TRACE DISPLAY hard key to change the display mode to NB IoT Procedure 1 Press the TRACE DISPLAY hard key 2 Toggle the NB IoT soft key ...

Страница 234: ...ass Fail indication See Setting limit for modulation tests on page 246 for more information Figure 127 Data channel measurement with LTE FDD signal analyzer NB IoT On NOTE You can see the resource block displayed in red and if the value of Marker and NB IoT PRB Index are same only RB Power is displayed Using marker You can use the MARKER hard key to place a marker on a resource block and display t...

Страница 235: ... knob NOTE For MBMS testing this subframe number must be neither 0 nor 5 as these subframes 0 and 5 are not available for MBMS and it must be set to the MBMS transmitted channel s subframe number Press the Enter soft key 4 Optional Toggle the Physical Cell ID soft key and select Auto or Manual as desired Auto Lets the instrument detect the Physical Cell ID for the LTE signal automatically Manual S...

Страница 236: ... with the same PMCH subframe number If this setting is on the measurement item MBSFN RS appears in the result table To set the Multicast Broadcast Single Frequency Network MBSFN detection automatically or manually for MBMS testing toggle the MBSFN soft key and select Auto or Manual An automatically detected or manually entered MBSFN ID appears on the screen To select the cyclic prefix toggle the C...

Страница 237: ...hannel P SS is selected by default 3 Turn the rotary knob to move the highlight from one to another in the channel summary table 4 Toggle the Marker View soft key between On and Off to display or hide the result of the selected channel Subframe The Subframe measures the modulation accuracy of all the data and control channels at the specified subframe 1 ms Setting measure setup After configuring t...

Страница 238: ...put Multiple Output setting is activated only if the option 030 LTE Advanced FDD is installed with a license number If not the instrument sets this option to 2x2 by default A 2x1 or 4x1 RF combiner is also required to able to test on MIMO channels To assign a antenna port number automatically or manually press the Antenna Port soft key and select the option Auto 0 1 2 and 3 If the option 030 LTE A...

Страница 239: ...the numeric keys and then press the dB soft key Toggle the PDCCH Mode soft key and select REG to calculate EVM based on Resource Element Group or Avg to calculate EVM after adding all PDCCH signals from one subframe Toggle the PDSCH Precoding soft key between On and Off to enable or disable the PDSCH precoding Measurement example Figure 130 Subframe measurement with LTE FDD signal analyzer Figure ...

Страница 240: ...PLAY hard key 2 Toggle the Chart soft key between On and Off to display or dismiss the chart If this setting is on the MARKER hard key is activated Using marker If you turn the Chart view on you can use the MARKER hard key to place the marker at a specific symbol Procedure 1 Press the MARKER hard key 2 Toggle the Marker View soft key between On and Off to display or dismiss the marker on the chart...

Страница 241: ...hen do the following as needed To select the number of antenna ports toggle the MIMO soft key and select 2x2 or 4x4 This MIMO Multiple Input Multiple Output setting is activated only if the option 030 LTE Advanced FDD is installed with a license number If not the instrument sets this option to 2x2 by default A 2x1 or 4x1 RF combiner is also required to able to test on MIMO channels To assign a ant...

Страница 242: ...e the following steps Press the PDCCH Threshold soft key Enter a value by using the numeric keys Press the dB soft key Toggle the PDCCH Mode soft key and select REG to calculate EVM based on Resource Element Group or Avg to calculate EVM after adding up all the PDCCH signals from one subframe Toggle the PDSCH Precoding soft key between On and Off to enable or disable the PDSCH precoding Measuremen...

Страница 243: ...al channel bandwidth to be measured complete the following steps Press the Bandwidth soft key Select the bandwidth option from the choices 1 4 MHz 3 MHz 5 MHz 10 MHz 15 MHz and 20 MHz 3 Optional Toggle the Physical Cell ID soft key and select Auto or Manual as desired Auto Lets the instrument detect the Physical Cell ID for the LTE signal automatically Manual Sets a specific Physical Cell ID for t...

Страница 244: ...p The Data Allocation Map function represents data allocation as a frame Setting measure setup After configuring test parameters as described in the Configuring test parameters on page 214 you can continue your measurement The measurement settings can be saved and recalled as a file You can also use JDViewer PC application software to configure a measure setup save as a file and load the file on t...

Страница 245: ...key and select the option Auto 0 1 2 and 3 If the option 030 LTE Advanced FDD is not installed or if the MIMO is set to 2x2 the antenna ports 2 and 3 are disabled To turn the Multimedia Broadcast Multicast Service MBMS feature on or off toggle the MBMS soft key and select On or Off For proper MBMS testing you need to set the Subframe No with the same PMCH subframe number If this setting is on eith...

Страница 246: ...FDD Signal Analyzer JD700B Series User s Guide 245 Measurement example Figure 136 Data allocation map measurement with LTE FDD signal analyzer Figure 137 Data allocation map measurement with LTE FDD signal analyzer MBMS On ...

Страница 247: ... also use the rotary knob to move the marker side by side Press the Enter soft key 4 To select the subframe block number complete the following steps Press the Subframe No soft key Enter the subframe number to select by using the numeric keys You can also use the rotary knob to move the marker up and down Press the Enter soft key Setting limit for modulation tests Procedure 1 Press the LIMIT hot k...

Страница 248: ...ror for MIMO Time Alignment Error MIMO High Limit Time alignment error for aggregation of component carriers intra band contiguous intra band non contiguous and inter band Time Alignment Error Carrier Aggregation Intra Cont Intra Non cont Inter Band Time error Time Error High Limit Low Limit I Q origin offset IQ Origin Offset High Limit 4 Optional You can enable alarm sound that goes off if the me...

Страница 249: ... E TM3 2 E TM3 3 High Limit Low Limit Error vector magnitude EVM Test Limits E TM2 E TM2a E TM3 1 E TM3 1a E TM3 2 E TM3 3 High Limit QPSK High Limit 16 QAM High Limit 64 QAM High Limit 256 QAM Time alignment error Time Alignment Error High Limit RS power RS Power High Limit Low Limit 5 To verify unwanted emissions press the Unwanted Emissions soft key and then do the following as needed To set th...

Страница 250: ...orm functions as you desire See Using save on page 35 for more information 7 Press the Run Test soft key to start to run a test The Auto Measure Results window appears at the end of the test 8 When prompted on the screen connect the cable from the Spectrum Analyzer RF In port of the instrument to either Antenna Port 0 or Antenna Port 1 of the eNode B and then change the TM mode on the eNode B side...

Страница 251: ...re information NOTE You can use the Allowed Change soft key for each test item to compare two measurement values displayed in the result table This requires setting the Display mode to Compare in advance Setting measure setup After configuring test parameters as described in the Configuring test parameters on page 214 you can continue your measurement The measurement settings can be saved and reca...

Страница 252: ...ey and select On or Off For proper MBMS testing you need to set the Subframe No with the same PMCH subframe number To set the Multicast Broadcast Single Frequency Network MBSFN detection automatically or manually for MBMS testing toggle the MBSFN soft key and select Auto or Manual An automatically detected or manually entered MBSFN ID appears on the screen 7 To save your settings and results go to...

Страница 253: ...ement settings can be saved and recalled as a file You can also use JDViewer PC application software to configure a measure setup save as a file and load the file on to the instrument Procedure 1 Press the MEASURE SETUP hot key 2 Toggle the Physical Cell ID soft key and select Auto or Manual as desired Auto Lets the instrument detect the Physical Cell ID for the LTE signal automatically Manual Set...

Страница 254: ...r to speed up the synchronization with a BTS Press the Antenna Port soft key and then select the option Auto 0 1 2 or 3 If the option 030 LTE Advanced FDD is not installed or if the MIMO is set to 2x2 the antenna ports 2 and 3 are disabled Toggle the External Offset soft key and select On to set the external offset value To turn the Multimedia Broadcast Multicast Service MBMS feature on or off tog...

Страница 255: ...ns as you desire See Using save on page 35 for more information Measurement Example Figure 139 DAS measurement with LTE FDD signal analyzer Performing power statistics CCDF measurements The Power Statistics Complementary Cumulative Distribution Function CCDF measurement characterizes the power statistics of the input signal It provides PAR Peak to Average power Ratio versus different probabilities...

Страница 256: ...t The measurement settings can be saved and recalled as a file You can also use JDViewer PC application software to configure a measure setup save as a file and load the file on to the instrument Procedure 1 Press the MEASURE SETUP hot key 2 To configure parameters for up to 5 component carriers complete the following steps Press the CA Configuration soft key The component carrier configuration wi...

Страница 257: ... EVM Detection Mode is set to Single press the Subframe No soft key and then set the subframe number NOTE For MBMS testing this subframe number must be neither 0 nor 5 as these subframes 0 and 5 are not available for MBMS and it must be set to the MBMS transmitted channel s subframe number If the EVM Detection Mode is set to Combine toggle the Subframe No soft key and then select 0 or 5 6 To set t...

Страница 258: ...E DISPLAY hard key to select modulation analysis or spectrum analysis Procedure 1 Press the TRACE DISPLAY hard key 2 Toggle the Display soft key and select MA for modulation analysis SA for spectrum analysis or Dual Sp for dual spectrogram analysis The screen changes according to the selected option 3 If SA is selected complete the following steps Press the CC soft key and then select between CC1 ...

Страница 259: ...rogram mode is useful to compare two spectrograms displayed simultaneously on the screen Procedure 1 Press the MEASURE SETUP hot key 2 Press the More 1 2 soft key 3 Toggle the Active Window soft key and select Left or Right spectrogram to be set up You can also tap on the left or right chart on the screen 4 Press the CC soft key and press the number from 1 to 5 using the numeric keys 5 To set the ...

Страница 260: ...ault threshold is 50 and it is a user definable parameter Figure 143 Carrier aggregation measurement with LTE FDD signal analyzer SA with Wi Fi on The SA Spectrum Analysis result shows the spectrum trace without triggering The example measurement screen shows Wi Fi SSID on top of the current spectrum trace showing the Wi Fi band which is one of the fuctions that CellAdvisor 700B series provide Up ...

Страница 261: ...el to be displayed on the IQ diagram 4 Use the rotary knob or arrow keys to move and select a channel under EVM Conducting LTE FDD OTA measurements The FDD LTE Over The Air OTA measurement has Channel Scanner ID Scanner Multipath Profile Datagram and Control Channel screens The ID Scanner displays key parameters such as RSRP RSRQ RS SINR and S SS RSSI The Multipath Profile enables you to determine...

Страница 262: ...ary knob Select the unit GHz MHz kHz or Hz 8 To add more channels to be scanned repeat steps 3 6 9 Press the ESC hard key to dismiss the channel list window and view the scanning result To set the frequencies to be scanned 1 Press the FREQ DIST hard key 2 Toggle the Unit soft key and select Freq 3 Press the Index soft key and then enter an index number between one and six by turning the rotary kno...

Страница 263: ... and cell reselection decisions RSRQ provides additional information when RSRP is not sufficient to make a reliable handover or cell reselection decision All of the parameters for OTA ID scanner can be plotted on map data such as Google Maps and Google Earth by using JDViewer Setting measure setup After configuring test parameters as described in the Configuring test parameters on page 214 you can...

Страница 264: ...you to determine RF environmental conditions of testing area It indicates the amount of power of the dominant pilot signal that is dispersed outside the main correlation peak due to multipath echoes that are expressed in dB This value should be very small ideally The multipath profile is the result of portions of the original broadcast signal arriving at the receiving antenna out of phase This can...

Страница 265: ...onal Go to SAVE LOAD Save and then select the save option from the choices available for your measurement mode See Using save on page 35 for more information Measurement example Figure 147 Multipath profile measurement with LTE FDD OTA signal analyzer Control channel DL RS power is the resource element power of Downlink Reference Symbol The absolute DL RS power is indicated on the BCH The absolute...

Страница 266: ...ion to 2x2 by default A 2x1 or 4x1 RF combiner is also required to able to test on MIMO channels To assign a antenna port number automatically or manually press the Antenna Port soft key and select the option Auto 0 1 2 and 3 If the option 030 LTE Advanced FDD is not installed or if the MIMO is set to 2x2 the antenna ports 2 and 3 are disabled To select the cyclic prefix toggle the Cyclic Prefix s...

Страница 267: ...2 EVM RS EVM RS3 EVM Frequency error Frequency Error High Limit Low Limit Time error Time Error High Limit Low Limit Time alignment error Time Alignment Error High Limit 3 Optional Go to SAVE LOAD Save and then select Limit to save the limit settings See Using save on page 35 for more information ...

Страница 268: ...agram will show the trend of past resource block power over certain period Using a marker function facilitates analysis of accumulated resource block power for data utilization Setting measure setup After configuring test parameters as described in the Configuring test parameters on page 214 you can continue your measurement The measurement settings can be saved and recalled as a file You can also...

Страница 269: ...ey NOTE Enabling the time cursor puts the measurement on hold and you can make post processing analysis for each measurement over time using the time cursor 7 To start a new measurement press the Reset Restart soft key 8 Optional Press the Miscellaneous soft key and then do the following as needed To select the number of antenna ports toggle the MIMO soft key and select 2x2 or 4x4 This MIMO Multip...

Страница 270: ...ble map file so that you can zoom in and out after loading it Press SAVE LOAD hot key and then select Load Load Map See Using load on page 37 for more information 4 Press the MEASURE SETUP hot key 5 Press the Plot Point soft key and then select the plot point option from the following choices To collect data plot points automatically as you move around in a vehicle or outside press the GPS soft ke...

Страница 271: ...dure 1 Press the LIMIT hot key 2 Select the plot items and set the limits as needed To set the limit for Select Set RSRP RSRP Excellent Very Good Good Fair Poor dBm RSRQ RSRQ Good Fair Poor dB RS SINR RS SINR Good Fair Poor dB S SS RSSI S SS RSSI Excellent Very Good Good Fair Poor dBm P SS Power P SS Power Excellent Very Good Good Fair Poor dBm S SS Power S SS Power Excellent Very Good Good Fair P...

Страница 272: ... 8 Using LTE FDD Signal Analyzer JD700B Series User s Guide 271 Figure 151 Route map measurement RSRQ with LTE FDD OTA signal analyzer Figure 152 Route map measurement RS SINR with LTE FDD OTA signal analyzer ...

Страница 273: ...sing LTE FDD Signal Analyzer 272 JD700B Series User s Guide Figure 153 Route map measurement S SS RSSI with LTE FDD OTA signal analyzer Figure 154 Route map measurement P SS Power with LTE FDD OTA signal analyzer ...

Страница 274: ...can use the Map Control feature that enables you to zoom into the map and view a specific area of interest in detail Procedure 1 Press the TRACE DISPLAY hard key 2 Press the Map Control soft key This key is active only when you have loaded a sizable map 3 Do one of the following To zoom into an area of interest directly complete the following steps Toggle the Zoom to soft key and select Area The b...

Страница 275: ...ave a set of raster data files generated through the ariesoGEO application you can load and overlay the data on your base map to help you check the signal quality and the strength of interferences while driving toward the area of interest Procedure 1 Copy a set of raster data files into your USB memory drive including the following ASCII tab asc and clr files BIL tab hdr bil and clr files NOTE The...

Страница 276: ...app with the license on your smartphone Preparing your smartphone for remote control via Bluetooth To set up a Bluetooth connection and enable data collection with remote control properly you need to pair your instrument with your smartphone and set the app s local Bluetooth control option to Slave once at the beginning Procedure 1 Connect a Bluetooth adapter to the USB Host port and an Omni anten...

Страница 277: ...sor TrueSite application Procedure 1 After you have paired and set your smartphone as a slave open the RANAdvisor TrueSite icon on your device again 2 Tap the button at the bottom of the Home screen The Main Screen appears 3 Tap the Customization menu The Choose Operation menu box appears 4 Select Map Display Parameters LTE Serving and Neighbor Parameters 5 Make sure to check the checkbox for the ...

Страница 278: ...bove the RAN Performance Indicator chart to indicate a successful connection 6 The instrument automatically sets the correlated downlink channel number for the received uplink channel number and displays measurement results as like Figure 158 Observe the consolidated measurement results on the screen for your troubleshooting NOTE If the Physical Cell ID of the uplink channel is not identical to th...

Страница 279: ... the level for Select Set Data throughput Data Throughput Good Bad kbps Channel quality indicator CQI Good Bad Modulation type Modulation Type On Off only 3 To check the performance of eNode B do the following as needed To set the level for Select Set Reference signal received power RSRP Good Bad dBm Reference signal received quality RSRQ Good Bad dB Signal to interference and noise ratio SINR Goo...

Страница 280: ...ed in this chapter are as follows Introduction 280 Display overview 281 Connecting a cable 281 Selecting measurement mode 283 Configuring test parameters 283 Conducting spectrum measurements 288 Conducting RF measurements 290 Conducting power vs time measurements 298 Conducting modulation measurements 301 Performing auto measurements 318 Performing power statistics CCDF measurements 324 Performing...

Страница 281: ...esting 3GPP TS 36 211 Evolved Universal Terrestrial Radio Access E UTRA Physical Channels and Modulation 3GPP TS 36 212 Evolved Universal Terrestrial Radio Access E UTRA Multiplexing and Channel Coding 3GPP TS 36 213 V8 2 0 Evolved Universal Terrestrial Radio Access E UTRA Physical Layer Procedures This instrument provides the following measurement tools for TDD LTE system Spectrum Analysis RF Ana...

Страница 282: ...am Route Map RAN Performance Indicator Display overview Figure 159 provides descriptions for each segment of the measurement screen Figure 159 LTE TDD signal analyzer measurement screen Connecting a cable Direct connection Procedure 1 Connect the Spectrum Analyzer RF In port of the JD700B series and the Power amplifier output port of BTS ...

Страница 283: ...wer for the Spectrum Analyzer RF In port is 25 dBm 0 316 W for JD780B series and 20 dBm 0 1 W for JD740B series If the level of the input signal to be measured is greater than this use a High Power Attenuator to prevent damage when you directly connect the signal to the instrument or connect the signal from the coupling port of a directional coupler Over the air OTA Procedure 1 Connect an Omni dir...

Страница 284: ... Spectrum RF Analysis Channel Power Occupied BW Spectrum Emission Mask ACLR Multi ACLR or Spurious Emissions Power vs Time Power vs Time Slot or Power vs Time Frame Modulation Analysis Constellation Data Channel Control Channel Subframe Time Alignement Error or Data Allocation Map Auto Measure Conformance Test Maintenance Test Signal Perfomance or DAS Test Power Statistics CCDF More 1 2 Carrier Ag...

Страница 285: ...select Channel NOTE Selecting Channel sets the standard channel to Band Global automatically so that you can set the Channel Number without choosing a standard channel band from the list 3 Press the Channel Number soft key 4 Enter a value by using the numeric keys You can also use the rotary knob 5 Press the Enter soft key The instrument automatically displays the corresponding center frequency va...

Страница 286: ...B series to optimize S N complete the following steps Select Attenuation Manual Press the Attenuation Value soft key to set the level Enter a value in fives by using the numeric keys Press the dB soft key or the ENTER hard key To couple the input attenuator s level with your reference level setting select Attenuation Couple As you increase the reference setting the attenuation level also increases...

Страница 287: ...oggle the External Offset soft key and select On 3 Enter a value by using the numeric keys 4 Press the dB soft key to complete the entry To turn the external offset off 1 Press the AMP SCALE hard key 2 Toggle the External Offset soft key and select Off Setting average You can set the number of measurements to be averaged for the trace presentation A maximum of 100 times of averaging can be set Whe...

Страница 288: ...ts may exhibit inaccurate values Therefore it is highly recommended that you use the same reference clock as the signal source You can use the TRIGGER hot key to set the external clock Figure 163 Connection ports for external reference clock Procedure 1 Connect an external reference or a GPS antenna to the JD700B series 2 Press the SYSTEM hot key 3 Press the Freq Reference soft key and then select...

Страница 289: ...frame No soft key Enter a value by using the numeric keys You can also use the rotary knob Press the Enter soft key 4 If you enable the gated sweep for the guard period you can easily identify the existence of the interference in uplink call activities To turn it on toggle the Guard Period soft key and select Enable The Subframe No menu deactivates To turn it off toggle the Guard Period soft key a...

Страница 290: ... s minimum response only unlimited or for a certain amount of time Min Hold m Capture the selected trace and compare traces Capture C Load a saved trace More 1 2 Load L Hide the displayed trace Trace View Off F Remove all the traces and initialize the trace settings More 1 2 Trace Clear All NOTE For the Max Hold and Min Hold your instrument compares newly acquired data with the active trace and di...

Страница 291: ...ies the total RF power and power spectral density PSD of the signal in the LTE channel bandwidth Setting measure setup After configuring test parameters as described in the Configuring test parameters on page 283 you can continue your measurement Procedure 1 Press the MEASURE SETUP hot key 2 To set the nominal channel bandwidth to be measured complete the following steps Press the Bandwidth soft k...

Страница 292: ...Configuring test parameters on page 283 you can continue your measurement Procedure 1 Press the MEASURE SETUP hot key 2 To set the nominal channel bandwidth to be measured complete the following steps Press the Bandwidth soft key Select the bandwidth option from the choices 1 4 MHz 3 MHz 5 MHz 10 MHz 15 MHz and 20 MHz 3 To select the subframe number to be measured complete the following steps Pres...

Страница 293: ...d It provides useful figures of merit for the spectral re growth and emissions produced by components and circuit blocks without the rigor of performing a full SEM measurement The SEM measures spurious signal levels in up to five pairs of offset or region frequencies and relates them to the carrier power Setting measure setup After configuring test parameters as described in the Configuring test p...

Страница 294: ...r to speed up the synchronization with a BTS Measurement example Figure 167 SEM measurement with LTE TDD signal analyzer NOTE You can use the LIMIT hot key to analyze your measurements with the user definable limit and Pass Fail indication See Setting limit for RF tests on page 297 for more information ACLR The Adjacent Channel Leakage power Ratio ACLR measures the amount of interference or power ...

Страница 295: ...signal manually in order to speed up the synchronization with a BTS Measurement example Figure 168 ACLR measurement with LTE TDD signal analyzer NOTE You can use the LIMIT hot key to analyze your measurements with the user definable limit and Pass Fail indication See Setting limit for RF tests on page 297 for more information Multi ACLR The Multi ACLR measurement is used to perform multi channel A...

Страница 296: ...t GHz MHz kHz or Hz To set the channel number complete the following steps Toggle the Unit soft key and select Channel NOTE Selecting Channel sets the standard channel to Band Global automatically so that you can set the Channel Number without choosing a standard channel band from the list Press the Lowest Channel soft key to set the starting channel Enter a value by using the numeric keys You can...

Страница 297: ...art frequency for the selected range Select Stop Frequency and then specify the stop frequency for the selected range Select Start Limit and then specify the lower limit for Pass Fail indication Select Stop Limit and then specify the upper limit for Pass Fail indication Select More 1 2 Attenuation and then specify an value in the multiple of five Select More 1 2 RBW and then specify a RBW value Se...

Страница 298: ... Press the RF Test Limits soft key 3 Select the test item s and set the limit s depending on your selected measurement mode To set the limit for Select Set Channel power Channel Power High Limit Low Limit Occupied bandwidth Occupied BW High Limit Spectrum emission mask Spectrum Emission Mask On Off only ACLR ACLR On Off only Multi ACLR Multi ACLR On Off only Spurious emissions Spurious Emissions O...

Страница 299: ...rotary knob Press the Enter soft key 4 Toggle the Physical Cell ID soft key and select Auto or Manual as desired Auto Lets the instrument detect the Physical Cell ID for the LTE signal automatically Manual Sets a specific Physical Cell ID for the LTE signal manually in order to speed up the synchronization with a BTS 5 Optional Press the Miscellaneous soft key and then do the following as needed T...

Страница 300: ...imit Low Limit Off power Off Power High Limit Transition period Transition Period High Limit 4 Optional You can enable alarm sound that goes off if the measurement falls outside of the limit Toggle the Beep soft key between On and Off to enable or disable the beep sound 5 Optional Go to SAVE LOAD Save and then select Limit to save the limit settings See Using save on page 35 for more information M...

Страница 301: ...ress the Enter soft key 4 Toggle the Physical Cell ID soft key and select Auto or Manual as desired Auto Lets the instrument detect the Physical Cell ID for the LTE signal automatically Manual Sets a specific Physical Cell ID for the LTE signal manually in order to speed up the synchronization with a BTS 5 Optional Press the Miscellaneous soft key and then do the following as needed To select the ...

Страница 302: ...ucting modulation measurements Constellation The Constellation is used to observe some aspects of modulation accuracy and can reveal certain fault mechanisms such as I Q amplitude imbalance or quadrature imbalance It displays constellation diagram by modulation types Setting measure setup After configuring test parameters as described in the Configuring test parameters on page 283 you can continue...

Страница 303: ...t setting is activated only if the option 031 LTE Advanced TDD is installed with a license number If not the instrument sets this option to 2x2 by default A 2x1 or 4x1 RF combiner is also required to able to test on MIMO channels To assign a antenna port number automatically or manually press the Antenna Port soft key and select the option Auto 0 1 2 and 3 If the option 031 LTE Advanced TDD is not...

Страница 304: ...M E TM3 1a and E TM2a To set the threshold for PDSCH complete the following steps Press the PDSCH Threshold soft key Enter a value by using the numeric keys Press the dB soft key Toggle the PDSCH Precoding soft key between On and Off to enable or disable the PDSCH precoding Measurement example Figure 173 Constellation measurement with LTE TDD signal analyzer Figure 174 Constellation measurement wi...

Страница 305: ...d channel s subframe number Press the Enter soft key 4 Optional Toggle the Physical Cell ID soft key and select Auto or Manual as desired Auto Lets the instrument detect the Physical Cell ID for the LTE signal automatically Manual Sets a specific Physical Cell ID for the LTE signal manually in order to speed up the synchronization with a BTS 5 Optional Toggle the CFI soft key and select Auto or Ma...

Страница 306: ...the delay complete the following steps Press the Delay soft key to set the amount of delay in µs Enter a value by using the numeric keys You can also use the rotary knob Press the µs soft key NOTE The Delay setting is used only when there is a time offset in the signals to be measured To select the cyclic prefix toggle the Cyclic Prefix soft key and select Normal or Extended See Appendix E Cyclic ...

Страница 307: ...ou can use the LIMIT hot key to analyze your measurements with the user definable limit and Pass Fail indication See Setting limit for modulation tests on page 317 for more information Using marker You can use the MARKER hard key to place a marker on a resource block and display the IQ diagram for the selected resource block Procedure 1 Press the MARKER hard key 2 Press the RB Number soft key to s...

