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CTS55 Module

Test

1094.0006.55 7.11

E-5

7.5.4

The Sensitive Power Measurement

In order to produce the accurate low level measurement, the SPM Calibration has been introduced. The
Sensitive Power Measurement feature is activated automatically when the input signal level is lower
than –10 dBm. When the measurement is active the SPM sign is displayed at the top of the menu
screen. The low level power can be measured down to approximately –45 dBm. When the signal will
become higher than –5 dBm the CTS will change back to the normal mode.

Sensitive Power Measurement is running

SPM Calibration started

In order to calibrate SPM, the 0 dBm signal has to be supplied to the CTS Input and the Calibrate SPM
button shall be pressed.

SPM Calibration is running

While SPM Calibration procedure is running the “Calibration is Running “ message is displayed.

SPM Calibration OK

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Содержание 1094.0006.50

Страница 1: ...12 11 1 Test and Measurement Division Operating Manual Digital Radio Tester for GSM GSM 900 PCN GSM 1800 DCS 1800 PCS GSM 1900 DCS 1900 Mobiles R S CTS50 R S CTS55 1094 0006 50 1094 0006 55 Printed i...

Страница 2: ...1094 3405 12 11 2 Dear Customer R S is a registered trademark of Rohde Schwarz GmbH Co KG Trade names are trademarks of the owners...

Страница 3: ...1094 3392 12 01 A E 3 Note Digital Radio Tester CTS50 is a basic model and options CTS K9 CTS K18 and CTS K19 enable its use with operating modes GSM PCN and PCS respectively...

Страница 4: ......

Страница 5: ...TS K6 1 2 2 Preparation for Use 2 1 2 1 Explanation of Front and Rear View 2 2 2 2 Commissioning 2 3 2 2 1 Setting up the Instrument 2 3 2 2 2 Connecting the Instrument to the AC Supply 2 4 2 2 3 Ensu...

Страница 6: ...Phase Frequency Error and Power Ramp 4 11 4 11 10th Step Bit Error Rate 4 12 4 12 Steps 11 14 Measurements on the second channel 4 12 4 13 15th Step Handover or Network Release 4 12 4 14 Test Sequenc...

Страница 7: ...ent 7 5 7 4 3 The Measurement Results 7 6 7 4 4 Other Measurements 7 7 7 4 4 1 Power Ramp 7 7 7 4 4 2 Phase Frequency 7 8 7 5 IQ Spectrum 7 9 7 5 1 Configuration 7 9 7 5 2 Running the IQ Spectrum meas...

Страница 8: ...Menu Pass Fail 9 8 9 5 4 Autotest Running Menu Values 9 9 9 5 5 Autotest Tolerances Menu 9 10 9 5 6 Autotest Result Screen 9 11 9 6 Quicktest Menus 9 12 9 6 1 Quicktest Main Menu 9 12 9 6 2 Config Qui...

Страница 9: ...32 9 9 3 Config Channels 9 33 9 9 4 Config Quicktest Channel 9 34 9 9 5 Config MS Type and MS Type Edit 9 35 9 9 6 Config Network 9 37 9 9 7 Config Date Time 9 38 9 9 8 Config Language 9 39 9 9 9 Conf...

Страница 10: ...11 8 11 5 6 Overview of Syntax Elements 11 10 11 6 Description of Commands 11 11 11 6 1 Notation 11 11 11 6 2 Common Commands 11 13 11 7 Instrument Model and Command Processing 11 16 11 8 Status Repor...

Страница 11: ...ram 13 1 13 2 Operating the Program 13 1 13 3 Tests To Be Performed 13 2 13 4 Remote Control of Performance Test Program 13 3 13 4 1 Hardware 13 3 13 4 2 Command syntax 13 3 13 4 3 Command types 13 5...

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Страница 13: ...ory environments or in the field and must not be used in any way that may cause personal injury or property damage You are responsible if the product is used for an intention other than its designated...

Страница 14: ...r unassociated documentation can result in misinterpretations and thus contribute to personal injury or material damage Basic safety instructions 1 The product may be operated only under the operating...

Страница 15: ...ccordingly 9 In the case of products of safety class I with movable power cord and connector operation is permitted only on sockets with earthing contact and protective earth connection 10 Intentional...

Страница 16: ...roperly replaced this can cause an explosion warning lithium cells Replace the battery or storage battery only with the matching Rohde Schwarz type see spare parts list Batteries and storage batteries...

Страница 17: ...a persona cosa pueda ser da ada El uso del producto fuera de sus fines definidos o despreciando las informaciones de seguridad del fabricante queda en la responsabilidad del usuario El fabricante no s...

Страница 18: ...definici n Por eso se debera tener en cuenta que las palabras de se al aqu descritas sean utilizadas siempre solamente en combinaci n con la correspondiente documentaci n y solamente en combinaci n co...

Страница 19: ...da En vista a la protecci n de la vida en desarrollo deber an ser protegidas personas embarazadas debidamente Tambi n las personas con un bypass pueden correr peligro a causa de la radiaci n electroma...

Страница 20: ...y la conexi n deber n ser efecutadas por un electricista especializado 20 En caso de que los productos que son instalados fijamente en un lugar sean sin protector implementado autointerruptor o simila...

Страница 21: ...ejemplo paredes y estantes 31 Las asas instaladas en los productos sirven solamente de ayuda para el manejo que solamente est previsto para personas Por eso no est permitido utilizar las asas para la...

Страница 22: ......

Страница 23: ...he Member States relating to electrical equipment for use within defined voltage limits 73 23 EEC revised by 93 68 EEC relating to electromagnetic compatibility 89 336 EEC revised by 91 263 EEC 92 31...

Страница 24: ......

Страница 25: ...n Union on the approximation of the laws of the Member States relating to electrical equipment for use within defined voltage limits 73 23 EEC revised by 93 68 EEC relating to electromagnetic compatib...

Страница 26: ......

Страница 27: ...K7 Level range depending on modulation depth GSM900 band 20 to 30 dBm GSM1800 1900 band 23 to 33 dBm Modulation depth at 23 dBm 1 26 dBm 2 0 to 90 AM Resolution 1 Modulation frequency 1 kHz Setting e...

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Страница 29: ...Digital modulation Modern methods in radiotelecommunications Two day seminar all about RF modulation Further information can be found in our seminar program which is obtainable from your ROHDE SCHWAR...

Страница 30: ......

Страница 31: ...a central service station and thus saving time and expense With the CTS optimum customer support can be provided even by small service shops and sales chains that have no highly qualified service staf...

Страница 32: ...f the CTS is designed for service testing and other situations where the user must decide which step has to be performed next For example which signalling sequence or which measurement power ramp phas...

Страница 33: ...ear panel are used This serves to prevent damage to the protruding items on the front and rear panels Important note A rechargeable battery is installed in the CTS which allows storage of important in...

Страница 34: ...for GSM Softkeys for menu control Hardkey to return to the previous menu level TFT Display The input power may not exceed 45 dBm in pulsed mode 1 8 and 39 dBm 8 W in CW mode Instrument with input vol...

Страница 35: ...VA 50 60 Hz CE CE Fan of power supply unit controlled Service connector e g for ext monitor Power switch on off Fan uncontrolled RF OUT2 Option CTS B7 Keyboard connector for an external keyboard Print...

Страница 36: ...penings Ambient temperature 5 to 45 C Avoid moisture and condensation if it occurs however the instrument must be thoroughly dried before switching on 2 2 2 Connecting the Instrument to the AC Supply...

Страница 37: ...ent is switched on a start up screen is displayed while the instruments loads stored parameters and checks which options are installed After a short time the options screen is displayed see below It i...

Страница 38: ...n keys F1 to F6 are assigned to the 6 softkeys next to the display F1 corresponds to the uppermost softkey The ESC key is assigned to softkey MENU UP Alphanumerical characters can be directly entered...

Страница 39: ...M 1800 and PCS DCS 1900 GSM 1900 networks The autotest comprises a configurable sequence of tests which is tailored to determine whether a mobile functions or not Any autotest step can be included or...

Страница 40: ...individual menus and keys refer to the detailed description of the test sequence in chapter 4 and to the menu descriptions in chapter 9 Details of the test set up and the use of antenna couplers are...

Страница 41: ...CTS55 Getting Started With Autotest 1094 0006 55 3 3 E 7...

Страница 42: ...shown opposite appears after a few seconds The instrument is now ready for testing Use the Test Mode key to toggle between the Manual Test Autotest Quicktest and Module Test modes select Autotest Pres...

Страница 43: ...te pulsed signals at RF and thus frequently have a pulsed current drain Problems may arise if power supplies are used that cannot provide such currents at constant voltage Test Mode and NetType keys T...