Страница 308: ...r must be neither 0 nor 5 as these subframes 0 and 5 are not available for MBMS and it must be set to the MBMS transmitted channel s subframe number Press the Enter soft key 4 Optional Toggle the Physical Cell ID soft key and select Auto or Manual as desired Auto Lets the instrument detect the Physical Cell ID for the LTE signal automatically Manual Sets a specific Physical Cell ID for the LTE sig...

Страница 309: ...ingle Frequency Network MBSFN detection automatically or manually for MBMS testing toggle the MBSFN soft key and select Auto or Manual An automatically detected or manually entered MBSFN ID appears on the screen To set the delay complete the following steps Press the Delay soft key to set the amount of delay in µs Enter a value by using the numeric keys You can also use the rotary knob Press the µ...

Страница 310: ...played in the IQ diagram The channel P SS is selected by default 3 Turn the rotary knob to move the highlight from one to another in the channel summary table 4 Toggle the Marker View soft key between On and Off to display or dismiss the result of the selected channel Subframe The Subframe measures the modulation accuracy of all the data and control channels at the specified subframe 1 ms Setting ...

Страница 311: ...onnected to your JD700B series with a 2x1 or 4x1 combiner or an antenna 8 Press the Uplink Downlink Configuration soft key and then select the number of uplink downlink between one and six 9 Optional Press the Miscellaneous soft key and then do the following as needed To select the number of antenna ports toggle the MIMO soft key and select 2x2 or 4x4 This MIMO Multiple Input Multiple Output setti...

Страница 312: ... TDD 256 QAM Demodulator on your CellAdvisor you will have additional PDSCH modulation types of 256 QAM E TM3 1a and E TM2a To set the threshold for PDSCH complete the following steps Press the PDSCH Threshold soft key Enter a value by using the numeric keys Press the dB soft key To set the threshold for PDCCH complete the following steps Press the PDCCH Threshold soft key Enter a value by using t...

Страница 313: ... key to analyze your measurements with the user definable limit and Pass Fail indication See Setting limit for modulation tests on page 317 for more information Setting display You can use the TRACE DISPLAY hard key to view your measurement result with the chart Procedure 1 Press the TRACE DISPLAY hard key 2 Toggle the Chart soft key between On and Off to display or dismiss the chart If this setti...

Страница 314: ...soft key Select the bandwidth option from the choices 1 4 MHz 3 MHz 5 MHz 10 MHz 15 MHz and 20 MHz 3 Optional Toggle the Physical Cell ID soft key and select Auto or Manual as desired Auto Lets the instrument detect the Physical Cell ID for the LTE signal automatically Manual Sets a specific Physical Cell ID for the LTE signal manually in order to speed up the synchronization with a BTS 4 Optional...

Страница 315: ...arameters on page 283 you can continue your measurement The measurement settings can be saved and recalled as a file You can also use JDViewer PC application software to configure a measure setup save as a file and load the file on to the instrument Procedure 1 Press the MEASURE SETUP hot key 2 To set the nominal channel bandwidth to be measured complete the following steps Press the Bandwidth sof...

Страница 316: ...mbiner is also required to able to test on MIMO channels To assign a antenna port number automatically or manually press the Antenna Port soft key and select the option Auto 0 1 2 and 3 If the option 031 LTE Advanced TDD is not installed or if the MIMO is set to 2x2 the antenna ports 2 and 3 are disabled To turn the Multimedia Broadcast Multicast Service MBMS feature on or off toggle the MBMS soft...

Страница 317: ...cific resource block and subframe Procedure 1 Press the MARKER hard key 2 Toggle the Marker View soft key between On and Off to display or dismiss the marker on the chart 3 To select the resource block number complete the following steps Press the RB Number soft key Enter the resource block number to select by using the numeric keys You can also use the rotary knob to move the marker side by side ...

Страница 318: ... EVM P SS EVM High Limit S SS error vector magnitude EVM S SS EVM High Limit Downlink RS power Power DL RS Power High Limit Low Limit P SS power Power P SS Power High Limit Low Limit S SS power Power S SS Power High Limit Low Limit PBCH power Power PBCH Power High Limit Low Limit Subframe power Power Subframe Power High Limit Low Limit OFDM symbol power Power OFDM Symbol Power High Limit Low Limit...

Страница 319: ...ess the dBm unit soft key 3 To set the limit for total power dynamic complete the following steps Press the Total Power Dynamic soft key Toggle the Test Limits soft key between On and Off to enable or disable the limit Press the Low Limit soft key Enter a value for the lower limit and then press the dBm unit soft key 4 To set the limit for on off power press the On Off Power soft key and then do t...

Страница 320: ... information 7 Press the Run Test soft key to start to run a test The Auto Measure Results window appears at the end of the test 8 When prompted on the screen connect the cable from the Spectrum Analyzer RF In port of the instrument to either Antenna Port 0 or Antenna Port 1 of the eNode B and then change the TM mode on the eNode B side 9 Press the Continue soft key to continue testing 10 Repeat t...

Страница 321: ...t key and then select a scenario file to load 4 Toggle the Test Time soft key and select the test time option Now Lets the instrument run a test only once Schedule Lets the instrument repeat tests as defined in the Set Timing The Set Timing menu becomes activated 5 To define a schedule for an auto measurement complete the following steps Press the Set Timing soft key Press the Start Time HH MM sof...

Страница 322: ...as the test progresses Settings You can view a measurement setting table as the test progresses Setting display After completion of the auto measurement the screen menu changes to Trace Display so that you can view the results in different forms Procedure 1 Toggle the Display soft key and select the display option Result You can view the result table The Display Result menu becomes activated Setti...

Страница 323: ...n 031 LTE Advanced TDD is installed with a license number If not the instrument sets this option to 2x2 by default A 2x1 or 4x1 RF combiner is also required to able to test on MIMO channels 4 Press the Antenna Port soft key and then select the option Auto 0 1 2 or 3 If the option 031 LTE Advanced TDD is not installed or if the MIMO is set to 2x2 the antenna ports 2 and 3 are disabled 5 Press the B...

Страница 324: ...tup and then perform functions as you desire See Using save on page 35 for more information 4 Press the Continue soft key to do the reference test first or press the Skip Reference Test soft key if you already saved test results from the radio band under test 5 Press the FREQ DIST hard key and then set the frequency to be measured See Setting frequency on page 284 for more information 6 Press the ...

Страница 325: ...erent probabilities Setting measure setup After configuring test parameters as described in the Configuring test parameters on page 283 you can continue your measurement The measurement settings can be saved and recalled as a file You can also use JDViewer PC application software to configure a measure setup save as a file and load the file on to the instrument Procedure 1 Press the MEASURE SETUP ...

Страница 326: ... measurement settings can be saved and recalled as a file You can also use JDViewer PC application software to configure a measure setup save as a file and load the file on to the instrument Procedure 1 Press the MEASURE SETUP hot key 2 To configure parameters for up to 5 component carriers complete the following steps Press the CA Configuration soft key The component carrier configuration window ...

Страница 327: ... key and then select 0 or 5 6 To set the threshold for PDSCH complete the following steps Press the PDSCH Threshold soft key Enter a value by using the numeric keys Press the dB soft key 7 Toggle the PDSCH Precoding soft key between On and Off to enable or disable the PDSCH precoding 8 To select the number of antenna ports toggle the MIMO soft key and select 2x2 or 4x4 This MIMO Multiple Input Mul...

Страница 328: ...g measure setup for dual spectrogram The Dual Spectrogram mode is useful to compare two spectrograms displayed simultaneously on the screen Procedure 1 Press the MEASURE SETUP hot key 2 Press the More 1 2 soft key 3 Toggle the Active Window soft key and select Left or Right spectrogram to be set up You can also tap on the left or right chart on the screen 4 Press the CC soft key and press the numb...

Страница 329: ...gnal Analyzer 328 JD700B Series User s Guide Measurement example Figure 187 Carrier aggregation measurement with LTE TDD signal analyzer MA Figure 188 Carrier aggregation measurement with LTE TDD signal analyzer SA with Wi Fi on ...

Страница 330: ...he channel to be displayed on the IQ diagram 4 Use the rotary knob to move and select an item under EVM Conducting LTE TDD OTA measurements The TDD LTE Over The Air OTA measurement has Channel Scanner ID Scanner Multipath Profile Datagram and Control Channel screens The ID Scanner displays key parameters such as RSRP RSRQ RS SINR and S SS RSSI The Multipath Profile enables you to determine RF envi...

Страница 331: ...ary knob Select the unit GHz MHz kHz or Hz 8 To add more channels to be scanned repeat steps 3 6 9 Press the ESC hard key to dismiss the channel list window and view the scanning result To set the frequencies to be scanned 1 Press the FREQ DIST hard key 2 Toggle the Unit soft key and select Freq 3 Press the Index soft key and then enter an index number between one and six by turning the rotary kno...

Страница 332: ... and cell reselection decisions RSRQ provides additional information when RSRP is not sufficient to make a reliable handover or cell reselection decision All of the parameters for OTA ID scanner can be plotted on map data such as Google Maps and Google Earth by using JDViewer Setting measure setup After configuring test parameters as described in the Configuring test parameters on page 283 you can...

Страница 333: ...annels To select the cyclic prefix toggle the Cyclic Prefix soft key and select Normal or Extended See Appendix E Cyclic prefix table on page 784 for OFDM parameter details by different bandwidth 4 Optional Go to SAVE LOAD Save and then select the save option from the choices available for your measurement mode See Using save on page 35 for more information Measurement example Figure 191 ID scanne...

Страница 334: ...owing steps Press the Bandwidth soft key Select the bandwidth option from the choices 1 4 MHz 3 MHz 5 MHz 10 MHz 15 MHz and 20 MHz 3 Toggle the Display soft key and select RS or Sync The RS Window soft key becomes activated if RS is selected 4 Press the RS Window soft key if RS is selected and then select the RS window option 2 µs 4 µs or 8 µs 5 Optional Press the Miscellaneous soft key and then d...

Страница 335: ...ameters as described in the Configuring test parameters on page 283 you can continue your measurement The measurement settings can be saved and recalled as a file You can also use JDViewer PC application software to configure a measure setup save as a file and load the file on to the instrument Procedure 1 Press the MEASURE SETUP hot key 2 To set the nominal channel bandwidth to be measured comple...

Страница 336: ...or OFDM parameter details by different bandwidth To turn the Multimedia Broadcast Multicast Service MBMS feature on or off toggle the MBMS soft key and select On or Off For proper MBMS testing you need to set the Subframe No with the same PMCH subframe number If this setting is on the measurement item MBSFN RS appears in the result table To set the Multicast Broadcast Single Frequency Network MBSF...

Страница 337: ...agram will show the trend of past resource block power over certain period Using a marker function facilitates analysis of accumulated resource block power for data utilization Setting measure setup After configuring test parameters as described in the Configuring test parameters on page 283 you can continue your measurement The measurement settings can be saved and recalled as a file You can also...

Страница 338: ...ey NOTE Enabling the time cursor puts the measurement on hold and you can make post processing analysis for each measurement over time using the time cursor 7 To start a new measurement press the Reset Restart soft key 8 Optional Press the Miscellaneous soft key and then do the following as needed To select the number of antenna ports toggle the MIMO soft key and select 2x2 or 4x4 This MIMO Multip...

Страница 339: ...ble map file so that you can zoom in and out after loading it Press SAVE LOAD hot key and then select Load Load Map See Using load on page 37 for more information 4 Press the MEASURE SETUP hot key 5 Press the Plot Point soft key and then select the plot point option from the following choices To collect data plot points automatically as you move around in a vehicle or outside press the GPS soft ke...

Страница 340: ...dure 1 Press the LIMIT hot key 2 Select the plot items and set the limits as needed To set the limit for Select Set RSRP RSRP Excellent Very Good Good Fair Poor dBm RSRQ RSRQ Good Fair Poor dB RS SINR RS SINR Good Fair Poor dB S SS RSSI S SS RSSI Excellent Very Good Good Fair Poor dBm P SS Power P SS Power Excellent Very Good Good Fair Poor dBm S SS Power S SS Power Excellent Very Good Good Fair P...

Страница 341: ... 9 Using LTE TDD Signal Analyzer 340 JD700B Series User s Guide Figure 196 Route map measurement RSRQ with LTE TDD OTA signal analyzer Figure 197 Route map measurement RS SINR with LTE TDD OTA signal analyzer ...

Страница 342: ...sing LTE TDD Signal Analyzer JD700B Series User s Guide 341 Figure 198 Route map measurement S SS RSSI with LTE TDD OTA signal analyzer Figure 199 Route map measurement P SS Power with LTE TDD OTA signal analyzer ...

Страница 343: ...can use the Map Control feature that enables you to zoom into the map and view a specific area of interest in detail Procedure 1 Press the TRACE DISPLAY hard key 2 Press the Map Control soft key This key is active only when you have loaded a sizable map 3 Do one of the following To zoom into an area of interest directly complete the following steps Toggle the Zoom to soft key and select Area The b...

Страница 344: ...ave a set of raster data files generated through the ariesoGEO application you can load and overlay the data on your base map to help you check the signal quality and the strength of interferences while driving toward the area of interest Procedure 1 Copy a set of raster data files into your USB memory drive including the following ASCII tab asc and clr files BIL tab hdr bil and clr files NOTE The...

Страница 345: ...app with the license on your smartphone Preparing your smartphone for remote control via Bluetooth To set up a Bluetooth connection and enable data collection with remote control properly you need to pair your instrument with your smartphone and set the app s local Bluetooth control option to Slave once at the beginning Procedure 1 Connect a Bluetooth adapter to the USB Host port and an Omni anten...

Страница 346: ...tom of the Home screen The Main Screen appears 3 Tap the Customization menu The Choose Operation menu box appears 4 Select Map Display Parameters LTE Serving and Neighbor Parameters 5 Make sure to check the checkbox for the following two mandatory parameters Serving E ARFCN Serving Physical Cell ID NOTE It is very important for you to select these two parameters to identify the Uplink Channel Numb...

Страница 347: ...e Physical Cell ID of the uplink channel is not identical to the one of the downlink channel the instrument displays for the parameters to indicate invalid measurement results 7 If you want to see measurement results for other parameters select new parameters on the RANAdvisor TrueSite app See Setting parameters on RANAdvisor TrueSiteTM on page 276 8 Optional To save your settings and results go t...

Страница 348: ...eck the performance of eNode B do the following as needed To set the level for Select Set Reference signal received power RSRP Good Bad dBm Reference signal received quality RSRQ Good Bad dB Signal to interference and noise ratio SINR Good Bad dB Error vector magnitude More 1 2 EVM Good Bad Time alignment error More 1 2 Time Alignment Error Good Bad ns Frequency error More 1 2 Frequency Error Good...

Страница 349: ...scussed in this chapter are as follows Introduction 349 Display overview 350 Connecting a cable 350 Selecting measurement mode 352 Configuring test parameters 352 Conducting spectrum measurements 357 Conducting RF measurements 358 Conducting modulation measurements 364 Performing auto measurements 372 Performing power statistics CCDF measurements 374 Conducting CDMA OTA measurements 374 ...

Страница 350: ...reverse link cdma2000 uses QPSK Quadrature Phase Shift Keying modulation for the forward link and QPSK modulation with HPSK spreading for the reverse link Both forward and reverse links may have several channels and individual characteristics for each channel The chip rate depends on the mode selected You may alter the measurement parameters for specialized analysis Pass Fail testing with standard...

Страница 351: ...iptions for each segment of the measurement screen Figure 204 CDMA signal analyzer measurement screen Connecting a cable Direct connection Procedure 1 Connect the Spectrum Analyzer RF In port of the JD700B series and the Power amplifier output port of BTS Figure 205 Direct connection JD785B JD745B JD788B JD748B ...

Страница 352: ...t damage when you directly connect the signal to the instrument or connect the signal from the coupling port of a directional coupler NOTE For accurate PN Offset and Time Offset measurements with the CDMA Signal Analyzer function a PP2S should be connected to the External Trigger Without a GPS connection measurement results could be invalid numbers Over the air OTA Procedure 1 Connect an Omni dire...

Страница 353: ...ti ACPR or Spurious Emissions Modulation Constellation Code Domain Power Codogram RCSI or CDP Table Auto Measure Power Statistics CCDF OTA Channel Scanner PN Scanner Multipath Profile Code Domain Power or Route Map Configuring test parameters Setting frequency You can set the frequency with either frequency or channel number If a frequency to be set matches to the frequency corresponding to the se...

Страница 354: ...rument automatically displays the corresponding center frequency value for the selected channel number 7 Optional To define the amount of channel increment for the rotary knob complete the following steps Press the Channel Step soft key Enter a value by using the numeric keys You can also use the rotary knob Press the Enter soft key NOTE This frequency setting is not used in the Multi ACLR and Spu...

Страница 355: ...ion level also increases acoordingly Optional To change the scale unit 1 Select More 1 2 Units 2 Select the unit of the display scale dBm dBV dBmV dBµV V or W The scale unit on the screen changes accordingly NOTE This Units menu is available in the Spectrum and RF Analysis modes Scale per division You can use the Scale Div feature available for the spectrum and RF analysis It represents the value ...

Страница 356: ...When the averaging reaches to your setting a new measurement value replaces the measurement value in sequence from the earliest Procedure 1 Press the BW AVG hard key 2 Press the Average soft key 3 Enter a value between 1 and 100 as needed by using the numeric keys 4 Press the Enter soft key Setting sweep mode The default setting is Continue to sweep continuously for most on going measurements If y...

Страница 357: ... clock operation Clock Type Reference Port Switching Standard External Reference Internal Internal 10 MHz Default External External Ref Clock Ext Ref SMA Manual switching Input signal level 3 dBm GPS GPS Clock GPS SMA Automatic switching GPS signal received Trigger Internal Internal Trigger Default External External Trigger Trigger SMA Manual switching GPS GPS GPS SMA Manual switching Figure 208 C...

Страница 358: ...ntenna icon indicates that a GPS antenna is connected and locking is in progress GPS grey The grey GPS antenna icon indicates that a GPS antenna is not connected failed or unable to be locked Conducting spectrum measurements If you have configured test parameters as described in the Configuring test parameters on page 352 your measurement result is displayed on the screen as like the following exa...

Страница 359: ...e lowest value in each data point Negative Peak The center value in each data point Sample 5 Optional Select More 1 2 Trace Info and then select the trace number to view the trace s parameter setting information stored at the time of the measurement or None to hide the information display 6 Optional If you have the two traces T1 and T2 you can perform trace math To view the power difference betwee...

Страница 360: ...sts on page 363 for more information Occupied bandwidth The Occupied Bandwidth measures the spectrum shape of the carrier It is defined as the bandwidth which includes 99 of the transmitted power among total transmitted power After configuring test parameters as described in the Configuring test parameters on page 352 your measurement result is displayed on the screen as like the following example...

Страница 361: ...s of offset or region frequencies and relates them to the carrier power Setting measure setup After configuring test parameters as described in the Configuring test parameters on page 352 your measurement result is displayed on the screen as like the following example Figure 212 Figure 212 SEM measurement with CDMA signal analyzer NOTE You can use the LIMIT hot key to analyze your measurements wit...

Страница 362: ... following To set the center frequency complete the following steps Toggle the Unit soft key and select Freq Press the Lowest Frequency soft key to set the starting center frequency Enter a value by using the numeric keys You can also use the rotary knob Select the unit GHz MHz kHz or Hz Press the Highest Frequency soft key to set the stopping center frequency Enter a value by using the numeric ke...

Страница 363: ...sions The Spurious Emissions measurement is to identify and determine the power level of out of band spurious emission within the necessary channel bandwidth and modulated signal measured at the RF port of the Base Station Setting measure setup Procedure 1 Press the MEASURE SETUP hot key 2 To set up the range table and parameters press the Range Table soft key and then complete the following steps...

Страница 364: ...Enter a value between 1 and 100 Press the Enter soft key 5 To move the highlighted bar in the result table to other range complete the following steps Press the Range soft key in the Measure Setup menu bar Enter a value between 1 and 20 Press the Enter soft key After configuring test parameters as described in the Configuring test parameters on page 352 your measurement result is displayed on the ...

Страница 365: ...onstellation The Constellation is used to observe some aspects of modulation accuracy and can reveal certain fault mechanisms such as I Q amplitude imbalance or quadrature imbalance It displays constellation diagram by modulation types Setting measure setup After configuring test parameters as described in the Configuring test parameters on page 352 you can continue your measurement The measuremen...

Страница 366: ...ed distribution of power in the code domain Setting measure setup After configuring test parameters as described in the Configuring test parameters on page 352 you can continue your measurement The measurement settings can be saved and recalled as a file You can also use JDViewer PC application software to configure a measure setup save as a file and load the file on to the instrument Procedure 1 ...

Страница 367: ...or modulation tests on page 371 for more information Setting display You can view your measurement results in a different view option Procedure 1 Press the TRACE DISPLAY hard key 2 Press the Code Order soft key and then select the code order option from the following choices Hadamard To assign the number based on Walsh code order and display the measured code power according to the assigned number...

Страница 368: ...te the following steps Select More 1 2 Threshold Its default setting is 27 dB Enter a value between 50 and zero by using the numeric keys to change the value in the Manual mode Press the Enter soft key 5 Toggle the Q Paging soft key between On and Off to enable or disable the quick page channel that indicates the power of Quick Page Walsh code 80 6 To set the time interval complete the following s...

Страница 369: ... soft key and select the base Walsh code number 64 or 128 RCSI The Received Code Strength Indicator RCSI is used to track the power variation of cdmaOne or cdma2000 control channels such as Pilot Paging Sync and Q Paging over time The RCSI measurements can be saved into an external USB memory so that a post analysis can be done with the application software JDViewer Setting measure setup After con...

Страница 370: ...o enable or disable the quick page channel that indicates the power of Quick Page Walsh code 80 6 Press the Alarm Code soft key and then select the alarm code option None Pilot Page Sync or Quick Page 7 To set the alarm mask complete the following steps Press the Set Mask soft key Enter a value by using the numeric keys Press the dB dBm soft key 8 Optional Go to SAVE LOAD Save and then select the ...

Страница 371: ...a measure setup save as a file and load the file on to the instrument Procedure 1 Press the MEASURE SETUP hot key 2 To set the Pseudo Noise PN offset complete the following steps Toggle the PN Offset soft key between Auto and Manual Enter a value by using the numeric keys to set manually Press the Enter soft key 3 To set the incremental step for the PN offset complete the following steps Press the...

Страница 372: ...signed number in sequence Bit Reverse Code number in binary bit is reversed relative to the Hadamard method 3 Toggle the Base Code Length soft key and select the base Walsh code number 64 or 128 4 Select Page Up or Page Down as needed to scroll the screen up and down Setting limit for modulation tests Procedure 1 Press the LIMIT hot key 2 Press the Modulation Test Limits soft key 3 Select the test...

Страница 373: ... series allows a complete signal profiling covering RF characterization and modulation quality parameters of up to 10 different carriers particularly useful on an overlay architecture where base stations are transmitting in different frequencies The Auto Measure can be easily executed either by selecting a menu in the instrument or by running a programmed scenario in the PC based application so th...

Страница 374: ...key and select On Enter a value by using the numeric keys and then press the dB soft key 7 To save your settings and results go to SAVE LOAD Save and then perform functions as you desire See Using save on page 35 for more information 8 Press the Run Test soft key to start to run a test The Auto Measure Results window appears at the end of the test 9 To stop running the test press the Abort soft ke...

Страница 375: ...ress the MEASURE SETUP hot key 2 Press the CCDF Length soft key to set the length of the CCDF 3 Enter a value between 1 and 100 by using the numeric keys You can also use the rotary knob 4 Press the Enter soft key Measurement example Figure 221 CCDF measurement with CDMA signal analyzer Conducting CDMA OTA measurements This Over The Air OTA measurement has channel scanner PN scanner multipath prof...

Страница 376: ...keys You can also use the rotary knob Select the unit GHz MHz kHz or Hz 8 To add more channels to be scanned repeat steps 3 6 9 Press the ESC hard key to dismiss the channel list window and view the scanning result To set the frequencies to be scanned 1 Press the FREQ DIST hard key 2 Toggle the Unit soft key and select Freq 3 Press the Index soft key and then enter an index number between one and ...

Страница 377: ...s Fail indication 3 Enter a value and then press the dBm unit soft key 4 Toggle the Limit Line soft key between On and Off to display or dismiss the limit line 5 Optional You can enable alarm sound that goes off if the measurement falls outside of the limit Toggle the Beep soft key between On and Off to enable or disable the beep sound 6 Optional Go to SAVE LOAD Save and then select Limit to save ...

Страница 378: ... analyzer Multipath profile The Multipath Profile enables you to determine RF environmental conditions of testing area It indicates the amount of power of the dominant pilot signal that is dispersed outside the main correlation peak due to multipath echoes that are expressed in dB This value should be very small ideally The multipath profile is the result of portions of the original broadcast sign...

Страница 379: ...d as such on the display Once the channels are decoded the analyzer determines the power of each channel relative to the total signal power This measurement helps to verify that each code channel is operating at its proper level and helps to identify problems throughout the transmitter design from the coding to the RF section System imperfections such as the non linearity of amplifiers will presen...

Страница 380: ...sh code 80 6 To set the maximum amplifier power complete the following steps Press the Max Amplifier Power soft key Enter a value by using the numeric keys Press the dBm soft key 7 To set the pilot power complete the following steps Press the Pilot Power soft key Enter a value by using the numeric keys Press the dBm soft key 8 To set the threshold for pilot dominance complete the following steps S...

Страница 381: ... Bit Reverse Code number in binary bit is reversed relative to the Hadamard method 3 Toggle the Base Code Length soft key and select the base Walsh code number 64 or 128 Route map The JD700B Series provides the Route Map function that allows you to collect data of points in an indoor or outdoor environment and track the received signals and coverage of RF transmitters by plotting data real time di...

Страница 382: ... data plot points manually without a GPS antenna in an indoor environment press the Position soft key 6 Press the Plot Item soft key and then select the measurement option Pilot Power or Ec Io 7 To set the incremental step for the PN offset complete the following steps Press the PN Increment soft key Enter a value by using the numeric keys Press the Enter soft key 8 Toggle the Plot soft key and se...

Страница 383: ...ts for Ec Io if you have selected as for the plot item complete the following steps Press the Ec Io soft key Press the Good soft key to set its threshold Enter a value and then press the Enter soft key You can also use the rotary knob Press the Fair soft key to set its threshold Enter a value and then press the Enter soft key You can also use the rotary knob Press the Poor soft key to set its thre...

Страница 384: ...s created in JDMapCreator 1 2 0 or later you can use the Map Control feature that enables you to zoom into the map and view a specific area of interest in detail Procedure 1 Press the TRACE DISPLAY hard key 2 Press the Map Control soft key This key is active only when you have loaded a sizable map 3 Do one of the following To zoom into an area of interest directly complete the following steps Togg...

Страница 385: ...elect Center Press the Zoom In and Zoom Out soft keys as you need to zoom in and zoom out Move the zoomed in area by using the four arrow keys as you need 4 To set the location mode toggle the Location Mode soft key between Auto and Manual and select the one you desire Auto The instrument compares the coordinates of the displayed map with recevied GPS information If your current location goes out ...

Страница 386: ...ter are as follows Introduction 386 Display overview 386 Connecting a cable 387 Selecting measurement mode 389 Configuring test parameters 389 Conducting spectrum measurements 394 Conducting RF measurements 395 Conducting power vs time measurements 401 Conducting modulation measurements 403 Performing auto measurements 413 Performing power statistics CCDF measurements 415 Conducting EV DO OTA meas...

Страница 387: ...parameters for specialized analysis Pass Fail testing with standard defined or user defined upper and lower limits and the Pass Fail indictor help you to determine base station performance easily This instrument provides the following measurement tools for EV DO system Spectrum Analysis RF Analysis Channel Power Occupied Bandwidth Spectrum Emission Mask SEM Adjacent Channel Power Ratio ACLR Multi ...

Страница 388: ...ing a cable Direct connection Procedure 1 Connect the Spectrum Analyzer RF In port of the JD700B series and the Power amplifier output port of BTS Figure 228 Direct connection JD785B JD745B JD788B JD748B Indirect connection Procedure 1 Connect the Spectrum Analyzer RF In port of the JD700B series and the monitor test port of BTS ...

Страница 389: ...ttenuator to prevent damage when you directly connect the signal to the instrument or connect the signal from the coupling port of a directional coupler Over the air OTA Procedure 1 Connect an Omni directional RF antenna to the Spectrum Analyzer RF In port of the JD700B series 2 Connect a GPS antenna to the GPS port of the JD700B series Figure 230 OTA connection JD785B JD745B JD788B JD748B CAUTION...

Страница 390: ... frequency or channel number If a frequency to be set matches to the frequency corresponding to the selected channel standard the instrument calculates its channel number and updates the screen with it automatically Procedure To set the center frequency 1 Press the FREQ DIST hard key 2 Toggle the Unit soft key and select Freq 3 Press the Center Frequency soft key 4 Enter a value by using the numer...

Страница 391: ...be optimized with some margin To set the reference or attenuation level manually 1 Press the AMP SCALE hard key 2 To set the maximum reference value on the Y axis manually complete the following steps Press the Reference Level soft key Enter a value by using the numeric keys or the rotary knob with 10 dB increments Press the unit soft key or the ENTER hard key This unit key name changes according ...

Страница 392: ...rnal pre amplifier on to correct and compensate for the gain of the preamp so that amplitude readings show the value at the input connector Procedure 1 Press the AMP SCALE hard key 2 Toggle the Preamp soft key and select On or Off as needed NOTE You can turn the Preamp on when the input attenuation range is from 0 dB to 10 dB If the attenuation value is manually set to greater than 10 dB the instr...

Страница 393: ...select Single You can also use the HOLD hot key The letter HOLD in red appears and the sweeping is paused 3 Optional Press the Sweep Once soft key to get a new measurement To return to the continuous sweep mode 1 Toggle the Sweep Mode soft key and select Continue You can also use the HOLD hot key The letter HOLD in red disappears and the sweeping resumes Setting trigger source You can set the trig...

Страница 394: ... MHz External 15 MHz or GPS NOTE When a GPS antenna is connected and locked GPS coordinates longitude and latitude are displayed on the screen and frequency reference is automatically set to GPS in the System Freq Reference Table 18 External reference indicators Type Indicator Description Internal green The green INT icon indicates that the instrument uses the built in internal time base External ...

Страница 395: ... the selected trace changes from square to round to indicate that the trace is the active one now 3 Do one of the following To Select Trace Legend Clear current data and display with new measurements Clear Write W Display the input signal s maximum response only unlimited or for a certain amount of time Max Hold M Display the input signal s minimum response only unlimited or for a certain amount o...

Страница 396: ...al transmitted power of a radio within a defined frequency channel It acquires a number of points representing the input signal in the time domain transforms this information into the frequency domain using Fast Fourier Transform FFT and then calculates the channel power The effective resolution bandwidth of the frequency domain trace is proportional to the number of points acquired for the FFT Th...

Страница 397: ...for more information Spectrum emission mask SEM The Spectrum Emission Mask SEM measurement required by 3GPP2 specifications encompasses different power limits and different measurement bandwidths resolution bandwidths at various frequency offsets It may be expressed as a ratio of power spectral densities between the carrier and the specified offset frequency band It provides useful figures of meri...

Страница 398: ...r Ratio ACPR is defined as the ratio of the average power in the adjacent frequency channel or offset to the average power in the transmitted frequency channel It may be expressed as the ratio of the integrated signal power in the adjacent channel to the integrated signal power in the main channel After configuring test parameters as described in the Configuring test parameters on page 389 your me...

Страница 399: ... key to set the starting center frequency Enter a value by using the numeric keys You can also use the rotary knob Select the unit GHz MHz kHz or Hz Press the Highest Frequency soft key to set the stopping center frequency Enter a value by using the numeric keys You can also use the rotary knob Select the unit GHz MHz kHz or Hz To set the channel number complete the following steps Toggle the Unit...

Страница 400: ... setup Procedure 1 Press the MEASURE SETUP hot key 2 To set up the range table and frequency range press the Range Table soft key and then complete the following steps Press the Range soft key and then enter the range number to add a new range or change an existing one Press the Enter soft key Press the Start Frequency soft key to set up the frequency range Enter a value by using the numeric keys ...

Страница 401: ...he Measure Type soft key between Examine and Full to select the measurement type NOTE The Examine mode displays only the selected range while the Full mode lets the instrument automatically changes the selected range from one another 8 Set the number of measurements to be averaged Press the Average soft key Enter a value between 1 and 100 Press the Enter soft key After configuring test parameters ...

Страница 402: ... page 35 for more information Conducting power vs time measurements The Power vs Time Idle Slot and Active Slot in EV DO Signal Analyzer verifies that the transmitter output power has correct amplitude shape and timing for the EV DO format Idle Slot Slot with no data in traffic channel Active Slot Slot with the loaded data in traffic channel Forward link of 1xEV DO is a frame structure and each fr...

Страница 403: ...e Power vs Time Active Slot measurement includes the Pilot MAC and Data channels with the upper and lower masks After configuring test parameters as described in the Configuring test parameters on page 389 your measurement result is displayed on the screen as like the following example Figure 240 Figure 240 Power vs time active slot measurement with EV DO signal analyzer NOTE You can use the LIMIT...

Страница 404: ...serve some aspects of modulation accuracy and can reveal certain fault mechanisms such as I Q amplitude imbalance or quadrature imbalance It displays constellation diagram by modulation types Setting measure setup After configuring test parameters as described in the Configuring test parameters on page 389 you can continue your measurement The measurement settings can be saved and recalled as a fi...

Страница 405: ...e your measurements with the user definable limit and Pass Fail indication See Setting limit for modulation tests on page 412 for more information The Max Inactive is not used in the Constellation mode Measurement example Figure 241 Constellation measurement with EV DO signal analyzer 1 Composite 64 2 Composite 128 ...

Страница 406: ...Chapter 11 Using EV DO Signal Analyzer JD700B Series User s Guide 405 3 Pilot 4 MAC 64 5 MAC 128 ...

Страница 407: ...tion software to configure a measure setup save as a file and load the file on to the instrument Procedure 1 Press the MEASURE SETUP hot key 2 To set the Pseudo Noise PN offset complete the following steps Toggle the PN Offset soft key between Auto and Manual Enter a value by using the numeric keys to set manually Press the Enter soft key 3 To set the incremental step for the PN offset complete th...

Страница 408: ...e information NOTE You can use the LIMIT hot key to analyze your measurements with the user definable limit and Pass Fail indication for the Max Inactive See Setting limit for modulation tests on page 412 for more information Measurement example Figure 242 Code domain power measurement with EV DO signal analyzer 1 Pilot 2 MAC 64 ...

Страница 409: ...hat a post analysis can be done with the application software JDViewer Setting measure setup After configuring test parameters as described in the Configuring test parameters on page 389 you can continue your measurement The measurement settings can be saved and recalled as a file You can also use JDViewer PC application software to configure a measure setup save as a file and load the file on to ...

Страница 410: ...s Press the Time Interval soft key Enter a value by using the numeric keys Press the Enter soft key 7 To place the time cursor to analyze your measurements complete the following steps Toggle the Time Cursor soft key between On and Off to enable or disable the time cursor Enter a value by using the numeric keys Press the Enter soft key NOTE When the time cursor is enabled the measurement is put on...

Страница 411: ...r soft key 3 To set the incremental step for the PN offset complete the following steps Press the PN Increment soft key Enter a value by using the numeric keys Press the Enter soft key 4 To set the threshold between Auto and Manual complete the following steps Press the Threshold soft key Its default setting is 27 dB Enter a value between 50 and zero by using the numeric keys to change the value i...

Страница 412: ... file and load the file on to the instrument Procedure 1 Press the MEASURE SETUP hot key 2 To set the Pseudo Noise PN offset complete the following steps Toggle the PN Offset soft key between Auto and Manual Enter a value by using the numeric keys to set manually Press the Enter soft key 3 To set the incremental step for the PN offset complete the following steps Press the PN Increment soft key En...

Страница 413: ...the test item s and set the limit s depending on your selected measurement mode To set the limit for Select Set Frequency error Frequency Error High Limit Low Limit Time offset Time Offset High Limit Low Limit Carrier feed through Carrier Feed Through High Limit Highest level among inactive channels Max Inactive High Limit Waveform quality Rho for pilot Pilot Rho Low Limit Waveform quality Rho for...

Страница 414: ...s the LIMIT hot key 2 Press the RF Test Limits soft key and then enable test limits as desired 3 Press the PvsT Test Limits soft key and then enable test limits as desired 4 Press the Modulation Test Limits soft key and then enable test limits as desired 5 Optional You can enable alarm sound that goes off if the measurement falls outside of the limit Toggle the Beep soft key between On and Off to ...

Страница 415: ... perform functions as you desire See Using save on page 35 for more information 8 Press the Run Test soft key to start to run a test The Auto Measure Results window appears at the end of the test 9 To stop running the test press the Abort soft key 10 To change the view on the screen during the test press the Display and then select the view option from the following choices Screen You can view eac...

Страница 416: ...ess the MEASURE SETUP hot key 2 Press the CCDF Length soft key to set the length of the CCDF 3 Enter a value between 1 and 100 by using the numeric keys You can also use the rotary knob 4 Press the Enter soft key Measurement example Figure 246 CCDF measurement with EV DO signal analyzer Conducting EV DO OTA measurements This Over The Air OTA measurement has channel scanner PN scanner multipath pro...

Страница 417: ... keys You can also use the rotary knob Select the unit GHz MHz kHz or Hz 8 To add more channels to be scanned repeat steps 3 6 9 Press the ESC hard key to dismiss the channel list window and view the scanning result To set the frequencies to be scanned 1 Press the FREQ DIST hard key 2 Toggle the Unit soft key and select Freq 3 Press the Index soft key and then enter an index number between one and...

Страница 418: ...he dBm unit soft key 4 Toggle the Limit Line soft key between On and Off to display or dismiss the limit line 5 Optional You can enable alarm sound that goes off if the measurement falls outside of the limit Toggle the Beep soft key between On and Off to enable or disable the beep sound 6 Optional Go to SAVE LOAD Save and then select Limit to save the limit settings See Using save on page 35 for m...

Страница 419: ... enables you to determine RF environmental conditions of testing area It indicates the amount of power of the dominant pilot signal that is dispersed outside the main correlation peak due to multipath echoes that are expressed in dB This value should be very small ideally The multipath profile is the result of portions of the original broadcast signal arriving at the receiving antenna out of phase...

Страница 420: ...ed as such on the display Once the channels are decoded the analyzer determines the power of each channel relative to the total signal power This measurement helps to verify that each code channel is operating at its proper level and helps to identify problems throughout the transmitter design from the coding to the RF section System imperfections such as the non linearity of amplifiers will prese...

Страница 421: ...key 5 Toggle the MAC soft key and select the MAC Walsh code option 64 or 128 6 Press the Detect Mode soft key and then select the detection mode option Auto QPSK 8PSK 16 QAM or 64 QAM 7 To set the threshold for pilot dominance complete the following steps Press the Pilot Dominance soft key Enter a value by using the numeric keys Press the Enter soft key NOTE Recommended value is 10 Color of the Pi...

Страница 422: ...Plug in your USB drive that has a floor map or mcf file type created in JDMapCreator If the JDMapCreator application on your computer is connected to the instrument via USB or LAN you can send a map file with a single layer to the instrument directly by using the Send to EQP menu in JDMapCreator NOTE The JDMapCreator converts and resizes any scanned floor plan or layout to fit onto your instrument...

Страница 423: ...directly on the screen or press the ENTER hard key to collect data and plot points on the loaded map for the Position setting NOTE For the Position setting you can change the direction of the route with the arrow keys and the distance with the rotary knob 10 Toggle the Plot soft key and select Stop to stop plotting 11 Press the SAVE LOAD hot key to save the result See Using save on page 35 for mor...

Страница 424: ... view a specific area of interest in detail Procedure 1 Press the TRACE DISPLAY hard key 2 Press the Map Control soft key This key is active only when you have loaded a sizable map 3 Do one of the following To zoom into an area of interest directly complete the following steps Toggle the Zoom to soft key and select Area The black rectangle appears on the map Press the Zoom In and Zoom Out soft key...

Страница 425: ...ing the four arrow keys as you need 4 To set the location mode toggle the Location Mode soft key between Auto and Manual and select the one you desire Auto The instrument compares the coordinates of the displayed map with recevied GPS information If your current location goes out of the displayed area and enters into the next zoomed in section within the base map the map display changes automatica...

Страница 426: ...opics discussed in this chapter are as follows Introduction 426 Display overview 427 Connecting a cable 427 Selecting measurement mode 429 Configuring test parameters 429 Conducting spectrum measurements 433 Conducting RF measurements 435 Conducting power vs time measurements 442 Conducting modulation measurements 448 Performing auto measurements 455 Conducting TD SCDMA OTA measurements 457 ...

Страница 427: ...strument automatically makes standard defined measurements using the measurement methods and limits as defined in the standard The detailed results allow you to analyze TD SCDMA HSDPA system performance You may alter the measurement parameters for specialized analysis Pass Fail testing with standard defined or user defined upper and lower limits and the Pass Fail indictor help you to determine bas...

Страница 428: ...iptions for each segment of the measurement screen Figure 252 TD SCDMA signal analyzer measurement screen Connecting a cable Direct connection Procedure 1 Connect the Spectrum Analyzer RF In port of the JD700B series and the Power amplifier output port of BTS Figure 253 Direct connection JD785B JD745B JD788B JD748B ...

Страница 429: ...16 W for JD780B series and 20 dBm 0 1 W for JD740B series If the level of the input signal to be measured is greater than this use a High Power Attenuator to prevent damage when you directly connect the signal to the instrument or connect the signal from the coupling port of a directional coupler Over the air OTA Procedure 1 Connect an Omni directional RF antenna to the Spectrum Analyzer RF In por...

Страница 430: ...yzer or Route Map Configuring test parameters Setting frequency You can set the frequency with either frequency or channel number If a frequency to be set matches to the frequency corresponding to the selected channel standard the instrument calculates its channel number and updates the screen with it automatically Procedure To set the center frequency 1 Press the FREQ DIST hard key 2 Toggle the U...

Страница 431: ... attenuation level 1 Press the AMP SCALE hard key 2 Press the Auto Scale soft key Each time you press this key both of the Y axis scale and input attenuation level change to be optimized with some margin To set the reference or attenuation level manually 1 Press the AMP SCALE hard key 2 To set the maximum reference value on the Y axis manually complete the following steps Press the Reference Level...

Страница 432: ...lect More 1 2 Scale Div 3 Enter a value between 1 and 20 by using the numeric keys 4 Press the dB soft key to complete the entry Pre amplifier You can turn the internal pre amplifier on to correct and compensate for the gain of the preamp so that amplitude readings show the value at the input connector Procedure 1 Press the AMP SCALE hard key 2 Toggle the Preamp soft key and select On or Off as ne...

Страница 433: ...a value between 1 and 100 as needed by using the numeric keys 4 Press the Enter soft key Setting sweep mode The default setting is Continue to sweep continuously for most on going measurements If you want to hold the measurement or get a single sweep you can change the sweep mode Procedure To select the single sweep mode 1 Press the SWEEP hot key 2 Toggle the Sweep Mode soft key and select Single ...

Страница 434: ...ernal External 10 MHz External 13 MHz External 15 MHz or GPS Table 19 External reference indicators Type Indicator Description Internal green The green INT icon indicates that the instrument uses the built in internal time base External green The green EXT icon indicates that an external reference is connected and locked and that the instrument uses the same reference clock as the signal source Ex...

Страница 435: ... the screen as like the following example Figure 257 Figure 257 Spectrum measurement screen with TD SCDMA signal analyzer Setting trace You can display up to six traces on the measurement chart simultaneously Procedure 1 Press the TRACE DISPLAY hard key 2 Press the Select Trace soft key and then select the trace number T1 T2 T3 T4 T5 or T6 The legend shape of the selected trace changes from square...

Страница 436: ...ess the T1 T2 T5 or T2 T1 T6 soft key The result is overlaid on the screen along with the second Y axis Conducting RF measurements Channel power The Channel Power measurement determines the average power of an RF signal burst at or above a specified threshold value The purpose of the Channel Power measurement is to determine the power delivered to the antenna system on the RF channel under test Th...

Страница 437: ...s 99 of the transmitted power among total transmitted power Setting measure setup After configuring test parameters as described in the Configuring test parameters on page 429 you can continue your measurement Procedure 1 Press the MEASURE SETUP hot key 2 Press the Slot Number soft key and then select the time slot number to be displayed TS0 TS1 TS2 TS3 TS4 TS5 or TS6 3 Optional To set the delay c...

Страница 438: ...useful figures of merit for the spectral re growth and emissions produced by components and circuit blocks without the rigor of performing a full SEM measurement The SEM measures spurious signal levels in up to five pairs of offset or region frequencies and relates them to the carrier power Setting measure setup After configuring test parameters as described in the Configuring test parameters on p...

Страница 439: ...el Leakage power Ratio ACLR measures the amount of interference or power in an adjacent frequency channel according to the standards Setting measure setup After configuring test parameters as described in the Configuring test parameters on page 429 you can continue your measurement Procedure 1 Press the MEASURE SETUP hot key 2 Press the Slot Number soft key and then select the time slot number to ...

Страница 440: ...e 429 you can continue your measurement Procedure 1 Press the MEASURE SETUP hot key 2 To set the frequency do one of the following To set the center frequency complete the following steps Toggle the Unit soft key and select Freq Press the Lowest Frequency soft key to set the starting center frequency Enter a value by using the numeric keys You can also use the rotary knob Select the unit GHz MHz k...

Страница 441: ...e unwanted emissions immediately outside the channel bandwidth resulting from the modulation process and non linearity in the transmitter but excluding spurious emissions The Spurious Emissions measurement is to identify and determine the power level of out of band spurious emission within the necessary channel bandwidth and modulated signal measured at the RF port of the Base Station Setting meas...

Страница 442: ...able 3 Toggle the Measure Type soft key between Examine and Full to select the measurement type NOTE The Examine mode displays only the selected range while the Full mode lets the instrument automatically changes the selected range from one another 4 To set the number of measurements to be averaged complete the following steps Press the Average soft key Enter a value between 1 and 100 and then pre...

Страница 443: ... amplitude profile and timing of the burst signal and provides a time mask for the signal It measures the mean transmit power during the useful part of TD SCDMA bursts and verifies that the power ramp fits within the defined mask TD SCDMA is a Time Division Multiple Access TDMA scheme with seven time slots or bursts per RF channel and by using the Multi Slot function up to seven slots in a frame c...

Страница 444: ... TD SCDMA specification and determines Scrambling Code Number by using the sync sequence number while the Full does from 0 to 127 fully To select how to determine the Midamble spread factor estimation either in full or maximum power search toggle the Mid SF Map soft key and select Max or Spec NOTE The Max determines the spread factor of the Midamble by using the maximum power of the received Midam...

Страница 445: ... set the delay complete the following steps Press the Delay soft key to set the amount of delay in µs Enter a value by using the numeric keys You can also use the rotary knob Press the µs soft key NOTE The Delay setting is used only when there is a time offset in the signals to be measured 6 Optional Press the Miscellaneous soft key and then do the following as needed To select how to determine sc...

Страница 446: ...oft key and then select the time slot number to be displayed TS0 TS1 TS2 TS3 TS4 TS5 or TS6 3 Press the Spread Factor soft key and then select the spread factor option DL Auto for auto detection of downlink UL Auto for auto detection of uplink SF1 SF2 SF4 SF8 or SF16 4 To set the number of maximum users complete the following steps Press the Max Users soft key Enter a value up to 16 by using the n...

Страница 447: ...tion Auto QPSK 8PSK QPSK 8PSK 16 QAM or 64 QAM Measurement example Figure 266 Power vs time mask measurement with TD SCDMA signal analyzer NOTE You can use the LIMIT hot key to analyze your measurements with the user definable limit and Pass Fail indication See Setting limit for power vs time tests on page 448 for more information The DwPTS Power and UpPTS Power are not used in the power vs time m...

Страница 448: ...Delay soft key to set the amount of delay in µs Enter a value by using the numeric keys You can also use the rotary knob Press the µs soft key NOTE The Delay setting is used only when there is a time offset in the signals to be measured To select how to determine scrambling estimation toggle the Scramble soft key and select Spec or Full NOTE The Spec searches Sync Sequence Number from 0 to 31 base...

Страница 449: ...imit 4 Optional You can enable alarm sound that goes off if the measurement falls outside of the limit Toggle the Beep soft key between On and Off to enable or disable the beep sound 5 Optional Go to SAVE LOAD Save and then select Limit to save the limit settings See Using save on page 35 for more information Conducting modulation measurements TD SCDMA receivers rely on the frequency or phase qual...

Страница 450: ... using the numeric keys and then press the Enter soft key 6 Optional Press the Miscellaneous soft key and then do the following as needed To set the delay complete the following steps Press the Delay soft key to set the amount of delay in µs Enter a value by using the numeric keys You can also use the rotary knob Press the µs soft key NOTE The Delay setting is used only when there is a time offset...

Страница 451: ...d load the file on to the instrument Procedure 1 Press the MEASURE SETUP hot key 2 Toggle the Scramble soft key and select Auto or Manual to set the scramble code automatically or manually 3 Press the Slot Number soft key and then select the time slot number to be displayed TS0 TS1 TS2 TS3 TS4 TS5 or TS6 4 Press the Spread Factor soft key and then select the spread factor option DL Auto for auto d...

Страница 452: ...ng the maximum power of the received Midamble while the Spec searches Default Midamble Allocation based on the TD SCDMA specification To select the detect mode press the Detect Mode soft key and then select the option Auto QPSK 8PSK QPSK 8PSK 16 QAM or 64 QAM To set the relative threshold complete the following steps Press the Threshold soft key Its default setting is 27 dB Enter a value between 5...

Страница 453: ...use the rotary knob Press the µs soft key NOTE The Delay setting is used only when there is a time offset in the signals to be measured To select how to determine scrambling estimation toggle the Scramble soft key and select Spec or Full NOTE The Spec searches Sync Sequence Number from 0 to 31 based on the TD SCDMA specification and determines Scrambling Code Number by using the sync sequence numb...

Страница 454: ...o the instrument Procedure 1 Press the MEASURE SETUP hot key 2 Toggle the Scramble soft key and select Auto or Manual to set the scramble code automatically or manually 3 Press the Slot Number soft key and then select the time slot number to be displayed TS0 TS1 TS2 TS3 TS4 TS5 or TS6 4 Press the Spread Factor soft key and then select the spread factor option DL Auto for auto detection of downlink...

Страница 455: ...pread factor of the Midamble by using the maximum power of the received Midamble while the Spec searches Default Midamble Allocation based on the TD SCDMA specification To select the detect mode press the Detect Mode soft key and then select the option Auto QPSK 8PSK QPSK 8PSK 16 QAM or 64 QAM To set the relative threshold complete the following steps Press the Threshold soft key Its default setti...

Страница 456: ...lecting a menu in the instrument or by running a programmed scenario in the PC based application so that the instrument automatically configure and perform tests on every aspect of all the carriers Setting limit You can set test limits for test item s in the auto measurement Procedure 1 Press the LIMIT hot key 2 Press the RF Test Limits soft key and then enable test limits as desired 3 Press the P...

Страница 457: ...ft key and select On Enter a value by using the numeric keys and then press the dB soft key 7 To save your settings and results go to SAVE LOAD Save and then perform functions as you desire See Using save on page 35 for more information 8 Press the Run Test soft key to start to run a test The Auto Measure Results window appears at the end of the test 9 To stop running the test press the Abort soft...

Страница 458: ... the Miscellaneous soft key Press the Delay soft key to set the amount of delay in µs Enter a value by using the numeric keys You can also use the rotary knob Press the µs soft key NOTE The Delay setting is used only when there is a time offset in the signals to be measured 4 Optional Go to SAVE LOAD Save and then select the save option from the choices available for your measurement mode See Usin...

Страница 459: ...VE LOAD Save and then select the save option from the choices available for your measurement mode See Using save on page 35 for more information Measurement example Figure 273 Sync DL ID vs Tau measurement with TD SCDMA OTA signal analyzer Sync DL ID multipath Setting measure setup After configuring test parameters as described in the Configuring test parameters on page 429 you can continue your m...

Страница 460: ...in the Configuring test parameters on page 429 you can continue your measurement Procedure 1 Press the MEASURE SETUP hot key 2 Toggle the Sync DL ID soft key and select Auto or Manual to set the Sync Downlink ID automatically or manually 3 Optional To select the delay complete the following steps Press the Miscellaneous soft key Press the Delay soft key to set the amount of delay in µs Enter a val...