Страница 44: ...tep or continuous test mode For the following sequence the required settings are Mode Cont and Coupler off Press the Start key to begin with the test sequence Autotest Running Menu After pressing the...

Страница 45: ...Update within a defined time period the test will be aborted and the LocUpd box is marked as not executed see Autotest menu PIN number Please be careful when entering the PIN number The card will be l...

Страница 46: ...test step has been comple ted successfully Status message Echo Test run Activity message Please confirm OK or fail Step 5 The test comes to a stop here so that the user can speak into the mobile and e...

Страница 47: ...d and sends them back to the mobile with a delay of one second The user is thus able to speak into the microphone of the mobile with the link set up and hear the echo after approximately one second in...

Страница 48: ...Avg Pow 2 run Avg Pow 3 run Step 8 While this status message is displayed the average trans mitter power of the mobile is being measured Status messages Avg Pow 1 pass fail Avg Pow 2 pass fail Avg Pow...

Страница 49: ...ile is measured at three levels The test will be terminated with pass if the results are within their respective tolerance ranges Otherwise the message fail will appear Each GSM850 GSM PCN PCS mobile...

Страница 50: ...ws when the test step is complete Status message BER run Step 11 RBER II run RBER Ib run FER run Performing a bit error rate measurement BER Status message BER pass RBER II pass RBER Ib pass FER pass...

Страница 51: ...the end of the Autotest sequence For the BER measurement the mobile is set into the Loop Back mode to send any the received bits back to the CTS The CTS compares the received bits with the bits sent o...

Страница 52: ...Menu of the Autotest The Meas key will go to the Power ramp Menu where the power ramp is shown graphically The Phase Freq graph will be available for display from within the Power ramp Menu With the...

Страница 53: ...s carried out when switching to the second and third channel Furthermore the user has the option to either freely define the tolerances for the measurements carried out in Autotest or to select one of...

Страница 54: ...ore the description of the tests here are some errors common for all test steps The mobile is switched off during a running test sequence In this case the error message Detach not expected may appear...

Страница 55: ...s can be accomplished from the Autotest Config menu by pressing the Config softkey from the Autotest Start Menu Autotest Config Menu Config Network Menu When the mobile type is selected the stored val...

Страница 56: ...isplayed when the Autotest sequence is initiated The above menu setting indicates that the instrument is currently configured to use the GSM 900 band as the location update band Any handover attempt w...

Страница 57: ...the Autotest Result Menu using the Restart key The test sequence can be terminated at any time before it is completed by pressing the Stop key in the Autotest Running Menu The Continue key is used in...

Страница 58: ...will be skipped and the whole test sequence is terminated because it is not possible to continue without a Location Update Possible causes for fail The network parameters MCC MNC NCC or LAC are wrong...

Страница 59: ...ilst a call to the mobile is in progress In this case the error message Location Update not expected appears on the screen An unexpected call from the mobile is started by the user In this case the er...

Страница 60: ...eys can thus be checked for malfunctioning keys As soon as the speech link is set up the CTS concludes with a 9 in the Call from box If the mobile does not send out the call within a given time period...

Страница 61: ...GSM GSM 850 PCS and PCN Included in the listing are the maximum values for the power classes and the wide tolerances GSM and GSM 850 Power control level Nominal power dBm Tolerance dBm wide Tolerance...

Страница 62: ...red values lie within their tolerances The tolerances have been given an appropriate wide window to allow for attenuation inaccuracies when using an antenna coupler Possible external causes for fail T...

Страница 63: ...ces The tolerances have been given a wide range to allow for attenuation inaccuracies when using an antenna coupler Possible causes for fail The actual attenuation of the RF connection does not corres...

Страница 64: ...thin the Handover Details menu If the instrument is configured for Dual Band handover then the CTS will attempt a handover at this point If the instrument is not configured for Dual Band handover then...

Страница 65: ...by first selecting the signalling or tolerances menu and then pressing the Other Band softkey In the event that a single band test has been performed then the Other Band softkey will not be present Di...

Страница 66: ......

Страница 67: ...Update see Autotest Chapter 3 Step 3 Call to Mobile see Autotest Chapter 3 Step 4 Echo Test see Autotest Chapter 3 Step 5 Network Release see Autotest Chapter 3 Step 17 With the exception of a few in...

Страница 68: ...Menu After the CTS is switched on the Home Menu shown opposite appears after a few seconds The instrument is now ready for test ing Press the Test Mode key to toggle between Manual Test Autotest Quic...

Страница 69: ...power supply unit make sure that this unit can provide the required peak current Digital mobile phones generate pulsed signals at RF and thus frequently have a pulsed current drain Problems may arise...

Страница 70: ...st be switched off off Press Start to start the test sequence g Quicktest Menu Test After pressing the Start key in the Quicktest Main Menu the menu shown opposite appears The CTS is now transmitting...

Страница 71: ...the mobile is already switched on and registered when the test is started it will indicate service and wait In this case the mobile is synchronised to a near by base station Switch the mobile off and...

Страница 72: ...onnection is established the background of the symbol changes to green An error is indicated by a red back ground j Activity message Confirm Pass or Fail Step 5 The test comes to a stop here so that t...

Страница 73: ...time period the test will be terminated with a f in the CallTo box k After link set up CTS stores the speech signals received and sends them back to the mobile with a delay of one second The user is...

Страница 74: ...the menu will have new buttons as shown oppo site Press Restart to start the test sequence again Press Start Menu to call up the Autotest Main Menu For an error free test all symbols must show a green...

Страница 75: ...mobile The instructions and information given in this chapter are based on the assumption that the mobile station is connected to the CTS via a cable Important notes In order to exclude unpredictable...

Страница 76: ...ter a few seconds The instrument is now ready for testing Use the Test Mode key to toggle between the Manual Test Autotest Quicktest and Module Test modes must be set to Manual Test Press Start to go...

Страница 77: ...red peak current Digital mobile phones generate pulsed signals at RF and thus frequently have a pulsed current drain Problems may arise if power supplies are used that cannot provide such currents at...

Страница 78: ...the text changes to Location Update in Progress The blinking text indicates that a Location Update is taking place between the CTS and the mobile phone h The vertical bar indicates that the CTS is rec...

Страница 79: ...the mobile phone according to the SIM card used In this case the parameters can be matched in the network menu k Subscriber Number The international subscriber number or IMSI International Mobile Subs...

Страница 80: ...obile phone Call Established Menu In both cases the display will change to the Call Established Menu This is the central measurement menu with an overview of the transmitter measurements Detai led tra...

Страница 81: ...CTS55 Getting Started With Manual Test 1094 0006 55 6 7 E 6...

Страница 82: ...he MS Test updated menu is a softkey labelled Send SM By pressing this softkey a fixed text short message mobile terminated will be sent to the mobile Mobiles which do not have SMS capability will ign...

Страница 83: ...CTS55 Getting Started With Manual Test 1094 0006 55 6 9 E 6...

Страница 84: ...ed by the CTS are displayed together with the power ramp evaluation In addition the signal quality reported by the mobile RxQual is displayed If any measurements are out of tolerance they are displaye...

Страница 85: ...from the decoded bits and comparing this to the actual phase measured by the CTS Two values are defined in GSM the absolute maximum peak error in a burst and the average RMS error in a burst d Power R...

Страница 86: ...ll be displayed e 6 4 Receiver Measurements Step 1 In the Call Established menu press Measure Select until BER is highlighted Pressing Start Measure will change the screen to the one shown opposite Th...

Страница 87: ...6 13 E 6 Explanation e Maximum and Average Values In this menu the actual average and maximum phase and frequency measurements are displayed for a given number of bursts The actual number of bursts u...

Страница 88: ...tly or it can be activated by pressing the softkey labelled BER Sens in the Ber Continuous menu On entering the BER Sensitivity menu the measurement will be started automatically The BS Signal will be...

Страница 89: ...ations will be performed only if the GPRS parameter in the Config GPRS Block Error Rate menu is set to ON 6 5 1 GPRS Attach After a successful Location Update if the GPRS parameter in Config GPRS BLER...

Страница 90: ...en is displayed The Error Rate and the Data Rate values are calculated from the number of invalid blocks reported to the CTS by the MS These values are continuously updated GPRS Block Error Rate Menu...

Страница 91: ...lling normally needed to get a mobile into a state where a call has been established This usually needs the mobile to be in a special mode details of which are normally only available from the mobile...

Страница 92: ...of Module Test which is in addition to the standard menus on the CTS Home Module Test Conf Burst Analysis Config IQ Spectrum Burst Analysis IQ Spectrum Power Ramp Phase Freq RF Signal Gen RF Signal G...