Страница 461: ...ft key and then enter a value for the upper threshold Press the ppm soft key Press the Low Limit soft key and then enter a value for the lower threshold Press the ppm soft key 4 Optional You can enable alarm sound that goes off if the measurement falls outside of the limit Toggle the Beep soft key between On and Off to enable or disable the beep sound 5 Optional Go to SAVE LOAD Save and then selec...

Страница 462: ...le the Screen Mode soft key between Map and Full NOTE With the Map setting you can view only the collected points that can be seen within the boundary of the loaded map If a point is off the map the instrument displays an arrow to indicate the direction of the current location on the map and the distance from the center to the location at the top of the screen With the Full setting you can view al...

Страница 463: ...s the Fair soft key to set its threshold 9 Enter a value and then press the Enter soft key You can also use the rotary knob 10 Press the Poor soft key to set its threshold 11 Enter a value and then press the Enter soft key You can also use the rotary knob 12 Optional Go to SAVE LOAD Save and then select Limit to save the limit settings See Using save on page 35 for more information Measurement exa...

Страница 464: ...he center of the rotary knob to zoom into the selected area You can also press the Zoom to soft key again to zoom into the selected area To zoom into the center or zoom out from the center complete the following steps Toggle the Zoom to soft key and select Center Press the Zoom In and Zoom Out soft keys as you need to zoom in and zoom out Move the zoomed in area by using the four arrow keys as you...

Страница 465: ...chapter are as follows Introduction 465 Display overview 466 Connecting a cable 466 Selecting measurement mode 468 Configuring test parameters 468 Conducting spectrum measurements 472 Conducting RF measurements 474 Conducting power vs time frame measurements 480 Conducting modulation measurements 482 Performing auto measurements 489 Performing power statistics CCDF measurements 490 Conducting Mobi...

Страница 466: ...ndards providing a simple Pass Fail indication on each test IEEE 802 16e 2005 WiBro Korean Mobile WiMAX OFDMA Service This instrument provides the following measurement tools for Mobile WiMAX system Spectrum Analysis RF Analysis Channel Power Occupied Bandwidth Spectrum Emission Mask Spurious Emissions Power vs Time Frame Modulation Analysis Constellation Spectral Flatness EVM vs Subcarrier EVM vs...

Страница 467: ...iptions for each segment of the measurement screen Figure 277 Mobile WiMAX signal analyzer measurement screen Connecting a cable Direct connection Procedure 1 Connect the Spectrum Analyzer RF In port of the JD700B series and the Power amplifier output port of BTS Figure 278 Direct connection JD785B JD745B JD788B JD748B ...

Страница 468: ... 316 W for JD780B series and 20 dBm 0 1 W for JD740B series If the level of the input signal to be measured is greater than this use a High Power Attenuator to prevent damage when you directly connect the signal to the instrument or connect the signal from the coupling port of a directional coupler Over the air OTA Procedure 1 Connect an Omni directional RF antenna to the Spectrum Analyzer RF In p...

Страница 469: ...test parameters Setting frequency You can set the frequency with either frequency or channel number If a frequency to be set matches to the frequency corresponding to the selected channel standard the instrument calculates its channel number and updates the screen with it automatically Procedure To set the center frequency 1 Press the FREQ DIST hard key 2 Toggle the Unit soft key and select Freq 3...

Страница 470: ...AMP SCALE hard key 2 Press the Auto Scale soft key Each time you press this key both of the Y axis scale and input attenuation level change to be optimized with some margin To set the reference or attenuation level manually 1 Press the AMP SCALE hard key 2 To set the maximum reference value on the Y axis manually complete the following steps Press the Reference Level soft key Enter a value by usin...

Страница 471: ...Press the dB soft key to complete the entry Pre amplifier You can turn the internal pre amplifier on to correct and compensate for the gain of the preamp so that amplitude readings show the value at the input connector Procedure 1 Press the AMP SCALE hard key 2 Toggle the Preamp soft key and select On or Off as needed NOTE You can turn the Preamp on when the input attenuation range is from 0 dB to...

Страница 472: ...e To select the single sweep mode 1 Press the SWEEP hot key 2 Toggle the Sweep Mode soft key and select Single You can also use the HOLD hot key The letter HOLD in red appears and the sweeping is paused 3 Optional Press the Sweep Once soft key to get a new measurement To return to the continuous sweep mode 1 Toggle the Sweep Mode soft key and select Continue You can also use the HOLD hot key The l...

Страница 473: ...e reference clock as the signal source External red The red EXT icon indicates that an external reference is connect but not locked GPS green The green GPS antenna icon indicates that a GPS antenna is connected and locked GPS yellow The yellow GPS antenna icon indicates that a GPS antenna is connected and locking is in progress GPS grey The grey GPS antenna icon indicates that a GPS antenna is not...

Страница 474: ...he Enter soft key Press the UL Symbols soft key to set the number of uplink symbols Enter a value by using the numeric keys and then press the Enter soft key 3 Optional To set the delay complete the following steps Press the Delay soft key to set the amount of delay in µs Enter a value by using the numeric keys You can also use the rotary knob Press the µs soft key NOTE The Delay setting is used o...

Страница 475: ...wo traces T1 and T2 you can perform trace math To view the power difference between the traces press the T1 T2 T5 or T2 T1 T6 soft key The result is overlaid on the screen along with the second Y axis Conducting RF measurements Channel power The Channel Power measurement is a common test used in the wireless industry to measure the total transmitted power of a radio within a defined frequency chan...

Страница 476: ...er soft key Press the UL Symbols soft key to set the number of uplink symbols Enter a value by using the numeric keys and then press the Enter soft key 3 Optional To set the delay complete the following steps Press the Delay soft key to set the amount of delay in µs Enter a value by using the numeric keys You can also use the rotary knob Press the µs soft key NOTE The Delay setting is used only wh...

Страница 477: ... RTG soft key to set the transmit receive transition gap between the last sample of the downlink burst and the first sample of the subsequent uplink burst Enter a value by using the numeric keys and then press the Enter soft key Press the CP Ratio soft key and then select the cyclic prefix ratio option 1 4 1 8 1 16 or 1 32 Press the DL Symbols soft key to set the number of downlink symbols Enter a...

Страница 478: ...onfig soft key and then do the following Press the Bandwidth soft key and then select the nominal channel bandwidth to be measured from the following choices 7 MHz 8 7 Sets the channel bandwidth to 7 MHz with sampling factor 8 7 In conjunction with nominal channel bandwidth 8 75 MHz 8 7 Sets the channel bandwidth to 8 75 MHz with sampling factor 8 7 10 MHz 28 25 Sets the channel bandwidth to 10 MH...

Страница 479: ... Enter a value by using the numeric keys and then press the Enter soft key Measurement example Figure 285 SEM measurement with Mobile WiMAX signal analyzer NOTE You can use the LIMIT hot key to analyze your measurements with the user definable limit and Pass Fail indication See Setting limit for RF tests on page 480 for more information Spurious emissions Out of band emissions are unwanted emissio...

Страница 480: ... VBW value Press the PREV hard key Toggle the Range soft key and select On to display the selected range in the result table or Off to hide it from the table 3 Toggle the Measure Type soft key between Examine and Full to select the measurement type NOTE The Examine mode displays only the selected range while the Full mode lets the instrument automatically changes the selected range from one anothe...

Страница 481: ...arameters as described in the Configuring test parameters on page 468 you can continue your measurement The measurement settings can be saved and recalled as a file Procedure 1 Press the MEASURE SETUP hot key 2 Press the System Config soft key and then do the following Press the Bandwidth soft key and then select the nominal channel bandwidth to be measured from the following choices 7 MHz 8 7 Set...

Страница 482: ...ry knob Press the µs soft key NOTE The Delay setting is used only when there is a time offset in the signals to be measured To select the detect mode press the Detect Mode soft key and then select the option Auto QPSK 16 QAM or 64 QAM Setting limit for power vs time tests Procedure 1 Press the LIMIT hot key 2 Press the PvsT Test Limits soft key 3 Select the test item s and set the limit s To set t...

Страница 483: ...ve as a file and load the file on to the instrument Procedure 1 Press the MEASURE SETUP hot key 2 Press the System Config soft key and then do the following Press the Bandwidth soft key and then select the nominal channel bandwidth to be measured from the following choices 7 MHz 8 7 Sets the channel bandwidth to 7 MHz with sampling factor 8 7 In conjunction with nominal channel bandwidth 8 75 MHz ...

Страница 484: ...e downlink zone press the DL Zone soft key and then select the permutation zone option Auto PUSC for partial usage of subcarrier channels FUSC for full usage of subcarrier channels or AMC2X3 for adaptive modulation and coding NOTE The permutation zone that is a number of contiguous OFDMA symbols in downlink that use the same permutation The DL subframe may contain more than one permutation zone Th...

Страница 485: ...the cyclic prefix ratio option 1 4 1 8 1 16 or 1 32 Press the DL Symbols soft key to set the number of downlink symbols Enter a value by using the numeric keys and then press the Enter soft key Press the UL Symbols soft key to set the number of uplink symbols Enter a value by using the numeric keys and then press the Enter soft key 3 To set the start stop symbols complete the following steps Press...

Страница 486: ...Configuring test parameters on page 468 you can continue your measurement The measurement settings can be saved and recalled as a file You can also use JDViewer PC application software to configure a measure setup save as a file and load the file on to the instrument Procedure 1 Press the MEASURE SETUP hot key 2 Press the System Config soft key and then do the following Press the Bandwidth soft ke...

Страница 487: ...arch Type soft key and select Full or Window 6 Optional Press the Miscellaneous soft key and then do the following as needed To select the detect mode press the Detect Mode soft key and then select the option Auto QPSK 16 QAM or 64 QAM To select the downlink zone press the DL Zone soft key and then select the permutation zone option Auto PUSC for partial usage of subcarrier channels FUSC for full ...

Страница 488: ...y to set the transmit receive transition gap between the last sample of the downlink burst and the first sample of the subsequent uplink burst Enter a value by using the numeric keys and then press the Enter soft key Press the CP Ratio soft key and then select the cyclic prefix ratio option 1 4 1 8 1 16 or 1 32 Press the DL Symbols soft key to set the number of downlink symbols Enter a value by us...

Страница 489: ...re information The Spectral Flatness and Frequency Error are not used in the EVM vs Subcarrier mode Setting limit for modulation tests Procedure 1 Press the LIMIT hot key 2 Press the Modulation Test Limits soft key to set the limits 3 Select the test item s and set the limit s depending on your selected measurement mode To set the limit for Select Set Spectral flatness Spectral Flatness On Off Fre...

Страница 490: ... falls outside of the limit Toggle the Beep soft key between On and Off to enable or disable the beep sound 6 Optional Go to SAVE LOAD Save and then select Limit to save the limit settings See Using save on page 35 for more information Setting measure setup After configuring test parameters as described in the Configuring test parameters on page 468 you can continue your measurement The measuremen...

Страница 491: ... progresses Results You can view a measurement result table as the test progresses Settings You can view a measurement setting table as the test progresses Setting display After completion of the auto measurement the screen menu changes to Trace Display so that you can view the results in different forms Procedure 1 Toggle the Display soft key and select the display option Result You can view the ...

Страница 492: ...rm neighbor cells existence The multipath profile graph helps the user to determine testing area s RF environmental condition The preamble power trend shows power variations of selected preamble over time along with relative power trend for strongest preamble Preamble scanner The OTA Preamble Scanner displays the six strongest preambles to inform neighbor cells existence of testing area Preamble I...

Страница 493: ...ing the numeric keys and then press the Enter soft key Press the CP Ratio soft key and then select the cyclic prefix ratio option 1 4 1 8 1 16 or 1 32 Press the DL Symbols soft key to set the number of downlink symbols Enter a value by using the numeric keys and then press the Enter soft key Press the UL Symbols soft key to set the number of uplink symbols Enter a value by using the numeric keys a...

Страница 494: ...75 MHz with sampling factor 8 7 10 MHz 28 25 Sets the channel bandwidth to 10 MHz with sampling factor 28 25 Toggle the Frame Length soft key and select 5 ms or 10 ms Press the TTG RTG soft key to set the transmit receive transition gap between the last sample of the downlink burst and the first sample of the subsequent uplink burst Enter a value by using the numeric keys and then press the Enter ...

Страница 495: ...Press the Bandwidth soft key and then select the nominal channel bandwidth to be measured from the following choices 7 MHz 8 7 Sets the channel bandwidth to 7 MHz with sampling factor 8 7 In conjunction with nominal channel bandwidth 8 75 MHz 8 7 Sets the channel bandwidth to 8 75 MHz with sampling factor 8 7 10 MHz 28 25 Sets the channel bandwidth to 10 MHz with sampling factor 28 25 Toggle the F...

Страница 496: ... an indoor or outdoor environment and track the received signals and coverage of RF transmitters by plotting data real time directly on top of a loaded floor plan or a map Setting measure setup Procedure 1 If required connect a GPS receiver to your JD700B series for outdoor mapping Indoor mapping does not necessarily need a GPS antenna 2 Configure test parameters as described in the Configuring te...

Страница 497: ...ap for the Position setting NOTE For the Position setting you can change the direction of the route with the arrow keys and the distance with the rotary knob 8 Toggle the Plot soft key and select Stop to stop plotting 9 Press the SAVE LOAD hot key to save the result See Using save on page 35 for more information NOTE The instrument does not automatically save the collected data It is recommended t...

Страница 498: ...place it in a specific area of interest Press the center of the rotary knob to zoom into the selected area You can also press the Zoom to soft key again to zoom into the selected area To zoom into the center or zoom out from the center complete the following steps Toggle the Zoom to soft key and select Center Press the Zoom In and Zoom Out soft keys as you need to zoom in and zoom out Move the zoo...

Страница 499: ...able 500 Selecting measurement mode 501 Configuring test parameters 502 Conducting NB IoT in band spectrum measurement 506 Conducting NB IoT in band modulation analysis 507 Conducting NB IoT guard band spectrum measurement 509 Conducting NB IoT guard band spectrum emission mask SEM 510 Conducting NB IoT guard band modulation analysis 511 Conducting NB IoT standalone RF measurements 512 Conducting ...

Страница 500: ...the JD700B series can be a 4 5G solution being deployed on top of the existing LTE network The NB IoT Signal Analyzer consists of the following operation modes In Band mode Guard Band mode Standalone mode This instrument provides the following measurement tools for the NB IoT Spectrum Analysis for In Band and Guard Band Modulation Analysis RF Analysis for Standalone Channel Power Occupied Bandwidt...

Страница 501: ... the monitor test port of BTS Figure 298 Indirect connection JD785B JD745B JD788B JD748B CAUTION The maximum power for the Spectrum Analyzer RF In port is 25 dBm 0 316 W for JD780B series and 20 dBm 0 1 W for JD740B series If the level of the input signal to be measured is greater than this use a High Power Attenuator to prevent damage when you directly connect the signal to the instrument or conn...

Страница 502: ... mode is set by default 4 Select between In Band Guide Band and Standalone mode 5 Press the MEASURE hot key for In Band mode and then select the measurement mode option from the following choices Spectrum Modulation Analysis 6 Press the MEASURE hot key for Guard Band mode and then select the measurement mode option from the following choices Spectrum Spectrum Emission Mask Modulation Analysis 7 Pr...

Страница 503: ...oft key and select Channel 3 To select the standard channel complete the following steps Press the Channel Std soft key The standard channel window appears See Appendix C Band frequency channel standard on page 780 for more information Highlight the band to be measured by using the rotary knob the arrow keys or the Page Up Page Down soft keys Press the Select soft key or the rotary knob to confirm...

Страница 504: ...uation to Auto in most situations so that the level of the input attenuator can be set automatically according to your input signal level To set the input attenuation manually up to 55 dB for JD780B series or 50 dB for JD740B series to optimize S N complete the following steps Select Attenuation Manual Press the Attenuation Value soft key to set the level Enter a value in fives by using the numeri...

Страница 505: ... dB in the Spectrum mode the measurement result compensates 40 dB at both the Spectrum Analyzer and Signal Analyzer modes Procedure To set the external offset 1 Press the AMP SCALE hard key 2 Toggle the External Offset soft key and select On 3 Enter a value by using the numeric keys 4 Press the dB soft key to complete the entry To turn the external offset off 1 Press the AMP SCALE hard key 2 Toggl...

Страница 506: ...Setting external clock To enhance the reliability of modulation analysis measurements the JD700B series must be synchronized with a base station When an external clock is not supplied the instrument works with its built in internal high accuracy time base and some measurement results may exhibit inaccurate values Therefore it is highly recommended that you use the same reference clock as the signa...

Страница 507: ...based on the bandwidth you chose Procedure 1 Press the MEASURE SETUP hot key 2 To set the nominal channel bandwidth to be measured complete the following steps Press the Bandwidth soft key Select the bandwidth option from the choices 1 4 MHz 3 MHz 5 MHz 10 MHz 15 MHz or 20 MHz Setting trace You can display up to six traces on the measurement chart simultaneously Procedure 1 Press the TRACE DISPLAY...

Страница 508: ...formation display 6 Optional If you have the two traces T1 and T2 you can perform trace math To view the power difference between the traces press the T1 T2 T5 or T2 T1 T6 soft key The result is overlaid on the screen along with the second Y axis Conducting NB IoT in band modulation analysis Setting measure setup After configuring test parameters as described in the Configuring test parameters on ...

Страница 509: ...easure the I Q diagram by each channel shown on the screen complete the following steps Press the MARKER hard key Toggle the Marker View soft key and select On Press the Channel and then turn the rotary knob Your measurement result is displayed on the screen as like the following examples Note that the example measurement screens in this chapter consist of outdoor mode images or images with invert...

Страница 510: ...be measured complete the following steps Press the Bandwidth soft key Select the bandwidth option from the choices 5 MHz 10 MHz 15 MHz or 20 MHz Setting trace You can display up to six traces on the measurement chart simultaneously Procedure 3 Press the TRACE DISPLAY hard key 4 Press the Select Trace soft key and then select the trace number T1 T2 T3 T4 T5 or T6 The legend shape of the selected tr...

Страница 511: ... across the spectrum RMS The lowest value in each data point Negative Peak The center value in each data point Sample 7 Optional Select More 1 2 Trace Info and then select the trace number to view the trace s parameter setting information stored at the time of the measurement or None to hide the information display 8 Optional If you have the two traces T1 and T2 you can perform trace math To view ...

Страница 512: ...e choices 5 MHz 10 MHz 15 MHz or 20 MHz 3 To select the subframe number to be measured complete the following steps Press the Subframe No soft key Enter a value from 0 to 9 by using the numeric keys You can also use the rotary knob Press the Enter soft key NOTE You can use Subframe No soft key only if you toggle the Measure Type soft key and select Subframe 4 Press the NB IoT Center Frequency soft...

Страница 513: ...asure the total transmitted power of a radio within a defined frequency channel It acquires a number of points representing the input signal in the time domain transforms this information into the frequency domain using Fast Fourier Transform FFT and then calculates the channel power The effective resolution bandwidth of the frequency domain trace is proportional to the number of points acquired f...

Страница 514: ...easurements with the user definable limit and Pass Fail indication See Setting limit for RF tests on page 516 for more information Occupied bandwidth The Occupied Bandwidth measures the spectrum shape of the carrier It is defined as the bandwidth which includes 99 of the transmitted power among total transmitted power Measurement example Figure 307 Occupied bandwidth measurement with NB IoT Standa...

Страница 515: ... total power level within the defined carrier bandwidth and the given offset channels according to the standards Measurement example Figure 308 SEM measurement with NB IoT Standalone signal analyzer NOTE You can use the LIMIT hot key to analyze your measurements with the user definable limit and Pass Fail indication See Setting limit for RF tests on page 516 for more information ACLR The Adjacent ...

Страница 516: ...ase Station Setting measure setup After configuring test parameters as described in the Configuring test parameters on page 502 you can continue your measurement Procedure 1 Press the MEASURE SETUP hot key 2 To set up the range table and parameters press the Range Table soft key and then complete the following steps Press the Range soft key and then select the range number between 1 and 20 to add ...

Страница 517: ...hlighted bar in the result table to other range complete the following steps Press the Range soft key in the Measure Setup menu bar Enter a value between 1 and 20 and then press the Enter soft key Measurement example Figure 310 Spurious emissions measurement with NB IoT Standalone signal analyzer NOTE You can use the LIMIT hot key to analyze your measurements with the user definable limit and Pass...

Страница 518: ...guring test parameters as described in the Configuring test parameters on page 502 you can continue your measurement Procedure 1 Press the MEASURE SETUP hot key 2 Toggle the Measure Type soft key and select Frame or Subframe NOTE You can use Subframe No soft key only if you toggle the Measure Type soft key and select Subframe 3 To select Subframe No do the following steps Press the Subframe No sof...

Страница 519: ...ignal Analyzer 518 JD700B Series User s Guide Measurement example Figure 311 NB IoT Standalone Modualtion Analysis measurement screen Frame Figure 312 NB IoT Standalone Modualtion Analysis measurement screen Subframe 0 NPBCH 14 ...

Страница 520: ... 520 Display overview 520 Selecting measurement mode 521 Configuring test parameters 521 Performing calibration 523 Connecting a cable 528 Performing reflection measurements 531 Performing DTF measurements 532 Performing reflection DTF measurements 535 Performing cable loss 1 port measurements 536 Performing 1 port phase measurements 538 Performing Smith chart measurements 539 Performing 2 port ve...

Страница 521: ...nna system produces a reflective traveling wave which goes in the opposite direction from the incident wave As the two traveling waves cross each other in opposite direction it is produce an interference pattern called a standing wave VSWR is the ratio between the power sent forward to the cable and or antenna and the amount of power that is reflected back to the transmitter Some of the consequenc...

Страница 522: ... hot key and then select the measurement mode Reflection Return Loss DTF VSWR DTF Return Loss Reflection DTF Cable Loss 1 Port 1 Port Phase Smith Chart 2 Port Measurement Vector Scalar Configuring test parameters Setting frequency You can set frequencies manually using the Start Frequency Stop Frequency or Center Frequency Span You can also select from the band list stored in the instrument It is ...

Страница 523: ...2 Press the Band List soft key and then select Standard Band or Custom Band The band list window appears 3 Select a frequency band from the list and then press the Select soft key The start and stop frequency information on the screen changes according to your choice Setting distance In the DTF measurement mode you need to set the start and stop distances The maximum measurable distance is display...

Страница 524: ...s not available in the Smith Chart measurement mode Setting sweep mode The default setting is Continue to sweep continuously for most on going measurements If you want to hold the measurement or get a single sweep you can change the sweep mode Procedure To select the single sweep mode 1 Press the SWEEP hot key 2 Toggle the Sweep Mode soft key and select Single You can also use the HOLD hot key The...

Страница 525: ...rement O S L calibration using mechanical Y Cal kit Figure 314 illustrates the connection when a port extension cable is used for calibration Figure 314 1 port calibration connection with mechanical Y Cal kit Procedure 1 Press the MEASURE SETUP hot key 2 Press the Calibrate soft key The on screen instruction for the calibration appears 3 Connect the OPEN connector of the CAL Kit directly to the Re...

Страница 526: ...t port to power the e calibration kit The instrument detects the EZ Cal automatically and displays the EZ Cal icon 4 Press the MEASURE SETUP hot key 5 Press the Calibrate soft key The on screen instruction appears to guide you through the e calibration 6 Press the Continue soft key to continue calibration The calibration progress bar appears After completion the calibration status on the screen ch...

Страница 527: ... the Continue soft key to start calibration The calibration progress bar appears 5 Connect the SHORT connector of the CAL Kit directly to the Reflection RF Out port or at the end of the connected test cable 6 Press the Continue soft key to continue calibration The calibration progress bar appears 7 Connect the LOAD connector of the CAL Kit directly to the Reflection RF Out port or at the end of th...

Страница 528: ... O S L calibration is done make sure to disconnect the EZ Cal kit including its USB connection 7 Connect the Reflection RF Out port and the RF In port for the Cable and Antenna Analyzer with the test cable and the proper adapter as illustrated in Figure 317 2 8 Press the Continue soft key to continue calibration The calibration progress bar appears After completion the calibration status on the sc...

Страница 529: ...ates that the frequency setting is changed within the frequency range registered for the O S L calibration and so the calibration is still valid When the calibration status changes from ON to ON I re calibration is not necessarily required ON Q Indicates that quick calibration Quick Cal is performed It is useful only if cable length measurement is needed OFF T Indicates that the temperature regist...

Страница 530: ...put port of the system to prevent degraded performance or malfunctioning WARNING Do not attempt to connect the instrument to the antenna when there is a risk of lightning Electric shock may cause malfunction of or damage to the instrument Connecting a cable for cable loss 1 port measurements Procedure 1 Connect the one end of the cable under test to the Cable and Antenna Analyzer Reflection RF Out...

Страница 531: ... the output power for the RF Out Connecting a cable for 2 port scalar measurements Procedure 1 Connect the one end of the Thru test cable to the Cable and Antenna Analyzer Reflection RF Out port of the instrument and the other end of the cable to DUT 2 Connect the DUT to the Spectrum Analyzer RF In port of the instrument as illustrated in Figure 322 Measurement result is displayed on the screen Fi...

Страница 532: ... for a measurement will result in unnecessarily long sweep time It is recommended that you select high resolution data points only for an instance of measuring wide frequency bands or requiring precise measurement data 4 Optional To turn the bias tee on complete the following steps Toggle the Bias Tee soft key and select On Enter a value between 12 and 32 with 0 1 V step and then press the V soft ...

Страница 533: ...in meter or foot This measurement precisely pinpoints the location of such things as damaged or degraded antennas connectors amplifiers filters and duplexers Making a measurement Procedure 1 Make a proper cable connection as described in Connecting a cable for reflection DTF 1 port phase and Smith Chart measurements on page 528 2 Press the MEASURE SETUP hot key 3 Press the Data Points soft key to ...

Страница 534: ...evel of the discontinuity in a DTF measurement Toggle the Metrics soft key and select the unit option for the X axis Meter or Foot Press the Windowing soft key and then select the video filtering option Rectangular Blackman Nominal Side Lobe Low Side Lobe or Minimum Side Lobe 5 Optional To turn the bias tee on complete the following steps Toggle the Bias Tee soft key and select On Enter a value be...

Страница 535: ...yze your measurements with the user definable limit and Pass Fail indication See Setting limit for cable and antenna analyzer on page 544 for more information Figure 325 DTF measurement with the alternate sweep on NOTE You can go to MEASURE SETUP Alternate Sweep Settings to scale down a specific sub band See Setting alternate sweep on page 544 for more information ...

Страница 536: ...o select the measurement mode for the top window press the Top soft key and then select Reflection VSWR or Reflection Return Loss To select the measurement mode for the bottom window press the Bottom soft key and then select DTF VSWR or DTF Return Loss To configure DTF settings for the bottom window select Bottom DTF Settings See Performing DTF measurements on page 532 for more information To set ...

Страница 537: ...able loss 1 port measurements on page 529 2 Press the MEASURE SETUP hot key 3 Press the Data Points soft key to change the resolution of your measurement and then select the data point option 126 251 501 1001 and 2001 Changing the data point does not affect current calibration NOTE The larger number you choose the higher resolution you get and the longer the instrument takes to sweep and display r...

Страница 538: ... Cable loss 1 port measurement NOTE You can use the LIMIT hot key to analyze your measurements with the user definable limit and Pass Fail indication See Setting limit for cable and antenna analyzer on page 544 for more information Figure 328 Cable loss 1 port measurement with the zone enabled NOTE You can go to MEASURE SETUP Zoom to view your measurements in detail with the user definable zoom zo...

Страница 539: ...the instrument takes to sweep and display results Selecting the data point larger than what you need for a measurement will result in unnecessarily long sweep time It is recommended that you select high resolution data points only for an instance of measuring wide frequency bands or requiring precise measurement data 4 Optional To turn the bias tee on complete the following steps Toggle the Bias T...

Страница 540: ... Procedure 1 Make a proper cable connection as described in Connecting a cable for reflection DTF 1 port phase and Smith Chart measurements on page 528 2 Press the MEASURE SETUP hot key 3 Press the Data Points soft key to change the resolution of your measurement and then select the data point option 126 251 501 1001 and 2001 Changing the data point does not affect current calibration NOTE The lar...

Страница 541: ...cting the measurement display type as Phase Making a measurement Procedure 1 Make a proper cable connection as described in Connecting a cable for 2 port vector measurements on page 529 2 Press the MEASURE SETUP hot key 3 Press the Data Points soft key to change the resolution of your measurement and then select the data point option 126 251 501 1001 and 2001 Changing the data point does not affec...

Страница 542: ...ble or a filter 30 dBm To test an active RF device s gain such as an amplifier with JD740B series 50 30 dBm To test an active RF device s gain such as an amplifier with JD780B series You need to enter a value with an increment of 5 dBm NOTE Changing the output power to a value between 50 dBm and 30 dBm may result in reduced measurement dynamic range and re calibration is required 7 Optional To set...

Страница 543: ...larger than what you need for a measurement will result in unnecessarily long sweep time It is recommended that you select high resolution data points only for an instance of measuring wide frequency bands or requiring precise measurement data 4 Optional To set the level of the output power to be inserted complete the following steps Press the Output Power soft key Enter the following value by rot...

Страница 544: ...or T2 T1 T6 soft key NOTE The trace to be loaded must be in the same measurement mode and has the same frequency setting as the current measurement Setting zoom zones You can define up to three zoom in zones so that you can view uplink and downlink frequencies in detail on a single measurement window for compliance verification Procedure 1 Press the MEASURE SETUP hot key 2 Press the Zoom soft key ...

Страница 545: ...Press the Alternate Start Frequency soft key Enter a value by using the numeric keys You can also use the rotary knob or the arrow keys Select the unit GHz MHz kHz or Hz Press the Alternate Stop Frequency soft key Enter a value by using the numeric keys You can also use the rotary knob or the arrow keys Select the unit GHz MHz kHz or Hz 6 To set the center and span frequencies for the alternate sw...

Страница 546: ...following steps Press the Edit Limit soft key Press the Move soft key and then turn the rotary knob to select the segment to edit Select the menu option from the following choices To hide the line for the selected segment toggle the Line soft key and select Off To add a new point press the Add Point soft key To delete the selected point press the Delete Point soft key To change the position press ...

Страница 547: ...ction 547 Display overview 548 Selecting measurement mode 548 Performing layer 2 monitoring 549 Performing layer 2 term testing 551 Performing layer 2 BERT 554 Performing interference analysis 558 Performing PIM detection single and multiple carriers 586 Performing LTE FDD downlink signal analysis 590 Performing LTE TDD downlink signal analysis 617 Using signal generator 641 ...

Страница 548: ...expenses Thanks to the RFoCPRI technology you can verify the CPRI control signals and extracts the IQ data transmitted between the BBU and RRH to monitor and analyze the uplink interferences and the downlink signals The RFoCPRI testing provides following measurements and analysis Layer 2 monitoring of link maintenance alarms and optical power o Loss of Signal LOS Code violation or low optical powe...

Страница 549: ...page 791 Optical Hardware option 008 RFoCPRI Interference Analyzer options 060 065 RFoCPRI GSM Interference Analyzer option 068 RFoCPRI LTE FDD Signal Generator option 081 RFoCPRI LTE TDD Signal Generator option 082 RFoCPRI LTE FDD Multi Carrier Signal Generator option 083 RFoCPRI LTE TDD Multi Carrier Signal Generator option 084 RFoCPRI LTE FDD Signal Analyzer option 091 RFoCPRI LTE TDD Signal An...

Страница 550: ... Layer 2 Monitoring is used to monitor link maintenance alarms of the physical layer Layer 1 that is delivered on the L1 in band protocol which resides on the layer 2 of CPRI It also verifies proper optical power level of the received signal Connecting cables The monitoring mode lets you perform in service testing by using coupler s or nTap s You can connect cables with a tap or without a tap as i...

Страница 551: ...mal behavior of the RRH if the optical power is weaker than certain level To differentiate intermittent low optic power issues from any RSSI interference and signal quality issues it is important for you to monitor the input optic power level during the monitoring of the spectrum and the signal quality Using this Rx optic limit feature you can set lower and upper limits and monitor the Rx optic le...

Страница 552: ...yer 2 Term is to test CPRI fronthaul in the terminated state and it is used to monitor link maintenance alarms of the physical layer Layer 1 that is delivered on the L1 in band protocol which resides on the layer 2 of CPRI It also monitors the received optical power level In addition CellAdvisor JD700B series can emulate the Base Band Unit BBU without C M messages Once the RRH enters the operation...

Страница 553: ...d port Setting measure setup You need to set the measure setup before staring the measurement Procedure 1 Press the MEASURE SETUP hot key 2 To set the CPRI line bit rate of the fronthaul under test complete the following steps Press the Link Rate soft key Select the CPRI link rate option from 614 4 Mbps 1228 8 Mbps 2457 6 Mbps 3072 0 Mbps 4915 2 Mbps 6144 0 Mbps or 9830 4 Mbps NOTE It is important...

Страница 554: ... 10 by using the rotary knob You can also use the numeric keys and then press the Enter soft key Press the HDLC Rate soft key Select the High level Data Link Control HDLC rate option from No HDLC 240 480 960 1920 or 2400 Toggle the Eth Channel soft key between Enable and Disable Enabling the Ethernet Channel activates the Eth Subchannel Number menu Press the Eth Subchannel Number soft key Enter a ...

Страница 555: ...Check the real time results on the screen 10 Optional You can use the Save Logging Data soft key to record the event logging in the csv file format See Using save on page 35 for more information 11 To clear the previous event history and start a new testing press the MEASURE SETUP hot key and then the Clear History soft key Measurement example Figure 338 CPRI layer 2 term test Performing layer 2 B...

Страница 556: ...Setting measure setup You need to set the measure setup before staring the measurement Procedure 1 Press the MEASURE SETUP hot key 2 To set the CPRI line bit rate of the fronthaul under test complete the following steps Press the Link Rate soft key Select the CPRI link rate option from 614 4 Mbps 1228 8 Mbps 2457 6 Mbps 3072 0 Mbps 4915 2 Mbps 6144 0 Mbps or 9830 4 Mbps or select Auto if you want ...

Страница 557: ...a threshold for High Limit and Low Limit 4 To enable the Rx optic limit toggle the Test Limits soft key to On If the optic power level falls out of the specified thresholds the color of the power reading or indicator turns red 5 To disable the Rx optic limit toggle the Test Limits soft key to Off Setting BER limit You can set the BER Bit Error Rate limit and monitor it in the BERT displayed on the...

Страница 558: ...ert a code error signal complete the following steps Toggle the Error Type soft key to Code Toggle the Insert Type soft key between Single and Rate and then select the insert type option you want Single It inserts an error once and then turns off the error insertion Rate It inserts an error according to the set error rate in the Error Rate menu If you have selected Rate in step b press the Error R...

Страница 559: ...pectrum replayer dual spectrum dual spectrogram and quad spectrum You can also monitor current and history CPRI alarm status for LOS and LOF displayed on the interference measurement screen Connecting cables You can connect cables with a tap or without a tap as illustrated in Figure 341 If you have connected cables directly from RRH and BBU without using the nTap you must turn on the through mode ...

Страница 560: ...ement in any measurement modes of RFoCPRI mode Procedure 1 In any measurement mode press the MEASURE SETUP hot key 2 Toggle the Select Port soft key between Port 1 and Port 2 to select the desired port Configuring test parameters Configuration of test parameters described in this section is used in the Interference Analyzer mode including spectrum measurements spectrogram RSSI dual spectrum dual s...

Страница 561: ...n Fwd forward and Rev reverse 5 Press the Channel Number soft key 6 Enter a value by using the numeric keys or the rotary knob 7 Press the Enter soft key The instrument automatically displays the corresponding center frequency value for the selected channel number 8 Optional To define the amount of increment for rotary operation complete the following steps Press the Channel Step soft key Enter a ...

Страница 562: ... AMP SCALE hard key 2 Toggle the External Offset soft key to On 3 Enter a value by using the numeric keys 4 Press the dB soft key to complete the entry To turn the external offset off 1 Press the AMP SCALE hard key 2 Toggle the External Offset soft key to Off Enabling auto leveling It is normal that you see higher level of RSSI in CPRI spectrum than you have seen in RF spectrum because the digital...

Страница 563: ...ation for Auto Leveling will enable you to view the CPRI spectrum closer to what you can view in the RF spectrum but if you do not know the noise figure you can skip this noise figure setting 4 Press the dB soft key to complete the entry New external offset value appears in the External Offset menu box Figure 342 Before enabling Auto Leveling Figure 343 After enabling Auto Leveling ...

Страница 564: ...from the earliest Procedure 1 Press the BW AVG hard key 2 Press the Average soft key 3 Enter a value between 1 and 100 as needed by using the numeric keys 4 Press the Enter soft key Setting sweep mode In the RFoCPRI Spectrum Spectrogram and RRSI measure modes various sweep settings are available for better measurement including the sweep run mode Single Continuous and the sweep speed mode Normal F...

Страница 565: ... Clear All NOTE For the Max Hold and Min Hold your instrument compares newly acquired data with the active trace and displays larger maximum values or smaller minimum values on the screen You can set it to Unlimited to hold and view maximum or minimum data or specify a certain amount of time up to 60 seconds by using numeric keys or rotary knob 4 To select the detection option select More 1 2 Dete...

Страница 566: ...d the saved files whenever you need Procedure 1 In the Spectrum Spectrogram RSSI Dual Spectrum Dual Spectrogram or Quad Spectrum mode press the MEASURE SETUP hot key 2 Press the Map Profile List Custom The Map Profile window appears on the screen as shown in Figure 323 3 To search the map profile databased on the list scroll up and down the list using the rotary knob 4 To search the map profile da...

Страница 567: ...est parameters as needed and then press the Apply soft key The map profile is created on the map profile list 9 Optional To edit the map profiles complete the following steps Search and select a desired map profile Tap the Edit key The editing screen appears Edit the test parameters as needed To apply the charges press the Apply soft key 10 Optional To delete the map profiles complete the followin...

Страница 568: ...de you can search the map profile database and apply a desired test parameters to your current measurement Procedure 1 In the Spectrum Spectrogram RSSI Dual Spectrum Dual Spectrogram or Quad Spectrum mode press the MEASURE SETUP hot key 2 Press More 3 3 3 Press the Map Profile List System The Map Profile window appears on the screen as shown in Figure 325 4 To search the map profile databased on t...

Страница 569: ...ping on the drop down list Tap on the second drop down box in the By Field Value row The drop down list appears Select a desired keyword by tapping on the drop down list Tap the Filter key The map profiles with the keywords are listed on the screen Select a desired map profile by scrolling up and down the list using the rotary knob 7 To search the map profile database using the keyword and filters...

Страница 570: ...l bandwidth 4 To set the I and Q sample widths complete the following steps Press the IQ Sample Width soft key Enter a value between 4 and 20 by using the numeric keys or the rotary knob and then press the Enter soft key NOTE According to the CPRI specification the IQ sample width shall be between 4 and 20 bits for I and Q in the uplink and between 8 and 20 bits in the downlink 5 To set the stuffi...

Страница 571: ...Huawei Huawei UL and Huawei DL ZTE UL DL NOTE If you have selected a NEM the instrument sets the Map Postion and other releated settings automatically based on the selected NEM and you cannot edit the map position setting The pre configured information may be subject to changes at any times by NEMs 9 To set up RFoCPRI 10 1Gbps configuration AxC Mode using new Rx Parameters screen a Tap Measure Set...

Страница 572: ...Chapter 16 Performing RFoCPRI Testing JD700B Series User s Guide 571 Enhanced IQ Data Block Viewer Screen Bit Type Enhanced IQ Data Block Viewer Screen AxC Type ...

Страница 573: ... 2 To set the sound indicator complete the following steps Press the Sound Indicator soft key Toggle the Alarm Reference soft key between Marker and Line Marker Sets the active marker position as the alarm reference if you have enabled a marker on the spectrum Line Makes the limit line as the alarm reference If you have set the alarm reference to Line press the Limit Line soft key to set a thresho...

Страница 574: ...f to turn on off the interference ID NOTE The Interference ID automatically classifies interfering signals over a designated spectrum and displays a list of possible signal types corresponding to the selected signal 4 To clear current C and history H status of CPRI alarm on LOS and LOF and start a new monitoring press the MEASURE SETUP hot key and then the Clear History soft key 5 Optional Go to S...

Страница 575: ...pectrums for different map positions on the same link simultaneously If you enable the new Dual Active Trace function in the Dual Spectrum mode the instrument displays the two sweeping traces overlaid on a single chart After setting test parameters as described in the Configuring test parameters on page 559 you can perform dual spectrum measurements Procedure 1 Press the MEASURE SETUP hot key 2 To...

Страница 576: ... NOTE As shown in Figure 352 there appears Top or Bottom at the top left of the chart to indicate which window is active now Currently selected active window s trace is brought to front in its bold color while the inactive window s trace sent to back with lighter color To change the selection of the active window and trace s toggle the Active Window soft key between Top and Bottom You can also tap...

Страница 577: ...eously If you enable the new Quad Active Trace function the instrument displays the four sweeping traces overlaid on a single chart You can also monitor the two spectrograms of the selected sweeping traces using the Dual Spectrogram function in this mode After setting test parameters as described in the Configuring test parameters on page 510 you can perform the quad spectrum measurements Procedur...

Страница 578: ...ey and then toggle the Active Window soft key to desired trace number To exit the overlaid view and return to the quad spectrum view toggle the Quad Active Trace soft key to Off 5 To view the dual spectrograms of selected traces complete the following steps In the Quad Spectrum view press the More 2 3 soft key press the Dual Spectrogram soft key The Dual Trace Selection window appears Select two t...

Страница 579: ...over time and uses various colors to differentiate spectrum power levels When the directional antenna is used to receive the signal you will see a change in the amplitude of the tracked signal as you change the direction of the antenna and see a change in the Spectrogram colors The source of the signal is located in the direction that results in the highest signal strength After setting test param...

Страница 580: ...clear current C and history H status of CPRI alarm on LOS and LOF and start a new monitoring press the MEASURE SETUP hot key and then the Clear History soft key 6 Optional Go to SAVE LOAD Save and then select the save option from the choices available for your measurement mode See Using save on page 35 for more information The spectrogram shows a vertical line on the chart when the marker is enabl...

Страница 581: ...rameter settings change concurrently 5 To set the amount of time between each trace measurement complete the following steps Press the Time Interval soft key Enter a value and the press the Sec soft key 6 To set the time cursor on a specific trace position complete the following steps Toggle the Time Cursor soft key to On Press the Position soft key Turn the rotary knob to move the time cursor You...

Страница 582: ... Procedure 1 Press the MEASURE SETUP hot key 2 To set up the alarm parameters complete the following steps Press the Alarm soft key Press the Alarm at soft key and then select the marker number you want to set Press the Limit Line soft key to set a threshold for the alarm Enter a value by using the numeric keys or the rotary knob Press the dBm soft key Toggle the Alarm soft key between On and Off ...

Страница 583: ...D700B series makes it easy to view the spectrum in detail This feature is available in RFoCPRI Spectrum Spectrogram RSSI Dual Spectrum Dual Spectrogram and Quad Spectrum modes NOTE Make sure that the sweep mode is set to Normal to use the Zoom In feature Procedure 1 Press the MARKER hard key and place the marker at the frequency that you want to zoom in 2 Press the MARKER or FREQ DIST hard key 3 P...

Страница 584: ...n Toggle the Zoom In soft key to On again The display refreshes with the new marker frequency centered in the current spectrum view You will notice Zoom in Frequency at the bottom of the chart 8 To disable Zoom In toggle the Zoom In soft key to Off Figure 358 Zoomed in spectrum view in RFoCPRI interference analyzer Performing spectrum replayer The Spectrum Replayer lets you retrieve and replay rec...

Страница 585: ...e the following steps Press the Jump to Fail Index soft key Enter a value by using the numeric keys and then press the Enter soft key 9 Optional Toggle the Time Cursor soft key between On and Off to display or dismiss the time cursor on the screen This key becomes activated when you play logged data in the Spectrogram mode NOTE If you connected a USB drive do not remove it while playing to prevent...

Страница 586: ... Go to SAVE LOAD Save and then select Save Limit to save the limit settings See Using save on page 35 for more information Setting a multi segment limit line Procedure 1 Press the LIMIT hot key 2 Press the Multi Segment Line soft key for Pass Fail indication 3 Toggle the Limit soft key between Upper and Lower to select the one to be displayed 4 Set the number of segments for the selected upper or ...

Страница 587: ...you need to do is replacing the whole cable irrespective of the location of the fault Connecting cables You can connect cables with a tap or without a tap as illustrated in Figure 360 If you have connected cables directly from RRH and BBU without using the nTap you must turn on the through mode Thru in the CPRI parameter settings A SFP SFP transceiver that is connected to your JD700B series must b...

Страница 588: ...key and select Slave default 5 To turn on the through mode go to More 1 2 Thru and then toggle the Thru soft key to On To turn off toggle to Off 6 To configure Rx parameters see Configuring Rx Parameters on page 587 7 Optional To use the RF signal generator function see Using RF source in RFoCPRI testing on page 641 8 Optional To use the CPRI signal generator function see Using CPRI source on page...

Страница 589: ...s an example of test configuration for a DUT For this test configuration IQ allocation will be like this in the CPRI basic frame 6 To set the bandwidth of the downlink signal complete the following steps Press the Bandwidth soft key Select the bandwidth option from 1 4 MHz 3 MHz 5 MHz 10 MHz 15 MHz 15 MHz 4 AxC 20 MHz or 20 MHz 6 AxC The RBW range changes based on this bandwidth setting Required n...

Страница 590: ... Highlight the radio band to select by using the rotary knob Press the Select soft key Detecting PIM single and multiple carriers Procedure 1 Press the MEASURE SETUP hot key 2 Connect cables as instructed on the screen NOTE Make sure that the Tx of RRH is connected to the Rx port of SFP SFP installed in your CellAdvisor 3 Complete one of the followings To set the uplink center frequency and span t...

Страница 591: ... FDD Signal Analyzer installed with a license you can performs power and spectrum measurements as well as modulation analysis to test the proper transmitter performance of FDD LTE systems over CPRI This instrument provides the following measurement tools for FDD LTE system over CPRI Spectrum Analysis RF Analysis Channel Power Occupied Bandwidth Power vs Time Frame Modulation Analysis Constellation...

Страница 592: ...u On only Selecting measurement mode Procedure 1 Press the MEASURE hot key 2 Select Signal Analyzer LTE FDD 3 Select the downlink signal analysis mode from the following choices Spectrum RF Analysis Channel Power or Occupied BW Power vs Time Frame Modulation Analysis Constellation Data Channel Control Channel Subframe Frame Time Alignement Error or Data Allocation Map Power Statistics CCDF Selecti...

Страница 593: ...lly so that you can set the Channel Number without choosing a standard channel band from the list 3 Press the Channel Number soft key 4 Enter a value by using the numeric keys or the rotary knob 5 Press the Enter soft key The instrument automatically displays the corresponding center frequency value for the selected channel number 6 Optional To define the amount of channel increment for the rotary...

Страница 594: ...and RF analysis you can set the number of measurements to be averaged for the trace presentation A maximum of 100 times of averaging can be set When the averaging reaches to your setting a new measurement value replaces the measurement value in sequence from the earliest Procedure 1 Press the BW AVG hard key 2 Press the Average soft key 3 Enter a value between 1 and 100 as needed by using the nume...

Страница 595: ...up complete the following steps Press the AxC Group soft key Enter a value by using the numeric keys or the rotary knob Press the Enter soft key NOTE Maximum number of the AxC Group is determined by the factors of link rate sample width oversampling and signal bandwidth 4 To set the I and Q sample widths complete the following steps Press the IQ Sample Width soft key Enter a value between 4 and 20...

Страница 596: ...t key Select an NEM from the following choices None no pre configuration Ericsson Ericsson UL and Ericsson DL Alcatel Lucent UL DL Samsung UL DL Huawei Huawei UL and Huawei DL ZTE UL DL NOTE If you have selected a NEM the instrument sets the Map Postion and other releated settings automatically based on the selected NEM and you cannot edit the map position setting The pre configured information ma...

Страница 597: ...t of time Max Hold M Display the input signal s minimum response only unlimited or for a certain amount of time Min Hold m Capture the selected trace and compare traces Capture C Load a saved trace More 3 3 Load L Hide the displayed trace Trace View Off F To set Trace 1 Trace 2 and Trace 3 to Clear Write Max Hold and Min Hold only available in Dual and Quad spectrum spectrogram mode More 2 3 Trace...

Страница 598: ...he total RF power and power spectral density PSD of the signal in the LTE channel bandwidth Making a measurement Procedure 1 Press the MEASURE hot key to select the measurement mode 2 Select Signal Analyzer LTE FDD RF Analysis Channel Power 3 Configure test parameters as described in the Configuring test parameters on page 592 4 Press the MEASURE SETUP hot key and then set the following parameters...

Страница 599: ...MEASURE hot key to select the measurement mode 2 Select Signal Analyzer LTE FDD RF Analysis Occupied BW 3 Configure test parameters as described in the Configuring test parameters on page 592 4 Press the MEASURE SETUP hot key and then set the following parameters Measurement setups as described in the Setting measure setup on page 594 Rx Parameters as described in the Configuring Rx Parameters on ...

Страница 600: ...he MEASURE SETUP hot key and then set the following parameters Measurement setups as described in the Setting measure setup on page 594 Rx Parameters as described in the Configuring Rx Parameters on page 594 5 To select the subframe number to be measured complete the following steps Press the Subframe No soft key Enter a value by using the numeric keys or the rotary knob Press the Enter soft key 6...

Страница 601: ...r Conducting constellation measurement The Constellation is used to observe some aspects of modulation accuracy and can reveal certain fault mechanisms such as I Q amplitude imbalance or quadrature imbalance It displays constellation diagram by modulation types Making a measurement Procedure 1 Press the MEASURE hot key to select the measurement mode 2 Select Signal Analyzer LTE FDD Modulation Anal...

Страница 602: ... table on page 784 for OFDM parameter details by different bandwidth 3 To turn on or off the Multimedia Broadcast Multicast Service MBMS feature toggle the MBMS soft key to On or Off For proper MBMS testing you need to set Subframe No with the same PMCH subframe number If this setting is on either PMCH or PDSCH appears on the screen depending on the detected channel 4 To set the Multicast Broadcas...

Страница 603: ... test parameters as described in the Configuring test parameters on page 592 4 Press the MEASURE SETUP hot key and then set the following parameters Measurement setups as described in the Setting measure setup on page 594 Rx Parameters as described in the Configuring Rx Parameters on page 594 5 To select the subframe number to be measured complete the following steps Press the Subframe No soft key...

Страница 604: ...e the MBMS soft key to On or Off For proper MBMS testing you need to set the Subframe No with the same PMCH subframe number If this setting is on either PMCH or PDSCH appears on the screen depending on the detected channel 4 To set the Multicast Broadcast Single Frequency Network MBSFN detection automatically or manually for MBMS testing toggle the MBSFN soft key to Auto or Manual An automatically...

Страница 605: ...l indication See Setting limit for RFoCPRI signal analysis on page 616 for more information Conducting control channel measurement The Control Channel measures the constellation for the specified control channel as well as modulation accuracy of the control channel at the specified subframe Making a measurement Procedure 1 Press the MEASURE hot key to select the measurement mode 2 Select Signal An...

Страница 606: ...your measurement mode See Using save on page 35 for more information Setting other miscellaneous setups Procedure 1 To assign a antenna port number automatically or manually press the Antenna Port soft key and select the option from Auto 0 or 1 2 To select the cyclic prefix toggle the Cyclic Prefix soft key to Normal or Extended See Appendix E Cyclic prefix table on page 784 for OFDM parameter det...

Страница 607: ...ng decoded MIB and SIB1 2 information In LTE system the System Information SI that is carried over transport channel BCH or by DL SCH consists of two parts static part called MIB Master Information Block and dynamic part called SIBs System Information Blocks MIB contains important information such as system bandwidth System Frame Number SFN PHICH configuration while SIBs contain other useful infor...

Страница 608: ... Uplink bandwidth timeAlignmentTimerCommon It is used to control how long the UE should consider to be time aligned in uplink The value is in subframes CellIdentity It is a unique number used to identify each base transceiver station BTS or a sector of BTS withiin a location area code LAC if not within a GSM network NOTE Some or entire parameters may not be available depending on the system config...

Страница 609: ...sion of the I and Q order by toggling the IQ Swap soft key to On or Off 9 Optional Press the Miscellaneous soft key and then set other miscellaneous setups as described in the following section 10 Check your measurement result displayed on the screen 11 To clear current C and history H status of CPRI alarm on LOS and LOF and start a new monitoring press the MEASURE SETUP hot key and then the Clear...