Страница 93: ...odule Test menu the selection of the MS Type to be used can be made by scrolling through the displayed list with the MS Type softkeys The use of the defined attenuations may be turned on and off with...

Страница 94: ...o detect when a burst occurs This can be done either by detecting the rising edge of the burst Power or by synchronisation with the midamble Free Run RF Unit The receive frequency can be set on the Bu...

Страница 95: ...gnal the measureme nt results should appear While the CTS is searching for the mobile s signal a small symbol AR standing for Auto Ranging will appear at the top of the menu This symbol will disappear...

Страница 96: ...ed received frequency of the input signal Phase Peak The worst case phase error in the measured burst Phase RMS The average root mean square of the phase error in the measured burst Peak Power The max...

Страница 97: ...Power Ramp Power Ramp Menu The Power Ramp measurement is similar to that in Manual Test as described in section 9 7 6 The template configuration is tied to the Manual Test values Exp Power The power...

Страница 98: ...you expect to be received by the CTS This value aids the system s search for the signal Freq This defines the receive frequency to use Ignore Guard Eval Guard A choice can be made whether Guard Bits...

Страница 99: ...Specifies the number of complete measurements that the IQ Spectrum measurement result is averaged over Marker Spot measurements of the power level at certain marker frequencies can be made This confi...

Страница 100: ...as been found and measurements are being made The RF Generator menu can be selected by pressing the RF Gen softkey Exp Power Enter here the power that you expect to be received by the CTS This value a...

Страница 101: ...sign is displayed at the top of the menu screen The low level power can be measured down to approximately 45 dBm When the signal will become higher than 5 dBm the CTS will change back to the normal mo...

Страница 102: ...e calibration is successful the Calibration OK message is displayed and SPM Offset value see 7 4 1 is adjusted automatically SPM Calibration failed If the CTS was not able to use the supplied signal f...

Страница 103: ...connection between the two RF outputs Freq Offset Adjusts the frequency output away from the centre frequency of the specified channel This value cannot be altered when the RF Generator is in the AM...

Страница 104: ...r are represented with negative channel numbers The normal GSM channel numbers should be used when testing with the usual network frequencies Frequency In MHz 800 1000 849 824 GSM MS BS 894 869 GSM BS...

Страница 105: ...1910 1700 Frequency Range Burst Analysis 1990 1800 Frequency Range RF Gen DCS 1800 511 Channel No BS MS Channel No MS BS Frequency In MHz 1700 2000 1990 1930 DCS1900 BS MS 239 139 811 1910 1700 Freque...

Страница 106: ......

Страница 107: ...r the antenna is bent and inadvertent movement in the coupler during testing In order to obtain reproducible measurements on output power or sensitivity it is necessary to work with an accurately defi...

Страница 108: ......

Страница 109: ...ons Menu and the Home Menu From the Home Menu any of the remaining three divisions can be reached The second part consists of the menus for the Manual Test of the instrument including local configurat...

Страница 110: ...QT Compl Config QT Power Ramp Pass Fail Tol Call Establ Pass Fail Values Tol Power Ramp Phase Freq BER Config Power Ramp Config Phase Freq Config BER Config BS Signal Config Chan Config QT Chan Config...

Страница 111: ...ion The up and down arrows increase and decrease the value highlighted by the cursor This means for alphabetic characters pushing the arrow keys selects the next or the previous character in alphabeti...

Страница 112: ...as for the Multi Field editing but the accepting of the change is different To accept the value the Ok key has to be pressed rather than the Clear key 9 3 3 Single Field Editing with Direct Saving The...

Страница 113: ...cture Graph Start By pressing this key either the Manual Test the Autotest the Quicktest or the Module Test is activated After this key is pressed the system changes to the appropriate menu Test Mode...

Страница 114: ...be viewed Coupler This key selects the way in which the mobile is connected to the CTS If the key is set to On the input output and attenuations of the selected mobile type will be considered in the...

Страница 115: ...to define the number of speech frames to be used during the bit error measurement At the right hand side of the input field the time required for the bit error measurement is displayed PCL Mode Three...

Страница 116: ...blinks in a window above the signalling test names A successful test is indicated with a in the box next to the test A failed test is indicated by a f When the BER test has been completed on the last...

Страница 117: ...g Menu Values This screen indicates the results of each step of the Autotest as values Stop Pressing this key stops the measurement sequence The Autotest Result screen will be displayed Tolerance Pres...

Страница 118: ...otest Tolerances Menu This screen indicates the tolerances of each step of the Autotest Stop Press this key to interrupt the measurement sequence and to display the Autotest Result Screen Pass Fail Pr...

Страница 119: ...eq menu can be selected Other Band This softkey is only visible after a two band autotest sequence has been attempted Press this key to display the other GSM band that has been used for the Autotest s...

Страница 120: ...attenuation is used Start Press this key to start a Quicktest Coupler This key selects the way in which the mobile is connected to the CTS If the key is set to On the input output and attenuations of...

Страница 121: ...094 0006 55 9 13 E 7 9 6 2 Config Quicktest Menu This menu is used to set the channel on which the Quicktest is carried out and to set the network parameters How network parameters can be set is expla...

Страница 122: ...step is active the status display below the appropriate symbol starts flashing and the colour of the symbol itself changes to yellow If a test step is completed successfully the background colour of...

Страница 123: ...his menu appears if the Quicktest was aborted or after all test steps have been executed A window appears at the bottom of the screen showing the total result of the Quicktest Restart Press this key t...

Страница 124: ...elected mobile type is displayed Above this is an indicator for the coupler state On signifies that a coupler is used and the attenuations defined for the selected mobile type is taken into account Of...

Страница 125: ...er and the Traffic Channel Number as well as the CTS transmit level for the traffic channel In addition the network parameter can also be changed Furthermore the power used by mobile phone to call the...

Страница 126: ...nu This now displays the attenuation settings for all 3 networks The Remote Mobile MS Type is always first in the list and will never be sorted it is used so that the Remote Control commands for setti...

Страница 127: ...for a single and dual band MS P GSM850 4 33 dBm P GSM900 4 33 dBm GSM1800 1 30 dBm The display will show the 1 st power class of the originating network network in which Location Updated and the 2 nd...

Страница 128: ...mobile the key Send SM has to be pressed The MS Details button will indicate to the user if the Mobile Station is capable of supporting Extended GSM frequencies and or is Dual Band 900 1800 MHz 9 7 4...

Страница 129: ...always at Full Rate Coding but the menu also indicates if the mobile station supports Enhanced Full and or Half Rate Coding During an established connection the mobile station measures the level RxLe...

Страница 130: ...lti Handover Option Available Handover to 900 The target ARFCN channel and Power Ctrl Level will be the channel and power level set in the main configuration settings for that network Section 9 9 2 Co...

Страница 131: ...age power is not within the predefined limits which can be set to configurable or to GSM recommendations within Config BS Signal The bar below the power ramp graph indicates where the ramp exceeds or...

Страница 132: ...ak and the RMS phase error are indicated The values given are those of the current burst as well as an average and the maximum over a predefined number of bursts The tolerances can be defined in the c...

Страница 133: ...s are indicated at the display RxLev and RxQual During an established connection the mobile station measures the level RxLev and the quality RxQual of the signal received by the mobile Both values are...

Страница 134: ...amped down from a configured initial value until the sensitivity level is reached and then the resulting BS Signal value is displayed in the BER Sens result field The measurement can be made again by...

Страница 135: ...e to transmit The template is shown at the top of the screen The various ranges of the template are identified with the letters A to F The predefined values for these ranges are shown below the templa...

Страница 136: ...ase error Peak the phase error RMS and the frequency error the current value as well as the maximum and average values for a predefined number of bursts This menu is used to define the shared toleranc...

Страница 137: ...entage for the permissible maximum number of incorrect bits from class II The maximum number of incorrect bits is shown in the Events column Rate Class IB This value defines the percentage for the per...

Страница 138: ...r of incorrect bits is shown in the Events column Rate Class IB This value defines the percentage for the permissible maximum number of incorrect bits from class IB The maximum number of incorrect bit...

Страница 139: ...y The access to the configuration menu part of the CTS can be protected by a password see Config Password later in this chapter If the password protection is activated the password has to be typed in...

Страница 140: ...ablished Menu The level of the traffic channel Traffic Level This is the level at which the CTS transmits the traffic channel The output power level of the mobile station Mobile Power This is the outp...

Страница 141: ...CTS55 Description of the Menus 1094 0006 55 9 33 E 7 9 9 3 Config Channels This menu is used to change the main parameters dedicated to the Autotest For a description of the fields see section 9 5 2...