Страница 610: ...f 10 To set the Control Format Indicator toggle the CFI soft key between Auto and Manual Auto Makes the instrument set the number of OFDM symbols used for transmitting PDCCHs in a subframe Manual Sets the number of OFDM symbols manually 11 To select the number of PHICH groups Ng press the PHICH Ng soft key and then select the option from 1 6 1 2 1 2 E 1 6 E 1 2 E 1 or E 2 Setting display You can u...

Страница 611: ...he following parameters Measurement setups as described in the Setting measure setup on page 594 Rx Parameters as described in the Configuring Rx Parameters on page 594 5 Toggle the Physical Cell ID soft key between Auto and Manual Auto Detects the Physical Cell ID for the LTE signal automatically Manual Sets a specific Physical Cell ID for the LTE signal manually in order to speed up the synchron...

Страница 612: ... An automatically detected or manually entered MBSFN ID appears on the screen 5 To select the PDSCH modulation type press the PDSCH Modulation Type soft key and then select the option from Auto QPSK 16 QAM 64 QAM E TM3 3 E TM3 2 E TM3 1 E TM2 E TM1 2 or E TM1 1 NOTE If two or more modulation types are used in a frame select Auto If the PDSCH uses the same modulation type in a frame or in a subfram...

Страница 613: ...rror 3 Configure test parameters as described in the Configuring test parameters on page 592 4 Press the MEASURE SETUP hot key and then set the following parameters Measurement setups as described in the Setting measure setup on page 594 Rx Parameters as described in the Configuring Rx Parameters on page 594 5 Toggle the Antenna Config soft key between Ant0 and Ant1 6 Toggle the Physical Cell ID s...

Страница 614: ...formation Conducting data allocation map measurement The Data Allocation Map function represents data allocation as a frame Making a measurement Procedure 1 Press the MEASURE hot key to select the measurement mode 2 Select Signal Analyzer LTE FDD Modulation Analysis Data Allocation Map 3 Configure test parameters as described in the Configuring test parameters on page 592 4 Press the MEASURE SETUP...

Страница 615: ...ave on page 35 for more information Setting other miscellaneous setups Procedure 1 To assign a antenna port number automatically or manually press the Antenna Port soft key and select the option from Auto 0 or 1 2 To select the cyclic prefix toggle the Cyclic Prefix soft key to Normal or Extended See Appendix E Cyclic prefix table on page 784 for OFDM parameter details by different bandwidth 3 To ...

Страница 616: ...E FDD signal analyzer Performing power statistics CCDF measurement The Power Statistics Complementary Cumulative Distribution Function CCDF measurement characterizes the power statistics of the input signal It provides PAR Peak to Average power Ratio versus different probabilities Making a measurement Procedure 1 Press the MEASURE hot key to select the measurement mode 2 Select Signal Analyzer LTE...

Страница 617: ...n the standard are set for you You can change thresholds if you desire Procedure 1 Press the LIMIT hot key 2 To set a limit for RF analysis tests press the RF Test Limits soft key and then set limits as needed depending on where you are in the measurement mode To set the limit for Select Set Channel power Channel Power High Limit Low Limit Occupied bandwidth Occupied BW High Limit 3 To set a limit...

Страница 618: ...MIMO Time Alignment Error MIMO High Limit Time error Time Error High Limit Low Limit I Q origin offset IQ Origin Offset High Limit 4 Optional You can enable alarm sound that goes off if the measurement falls outside of the limit Toggle the Beep soft key between On and Off to enable or disable the beep sound 5 Optional Go to SAVE LOAD Save and then select Limit to save the limit settings See Using ...

Страница 619: ...h Thru On Off Without nTap Thru On only Selecting measurement mode Procedure 1 Press the MEASURE hot key 2 Select Signal Analyzer LTE TDD 3 Select the downlink signal analysis mode from the following choices Spectrum RF Analysis Channel Power or Occupied BW Power vs Time Frame Modulation Analysis Constellation Data Channel Control Channel Subframe Time Alignement Error or Data Allocation Map Power...

Страница 620: ...ally so that you can set the Channel Number without choosing a standard channel band from the list 3 Press the Channel Number soft key 4 Enter a value by using the numeric keys or the rotary knob 5 Press the Enter soft key The instrument automatically displays the corresponding center frequency value for the selected channel number 6 Optional To define the amount of channel increment for the rotar...

Страница 621: ...ctrum and RF analysis you can set the number of measurements to be averaged for the trace presentation A maximum of 100 times of averaging can be set When the averaging reaches to your setting a new measurement value replaces the measurement value in sequence from the earliest Procedure 1 Press the BW AVG hard key 2 Press the Average soft key 3 Enter a value between 1 and 100 as needed by using th...

Страница 622: ...up complete the following steps Press the AxC Group soft key Enter a value by using the numeric keys or the rotary knob Press the Enter soft key NOTE Maximum number of the AxC Group is determined by the factors of link rate sample width oversampling and signal bandwidth 4 To set the I and Q sample widths complete the following steps Press the IQ Sample Width soft key Enter a value between 4 and 20...

Страница 623: ...t key Select an NEM from the following choices None no pre configuration Ericsson Ericsson UL and Ericsson DL Alcatel Lucent UL DL Samsung UL DL Huawei Huawei UL and Huawei DL ZTE UL DL NOTE If you have selected a NEM the instrument sets the Map Postion and other releated settings automatically based on the selected NEM and you cannot edit the map position setting The pre configured information ma...

Страница 624: ...ount of time Max Hold M Display the input signal s minimum response only unlimited or for a certain amount of time Min Hold m Capture the selected trace and compare traces Capture C Load a saved trace More 3 3 Load L Hide the displayed trace Trace View Off F To set Trace 1 Trace 2 and Trace 3 to Clear Write Max Hold and Min Hold only available in Dual and Quad spectrum spectrogram mode More 2 3 Tr...

Страница 625: ...he total RF power and power spectral density PSD of the signal in the LTE channel bandwidth Making a measurement Procedure 1 Press the MEASURE hot key to select the measurement mode 2 Select Signal Analyzer LTE TDD RF Analysis Channel Power 3 Configure test parameters as described in the Configuring test parameters on page 619 4 Press the MEASURE SETUP hot key and then set the following parameters...

Страница 626: ...MEASURE hot key to select the measurement mode 2 Select Signal Analyzer LTE TDD RF Analysis Occupied BW 3 Configure test parameters as described in the Configuring test parameters on page 619 4 Press the MEASURE SETUP hot key and then set the following parameters Measurement setups as described in the Setting measure setup on page 621 Rx Parameters as described in the Configuring Rx Parameters on ...

Страница 627: ... the MEASURE SETUP hot key and then set the following parameters Measurement setups as described in the Setting measure setup on page 621 Rx Parameters as described in the Configuring Rx Parameters on page 621 5 To select the subframe number to be measured complete the following steps Press the Subframe No soft key Enter a value by using the numeric keys or the rotary knob Press the Enter soft key...

Страница 628: ...zer Conducting constellation measurement The Constellation is used to observe some aspects of modulation accuracy and can reveal certain fault mechanisms such as I Q amplitude imbalance or quadrature imbalance It displays constellation diagram by modulation types Making a measurement Procedure 1 Press the MEASURE hot key to select the measurement mode 2 Select Signal Analyzer LTE TDD Modulation An...

Страница 629: ... for OFDM parameter details by different bandwidth 3 To turn on or off the Multimedia Broadcast Multicast Service MBMS feature toggle the MBMS soft key to On or Off For proper MBMS testing you need to set the Subframe No with the same PMCH subframe number If this setting is on either PMCH or PDSCH appears on the screen depending on the detected channel 4 To set the Multicast Broadcast Single Frequ...

Страница 630: ...rameters as described in the Configuring test parameters on page 619 4 Press the MEASURE SETUP hot key and then set the following parameters Measurement setups as described in the Setting measure setup on page 621 Rx Parameters as described in the Configuring Rx Parameters on page 621 5 To select the subframe number to be measured complete the following steps Press the Subframe No soft key Enter a...

Страница 631: ...e the MBMS soft key to On or Off For proper MBMS testing you need to set the Subframe No with the same PMCH subframe number If this setting is on either PMCH or PDSCH appears on the screen depending on the detected channel 4 To set the Multicast Broadcast Single Frequency Network MBSFN detection automatically or manually for MBMS testing toggle the MBSFN soft key to Auto or Manual An automatically...

Страница 632: ...l indication See Setting limit for RFoCPRI signal analysis on page 616 for more information Conducting control channel measurement The Control Channel measures the constellation for the specified control channel as well as modulation accuracy of the control channel at the specified subframe Making a measurement Procedure 1 Press the MEASURE hot key to select the measurement mode 2 Select Signal An...

Страница 633: ...urement mode See Using save on page 35 for more information Setting other miscellaneous setups Procedure 1 To assign a antenna port number automatically or manually press the Antenna Port soft key and select the option from Auto 0 or 1 2 To select the cyclic prefix toggle the Cyclic Prefix soft key to Normal or Extended See Appendix E Cyclic prefix table on page 784 for OFDM parameter details by d...

Страница 634: ...de the result of the selected channel Measurement example Figure 383 Control channel measurement with RFoCPRI LTE TDD signal analyzer NOTE You can use the LIMIT hot key to analyze your measurements with the user definable limit and Pass Fail indication See Setting limit for RFoCPRI signal analysis on page 616 for more information Conducting subframe measurement The Subframe measures the modulation...

Страница 635: ...a new monitoring press the MEASURE SETUP hot key and then the Clear History soft key 12 Optional Go to SAVE LOAD Save and then select the save option from the choices available for your measurement mode See Using save on page 35 for more information Setting other miscellaneous setups Procedure 1 To assign a antenna port number automatically or manually press the Antenna Port soft key and select th...

Страница 636: ...subframe Manual Sets the number of OFDM symbols manually 11 To select the number of PHICH groups Ng press the PHICH Ng soft key and then select the option from 1 6 1 2 1 2 E 1 6 E 1 2 E 1 or E 2 Setting display You can use the TRACE DISPLAY hard key to view the RE and RS power at a specific symbol Procedure 1 Press the TRACE DISPLAY hard key 2 Toggle the Chart soft key between On and Off to displa...

Страница 637: ...ent Error 3 Configure test parameters as described in the Configuring test parameters on page 619 4 Press the MEASURE SETUP hot key and then set the following parameters Measurement setups as described in the Setting measure setup on page 621 Rx Parameters as described in the Configuring Rx Parameters on page 621 5 Toggle the Antenna Config soft key between Ant0 and Ant1 6 Toggle the Physical Cell...

Страница 638: ...ation Conducting data allocation map measurement The Data Allocation Map function represents data allocation as a frame Making a measurement Procedure 1 Press the MEASURE hot key to select the measurement mode 2 Select Signal Analyzer LTE TDD Modulation Analysis Data Allocation Map 3 Configure test parameters as described in the Configuring test parameters on page 619 4 Press the MEASURE SETUP hot...

Страница 639: ...n page 35 for more information Setting other miscellaneous setups Procedure 1 To assign a antenna port number automatically or manually press the Antenna Port soft key and select the option Auto 0 or 1 2 To select the cyclic prefix toggle the Cyclic Prefix soft key between Normal and Extended See Appendix E Cyclic prefix table on page 784 for OFDM parameter details by different bandwidth 3 To turn...

Страница 640: ...ent with RFoCPRI LTE TDD signal analyzer Performing power statistics CCDF measurement The Power Statistics Complementary Cumulative Distribution Function CCDF measurement characterizes the power statistics of the input signal It provides PAR Peak to Average power Ratio versus different probabilities Making a measurement Procedure 1 Press the MEASURE hot key to select the measurement mode 2 Select ...

Страница 641: ...lt test limits specified in the standard are set for you You can change thresholds if you desire Procedure 1 Press the LIMIT hot key 2 To set a limit for RF analysis tests press the RF Test Limits soft key and then set limits as needed depending on where you are in the measurement mode To set the limit for Select Set Channel power Channel Power High Limit Low Limit Occupied bandwidth Occupied BW H...

Страница 642: ...rigin offset IQ Origin Offset High Limit 4 Optional You can enable alarm sound that goes off if the measurement falls outside of the limit Toggle the Beep soft key between On and Off to enable or disable the beep sound 5 Optional Go to SAVE LOAD Save and then select Limit to save the limit settings See Using save on page 35 for more information Using signal generator If your JD700B series has the ...

Страница 643: ... port If you want to use the Port 2 for this CPRI signal generation make sure to eject the module from the Port 1 2 Press the MEASURE SETUP hot key 3 To set the Tx Clock and Port Type settings correctly complete the following steps Press the Rx Parameters soft key Press the Tx Clock soft key and then select Internal Toggle the Port Type soft key to Master Press the PREV hard key to return to the M...

Страница 644: ...e screen or press the ENTER hard key 11 To adjust the gain of the waveform to be transmitted in order to prevent an overrun or underrun of the RRH complete the following steps Press the Gain soft key Enter a value between 50 00 and 0 00 Press the dB soft key or the ENTER hard key 12 To start to inject the selected signal toggle the CPRI Source soft key to On 13 To stop injecting the signal toggle ...

Страница 645: ...d RFoOBSAI LTE FDD Signal Analyzer option 096 Topics discussed in this chapter are as follows Introduction 645 Display overview 645 Selecting measurement mode 646 Performing layer 2 monitoring 646 Performing layer 2 term testing 649 Performing interference analysis 652 Performing PIM detection single and multiple carriers 664 Performing LTE FDD downlink signal analysis 668 Using signal generator 6...

Страница 646: ...shooting activities on the ground via the fiber interfaces at the BB module significantly reducing maintenance time and operational expenses Thanks to the RFoOBSAI technology you can verify the OBSAI RP3 protocol and extracts the RP3 messages transmitted between the BBU and RRU to monitor and analyze the uplink interferences and the downlink signals The RFoOBSAI testing provides following measurem...

Страница 647: ...Detection Multiple Carriers or Calculated PIM Signal Analyzer LTE FDD Spectrum RF Analysis P vs T Frame Modulation Analysis or Power Statistics CCDF Performing layer 2 monitoring The in service Layer 2 Monitoring is used to monitor link maintenance errors of the physical layer Layer 1 of the RP3 bus protocol It also verifies proper optical power levels of the received and transmitted signals Conne...

Страница 648: ...he measurement in any measurement mode of RFoOBSAI mode Procedure 1 In any measurement mode press the MEASURE SETUP hot key 2 Toggle the Select Port soft key between Port 1 and Port 2 to select the desired port Setting measure setup Procedure 1 Press the MEASURE SETUP hot key 2 Press the Link Rate soft key to set the line rate of the OBSAI RP3 interface between the BB and the RRU 3 Select the RP3 ...

Страница 649: ...g After you have set the test parameters you can monitor errors in OBSAI L2 signals Procedure 1 Monitor the following error indicators and the optical signal level Test results in green indicate no detection of errors and red ones represent occurrence s of errors LOS Loss of Signal code violation or low optical power LOF Loss of Frame frame synchronization or alignment Optic Rx Level If the optica...

Страница 650: ...of the RP3 bus protocol It also verifies proper optical power levels of received and transmitted signals Connecting cables The terminate mode allows you to do out of service testing You can connect cables with a tap or without a tap as illustrated in Figure 391 A SFP SFP transceiver that is connected to your JD700B series must be compatible with your DUT and you must have your module information s...

Страница 651: ...he Scrambler Seed soft key becomes active in the OBSAI Parameters menu so that you can specify a scrambler seed 4 Make sure to turn off the through mode by toggling the Thru soft key and selecting Off 5 Press the OBSAI Parameters soft key to select the port type and the clock reference 6 Toggle the Port Type soft key and select Master 7 Press the Tx Clock soft key and then select Internal for tran...

Страница 652: ...ey and select Off 5 To insert a K30 7 error signal complete the following steps Toggle the Error Type soft key between Code and K30 7 and select K30 7 Toggle the Error Insertion soft key and select On to insert the specified error The K30 7 error signal is one time insertion This setting changes back to Off after insertion 6 Check the real time results on the screen LOS Loss of Signal code violati...

Страница 653: ...OS and LOF displayed on the interference measurement screen Connecting cables You can connect cables with a tap or without a tap as illustrated in Figure 393 If you have connected cables directly from RRH and BBU without using the nTap you must turn on the through mode Thru in the Measure Setup menu A SFP SFP transceiver that is connected to your JD700B series must be compatible with your DUT and ...

Страница 654: ...r mode including spectrum measurements spectrogram and RSSI Setting frequency You can set the frequency with either frequency or channel number If a frequency to be set matches to the frequency corresponding to the selected channel standard the instrument calculates its channel number and updates the screen with it automatically Procedure To set the frequency with center frequency 1 Press the FREQ...

Страница 655: ...l automatically or manually to optimize the display of the traces measured as you desire Procedure To automatically set the reference level 1 Press the AMP SCALE hard key 2 Press the Auto Scale soft key Each time you press this key the Y axis scale changes to be optimized with some margin To set the reference level manually 1 Press the AMP SCALE hard key 2 To set the maximum reference value on the...

Страница 656: ...stem to be tested the instrument calculates an offset that compensates the digital gain of RRH and applies it to the spectrum automatically to displace the level of spectrum to a known RSSI power even though its accuracy cannot be guaranteed Offset calculation for Auto Leveling is based on the following Auto Level offset Noise Floor of RFoOBSAI Ideal Noise Floor of RRH where Idea Noise Floor N F R...

Страница 657: ...key 2 Press the Average soft key 3 Enter a value between one and 100 as needed by using the numeric keys 4 Press the Enter soft key Setting sweep mode The default setting is Continue to sweep continuously for most on going measurements If you want to hold the measurement or get a single sweep you can change the sweep mode This setting is used in the Spectrum Spectrogram and RSSI modes Procedure To...

Страница 658: ... time up to 60 seconds by using numeric keys or rotary knob 4 To select the detection option select More 1 2 Detectors and then do one of the following To display Select Random noise better than the peak without missing signals Normal The highest value in each data point Peak The root mean squared average power across the spectrum RMS The lowest value in each data point Negative Peak The center va...

Страница 659: ...3 Type and RP3 Address of the received message for link rate 6144 Mbps complete the following steps Select More 1 2 Rx Address Valid List The Rx Address List box appears Unlike the Rx Address List the Rx Address Valid List feature shows only the messages that contain scrambling code seed values From the list select the message to monitor Tap the Apply button The instrument automatically sets the R...

Страница 660: ... 20 Select the Mode 3 to apply the tone step from 20 to 1 NOTE The Sound Indicator is used to identify interfering signals with alarm sound It is especially useful for locating interferer sources with a directional antenna 3 To set the interference ID complete the following steps Press the Interference ID soft key Press the Threshold soft key Enter a value and then press the dBm soft key Toggle th...

Страница 661: ...urement Press the Time Interval soft key Enter a value and then press the Sec soft key 3 To set the time cursor on a specific trace position complete the following steps Toggle the Time Cursor soft key and select On Press the Position soft key Turn the rotary knob to move the time cursor You can also enter a value and then press the Enter soft key To turn the time cursor off toggle the Time Cursor...

Страница 662: ...onfiguring test parameters as described in Configuring test parameters on page 653 you can continue to proceed to the spectrogram measurement Procedure 1 Press the MEASURE SETUP hot key 2 To set up the alarm parameters complete the following steps Press the Alarm soft key Press the Alarm at soft key and then select the marker number you want to set Press the Limit Line soft key to set a threshold ...

Страница 663: ...ts when signals exceed it The failure points are clearly displayed on the trace timeline for quick access during playback Procedure 1 Press the MEASURE hot key 2 Press the Spectrum Replayer soft key The file manager window appears 3 Select a file to be loaded and then press the Load soft key The Measure Setup screen menus appear 4 Toggle the Replay Direction soft key between FWD and REV to change ...

Страница 664: ... You can use the LIMIT hot key to analyze your measurements with the display line multi segment line and channel limit See Setting limit for interference analysis on page 663 for more information Setting limit for interference analysis You can set threshold s and display either a single segment line or multi segment line to analyze the result better Setting a single limit line Procedure 1 Press th...

Страница 665: ... line for the selected segment toggle the Line soft key and select Off To add a new point press the Add Point soft key To delete the selected point press the Delete Point soft key To change the position press the Frequency or Amplitude soft key and then turn the rotary knob to change the value as desired 8 Optional Go to SAVE LOAD Save and then select Limit to save the limit settings See Using sav...

Страница 666: ...can select the port to use for the measurement in any measurement mode of RFoOBSAI mode Procedure 1 In any measurement mode press the MEASURE SETUP hot key 2 Toggle the Select Port soft key between Port 1 and Port 2 to select the desired port Setting measure setup Procedure 1 Press the MEASURE SETUP hot key 2 Press the Link Rate soft key to set the line rate of the OBSAI RP3 interface between the ...

Страница 667: ...x Address Valid List feature shows only the messages that contain scrambling code seed values From the list select the message to monitor Tap the Apply button The instrument automatically sets the RP3 Address RP3 Type and Scrambler Seed with the selected values NOTE You can also manually specify the RP3 Address RP3 Type and Scrambler Seed for the received message using the Rx RP3 Type Rx RP3 Addre...

Страница 668: ...t key 2 Connect cables as instructed on the screen NOTE Make sure that the Tx of RRH is connected to the Rx port of SFP SFP installed in your CellAdvisor 3 Complete one of the following To set the uplink center frequency and span to be measured complete the following steps Toggle the Unit soft key to Freq Press the Uplink Center Frequency soft key Enter a value by using the numeric keys or the rot...

Страница 669: ...tter performance of FDD LTE systems over OBSAI This instrument provides the following measurement tools for FDD LTE system over OBSAI Spectrum Analysis RF Analysis Channel Power Occupied Bandwidth Power vs Time Frame Modulation Analysis Constellation Data Channel Control Channel Subframe Frame Time Alignment Error Data Allocation Map Power Statistics CCDF Connecting cables You can connect cables w...

Страница 670: ...n Analysis Constellation Data Channel Control Channel Subframe Frame Time Alignement Error or Data Allocation Map Power Statistics CCDF Selecting port JD700B series supports two antenna ports for signal transmission and each port can generate different waveforms selectively and simultaneously User can select the port to use for the measurement in any measurement mode of RFoOBSAI mode Procedure 1 I...

Страница 671: ...trument automatically displays the corresponding center frequency value for the selected channel number 6 Optional To define the amount of channel increment for the rotary knob complete the following steps Press the Channel Step soft key Enter a value by using the numeric keys or the rotary knob Press the Enter soft key Setting amplitude You can set the reference automatically or manually to optim...

Страница 672: ... measurement value in sequence from the earliest Procedure 1 Press the BW AVG hard key 2 Press the Average soft key 3 Enter a value between 1 and 100 as needed by using the numeric keys 4 Press the Enter soft key Setting sweep mode The default setting is Continue to sweep continuously for most on going measurements If you want to hold the measurement or get a single sweep you can change the sweep ...

Страница 673: ...nk direction between FWD for forward downlink and REV for reverse uplink To specify Rx RP3 Type and RP3 Address of the received message for link rate 6144 Mbps complete the following steps Select More 1 2 Rx Address Valid List The Rx Address List box appears Unlike the Rx Address List the Rx Address Valid List feature shows only the messages that contain scrambling code seed values From the list s...

Страница 674: ...is the active one now 3 Do one of the following To Select Trace Legend Clear current data and display with new measurements Clear Write W Display the input signal s maximum response only unlimited or for a certain amount of time Max Hold M Display the input signal s minimum response only unlimited or for a certain amount of time Min Hold m Capture the selected trace and compare traces Capture C Lo...

Страница 675: ...domain trace is proportional to the number of points acquired for the FFT The channel power measurement identifies the total RF power and power spectral density PSD of the signal in the LTE channel bandwidth Making a measurement Procedure 1 Press the MEASURE hot key to select the measurement mode 2 Select Signal Analyzer LTE FDD RF Analysis Channel Power 3 Configure test parameters as described in...

Страница 676: ... power Making a measurement Procedure 1 Press the MEASURE hot key to select the measurement mode 2 Select Signal Analyzer LTE FDD RF Analysis Occupied BW 3 Configure test parameters as described in the Configuring test parameters on page 669 4 Press the MEASURE SETUP hot key and set the measurement setups as described in the Setting measure setup on page 671 5 Check your measurement result display...

Страница 677: ... set the measurement setups as described in the Setting measure setup on page 671 5 To select the subframe number to be measured complete the following steps Press the Subframe No soft key Enter a value by using the numeric keys You can also use the rotary knob Press the Enter soft key 6 Toggle the Physical Cell ID soft key and select Auto or Manual as desired Auto Lets the instrument detect the P...

Страница 678: ...ome aspects of modulation accuracy and can reveal certain fault mechanisms such as I Q amplitude imbalance or quadrature imbalance It displays constellation diagram by modulation types Making a measurement Procedure 1 Press the MEASURE hot key to select the measurement mode 2 Select Signal Analyzer LTE FDD Modulation Analysis Constellation 3 Configure test parameters as described in the Configurin...

Страница 679: ... off the Multimedia Broadcast Multicast Service MBMS feature toggle the MBMS soft key and select On or Off For proper MBMS testing you need to set the Subframe No with the same PMCH subframe number If this setting is on either PMCH or PDSCH appears on the screen depending on the detected channel 4 To set the Multicast Broadcast Single Frequency Network MBSFN detection automatically or manually for...

Страница 680: ...scribed in the Configuring test parameters on page 669 4 Press the MEASURE SETUP hot key and set the measurement setups as described in the Setting measure setup on page 671 5 To select the subframe number to be measured complete the following steps Press the Subframe No soft key Enter a value by using the numeric keys You can also use the rotary knob NOTE For MBMS testing this subframe number mus...

Страница 681: ...ou need to set the Subframe No with the same PMCH subframe number If this setting is on either PMCH or PDSCH appears on the screen depending on the detected channel 4 To set the Multicast Broadcast Single Frequency Network MBSFN detection automatically or manually for MBMS testing toggle the MBSFN soft key and select Auto or Manual An automatically detected or manually entered MBSFN ID appears on ...

Страница 682: ...indication See Setting limit for RFoOBSAI signal analysis on page 693 for more information Conducting control channel measurement The Control Channel measures the constellation for the specified control channel as well as modulation accuracy of the control channel at the specified subframe Making a measurement Procedure 1 Press the MEASURE hot key to select the measurement mode 2 Select Signal Ana...

Страница 683: ... for more information Setting other miscellaneous setups Procedure 1 To assign a antenna port number automatically or manually press the Antenna Port soft key and select the option Auto 0 and 1 2 To select the cyclic prefix toggle the Cyclic Prefix soft key and select Normal or Extended See Appendix E Cyclic prefix table on page 784 for OFDM parameter details by different bandwidth 3 To turn on or...

Страница 684: ...ing decoded MIB and SIB1 2 information In LTE system the System Information SI that is carried over transport channel BCH or by DL SCH consists of two parts static part called MIB Master Information Block and dynamic part called SIBs System Information Blocks MIB contains important information such as system bandwidth System Frame Number SFN PHICH configuration while SIBs contain other useful info...

Страница 685: ...Uplink bandwidth timeAlignmentTimerCommon It is used to control how long the UE should consider to be time aligned in uplink The value is in subframes CellIdentity It is a unique number used to identify each base transceiver station BTS or a sector of BTS withiin a location area code LAC if not within a GSM network NOTE Some or entire parameters may not be available depending on the system configu...

Страница 686: ... Optional Press the Miscellaneous soft key and then set other miscellaneous setups as described in the following section 10 Check your measurement result displayed on the screen 11 To clear current C and history H status of OBSAI alarm on LOS and LOF and start a new monitoring press the MEASURE SETUP hot key and then the Clear History soft key 12 Optional Go to SAVE LOAD Save and then select the s...

Страница 687: ...the CFI soft key and select Auto or Manual Auto Lets the instrument set the number of OFDM symbols used for transmitting PDCCHs in a subframe Manual Sets the number of OFDM symbols manually 11 To select the number of PHICH groups Ng press the PHICH Ng soft key and then select the option from the choices 1 6 1 2 1 2 E 1 6 E 1 2 E 1 or E 2 Setting display You can use the TRACE DISPLAY hard key to vi...

Страница 688: ...d in the Setting measure setup on page 671 5 Toggle the Physical Cell ID soft key and select Auto or Manual as desired Auto Lets the instrument detect the Physical Cell ID for the LTE signal automatically Manual Sets a specific Physical Cell ID for the LTE signal manually in order to speed up the synchronization 6 Toggle the EVM Detection Mode soft key and select Single or Combine as desired Singl...

Страница 689: ...ID appears on the screen 5 To select the PDSCH modulation type press the PDSCH Modulation Type soft key and then select the option from the choices Auto QPSK 16 QAM 64 QAM E TM3 3 E TM3 2 E TM3 1 E TM2 E TM1 2 and E TM1 1 NOTE If two or more modulation types are used in a frame select Auto If the PDSCH uses the same modulation type in a frame or in a subframe select a specific modulation type to g...

Страница 690: ...he Configuring test parameters on page 669 4 Press the MEASURE SETUP hot key and set the measurement setups as described in the Setting measure setup on page 671 5 Toggle the Antenna Config soft key and select Ant0 or Ant1 as needed 6 Toggle the Physical Cell ID soft key and select Auto or Manual as desired Auto Lets the instrument detect the Physical Cell ID for the LTE signal automatically Manua...

Страница 691: ... Making a measurement Procedure 1 Press the MEASURE hot key to select the measurement mode 2 Select Signal Analyzer LTE FDD Modulation Analysis Data Allocation Map 3 Configure test parameters as described in the Configuring test parameters on page 669 4 Press the MEASURE SETUP hot key and set the measurement setups as described in the Setting measure setup on page 671 5 To select the subframe numb...

Страница 692: ... the option Auto 0 and 1 2 To select the cyclic prefix toggle the Cyclic Prefix soft key and select Normal or Extended See Appendix E Cyclic prefix table on page 784 for OFDM parameter details by different bandwidth 3 To turn on or off the Multimedia Broadcast Multicast Service MBMS feature toggle the MBMS soft key and select On or Off For proper MBMS testing you need to set the Subframe No with t...

Страница 693: ...racterizes the power statistics of the input signal It provides PAR Peak to Average power Ratio versus different probabilities Making a measurement Procedure 1 Press the MEASURE hot key to select the measurement mode 2 Select Signal Analyzer LTE FDD Power Statistics CCDF 3 Configure test parameters as described in the Configuring test parameters on page 669 4 Press the MEASURE SETUP hot key and se...

Страница 694: ...mits as needed depending on where you are in the measurement mode To set the limit for Select Set Channel power Channel Power High Limit Low Limit Occupied bandwidth Occupied BW High Limit 3 To set a limit for modulation tests press the Modulation Test Limits soft key and then set limits as needed depending on where you are in the measurement mode To set the limit for Select Set Frequency error Fr...

Страница 695: ... the beep sound 5 Optional Go to SAVE LOAD Save and then select Limit to save the limit settings See Using save on page 35 for more information Using signal generator If your JD700B series has the signal generator options installed with a license you can use RF Source or OBSAI Source or both Using RF source in RFoOBSAI testing You can use the RF Source feature to calibrate the uplink noise floor a...

Страница 696: ...RE SETUP hot key 3 To set the Tx Clock and Port Type settings correctly complete the following steps Press the OBSAI Parameters soft key Press the Tx Clock soft key and then select Internal Toggle the Port Type soft key and then select Master Press the PREV hard key to return to the Measure Setup main menu 4 Press the Source soft key Depending on your selection of measurement mode you may need to ...

Страница 697: ...tion This chapter provides instructions for using the BBU Emulation function options 101 102 Topics discussed in this chapter are as follows Introduction 697 Selecting measurement mode 697 Performing BBU Emulation for Alcatel Lucent 697 ...

Страница 698: ...erved for VZW The Following License should be enabled to use BBU Emulation RFoCPRI Alcatel Lucent BBU Emulation option 101 RFoCPRI Reserved for VZW option 102 Selecting measurement mode Procedure 1 Press the MODE hard key 2 Press the RFoFiber BBU Emulation soft key 3 Select the Alcatel Lucent soft key Select the measurement that you want to open Profiling Configuration Verification Carrier Informa...

Страница 699: ...ier at a certain frequency it enables you to manipulate the tilt of the antenna in the way to minimize the interference with neighboring cells and optimize the coverage range PIM Analysis It helps you to measure the PIM characteristic of RRH and antenna feeder by injecting the CW sweep frequency and wide band frequency over fiber link With this feature you can also check the flatness of the spectr...

Страница 700: ... SAVE LOAD hot key 4 Select Save Save to Favorite 5 Type a file name that you want to use 6 Select the group from the Location drop down list 7 Press the Save soft key It saves the favorite file 8 Optional Press the numeric key 5 to check the favorite file is saved in the favorite group Running BBU emulation favorite You can run and open the favorite file with a Pass Fail indicator for each step i...

Страница 701: ... M messages and retrieve profile parameter values such as RHH vendor technology VSWR level RSSI level carrier frequency Link ID and RE ID from both BBU and RRH If you already have a saved profile that works for the RRH you can skip this RRH Profiling Connecting cables To perform the RRH profiling make the Thru mode cable connection as illustrated in Figure 416 Figure 416 Thru connection diagram Wi...

Страница 702: ...ic limit to for the visual check of whether the received power is within specified range complete the following steps Press the LIMIT hot key Press the Rx Optic Level soft key Set the threshold for High Limit and Low Limit To enable the Rx optic limit toggle the Test Limits soft key to On If the optic power level falls out of the specified threshold the power reading or indicator turns red Startin...

Страница 703: ...ier 1 Carrier 2 and Carrier 3 Number of Tx Container It means how many antenna branches the RRH has A different Tx container is sent to a different antenna branch For example a 2x2 MIMO system activated two Tx Containers Tx Container 1 and Tx Container 2 State It indicates the state of the carrier use If the carrier is in use the state changes from None to Disable and then to Enable Carrier Type I...

Страница 704: ...e of RRH profiling results with CPRI state and activated SW Figure 419 Example of RRH profiling results with SFP information Saving profiling results as a file After you have checked that you have retrieved all required information you need to save your RRH profiling results as a file so that you can use it to configure and bring up a new RRH of the same kind later Procedure 1 Press the SAVE LOAD ...

Страница 705: ...eivers installed in Port 1 and Port 2 you must connect the cables to the SFP in Port 1 because BBU emulation in FW3 060 supports and works with Port 1 only Setting CellAdvisor for Alcatel Lucent BBU emulation After you have made the Term mode cable connection you need to get your CellAdvisor ready to work as a BBU Procedure 1 Press the BBU Emulation Alcatel Lucent softt key 2 Select Configuration ...

Страница 706: ...icates that the carrier is in use and the RRH is waiting for mapping information from the CellAdvisor BBU Emulator Enable It indicates that the carrier is in use and the RRH retrieved mapping information 2 Check that the number of the Tx container for the carrier in use is equal to or greater than 1 3 Check if the uplink and downlink frequencies for the carrier are retrieved Most of the cases you ...

Страница 707: ... Configuration Verification CPRI Active SW The CPRI Active SW screen appears with RRH Connection On Figure 422 Example of verification of CPRI state and active software Profil Verifying SFP information You can also view the SFP information to verify if correct SFPs are installed in the RRH Procedure 1 Press the BBU Emulation Alcatel Lucent softt key 2 Select Configuration Verification SFP Informat...

Страница 708: ...rip Delay information in the RRH Procedure 1 Press the BBU Emulation Alcatel Lucent softt key 2 Select Configuration Verification RTD Information The RTD Information screen appears with RRH Connection On Figure 424 Example of verification of RTD Profil Loading a saved RRH profile If you already have a saved profile that matches with the RRH you can load it instead of editing parameters ...

Страница 709: ...he RRH information Procedure 1 Make sure that you maintain the RRH connection on 2 In the Carrier Information screen press the MEASURE SETUP hot key 3 Press the More 1 2 soft key 4 Press the RRH Information Editor soft key The RRH Information Editor screen appears 5 To import the RRH information from the connected RRH device tap the OverWrite button The imported RRH information appears in the bott...

Страница 710: ...NABLE If you want to enter a downlink frequency of 709 MHz tap on the value field next to the TXFREQ and then enter 709000 in kHz If you need to change the retrieved carrier type select one of the following buttons LTE5 LTE10 LTE15 or LTE20 The standard profile paramters for the selected carrier type will be automaically set You can change edit the value as you needed NOTE In Profile Editor you ca...

Страница 711: ...t enter Zero 0 as this will deactivate the antenna This value must not be the same value of the IQ data of first Tx Container RX1CONTAINER It means the position where the IQ data of first Rx Container antenna branch for downlink starts The start position input value range is from 1 to 64 Do not enter Zero 0 as this will deactivate the antenna This value must be the same value of the IQ data of fir...

Страница 712: ...e profile as a file so that you can use it to configure and bring up other RRHs of the same kind later Procedure 1 Press the SAVE LOAD hot key 2 Select Save Save Profile 3 Type a file name that you want to use 4 Press the Save soft key It saves the profile as a file with jcm extension Performing spectrum clearance After you have started up the RRH successfully meaning that you have at least one en...

Страница 713: ...ce If you have set the alarm reference to Line press the Limit Line soft key to set a threshold for an alarm Enter a value and then press the dBm soft key To turn on the alarm sound toggle the Sound soft key to On To turn off toggle to Off Optional To adjust the volume for alarm sound press the Volume soft key and then turn the rotary knob clockwise or counter clockwise Optional To select the soun...

Страница 714: ...ess the MEASURE SETUP hot key 4 Press the More 1 2 soft key 5 Toggle the Active Window soft key between Top and Bottom You can also tap the chart on the screen 6 To select the Rx carrier and Rx container to measure complete the following steps Press More 2 2 Rx Parameters Press the Rx Carrier soft key The Rx carrier soft key is active only if the Rx carrier is enabled Select a desired Rx carrier n...

Страница 715: ...lti segment line See Setting limit for spectrum clearance on page 718 for more information Conducting spectrogram In this Spectrogram mode you only need to change the following settings as needed Procedure 1 Press the BBU Emulation Alcatel Lucent soft key 2 Select Spectrum Clearance Spectrogram 3 Press the MEASURE SETUP hot key 4 To select the Rx carrier and Rx container to measure complete the fo...

Страница 716: ...ime cursor 7 To start a new measurement press the Reset Restart soft key 8 To clear current C and history H status of CPRI alarm on LOS and LOF press the MEASURE SETUP hot key the More 1 2 soft key and then the Clear History soft key Figure 429 Example of spectrogram in Alcatel Lucent BBU emulation NOTE You can use the LIMIT hot key to analyze your measurements with the limit line or multi segment...

Страница 717: ...ess More 1 2 Time Interval Enter a value and then press the Sec soft key 8 To set the time cursor on a specific trace position complete the following steps Toggle the Time Cursor soft key to On Press the Position soft key To move the time cursor turn the rotary knob or enter a value and then press the Enter soft key To turn off the time cursor toggle the Time Cursor soft key to Off NOTE Enabling t...

Страница 718: ...iner from the menu bar Total 4 selections for Rx containers are available NOTE In the BBU Emulation mode retrieved Rx carrier and Rx container information is used for de mapping and signal transmission instead of Map Position 5 To set up the alarm parameters complete the following steps Press More 1 2 Alarm Press the Alarm at soft key and then select a marker number to set Press the Limit Line sof...

Страница 719: ... Single In this mode the instrument performs a single sweep and waits for further entries The letter HOLD in red appears and the sweeping is paused Continuous default In this mode the instrument is continuously measuring and updating result The letter HOLD in red disappears and the sweeping resumes 3 Select the desired sweep speed mode by toggling the Sweep Mode soft key between Normal and Fast No...

Страница 720: ...knob to select the segment to edit Select the menu option from the following choices To hide the line for the selected segment toggle the Line soft key to Off To add a new point press the Add Point soft key To delete the selected point press the Delete Point soft key To change the position press the Frequency or Amplitude soft key and then turn the rotary knob to change the value as desired 8 Opti...

Страница 721: ... inject the CW signal toggle the CPRI Source soft key to On 12 Optional To enable alarm sound complete the following steps Press the MEASURE SETUP hot key Press the More 1 2 soft key and then Sound Indicator soft key Toggle the Alarm Reference soft key between Marker and Line Marker Sets the active marker position as the alarm reference if you have enabled a marker on the spectrum Line Makes the l...

Страница 722: ...selected antenna complete the following steps Press the Degree soft key Enter a value within the range that you know for the selected antenna Press the Enter soft key The antenna tilts forward accordingly NOTE It is recommended that you wait for a few minutes because it may take two minutes or so to get the antenna actually tilted 5 Check the coverage range again to see if you have the antenna til...

Страница 723: ... the BBU Emulation Alcatel Lucent soft key 2 Select PIM Analysis 3 Select the PIM analysis mode from the following choices Single Port Sweep Mode Measures PIM using two CW tone from a single port sweeping across the transmission bandwidth The Sweep Mode soft key is activated only after you have installed the license on your CellAdvisor Multi Port Sweep Mode Measures PIM using two CW tone sweeping ...

Страница 724: ... AxC 6 To enable the auto leveling complete the following steps Press the AMP SCALE hard key Press the Auto Leveling soft key Enter a noise figure value by using the numeric keys or the rotary knob NOTE You need to set the exact noise figure to improve accuaracy of the Auto Leveling Press the dB soft key or the ENTER hot key to complete the entry New external offset value appears in the External O...

Страница 725: ...ompletes sweeping from the left and the right end Auto Detects the potential PIM of two tones after calculating a PIM occurrence based on the location of a specific tone on DL Not sweep within a specified frequency range but performs PIM analysis for specific two tones Manual Detects any PIM issues within a user defined two tone frequency range The frequency input range is limited to C F 0 98 n so...

Страница 726: ... Optional To adjust the gain of the waveform to be transmitted in order to prevent an overrun or underrun of the RRH press the Gain soft key enter a value between 50 and 0 00 by using the rotary knob or the numeric keys and then press the dB soft key or the ENTER hard key Optional To set the power level press the Power Level soft key enter a value by using the numeric keys or the rotary knob and t...

Страница 727: ...pon configuration Optional To set the gain press the Gain soft key and then enter a value by using the rotary knob or the numeric keys Optional To set the waveform to be generated press the Waveforms soft key select a signal from the Waveform dialog box and then tap the Apply button or press the ENTER hard key Optional To set the power level press the Power Level soft key enter a value by using th...

Страница 728: ...ss the dBm unit soft key 4 Toggle the Display Line soft key between On and Off to display and hide the reference line The straight line appears across the screen to be used as a visual reference only To set a multi segment limit line 1 Press the LIMIT hot key 2 Press the Multi Segment Line soft key for Pass Fail indication 3 Toggle the Limit soft key between Upper and Lower to select the one to be...

Страница 729: ...time and anywhere Scanning antenna line devices You can check the connected antenna line devices information Devices are sorted by Index number and the device list is updated after each scan Procedure 1 Press the BBU Emulation Alcatel Lucent soft key 2 Select RET Information 3 Press the MEASURE SETUP hot key 4 Select Scan ALD Information to start the scan process The scanning time appears The scan...

Страница 730: ...of the antenna line devices you can get antenna device data of the selected ALD Procedure 1 Press the BBU Emulation Alcatel Lucent soft key 2 Select RET Information 3 Press the MEASURE SETUP hot key 4 Select Get Antenna Device Data to get the data Figure 437 Example of antenna device data in Alcatel Lucent RET information Getting alarm status You can get the latest alarm status ...

Страница 731: ...Alcatel Lucent soft key 2 Select RET Information 3 Press the MEASURE SETUP hot key 4 Select Clear Active Alarm to clear the active alarms Adjusting antenna tilt Procedure 1 Press the BBU Emulation Alcatel Lucent soft key 2 Select RET Information 3 Press the MEASURE SETUP hot key 4 Press More 1 2 Antenna Control soft key 5 To select the antenna that you want to manipulate complete the following ste...

Страница 732: ...g and Antenna Max Tilting Figure 439 Example of antenna tilting in Alcatel Lucent RET information Performing RET calibration After scanning of the antenna line devices you can progress the calibration Procedure 1 Press the BBU Emulation Alcatel Lucent soft key 2 Select RET Information 3 Press the MEASURE SETUP hot key 4 Press More 1 2 Antenna Control soft key 5 Select RET Calibration to start the ...

Страница 733: ...et the CPRI line bit rate of the fronthaul under test complete the following steps 5 Press the Link Rate soft key 6 Select the CPRI link rate option from Auto 614 4 Mbps 1228 8 Mbps 2457 6 Mbps 3072 0 4915 2 Mbps 6144 0 Mbps or 9830 4 Mbps NOTE It is important that you set the link rate correctly to avoid any misleading LOS and LOF alarms displayed on the screen 7 Toggle the Port Type soft key and...

Страница 734: ...Chapter 18 Perfroming BBU Emulation JD700B Series User s Guide 733 Figure 441 Example of verification of link status ...

Страница 735: ...2 Topics discussed in this chapter are as follows Introduction 735 Display overview 735 Connecting a cable 735 Selecting measurement mode 737 Configuring test parameters 737 Making channel scanner measurements 740 Making frequency scanner measurements 741 Making custom scanner measurements 742 Analyzing measurements 744 ...

Страница 736: ... measure up to 20 channels with this channel scanner Using existing format based or custom parameters you will be able to easily verify improper multi channel power levels Channel Scanner Frequency Scanner Custom Scanner Channel or Frequency Display overview Figure 442 provides descriptions for each segment of the measurement screen Figure 442 Channel scanner screen Connecting a cable Direct conne...

Страница 737: ... maximum power for the Spectrum Analyzer RF In port is 25 dBm 0 316 W for JD780B series and 20 dBm 0 1 W for JD740B series If the level of the input signal to be measured is greater than this use a High Power Attenuator to prevent damage when you directly connect the signal to the instrument or connect the signal from the coupling port of a directional coupler Over the air OTA Procedure 1 Connect ...

Страница 738: ...r mode is selected by default 3 To change the measurement mode press the MEASURE hot key and then select the measurement mode Channel Scanner Frequency Scanner Custom Scanner Configuring test parameters Setting frequency You need to set the channel or frequency to be scanned depending on the scanner mode channel scanner frequency scanner and custom scanner Refer to each scanner mode for how to set...

Страница 739: ... to optimize S N complete the following steps Select Attenuation Manual Press the Attenuation Value soft key to set the level Enter a value in fives by using the numeric keys Press the dB soft key or the ENTER hard key To couple the input attenuator s level with your reference level setting select Attenuation Couple As you increase the reference setting the attenuation level also increases acoordi...

Страница 740: ...uence from the earliest Procedure 1 Press the BW AVG hard key 2 Press the Average soft key 3 Enter a value between 1 and 100 as needed by using the numeric keys 4 Press the Enter soft key Setting sweep mode The default setting is Continue to sweep continuously for most on going measurements If you want to hold the measurement or get a single sweep you can change the sweep mode Procedure To select ...

Страница 741: ...ollowing steps Press the Start Channel soft key Enter a value by using the numeric keys You can also use the rotary knob Press the Enter soft key 5 To set the amount of channel increment in scanning channels complete the following steps Press the Channel Step soft key Enter a value by suing the numeric keys You can also use the rotary knob Press the Enter soft key 6 To set the integration bandwidt...

Страница 742: ...ic keys You can also use the rotary knob Select the unit GHz MHz kHz or Hz 3 To set the amount of frequency increment in scanning channels complete the following steps Press the Frequency Step soft key Enter a value by suing the numeric keys You can also use the rotary knob Select the unit GHz MHz kHz or Hz 4 To set the integration bandwidth complete the following steps Press the Integration Bandw...

Страница 743: ...e Appendix C Band frequency channel standard on page 780 for more information Highlight the band to be measured by using the rotary knob the arrow keys or the Page Up Page Down soft keys Press the Select soft key or the rotary knob to confirm the selection 4 Toggle the Link soft key to select the scanning direction and select Fwd forward or Rev reverse 5 Press the Index soft key and then enter an ...

Страница 744: ...dex complete the following steps Press the Center Frequency soft key Enter a value by using the numeric keys You can also use the rotary knob Select the unit GHz MHz kHz or Hz 5 To set the integration bandwidth for the selected index complete the following steps Press the Integration Bandwidth soft key Enter a value by using the numeric keys You can also use the rotary knob Select the unit GHz MHz...

Страница 745: ...Channel Limit soft key to set the limits for each channel index 3 Press the Index soft key and then select the channel frequency index number by turning the rotary knob or using the numeric keys 4 Toggle the Limit soft key between On and Off to enable or disable the Pass Fail indication 5 Set the upper threshold Press the High Limit soft key Enter a value for the upper limit Press the dBm unit sof...

Страница 746: ... RF Power Meter function and the Optical Power Meter function Topics discussed in this chapter are as follows Introduction 746 Display overview 746 Performing internal RF power measurements 746 Performing external RF power measurements 751 Performing optical power measurements 754 ...

Страница 747: ...er and upper limits The Power Meter function provides following measurements Internal RF Power Measurement External RF Power Measurement Optical Power Measurement Display overview Figure 449 provides descriptions for each segment of the measurement screen Figure 449 Power measurement screen Performing internal RF power measurements The internal power measurement of the JD700B series collects power...

Страница 748: ...monitor test port of BTS as shown in Figure 451 Figure 451 Indirect connection JD785B JD786B JD745B JD746B JD788B JD748B CAUTION The maximum power for the Spectrum Analyzer RF In port is 25 dBm 0 316 W for JD780B series and 20 dBm 0 1 W for JD740B series If the level of the input signal to be measured is greater than this use a High Power Attenuator to prevent damage when you directly connect the ...

Страница 749: ...ct the unit GHz MHz kHz or Hz 6 Press the Stop Frequency soft key 7 Enter a value by using the numeric keys You can also use the rotary knob or the arrow keys 8 Select the unit GHz MHz kHz or Hz To set the channel number and span 1 Press the FREQ DIST hard key 2 Toggle the Unit soft key and select Channel 3 To select the standard channel complete the following steps Press the Channel Std soft key ...

Страница 750: ...omplete the following steps Press the Display Maximum soft key to set the maximum value for the power meter Enter a value by using the numeric keys You can also use the rotary knob Press the dBm soft key Press the Display Minimum soft key to set the minimum value for the power meter Enter a value by using the numeric keys You can also use the rotary knob Press the dBm soft key 5 Optional To enable...

Страница 751: ...h 5 To specify the number of measurements to be averaged complete the following steps Press the Average soft key Enter a value between 1 and 100 by using the numeric keys Press the Enter soft key 6 To set a threshold and view the results with Pass Fail indication complete the following steps Press the LIMIT hot key Toggle the Limit soft key between On and Off to enable or disable the Pass Fail ind...

Страница 752: ...2B Terminating Power Sensor 20 3800 MHz Average 30 to 20 dBm JD733A Directional Power Sensor 150 3500 MHz Average Peak 20 to 47 dBm 0 1 to 50 W JD734B Terminating Power Sensor 20 3800 MHz Peak 30 to 20 dBm JD736B Terminating Power Sensor 20 3800 MHz Average Peak 30 to 20 dBm Terminating power sensor connection Procedure 1 Connect an external power sensor to the USB Host port of the JD700B series a...

Страница 753: ...e numeric keys You can also use the rotary knob 4 Select the unit GHz MHz kHz or Hz Setting amplitude Procedure 1 Press the AMP SCALE hard key 2 Toggle the Display soft key and select the display method Relative or Absolute 3 If the Relative is selected press the Set Reference soft key to set the current value as the reference 4 To specify the display range complete the following steps Press the D...

Страница 754: ...wing choices 0 Displays the reading with no zero decimal place 1 Displays the reading with one decimal place 2 Displays the reading with two decimal places 5 To set a threshold and view the results with Pass Fail indication complete the following steps Press the LIMIT hot key Toggle the Limit soft key between On and Off to enable or disable the Pass Fail indication Press the High Limit soft key an...

Страница 755: ...mandatory for power measurements in the Optical Power Meter mode There are two optical power meters sensors those can be connected to the instrument via USB See JD700B Series Common Options on page 803 for the optional power meters Procedure 1 Connect a MP series optical power sensor to the USB Host port of the JD700B series as shown in Figure 456 The OPS indicator appears in the system status bar...

Страница 756: ...an existing wavelength highlight a wavelength in the list enter a new value between 780 and 1650 in the input box and then tap the Edit button To delete an existing wavelength from the list highlight a wavelength in the list and then tap the Delete button Tap the Apply button to save your changes Making a power measurement Procedure 1 After setting the parameters read the absolute measurement valu...

Страница 757: ...ce complete the following steps Toggle the Relative Reference soft key and select Last Press the Reference Last soft key NOTE To set or release reference you can also press and hold the physical round button on the connected MP series power meter for a few seconds until you hear a beep To set the reference manually complete the following steps Toggle the Relative Reference soft key and select Manu...