Страница 142: ...Description of the Menus CTS55 1094 0006 55 9 34 E 7 9 9 4 Config Quicktest Channel This menu is used to define the channel on which the Quicktest is to be carried out...

Страница 143: ...Sensitivity at level is for the Autotest BER and RXQual RX Lev measurement only The Starting Time option initiates a small delay before initiating an ARFCN channel change The 2 nd output attenuation v...

Страница 144: ...0 GSM850 Low Input Att 0 0 dB Low Output Att 0 0 dB Mid Input Att 0 0 dB Mid Output Att 0 0 dB High Input Att 0 0 dB High Output Att 0 0 dB GSM900 GSM900 Low Input Att 5 3 dB Low Output Att 12 2 dB Mi...

Страница 145: ...as GSM1900 and GSM850 Mobile Stations will either support 2 or 3 digits The Network Colour Code NCC This parameter is used to distinguish between cells of a network Location Area Code LAC This paramet...

Страница 146: ...Description of the Menus CTS55 1094 0006 55 9 38 E 7 9 9 7 Config Date Time With this menu the date and time of the system can be changed...

Страница 147: ...cription of the Menus 1094 0006 55 9 39 E 7 9 9 8 Config Language With this menu the language of the system can be selected This means all text shown in all menus is changed according to the selected...

Страница 148: ...eactivated Also by pressing the Change Password key a new password can be entered In this case the screen on the right is displayed for password entry The password consists of six digits The digits ar...

Страница 149: ...CTS55 Description of the Menus 1094 0006 55 9 41 E 7 9 9 10 Comment Menu In this menu a comment can be entered which is printed into the printer protocol...

Страница 150: ...Description of the Menus CTS55 1094 0006 55 9 42 E 7 9 9 11 Config Keyboard Menu This menu is used to define which country specific keyboard has been connected...

Страница 151: ...00 2400 4800 9600 19200 Data Bits 7 8 Stop Bits 1 2 Parity None Even Odd Protocol None Xon Xoff CTS RTS The CTS handshaking protocol for the RS232 Communication Port defaults to CTS RTS Display Select...

Страница 152: ...M1900 Handover Option The Dual Band Option enables the user to test Dual Band MS types This enables the test time cycle to be improved due to the reduction in signalling time required for Location Upd...

Страница 153: ...lability with GSM900 being the originating network GSM900 GSM1900 GSM900 and GSM1900 Channel Availability with GSM900 being the originating network GSM1800 GSM1800 Channel Availability Only GSM1800 GS...

Страница 154: ...ly the Traffic Channel required for call established measurements on the new network b Combined The Control Channel required for location update remains on the original network and the Traffic Channel...

Страница 155: ...e is assigned to a specific power class which defines the maximum and the minimum power of the mobile The power class is read from the mobile and the result entered here IMSI International Mobile Subs...

Страница 156: ...obile measured by the CTS Tolerance Upper and lower tolerance levels for the measured average power Ramp Indication at which part of the template the power ramp is out of tolerance Evaluation If the r...

Страница 157: ...the tests is entered here The verdict Test Passed is given only if all the steps have passed OK The result is however band specific and in the case of a two band test where there will be two separate...

Страница 158: ...m Tolerance dBm Evaluation 13 13 8 8 18 OK 23 26 5 18 28 OK 33 36 4 28 38 OK MS Sensitivity Input Level RXLEV Allowed RXQUAL Maximum Evaluation dBm dBm dBm 100 99 105 95 0 1 0 4 OK Power Ramp Standard...

Страница 159: ...MS 10 6 RMS OK 7 6 Peak 25 7 Peak OK Freq Error Hz Maximum Hz 972 999 OK Bit Error Rate Input Level dBm RBER Maximum Evaluation 90 11 4 Class II 12 3 Class II OK 14 9 Class IB 19 8 Class IB OK Number...

Страница 160: ...0005 10 056715 0 Phase II LOCATION UPDATE OK CALL TO MOBILE OK ECHOTEST OK CALL CLEARING BY MOBILE OK CALL FROM MOBILE OK HANDOVER TO skip HANDOVER FROM skip DIALED NUMBER 12345678 TX MEASUREMENTS CH...

Страница 161: ...e explained in detail in the respective sections Tables provide a fast overview of the commands implemented in the instrument and the bit assignment in the status registers The tables are supplemented...

Страница 162: ...e the device functions and request information The commands are subdivided according to two criteria 1 According to the effect they have on the instrument Setting commands cause instrument settings su...

Страница 163: ...nses to Queries 11 5 2 Structure of a Command The commands consist of a so called header and in most cases one or more parameters Header and parameter are separated by a white space ASCII code 0 to 9...

Страница 164: ...ns key word POLarity in the fourth command level It defines the polarity between modulation voltage and the resulting direction of the modulation only for the external signal source indicated Optional...

Страница 165: ...ected by a suffix added to the command Entries without suffix are interpreted like entries with the suffix 1 Example SOURce FM EXTernal2 COUPling AC This command sets the coupling of the second extern...

Страница 166: ...are part of the SOURce command system subsystem FM i e they have two common levels When abbreviating the command line the second command begins with the level below SOURce FM The colon after the semic...

Страница 167: ...e EXTernal COUPling Response AC 2 Maximum values minimum values and all further quantities which are requested via a special text parameter are returned as numerical values Example FREQuency MAX Respo...

Страница 168: ...N are interpreted as special numerical values In the case of a query the numerical value is provided Example Setting command SOURce VOLTage MAXimum Query SOURce VOLTage Response 15 MIN MAX MINimum and...

Страница 169: ...lock data Block data are a transmission format which is suitable for the transmission of large amounts of data A command using a block data parameter has the following structure Example HEADer HEADer...

Страница 170: ...rating semicolon marks the uppermost command level The semicolon separates two commands of a command line It does not alter the path The comma separates several parameters of a command The question ma...

Страница 171: ...r the command does not have a query form whether the command has only one query form whether this command is implemented only with a certain option of the instrument Indentations The different levels...

Страница 172: ...ed 1E3 A vertical stroke in indicating the parameters marks alternative possibilities in the sense of or The effect of the command is different depending on which parameter is entered Example Selectio...

Страница 173: ...nly query OPC OPT only query PRE 0 255 PSC 0 1 RST no query SRE 0 255 STB only query TST only query WAI CLS CLEAR STATUS sets the status byte STB the standard event register ESR and the EVENt part of...

Страница 174: ...sent during a parallel poll OPC OPERATION COMPLETE sets bit 0 in the event status register when all preceding commands have been executed This bit can be used to initiate a service request cf Section...

Страница 175: ...be 0 or 1 RST RESET sets the instrument to a defined default status The command essentially corresponds to pressing the RESET key The default setting is indicated in the description of commands SRE 0...

Страница 176: ...f the servicing of remote control commands The individual components work independently of each other and simultaneously They communicate by means of so called messages RS232 Command recognition Data...

Страница 177: ...flag like the SRQ combines the entire instrument status in a single bit The PPE fulfills an analog function for the IST flag as the SRE for the service request The output buffer contains the messages...

Страница 178: ...ed since the last reading it is the memory of the condition part It only indicates events passed on by the edge filters It is permanently updated by the instrument This part can only be read by the us...

Страница 179: ...parallel poll logical AND logical OR of all bits ESE ESR Error queue Output buffer SRQ RQS MSS ESB MAV Power on User Request Command Error Execution Error Device Dependent Error Query Error vacant Op...

Страница 180: ...nerates a Service Request Thus an error can be recognized and specified in greater detail by polling the error queue The poll provides an informative error message This procedure is to be recommended...

Страница 181: ...s faulty and hence cannot be executed 3 Device dependent Error This bit is set if a device dependent error occurs An error message with a number between 300 and 399 or a positive error number which de...

Страница 182: ...ularly since faulty commands from the controller to the instrument are recorded there as well 11 8 5 Resetting Values of the Status Reporting System Table 11 5 comprises the different commands and eve...

Страница 183: ...read array burst power Burst Power measurement Power time template read burst phase error rms measurement phase error rms read burst phase error peak measurement phase error peak read burst frequency...

Страница 184: ...sel rfg select rf generator conf rfg freq 950 MHz set rfg to 950 MHz conf rfg pow 60 dBm set rf level at RFINOUT conf rfg lev on and switch it on conf rfg freq off 67 kHz set frequency offset conf rf...

Страница 185: ...S s serial number and a code number for the required software option When this information is entered the option will be enabled To enter this numbers an external keyboard is recommended 12 2 Menu hie...

Страница 186: ...labelled Serial Number present There is no need to enter the serial number again if it is already set To enter the serial number press the Serial Number softkey which will move the system into the Ser...

Страница 187: ...must enter it as described in section 12 3 Enable S W Options Menu Test Disabled Choose the software option you want to enable using the arrow softkeys Press the Enable button to enter the Code Number...

Страница 188: ...94 0006 55 12 4 E 3 Enable S W Options Menu Test Enabled The new option is now available for use If the option has been enabled for a limited period of time the option will disappear from use after th...

Страница 189: ...PC keyboard The key of the external keyboard is represented similar to a softkey and given in brackets The default key has a double margin it can be selected with any unused key eg SPACE or ENTER The...

Страница 190: ...he diagnostic voltages no trimming facility is provided If one of these voltages is out of tolerance the module must be replaced Trimming points and rated values at the corresponding test points are d...

Страница 191: ...with x being the baud rate eg b4800 Rates above 9600 baud are not recommended 13 4 2 Command syntax The command structure is similar to that of IEEE bus control A command consists of a command string...

Страница 192: ...at COMMAND LENGTH INVALID Invalid characters or command string too short long PARAMETER RANGE INVALID Invalid numeric value too high low PARAMETER CODE INVALID Invalid code word PARAMETER INCREMENT IN...

Страница 193: ...reqoff 67014 put s1 mod off put s1 freq 925 2e6 put s1 lev 50 set s1 measure level put s1 freq 945 0e6 set s1 measure level put_s1 freq 959 8e6 set s1 measure level put s1 freq 945 0e6 put s1 lev 75 s...

Страница 194: ...uation on the receive path set to maximum to minimize the effect of the local synthesizer diag qpll control voltage of reference frequency PLL txpll control voltage of TX synthesizer PLL rxpll control...

Страница 195: ...tring set rx x OK ERROR error string put pow diode log x diode diode wide log log amp narrow OK ERROR error string set pow x OK ERROR error string meas pow x 20 to 48 dBm step 0 1 dB OK Level in dBm E...

Страница 196: ......

Страница 197: ...sing the instrument to switch to the REMOTE state as soon as it receives these characters since no explicit addressing is possible with the serial remote control Characteristics of the Interface seria...

Страница 198: ...prevent reading of false data if the modem cannot interpret the signals of the remote station DTR Data Terminal Ready active LOW Output indicating that the data terminal is ready to receive data DSR D...

Страница 199: ...e following wiring diagram applies to a controller with 9 pin or 25 pin configuration CTS Controller CTS Controller 9 pin 9 pin 9 pin 25 pin 1 2 3 4 5 6 7 8 9 RxD TxD TxD RxD GND GND 1 3 2 6 5 4 8 7 9...

Страница 200: ...trol and report lines must be crossed The following wiring diagram applies to a controller with 9 pin or 25 pin configuration CTS Controller CTS Controller 9 pin 9 pin 9 pin 25 pin 1 2 3 4 5 6 7 8 9 R...

Страница 201: ...ain any entries Command Error Faulty command sets bit 5 in the ESR register Error code Error text in the case of queue poll Error explanation 100 Command Error The command is faulty or invalid 101 Inv...

Страница 202: ...l number or a 9 in an octal number 123 Exponent too large The absolute value of the exponent is greater than 32000 124 Too many digits The number includes too many digits 128 Numeric data not allowed...

Страница 203: ...pression contains mismatching parentheses 178 Expression data not allowed The command contains a mathematical expression at an impermissible position Example 180 Macro error A faulty macro has been de...

Страница 204: ...e ESR register Error code Error text in the case of queue poll Error explanation 400 Query error General error occurring when data are requested by a query 410 Query INTERRUPTED The query has been int...

Страница 205: ...S test Synchronised Location update is finished MCE MS test Call established MOD Module test in idle state IQSP IQ spectrum active RFG RF generator active BAN Burst Analysis active ALL All states IDLE...

Страница 206: ...a query OFF will be returned instead of the value value denotes a character from a list only list entries are permissible All commands are structured analogously to the SCPI description i e the upper...

Страница 207: ...ng the following Remote Control commands with value being the same GSM850 source correction loss low agsm value source correction loss mid agsm value source correction loss high agsm value GSM900 Sour...

Страница 208: ...g Remote Control commands with value being the same GSM850 source correction loss low agsm value source correction loss mid agsm value source correction loss high agsm value GSM900 sense correction lo...

Страница 209: ...AGNitude numeric_value Value range 0 0 15 0 unit dB Default 0 0 dB State IDLE Option B7 With Query Note Positive values refer to an attenuation N1 Coupler Usage Syntax SOURce CORRection LOSS COUPler v...

Страница 210: ...Equipment Identity IMEI Syntax SENSe SIGNalling IDENtity IMEI Return string max 15 characters State MSYN MCE Option none Query only Note N2 Revision level of mobile Syntax SENSe SIGNalling IDENtity M...

Страница 211: ...Se SIGNalling POWer LEVel indicates the nominal value Syntax SENSe POWer MS Return RF In Out 0 0 ext att 39 ext att unit Dbm State MCE Option none Query only N7 Frequency Band Syntax SENSe SIGNalling...

Страница 212: ...x SENSe SIGNalling POWEr CLASs CURRent SENSe SIGNalling POWEr CLASs SECOnd Return GSM850 1 5 GSM 1 5 GSM1800 1 2 GSM1900 1 2 State MSYN MCE Option none Query only Note Current Power Class information...

Страница 213: ...he MNC to 2 Digits MNC_3 Sets the MNC to 3 Digits Default MNC_3 State Set IDLE Query ALL Option none With Query Note Will not effect GSM900 or GSM1800 MS Syntax CONFigure SIGNalling IDENtity MNC numer...

Страница 214: ...512 885 DCS1900 512 810 Default GSM 70 DCS1800 512 DCS1900 512 State Set IDLE Query ALL Option none With Query Initial Channel number ARFCN for TCH Syntax CONFigure CHANnel TCH ARFCn numeric_value Va...

Страница 215: ...M1900 MULTI handover possible between GSM900 1800 or GSM900 1900 MS permitting Current Network GSM850 SING handover not permitted channel change in GSM900 D190 handover possible between GSM850 GSM1900...

Страница 216: ...ol channel after handover Default LEVEL State Set IDLE Query ALL Option none With Query Note Handover is initiated by using Change of channel for TCH Configurable SMS message Syntax configure sms Valu...

Страница 217: ...uery A Query returns G09 G18 or G19 Test Mode Syntax PROCedure SELect TEST string Value range NONE No test mode initial state MIDL MS test MODidle Module test IQSPec IQ spectrum BANalysis Burst Analys...

Страница 218: ...hannel number ARFCN for TCH C 7 State MCE Option none With query Note Available for Mobile Stations which support E GSM Available for Mobile Stations which support R GSM Power change Mobile Station us...

Страница 219: ...0 1700 1910 in steps of 0 2 MHz DCS1900 1700 1910 in steps of 0 2 MHz Default GSM 903 MHz GSM850 869 MHz DCS1800 1750 MHz DCS1900 1880 MHz State BAN Option B7 With Query Training Sequence Codes Syntax...

Страница 220: ...800 0 1990 0 MHz in steps of 0 2 MHz Default GSM 935 2 MHz GSM850 869 0 MHz DCS1800 1800 0 MHz DCS1900 1950 0 MHz State RFG Option B7 With Query Note The input value is adapted to the step size indica...

Страница 221: ...re RFGen POWer numeric_value Value range 110 0 ext att 50 0 ext att dBm Default 50 0 dBm State RFG Option B7 With Query Output Level RFOUT2 Syntax CONFigure2 RFGen POWer numeric value min Value range...

Страница 222: ...te ALL Option none With Query Value for class II Rate Syntax CONFigure LIMit BER CLII RATE Value range 0 0 100 0 Default 2 6 State ALL Option none With Query Values for erased frames Rate Syntax CONFi...

Страница 223: ...set Maximal number of samples to be sent and test time The maximal number of samples sent in the test is derived from the value for Frames to send These values are only reached in the test if the erro...

Страница 224: ...lies for RBER Measured values of class II Syntax Execute new measurement and signal result Read result only READ SCALar BER CLII BER READ SCALar BER CLII RBER FETCh SCALar BER CLII BER FETCh SCALar BE...

Страница 225: ...ance1 DATA numeric_value CALCulate LIMit POWer TEMPlate TOLerance2 DATA numeric_value Value range Deviation from expected value GSM CALC LIM POW TOL1 0 0 9 9 dB with maximum power control level CALC L...