Страница 758: ... for using the fiber testing function with a P5000i fiberscope Topics discussed in this chapter are as follows Introduction 758 Display overview 758 Connecting a fiber microscope 758 Selecting measurement mode 759 Configuring test parameters 759 Performing fiber inspection 760 ...

Страница 759: ... fiber microscope P5000i that can capture video images from the sensor and analyzes the images for fiber end face defects and contamination with reliable PASS FAIL results to guarantee the performance of your optical connections Display overview Figure 458 provides descriptions for each segment of the measurement screen Figure 458 Fiber inspection screen Connecting a fiber microscope Connecting an...

Страница 760: ... 3 35 SM PC IEC 61300 3 35 SM UPC IEC 61300 3 35 NOTE All of the profiles are factory set and cannot be edited or removed 4 To select the inspection tip optical settings that you want to use complete the following steps Tap the drop down list button for the Tip Select one of the tips available to your selected profile from the following choices Standard Tips with BAP1 and Simplex Long Reach L Tips...

Страница 761: ...the tip of your microscope P5000i The live image of the fiber is displayed on the screen See the user manual of your fiber microscope for details on using the P5000i 2 Focus the image by rotating the Focus Control on the P5000i until the image is in focus 3 Toggle the Magnification soft key between Low and High and select the option you want to use You can also press the Magnification Control butt...

Страница 762: ...he screen with the following information Image overlay of the zone locations defects and scratches PASS or FAIL result Specific test result for each zone 6 To show or hide image overlays press the Overlay soft key Each time this key is pressed the selection changes 7 Optional To save the fiber inspection result with specific details as a report pdf complete the following steps Tap the Save PDF sof...

Страница 763: ...Chapter 21 Performing Fiber Inspection 762 JD700B Series User s Guide Figure 461 Fiber inspection report ...

Страница 764: ...er function option 050 Topics discussed in this chapter are as follows Introduction 764 Display overview 764 Connecting an isotropic antenna 764 Selecting measurement mode 765 Configuring test parameters 765 Conducting EMF spectrum measurements 769 Recording and replaying EMF logging data 771 ...

Страница 765: ...ify if the level of emission from of your base station is compliant with the guidelines The JD700B series is the solution to perform following measurement and analysis EMF Spectrum EMF Replayer Display overview Figure 462 provides overview of each segment of the measurement screen Figure 462 EMF Spectrum measurement screen Connecting an isotropic antenna In the EMF Analyzer mode connecting an isot...

Страница 766: ...ave not installed the license on your CellAdvisor 3 Press the MEASURE hot key and then select the measurement mode from the following choices EMF Spectrum EMF Replayer Configuring test parameters Setting frequency You need to set the frequency range to be measured with either the center frequency span or the start stop frequencies You can also set the frequency with the channel number and span Pro...

Страница 767: ...ic keys Press the unit GHz MHz kHz or Hz To set the channel number and span 1 Press the FREQ DIST hard key 2 Toggle the Unit soft key and select Channel 3 To select the standard channel complete the following steps Press the Channel Std soft key The standard channel window appears See Appendix C Band frequency channel standard on page 780 for more information Highlight the band to be measured by u...

Страница 768: ...OTE It is recommended that you set the Attenuation to Auto in most situations so that the level of the input attenuator can be set automatically according to your input signal level To set the input attenuation manually up to 55 dB for JD780B series or 50 dB for JD740B series to optimize S N complete the following steps Select Attenuation Manual Press the Attenuation Value soft key to set the leve...

Страница 769: ...SCALE hard key 2 Select More 1 2 Scale Div 3 Enter a value between 1 and 20 by using the numeric keys 4 Press the dB soft key to complete the entry Setting bandwidth You can set the Resolution Bandwidth RBW and Video Bandwidth VBW manually or automatically Selecting Auto changes the value to correspond to your frequency span setting for RBW and VBW Procedure To automatically set the RBW and VBW 1 ...

Страница 770: ...nd Second NOTE The Isotropic EMF Power is the current or the latest average power measured with three axes for the specified dwell time for the axis while the Accumulated Isotropic EMF Power is the average maximum and minimum power taken from the number n times of measurements 4 To specify the number of EMF measurements that you want to make Press the of Measurement soft key Enter a value Dependin...

Страница 771: ...selected trace changes from square to round to indicate that the trace is the active one now 3 Toggle the Trace View soft key to On to show the selected trace on the display or to Off to hide it from the display Setting limit You can set three different limits to analyze the results as you desire Procedure To set the display line 1 Press the LIMIT hot key 2 Toggle the Display Line soft key to On T...

Страница 772: ...elect Off To add a new point press the Add Point soft key To delete the selected point press the Delete Point soft key To change the position press the Frequency or Amplitude soft key and then turn the rotary knob to change the value as desired 8 Optional Go to SAVE LOAD Save and then select Limit to save the limit settings See Using save on page 35 for more information To set the ICNIRP limit 1 P...

Страница 773: ...ay Direction soft key between FWD and REV to change play direction to forward or reverse 3 Press the Replay Speed soft key and then select the speed option x1 x2 x3 and x4 4 Press the Play soft key to start playing the recorded logging data 5 Press the Pause soft key to pause or stop playing the recorded logging data 6 To move to a particular failure position directly and play from there complete ...

Страница 774: ...s User s Guide 773 3 To change the scale unit select Units and then select the unit of the display scale from the choices dBµV m dBmV m dBV m V m Watt m 2 dBm m 2 dBW m 2 A m dBA m and Watt cm 2 The scale unit on the screen changes accordingly ...

Страница 775: ...tandard 780 Appendix D VSWR Return loss conversion table 783 Appendix E Cyclic prefix table 784 Appendix F Motorola CDMA EV DO LMF 785 Appendix G Bluetooth connection 787 Appendix H Device driver installation 790 Appendix I Ordering information 791 Appendix J RoHS information 806 Appendix K On screen keyboard 808 Appendix L Supported map display parameters 811 ...

Страница 776: ...vel 25 dBm 50 V DC N A Nominal External Trigger GPS Connector SMA female SMA female Impedance 50 Ω 50 Ω Nominal External Ref Connector SMA female SMA female Impedance 50 Ω 50 Ω Nominal Input Frequency 10 13 15 MHz 10 13 15 MHz Input Range 5 to 5 dBm 5 to 5 dBm USB USB Host Type A 1 port Type A 1 port USB Client Type B 1 port Type B 1 port LAN RJ45 10 100 Base T RJ45 10 100 Base T SFP SFP MSA compl...

Страница 777: ...le memory devices Environmental Operating Temperature AC Power Battery 0 to 40 C 32 to 104 F 0 to 40 C 32 to 104 F 10 to 55 C 14 to 131 F 0 to 40 C 32 to 104 F 0 to 40 C 32 to 104 F 10 to 55 C 14 to 131 F With no derating At charging At discharging Maximum Humidity 95 RH 95 RH Non condensing Shock and Vibration MIL PRF 28800F Class 2 MIL PRF 28800F Class 2 Storage Temperature 30 to 71 C 22 to 160 ...

Страница 778: ... A Nominal External Trigger GPS Connector SMA female SMA female Impedance 50 Ω 50 Ω Nominal External Ref Connector SMA female SMA female Impedance 50 Ω 50 Ω Nominal Input Frequency 10 13 15 MHz 10 13 15 MHz Input Range 5 to 5 dBm 5 to 5 dBm USB USB Host Type A 1 port Type A 1 port USB Client Type B 1 port Type B 1 port LAN RJ45 10 100 Base T RJ45 10 100 Base T SFP SFP MSA compliant MSA compliant I...

Страница 779: ...mory devices Environmental Operating Temperature AC Power Battery 0 to 40 C 32 to 104 F 0 to 40 C 32 to 104 F 10 to 55 C 14 to 131 F 0 to 40 C 32 to 104 F 0 to 40 C 32 to 104 F 10 to 55 C 14 to 131 F With no derating At charging At discharging Maximum Humidity 95 RH 95 RH Non condensing Shock and Vibration MIL PRF 28800F Class 2 MIL PRF 28800F Class 2 Storage Temperature 30 to 71 C 22 to 160 F 30 ...

Страница 780: ...DFF7 50A 0 88 0 027 LMR100 0 8 0 792 LMR1200 0 88 0 044 LMR1700 0 89 0 033 LMR200 0 83 0 344 LMR240 0 84 0 262 LMR400 0 85 0 135 LMR500 0 86 0 109 LMR600 0 87 0 087 LMR900 0 87 0 056 RG142 0 69 0 443 RG17 17A 0 659 0 18 RG174 0 66 0 984 RG178B 0 69 1 509 RG187 188 0 69 1 017 RG213 U 0 66 0 292 RG214 0 659 0 292 RG223 0 659 0 165 RG55 55A 55B 0 659 0 541 RG58 58B 0 659 1 574 RG58A 58C 0 659 0 787 R...

Страница 781: ... 0 n 699 Band 10 2nd 800 806 000 900 975 0 n 719 851 000 939 975 0 n 719 720 n 919 720 n 919 WCDMA Band Global Band 1 2100 General 1920 0 1980 0 9612 n 9888 2110 0 2170 0 10562 n 10838 Band 2 1900 General 1850 0 1910 0 9262 n 9538 1930 0 1990 0 9662 n 9938 Band 2 1900 Additional 12 n 287 412 n 687 Band 3 1800 General 1710 0 1780 0 937 n 1288 1805 0 1880 0 1162 n 1513 Band 4 1700 General 1710 0 177...

Страница 782: ... 25699 2180 0 2200 0 7500 n 7699 Band 24 1500 1626 5 1660 5 25700 n 26039 1525 0 1559 0 7700 n 8039 Band 25 1900 1850 0 1915 0 26040 n 26689 1930 0 1995 0 8040 n 8689 Band 26 800 814 0 849 0 26690 n 27039 859 0 894 0 8690 n 9039 LTE TDD Band Global Band 33 1900 1900 0 1920 0 36000 n 36199 Band 34 2100 2010 0 2025 0 36200 n 36349 Band 35 1850 1850 0 1910 0 36350 n 36949 Band 36 1930 1930 0 1990 0 3...

Страница 783: ...ix 782 JD700B Series User s Guide ProfR26 10 5275 5275 000 5335 000 55 n 67 ProfR27 10 5740 5740 000 5830 000 148 n 166 ProfR28 10 5735 5735 000 5845 000 147 n 169 ProfR29 8 75 2304 2304 375 2395 625 0 n 730 ...

Страница 784: ...8 99 3 0 7 2 00 9 5 0 512 0 33 88 9 11 1 1 19 21 2 0 033 0 09 99 2 0 8 2 50 7 4 0 881 0 43 81 6 18 4 1 20 20 8 0 036 0 09 99 2 0 8 3 00 6 0 1 249 0 50 75 0 25 0 1 21 20 4 0 039 0 10 99 1 0 9 3 50 5 1 1 603 0 56 69 1 30 9 1 22 20 1 0 043 0 10 99 0 1 0 4 00 4 4 1 938 0 60 64 0 36 0 1 23 19 7 0 046 0 10 98 9 1 1 4 50 3 9 2 255 0 64 59 5 40 5 1 24 19 4 0 050 0 11 98 9 1 1 5 00 3 5 2 553 0 67 55 6 44 4...

Страница 785: ...33 333 15 MHz Normal CP f 15 kHz 120 for l 0 108 for l 1 2 6 5 208 4 6875 Extended CP f 15 kHz 384 for l 0 1 5 16 667 f 7 5 kHz 768 for l 0 1 2 33 333 10 MHz Normal CP f 15 kHz 80 for l 0 72 for l 1 2 6 5 208 4 6875 Extended CP f 15 kHz 256 for l 0 1 5 16 667 f 7 5 kHz 512 for l 0 1 2 33 333 5 MHz Normal CP f 15 kHz 40 for l 0 36 for l 1 2 6 5 208 4 6875 Extended CP f 15 kHz 128 for l 0 1 5 16 667...

Страница 786: ...ope of this emulation is to do maintenance tests of TX Calibration and TX Audit required in routine maintenance practices with or without the use of an external power sensor Using the external power sensor you can get highly accurate measurement results Setting up for a LMF test Procedure 1 To connect your instrument both with BTS and PC do one of the following Internal power sensor Connect the Mo...

Страница 787: ... Press the LMF Settings soft key Select the power measurement and BTS option from the following choices External PM 800 MHz Band for external measurement on cellular basestation External PM 1900 MHz Band for external meausrement on PCS basestation Internal PM 800 MHz Band for internal measurement on celluar basestation Internal PM 1900 MHz Band for internal measurement on PCS basestation 5 To sele...

Страница 788: ...to the Quick Start Guide or the User Guide provided with the adapter 2 Double click the BlueSoleil Space shortcut icon on your computer desktop to launch the application The BlueSoleil program window appears 3 Right click the My Device icon the orange ball in the center of the window and then click Properties Services tab The My Device Properties window appears 4 Select the Bluetooth Personal Area...

Страница 789: ...ress 192 168 10 10 is assigned for JD700B series and this address must be typed into the TCP IP setting on JDViewer or JDRemote See Setting up communication in application on page 788 for more information Setting up communication in application If the Connect Bluetooth Personal Area Network service is selected on BlueSoleil you need to configure communication setting on the application JDViewer or...

Страница 790: ...um or Low You can improve refresh rate if experiencing low quality signal by adjusting the image quality in JDRemote Turning Bluetooth mode on off manually JD700B series turns the Bluetooth Mode on automatically if connected You can also turn it on and off manually Procedure 1 Press the SYSTEM hot key 2 Press the System Configuration Remote Interface Bluetooth soft key The Bluetooth screen appears...

Страница 791: ... Software Unknown Device window appears as shown in Figure 467 below 3 Select the Browse my computer for driver software and then click the Browse button to search for the location where the driver software is The Browse For Folder window appears 4 Search for the JDRemote folder and then select the driver folder for the installed OS For example OSDisk C Program Files x86 JDRemote Driver Win7 64bit...

Страница 792: ...nced FDD Signal Analyzer Requires option 28 JD785B031 LTE Advanced TDD Signal Analyzer Requires option 29 JD785B032 LTE FDD 256 QAM Demodulator Requires options 28 and 30 JD785B033 LTE TDD 256 QAM Demodulator Requires options 29 and 31 JD785B040 cdmaOne cdma2000 OTA Analyzer 5 Requires option 10 JD785B041 EV DO OTA Analyzer 5 Requires option 10 JD785B042 GSM GPRS EDGE OTA Analyzer 5 Requires optio...

Страница 793: ...SM GPRS EDGE Analyzer JD780B023 FL WCDMA HSPA analyzer JD780B025 FL TD SCDMA Analyzer JD780B026 FL Mobile WiMAX Analyzer JD780B028 FL LTE FDD Analyzer JD780B029 FL LTE TDD Analyzer JD780B030 FL LTE Advanced FDD Analyzer JD780B031 FL LTE Advanced TDD Analyzer JD780B032 FL LTE FDD 256 QAM Demodulator JD780B033 FL LTE TDD 256 QAM Demodulator JD780B040 FL GSM GPRS EDGE OTA JD780B041 FL WCDMA HSPA OTA ...

Страница 794: ...786B002 Bias Tee Requires option 01 JD786B003 High Power CW Signal Generator JD786B008 Optical Hardware 3 JD786B010 GPS Receiver and Antenna JD786B011 Interference Analyzer 4 5 JD786B012 Channel Scanner JD786B013 Bluetooth Connectivity JD786B016 Wi Fi Connectivity JD786B050 EMF Analyzer 8 JD786B060 RFoCPRI 614M 1 2G Interference Analyzer 6 Requires option 08 JD786B061 RFoCPRI 2 4G Interference Ana...

Страница 795: ...BSAI 6 1G interference analyzer JD780B081 FL RFoCPRI LTE FDD signal generator JD780B082 FL RFoCPRI LTE TDD signal generator JD780B083 FL RFoCPRI LTE FDD multi carrier signal generator JD780B084 FL RFoCPRI LTE TDD multi carrier signal generator JD780B086 FL RFoOBSAI LTE FDD signal generator JD780B101 FL ALU BBU emulation Standard Accessories JD70050008 USB Wi Fi Dongle 7 JD70050326 AC DC Power Adap...

Страница 796: ...9 and 10 JD788B048 LTE FDD OTA Analyzer 4 Requires options 09 and 10 JD788B049 LTE TDD OTA Analyzer 4 Requires options 09 and 10 JD788B050 EMF Analyzer 7 JD788B060 RFoCPRI 614M 1 2G Interference Analyzer 5 Requires option 08 JD788B061 RFoCPRI 2 4G Interference Analyzer 5 Requires option 08 JD788B062 RFoCPRI 3 1G Interference Analyzer 5 Requires option 08 JD788B063 RFoCPRI 4 9G Interference Analyze...

Страница 797: ... 1G interference analyzer JD780B062 FL RFoCPRI 4 9G interference analyzer JD780B063 FL RFoCPRI 6 1G interference analyzer JD780B064 FL RFoCPRI 9 8G interference analyzer JD780B065 FL RFoCPRI 614M 1 2G interference analyzer JD780B068 FL RFoCPRI GSM interference analyzer JD780B070 FL RFoOBSAI 768M interference analyzer JD780B071 FL RFoOBSAI 1 5G interference analyzer JD780B072 FL RFoOBSAI 3 1G inter...

Страница 798: ...3 WCDMA HSPA Signal Analyzer JD745B025 TD SCDMA Signal Analyzer JD745B026 Mobile WiMAX Signal Analyzer JD745B028 LTE FDD Signal Analyzer JD745B029 LTE TDD Signal Analyzer JD745B030 LTE Advanced FDD Signal Analyzer Requires option 28 JD745B031 LTE Advanced TDD Signal Analyzer Requires option 29 JD745B032 LTE FDD 256Q AM Demodulator Requires options 28 and 30 JD745B033 LTE TDD 256Q AM Demodulator Re...

Страница 799: ...FL Channel Scanner JD780B013 FL Bluetooth connectivity JD780B014 FL LTE FDD RAN performance JD780B015 FL LTE TDD RAN performance JD780B016 FL Wi Fi connectivity JD780B020 FL cdmaOne cdma2000 Analyzer JD780B021 FL EV DO Analyzer JD780B022 FL GSM GPRS EDGE Analyzer JD780B023 FL WCDMA HSPA analyzer JD780B025 FL TD SCDMA Analyzer JD780B026 FL Mobile WiMAX Analyzer JD780B028 FL LTE FDD Analyzer JD780B0...

Страница 800: ...r JD746B 100 kHz to 4 GHz Spectrum Analyzer 5 MHz to 4 GHz Cable and Antenna Analyzer 1 10 MHz to 4 GHz RF Power Meter Internal mode Options NOTE Upgrade options for the JD746B use the designation JD746BU before the respective last three digit option number JD746B001 2 Port Transmission Measurements 2 JD746B002 Bias Tee Requires option 01 JD746B003 CW Signal Generator JD746B008 Optical Hardware 3 ...

Страница 801: ...ce analyzer JD780B065 FL RFoCPRI 614M 1 2G interference analyzer JD780B068 FL RFoCPRI GSM interference analyzer JD780B070 FL RFoOBSAI 768M interference analyzer JD780B071 FL RFoOBSAI 1 5G interference analyzer JD780B072 FL RFoOBSAI 3 1G interference analyzer JD780B073 FL RFoOBSAI 6 1G interference analyzer JD780B081 FL RFoCPRI LTE FDD signal generator JD780B082 FL RFoCPRI LTE TDD signal generator ...

Страница 802: ...Analyzer 4 Requires options 09 and 10 JD748B043 WCDMA HSPA OTA Analyzer 4 Requires options 09 and 10 JD748B045 TD SCDMA OTA Analyzer 4 Requires options 09 and 10 JD748B046 Mobile WiMAX OTA Analyzer 4 Requires options 09 and 10 JD748B048 LTE FDD OTA Analyzer 4 Requires options 09 and 10 JD748B049 LTE TDD OTA Analyzer 4 Requires options 09 and 10 JD748B050 EMF Analyzer 7 JD748B060 RFoCPRI 614M 1 2G ...

Страница 803: ...SCDMA OTA JD780B043 FL Mobile WiMAX OTA JD780B045 FL LTE FDD OTA JD780B046 FL LTE TDD OTA JD780B048 FL cdmaOne cdma2000 OTA JD780B049 FL EV DO OTA JD780B050 FL EMF Aalyzer JD780B060 FL RFoCPRI 2 4G interference analyzer JD780B061 FL RFoCPRI 3 1G interference analyzer JD780B062 FL RFoCPRI 4 9G interference analyzer JD780B063 FL RFoCPRI 6 1G interference analyzer JD780B064 FL RFoCPRI 9 8G interferen...

Страница 804: ...er Meter High Power with software 2 5 mm and 1 25 mm interfaces 30 USB extender carrying pouch Optional Fiber Microscope Kits FBP SD101 FBP P5000i Digital Probe FiberChekPRO SW Case and 4 Tips FBP MTS 101 FBP P5000i Digital Probe FiberChekPRO SW Case and 7 Tips FIT SD103 FBP P5000i Digital Probe MP 60A USB Power Meter FiberChekPRO SW Case Tips and Adapters FIT SD103 C FBP P5000i Digital Probe MP 6...

Страница 805: ... QMA m DC to 6 0 GHz 50 Ω G700050583 Adapter N m to 4 1 9 5 MINI DIN f DC to 6 0 GHz 50 Ω G700050584 Adapter N m to 4 1 9 5 MINI DIN m DC to 6 0 GHz 50 Ω G700050585 Adapter N m to 4 3 10 f DC to 6 0 GHz 50 ohm G700050586 Adapter N m to 4 3 10 m DC to 6 0 GHz 50 ohm StrataSync Subscription SS CA BSA AM 01 StrataSync for CellAdvisor BSA Asset Management 1 Yr SS CA BSA TDM 01 StrataSync for CellAdvis...

Страница 806: ...1050351 GPS Antenna for JD740 and JD780 Series G710550324 External Battery Charger JD700B362 JD700B Series User s Guide Printed Version 1 Highly recommended for LTE testing 2 Highly recommended for LTE Advanced testing 3 Requires G700050366 or G700050367 RF Log Periodic Antenna ...

Страница 807: ... is a mandatory requirement from China The RoHS directive consists in the restriction on the use of certain hazardous substances in electrical or electronic equipment sold or used in the European Union after July 1 2006 These substances are lead mercury cadmium hexavalent chromium polybrominated biphenyls and polybrominated diphenyl ethers JD780B series ...

Страница 808: ...Appendix JD700B Series User s Guide 807 JD740B series ...

Страница 809: ...e field tap the or key turn the rotary knob or touch in between letters in the name field 4 To delete all the letters displayed in the name field tap the Clear key on the on screen keyboard Figure 468 On screen keyboard Editing or adding a custom keyword You can edit and delete a keyword or add a new one as you desire Procedure 1 Tap the Edit Keywords bar on the on screen keyboard The edit keyword...

Страница 810: ...rmination Open Load and Antenna Custom Any keywords you have added To delete the keyword you have added to the keyword field tap the Delete button To clear the keyword field tap the Clear button 3 Optional You can edit any of the custom keyword tags or tag values by tapping the Edit Tags Values or Edit Tags button but not the factory keyword tags marked with the asterisk NOTE You must keep the key...

Страница 811: ...Appendix 810 JD700B Series User s Guide Figure 470 Append keywords window ...

Страница 812: ...N3 RSRP dBm RLC Tx Throughput YES N3 RSRQ dB RLC Rx Throughput YES N4 PCI MAC Tx Throughput YES N4 RSRP Rx 0 dBm MAX Rx Throughput YES N4 RSRP Rx 1 dBm LTE Mode N4 RSRP dBm LTE TDD SF Assignment N4 RSRQ dB LTE TDD Special SF Patterns N5 PCI CQI CW0 YES N5 RSRP Rx 0 dBm CQI CW1 YES N5 RSRP Rx 1 dBm LTE ML1 Serving Cell Measurement RSSI RX 0 dBm YES N5 RSRP dBm RSSI RX 1 dBm YES N5 RSRQ dB RSSI dBm ...

Страница 813: ...2079955 Rev 22 0 September 2019 English VIAVI Solutions North America 1 844 GO VIAVI 1 844 468 4284 Latin America 52 55 5543 6644 EMEA 49 7121 862273 APAC 1 512 201 6534 All Other Regions viavisolutions com contacts ...

Отзывы:

Нет отзывов

Похожие инструкции для CellAdvisor JD700B Series

rainforest EMU Quick Start Manual preview
EMU
Бренд: rainforest Страницы: 2
Yamaha 141 Quick Operation Manual preview
141
Бренд: Yamaha Страницы: 2
B meters HYDROCLIMA 2 Installation Manual preview
HYDROCLIMA 2
Бренд: B meters Страницы: 18
B meters HYDROCAL-M4 Operating And Installation Instruction preview
HYDROCAL-M4
Бренд: B meters Страницы: 14
Badger Meter iSonic 4000 Installation And Operation Manual preview
iSonic 4000
Бренд: Badger Meter Страницы: 47
Eaton CMD Manual preview
CMD
Бренд: Eaton Страницы: 43
VELOCICALC 9515 Operation And Service Manual preview
9515
Бренд: VELOCICALC Страницы: 6
Panametrics GF868 Service Manual preview
GF868
Бренд: Panametrics Страницы: 68
Hach Lange APA 6000 Operation Manual preview
Lange APA 6000
Бренд: Hach Страницы: 28
Hanna Instruments HI99151 Quick Reference Manual preview
HI99151
Бренд: Hanna Instruments Страницы: 2
Hanna Instruments HI736 Instruction Manual preview
HI736
Бренд: Hanna Instruments Страницы: 2
Hanna Instruments HI 991401 Instruction Manual preview
HI 991401
Бренд: Hanna Instruments Страницы: 2
Hanna Instruments HI 98140 Manual preview
HI 98140
Бренд: Hanna Instruments Страницы: 4
Hanna Instruments HI 8314 Instruction Manual preview
HI 8314
Бренд: Hanna Instruments Страницы: 2
LaserLiner PowerCross-Laser 8 S Operating Instructions Manual preview
PowerCross-Laser 8 S
Бренд: LaserLiner Страницы: 64
LaserLiner ClimaHome-Check Plus Manual preview
ClimaHome-Check Plus
Бренд: LaserLiner Страницы: 10
LaserLiner MeterMaster Plus Quick Start Manual preview
MeterMaster Plus
Бренд: LaserLiner Страницы: 104
LaserLiner ThermoSpot Operating Instructions Manual preview
ThermoSpot
Бренд: LaserLiner Страницы: 52

Бренды по названию

Популярные бренды

Загрузить еще бренды