Страница 226: ...ute level at A 100 0 0 0 dB Relative level at A 100 0 0 0 dB Relative level at B 100 0 0 0 dB Relative level at C 0 0 20 0 dB Relative level at D 0 0 5 0 dB Relative level at E 5 0 0 0 dB Relative lev...

Страница 227: ...lerance NMAT out of Tolerance INV no measurement result available NRAM no ramping NTSC no valid TSC found OUT Out of dynamic range TEAR falling edge of ramp too early THIG value of Phase Frequency err...

Страница 228: ...the burst Syntax Execute new measurement and signal result Read result only READ ARRay BURSt POWer FETCh ARRay BURSt POWer Return value value unit dB State MCE RFG BAN Option none Query only Note No d...

Страница 229: ...MOD Option Note This value can also be adjusted automatically by the SPM calibration routine Calibration Routine Start Syntax PROCedure CALibrate SPM Value range CALIBRATION_OK CALIBRATION_FAILED_WRON...

Страница 230: ...Hz Default 20 0 deg 5 0 deg GSM 90 Hz GSM850 90 Hz DCS1800 180 Hz DCS1900 180 Hz State ALL Option none With Query Query for observance of tolerances Syntax CALCulate LIMit PHFR TOLerance MATChing Ret...

Страница 231: ...d signal result Read result only RMS READ SCALar BURSt PHASe ERRor RMS Peak READ SCALar BURSt PHASe ERRor PEAK RMS FETCh SCALar BURSt PHASe ERRor RMS Peak FETCh SCALar BURSt PHASe ERRor PEAK Return va...

Страница 232: ...or FETCh SCALar BURSt FREQuency ERRor Return value current unit Hz value average unit Hz value maximum unit Hz State MCE RFG BAN Option none Query only Note No default values N5 N7 1 5 4 Timing Measur...

Страница 233: ...of 0 2 MHz DCS1800 1800 2 1989 8 in steps of 0 2 MHz DCS1900 1700 2 1909 8 in steps of 0 2 MHz Default GSM 903 MHz GSM850 893 MHz DCS1800 1750 MHz DCS1900 1880 MHz State ALL Option B7 With Query Sign...

Страница 234: ...150 kHz State IQSP Option B7 Query only Note No default value Measurement of reference power Syntax Execute new measurement and signal result Read result only READ SCALar IQSPectrum POWer REFerence F...

Страница 235: ...Flag USF Syntax CONFigure SIGNalling IDENtity USF Value range 0 7 Default 0 State IDLE MSYN Option K4 With query Note Configure Routing Area Code RAC Syntax CONFigure SIGNalling IDENtity RAC Value ran...

Страница 236: ...values of the error rate Syntax Execute new measurement and signal result Read result only READ GPRS BLER ERROrrate FETCh GPRS BLER ERROrrate Value range 0 100 Unit Default State BLER Option K4 With...

Страница 237: ...alysis RFG RF generator Default IDLE State ALL Option none Query only 1 6 2 Mobile Station Details Query for Mobile Stations Extended GSM capabilities Syntax CALCulate MOBILE EGSM STATus Return NSUP N...

Страница 238: ...Default NSUP MS HSCSD multislot capabilities Syntax Value range parameter is not available A B Dn C Up D Sum where A is a number of uplink slots B is a number of downlink slots C is a multislot class...

Страница 239: ...UP not supported SUPP supported Default State MSYN Option none Only query Note 1 6 3 Write to Hard Disk Write Settings to Hard Disk Syntax PROCedure SET WRIte HD Return ON All changes are saved to har...

Страница 240: ...um and MINimum impermissible Standard Event Status Register Syntax ESR Return 0 255 State ALL Option none Query only Identification Query Syntax IDN Return ROHDE SCHWARZ CTSzz ssssss sss xx xx yy yy y...

Страница 241: ...Register Enable Syntax PRE numeric_value Value range 0 255 Default 0 State ALL Option none With Query Note MAXimum and MINimum impermissible Power on Status Clear Syntax PSC numeric_value Value range...

Страница 242: ...List of Commands Annex C CTS55 1094 0006 55 C 38 E 8 Status Byte Query Syntax STB Return 0 255 State ALL Option none Query only Wait to Continue Syntax WAI State ALL Option none No Query...

Страница 243: ...e initialisation values will be returned 1 8 5 N5 After calling of a READ command all scalar measurement results average power RMS and peak phase error and frequency error are calculated and the desir...

Страница 244: ...34 CALCulate MOBILE EGSM STATus 33 CALCulate MOBILE HRC STATus 34 CONFigure BANalysis POWer EXPected numeric_value 15 CONFigure BANalysis TRIGger MODE value 15 CONFigure BER FRAMestosend numeric_valu...

Страница 245: ...PROCedure SELect TEST string 13 PROCedure SET POWer CMD USED numeric_value 14 PROCedure SET POWer MS numeric_value 14 PROCedure SET WRIte HD 35 R READ ARRay BURSt PHASe ERRor 27 READ ARRay BURSt POWe...

Страница 246: ......

Страница 247: ...1 30 1 30 2 8 39 8 39 0 25 24 0 25 24 3 5 37 5 37 2 33 4 2 33 2 33 5 0 8 29 0 8 29 Mobile Power Control Levels Peak Power dBm Power Control Level GSM 850 GSM 900 DCS 1800 PCS 1900 0 43 43 30 30 1 41...

Страница 248: ...1 100 dBm to 99 dBm 44 67 dBm to 66 dBm 12 99 dBm to 98 dBm 45 66 dBm to 65 dBm 13 98 dBm to 97 dBm 46 65 dBm to 64 dBm 14 97 dBm to 96 dBm 47 64 dBm to 63 dBm 15 96 dBm to 95 dBm 48 63 dBm to 62 dBm...

Страница 249: ...Bit Error Rate Range Mean Value 0 0 2 0 14 1 0 2 to 0 4 0 28 2 0 4 to 0 8 0 57 3 0 8 to 1 6 1 13 4 1 6 to 3 2 2 26 5 3 2 to 6 4 4 53 6 6 4 to 12 8 9 05 7 12 8 18 10 Reference Sensitivity Levels MS Ref...

Страница 250: ......

Страница 251: ...oard Menu 9 42 Config Language 9 39 Config MS Type and MS Type Edit 9 35 Config Network 9 37 Config Password 9 40 Config Phase Freq Menu 9 28 Config Power Ramp 9 27 Config Quicktest Channel 9 34 Confi...

Страница 252: ...2 2 Printer protocol 3 14 9 41 Protective caps 2 1 Q Quality of the received signal RxQual 3 11 Quicktest 1 1 5 1 Quicktest Result Menu 9 15 Quicktest Test Menu 9 14 Quicktest Main Menu 5 4 9 12 R Ram...

Страница 253: ...CTS55 Index 1094 0006 55 I 3 E 8 V Viewing angle 2 3 Voltage selector 2 3 Voltage selector switch 2 2...

Страница 254: ......

Страница 255: ...1079 2001 01 Edition 3 Test and Measurement Division Windows Application CTSgo to CTS K6 Version 1 81 1079 2001 01 Printed in the Federal Republic of Germany...

Страница 256: ......

Страница 257: ...ardware Protocol RTS CTS 8 2 5 Equipment Supplied for CTS K6 8 3 Installation 9 3 1 Preparation 9 3 2 Procedure 9 3 2 1 Step 1 9 3 2 2 Step 2 9 3 2 3 Step 3 9 3 2 4 Step 4 9 3 2 5 Step 5 10 3 2 6 Step...

Страница 258: ...16Slider 19 6 2 CTSgo Program Structure 20 6 3 GSM Autotest Dialog 21 6 3 1 Sequence Control of Autotest 24 6 3 2 Structure of GSM Autotest 25 6 4 GSM Module Test Dialog 26 6 4 1 Sequence Control of...

Страница 259: ...6 Test Set 2 51 7 3 7 Test Set 3 51 7 3 8 Test Set 4 51 7 3 9 Test Set 5 51 7 3 10Test Set 6 51 7 3 11First Disconnect 52 7 3 12Second Connect 52 7 3 13Test Set 7 52 7 3 14Test Set 8 52 7 3 15Test Se...

Страница 260: ...4PP Test Set 5 73 7 5 15PP Test Set 6 74 7 5 16Remote Port 74 7 5 17Change Password 74 7 6 Limits Menu in the GSM Autotest 75 7 6 1 Phase Frequency Timing 75 7 6 2 Average Power 76 7 6 3 BER Measureme...

Страница 261: ...s in the Measurement Report 96 9 4 Appendix to Measurement Report 96 10Drag Drop Support 99 11Exchanging Measurement Report Data 100 12Examples of Application 101 12 1 Simple GSM Echo Test 101 12 2 Ex...

Страница 262: ...n Lost 110 16 8 Level Measurements Frequently out of Tolerance 110 16 9 Measurement Report Cannot be Loaded 110 16 10 Drag Drop not Working 110 16 11 Program Cannot be Configured 110 16 12 Generator S...

Страница 263: ...to open and close a Windows application program and know how to use the mouse For more detailed information on Windows refer to the Microsoft Windows user manual 2 3 Preconditions for System Use The C...

Страница 264: ...5 Equipment Supplied for CTS K6 The GSM Remote Control Option CTS K6 Rohde Schwarz Order No 1079 2001 01 comprises the following software components as well as a document with the CTS unblocking code...

Страница 265: ...set of floppies for the CTSgo variant to be installed 3 2 Procedure 3 2 1 Step 1 Insert the first floppy into the disk drive 3 2 2 Step 2 Select the disk drive where the floppy is inserted With Window...

Страница 266: ...ep is possible at any time by pressing Back 3 2 6 Step 6 The installation software now asks for the target directory where the CTSgo software is to be installed Press Browse if you do not wish to use...

Страница 267: ...may create a new folder or put the icon into an already existing folder 3 2 8 Step 8 The installation software now displays all the settings made before it starts to copy the software components Pres...

Страница 268: ...ocedure can be terminated before completion with Cancel A progress bar informs you on the current installation state 3 2 10 Step 10 During the installation the program may prompt you to insert the nex...

Страница 269: ...6 Windows Application CTSgo 1079 2001 01 13 E 3 3 2 11 Step 11 The installation was success fully completed With the installation terminated the program can be called up Fig Dialog of installation ste...

Страница 270: ...and called again This allows test limits and the extent of tests to be specified for the different types of mobile phones Test results can also be stored Directory example Component Function C CTSGO...

Страница 271: ...tion Other files like configuration files or measurement reports are not cleared If required these files must be manually removed 5 1 Deinstallation under Windows 95 Windows 98 Windows NT 4 0 To deins...

Страница 272: ...king the icons at the left and right end of the title bar the CTSgo window can be reduced to an icon in the task bar displayed at full size or closed 6 1 2 Menu Bar This is the line below the title ba...

Страница 273: ...atus bar general information is displayed eg information on function keys pressed on the keyboard time and program status When a menu command is selected a brief explanation of this command is given i...

Страница 274: ...he selected option is filled in by a point 6 1 10 Check Boxes With these boxes an option can be activated or deactivated The option is activated when an X or hook is displayed in the box It is deactiv...

Страница 275: ...activated 6 1 14 Progress Bars Progress bars indicate the current status of an action 6 1 15 Graphics Result Display Measurement results are reproduced graphically in the form of a bargraph Vertical r...

Страница 276: ...his is an interactive mode where generator settings can be made on the CTS a GSM burst analysis performed and the IQ spectrum viewed GSM report display In this mode recorded GSM measurement reports ca...

Страница 277: ...ests is indicated If required user prompts can also be displayed So for instance the instruction to switch the mobile off and on again to initiate a location update Current Test window where the curre...

Страница 278: ...face At each write and read event the bar is started from the left side The end position of the bar at the right is reached when a timeout of the remote control interface occurs This maximum waiting t...

Страница 279: ...CTS K6 Windows Application CTSgo 1079 2001 01 23 E 3 You are requested to set up a call The righthand key on the mobile shown in green flashes...

Страница 280: ...ence control restarts the autotest The single step com mand changes the appearance of the con trol block The sequence control stops when the single step is terminated The program is in the stop mode T...

Страница 281: ...ncy error measurements Power reduction to BER level Determination of BER query of RXLev RXQual Preparation of test further test runs Setting CTS output level CTS basic configuration Preparation of tes...

Страница 282: ...er a ramped or continuous signal is used The midamble used is indicated in another box of the window To simplify the use of dual band or triple band mobiles the network definition and the RF attenuati...

Страница 283: ...ll appear The appearance in the left frame of the module test dialog window is also changed The parameter set of the burst analysis is now displayed It comprises the selected channel the expected powe...

Страница 284: ...Hz 0 Hz 500 Hz Measurement range Lower limit Bar center Upper limit Default 20 0 20 Minimum 10 0 10 Maximum 40 0 40 Measurement range Lower limit Bar center Upper limit Default 0 5 10 Minimum 0 2 5 5...

Страница 285: ...the numeric and the graphics result display are frozen ie the displayed values are not updated Remote control is however not interrupted This status is terminated with the Continue button The Power r...

Страница 286: ...are available The keypad contains ten buttons IQ Spectrum 01 to IQ Spectrum 10 the left block displays the channel the averaging factor the expected power at the input of the CTS the expected wavefor...

Страница 287: ...the operating mode of the CTSgo program changed by pressing the Return to Autotest button The operating status of CTS is indicated in the status bar The icons have the following meaning Red lamp Param...

Страница 288: ...spectrum Setting valid Network attenuation valid no no yes Setting of IQ spectrum parameter set yes Setting valid Network attenuation valid no no yes Setting of RF analyzer parameter set Perform IQ s...

Страница 289: ...report display This mode of CTSgo is used to display recorded measurement reports For this reason the sequence control is not active and the program is in the stop mode The report mode is selected by...

Страница 290: ...to the section GSM Autotest The DECT autotest comprises the test of the Fixed Part FP for short and the test of the Portable Part PP for short The Fixed Part test is started with since the RFPI can be...

Страница 291: ...Call clear down Modulation measurement graphics scalar measuring drift jitter CTS basic configuration Preparation of tests PP FP configuration part 1 Query of RFPI of FP Setting RFPI in the tester FP...

Страница 292: ...ode indicates the DECT measurement results The DECT report display corresponds to the GSM report display concerning the popup menu and the other characteristics Note Depending on whether GSM report or...

Страница 293: ...where the desired file can be selected You may have to change the directory in this dialog window After the selection of a measurement report the program changes to the report display mode Measurement...

Страница 294: ...e a measurement report A dialog window is opened where the directory can be selected and the report stored under the desired name 7 1 4 Save As This command is similar to the Save command It allows a...

Страница 295: ...the icons Printing is started by a click on the respective icon Click on Close to close the dialog and return to the report display mode 7 1 6 Print In the report display mode the measurement report c...

Страница 296: ...cur when data are imported In this case decimal points are interpreted as commas at 1000s digits So measured values will be incorrect by several orders of magnitude This should be borne in mind partic...

Страница 297: ...the set configuration A dialog window is opened where the directory can be selected and the configuration stored under the desired file name Configuration files are assigned the extension CFG 7 1 12 E...

Страница 298: ...d Three scenarios are possible when the measurement is terminated Display All tests passed Some tests failed A measurement report is not generated as standard After termination of the autotest a small...

Страница 299: ...its the program tries to adapt your logo to the header of the measurement report Optimum results can be obtained with graphics files with the following characteristics Width 900 pixels Height 220 pixe...

Страница 300: ...output All obtained measurement results are lost 7 2 4 Pause The Pause command permits to interrupt the program run The currently performed step of the autotest is completed before the sequence contro...

Страница 301: ...CTS K6 Windows Application CTSgo 1079 2001 01 45 E 3 7 3 Configuration Menu in the GSM Autotest Fig Configuration menu in the GSM Autotest...

Страница 302: ...alband Mobiles are able to use channels of the GSM 900 band as well as channels of the GSM 1800 band You decide the primary network and the handover network The primary network is the one which is use...

Страница 303: ...nel used If you do not know the attenuation of your antenna coupler proceed as described below Establish a connection to your mobile in the manual mode of CTS Set a power of eg 70 dBm for the traffic...

Страница 304: ...umber of bursts to be considered 7 3 3 Select Tests This command opens the Select Tests dialog window By checking the respective boxes you decide whether the call is set up and cleared down once or tw...

Страница 305: ...received and evaluated in the test report Thus the number keys of the mobile can also be easily checked Note This command can only be selected if the first connection is activated for the test 7 3 5...

Страница 306: ...I BER EFR Erased Frames RXQual RXLev The measurements are repeated at all power levels PCLs selected in the boxes As an option the test set can be assigned a short name which will also be displayed in...

Страница 307: ...r the test 7 3 8 Test Set 4 You can determine the measurements to be performed in the selected TCH channels For details refer to the description under Test set 1 Note This command can only be selected...

Страница 308: ...he respective box whether the CTSgo program expects a call from the mobile or whether the call should be set up by the CTS Note This command can only be selected if the second connection is activated...

Страница 309: ...urements to be performed in the selected TCH channel For details refer to the description under Test set 1 Note This command can only be selected if test set 11 is activated for the test 7 3 18 Test S...

Страница 310: ...dapt the settings of CTSgo to those of CTS by checking the respective box The serial interface of your PC and the command line terminator should also be set CR LF should normally be used The timeout o...

Страница 311: ...gram menus is selected you will then be prompted to enter this password After entering a correct password changes can be made in the configuration until the sequence control of the program is started...

Страница 312: ...s RF Generator 1 to RF Generator 10 can be found Select one of these commands in order to edit the desired generator parameter set The CTS provides an RF signal The parameters of this RF signal are se...

Страница 313: ...s entered it is adapted to the channel and frequency offset The entered channel or the conversion to the respective frequency also depends on the currently active network Channels and associated frequ...

Страница 314: ...d press OK to send the settings to the CTS If the current RF signal of the CTS generator should not be changed press the Cancel button Channel GSM900 Frequency 175 875 0 MHz 174 875 2 MHz 0 935 0 MHz...

Страница 315: ...or time synchronization of the received bit sequence Since this sync bit sequence is in the middle of the burst it is called midamble In the third field the expected power can be entered This setting...

Страница 316: ...parameter set is determined by clicking on GSM900 GSM1800 and GSM1900 The input attenuation is also included in the parameter set and can be varied in the respective field Channel GSM900 Frequency 75...

Страница 317: ...later on the popup windows of burst analysis will be opened or closed certain measurements marked or some marking cleared Select the desired display mode and make a mark the Force Displaymode box in t...

Страница 318: ...actor ie the number of burst for averaging The expected power is entered in the third field and then signaled to the CTS Besides the dynamic range of the graphics result display for the power measurem...

Страница 319: ...he currently used band are displayed on a dark background Channel GSM900 Frequency 75 875 0 MHz 74 875 2 MHz 0 890 0 MHz 1 890 2 MHz 2 890 4 MHz 123 914 6 MHz 124 914 8 MHz 449 979 8 MHz 450 980 0 MHz...

Страница 320: ...parameter set also includes the input attenuation which can be varied in the respective field After completing all configurations press OK to send the settings to the CTS If you do not want to change...

Страница 321: ...bearer generated by the CTS The dummy bearer is the carrier to which a portable part is synchronized after it has been switched on The Q packages of the MAC level are sent from the CTS during the PP t...

Страница 322: ...cted for the tests for determination of power and bit error rate in order to take into account the inaccurate determination of the attenuation 7 5 2 FP Base Settings This command is used to call the d...

Страница 323: ...or the coupler they can only be derived from the two values NTP and BER The NTP of portable part and fixed part is typically 24 dBm If no attenuation is entered on the CTS the input attenuation can be...

Страница 324: ...f test sets for the fixed part test and the number of test sets for the portable part test are selected using the respective boxes If you do not want to perform a fixed part test or a portable part te...

Страница 325: ...44 1895 616 1893 888 1892 160 1890 432 1888 704 1886 976 1885 248 1 5 1899 936 1898 208 1896 480 1894 752 1893 024 1891 296 1889 568 1887 840 1886 112 1884 384 1 1899 072 1897 344 1895 616 1893 888 18...

Страница 326: ...TX Measurements Besides the number of bursts to be sent is determined for the power and modulation measurement or the number of bursts to be sent for the timing measurement Note This command can only...

Страница 327: ...s refer to the description of FP test set 1 Note This command can only be called if FP test set 5 is activated for the test 7 5 9 FP Test Set 6 You can determine the tests to be performed for the Traf...

Страница 328: ...1899 072 1897 344 1895 616 1893 888 1892 160 1890 432 1888 704 1886 976 2 1900 800 1899 072 1897 344 1895 616 1893 888 1892 160 1890 432 1888 704 1886 976 1885 248 1 1899 072 1897 344 1895 616 1893 8...

Страница 329: ...Test Set 2 You can determine the tests to be performed for the specified TCH channel For more details refer to the description of test set 1 Note This command can only be called if PP test set 2 is a...

Страница 330: ...f test set 1 Note This command can only be called if PP test set 6 is activated for the tests 7 5 16 Remote Port The same dialog window appears as for the GSM autotest for more information refer to th...

Страница 331: ...settings in the form of a configuration file 7 6 1 Phase Frequency Timing This dialog window permits to define tolerances for frequency error RMS phase error peak phase error and timing error measure...

Страница 332: ...in the Tolerance 2 field The lowest power level which was introduced with GSM phase II is compared with the value entered for Tolerance 3 Tolerances specified for GSM900 are listed in the table below...

Страница 333: ...wo networks is selected in the Configure Network dialog window PCLs 29 30 and 31 defined by GSM1800 are not supported by the CTSgo program PCLs 30 and 31 defined in GSM1900 are not supported by the CT...

Страница 334: ...ferred to the PC as a Passed or Failed message 7 6 3 BER Measurements This command opens the Limits BER dialog window where the tolerances for the bit error rate BER are set BER measurements are recei...

Страница 335: ...u may have to know and enter the path attenuation between CTS and DUT as even minor variations of the mobile input level may cause considerable changes of BER near the maximum sensitivity of the mobil...

Страница 336: ...ould not be too narrow because of the low resolution of this measurement To allow symmetrical tolerance evaluation the base station power for BER should be specified to 0 5 dB An example is given belo...

Страница 337: ...report Note It is recommended to store the settings in the form of a configuration file 7 7 1 NTP Measurements This dialog window permits to define tolerances for Normal Transmit Power NTP measuremen...

Страница 338: ...a number of set bits 1s bits followed by a number of set bits 0s bits and a final 0 1s bit sequence On the average this figure contains as many bits that are set as bits that are not set in the B fiel...

Страница 339: ...section shown below Note Theoretically the interval between two transmit bursts of a fixed part is ten milliseconds The measured deviation from this ideal value constitutes the timing To be able to p...

Страница 340: ...e the dialog with Cancel Set limits are indicated in the second and third column of the measurement report Refer to the report section shown below Note The bit error rate is measured in loop mode of t...

Страница 341: ...7 8 1 Zoom 200 This command expands the result display to 200 of the standard size 7 8 2 Zoom 150 This command expands the result display to 150 of the standard size 7 8 3 Zoom 133 This command expand...

Страница 342: ...and the current result display is reduced by 10 7 9 Help Menu 7 9 1 Contents This command calls the online help of CTSgo You can obtain information on CTSgo by means of the online help without having...

Страница 343: ...CTS K6 Windows Application CTSgo 1079 2001 01 87 E 3 Fig CTSgo help window...

Страница 344: ...on the installation of the operating system It also includes instructions on the use of the help files General help topics of Windows can also be called 7 9 3 Info About This command opens a small di...

Страница 345: ...entity of the measured mobile power class of the mobile and its revision level The CTS identification is indicated in another line Its purpose is to facilitate the assignment of the measurement report...

Страница 346: ...nt For instance setting a lower limit for a BER measurement would not make sense The measured value is indicated in column four Values for passed tests are displayed in green and a hook appears in the...

Страница 347: ...t The graphics display of the power ramp and the phase curve within the burst are appended to the measurement report The curve is shown in blue the tolerance mask is recorded in red Notes The toleranc...

Страница 348: ...late can be obtained from the following tables According to GSM specifications the reference point 0 0 s is positioned in the middle of the bit length of bit 0 The evaluation of the tolerance mask is...

Страница 349: ...0 0 dB 17 0 dBm C 2 0 dB D 4 0 dB E 1 0 dB F 1 0 dB G 2 0 dB H 30 0 dB 17 0 dBm A2 59 0 dB 54 0 dBm GSM 900 PCL 17 Point relative absolute A1 48 0 dB 48 0 dBm B 30 0 dB 20 0 dBm C 6 0 dB D 4 0 dB E 1...

Страница 350: ...e measurement report shows the phase error for each quarter bit in the useful part of the GSM burst Depending on the upper limit of the phase error selected in the CTSgo configuration a red tolerance...

Страница 351: ...ight a logo In contrast to all other information these two elements are also printed on the subsequent pages The Rohde Schwarz logo printed at the right can be replaced by another one When items in th...

Страница 352: ...f which is indicated below 9 3 Summary of Measurements in the Measurement Report A summary of test results is given on the last page of each measurement report together with the number of passed or fa...

Страница 353: ...ed in red Note The tolerance mask is defined at various points A to F The limit lines used by CTSgo in the display of the DECT power time template can be obtained from the following table The evaluati...

Страница 354: ...etween FP and PP This field is followed by the A field which differs from the surrounding fields in longer 0s and 1s sequences The longest part is the B field with the long 1s and 0s bit sequence in i...

Страница 355: ...left mouse key held down and to release the key when the desired position is attained The measurement report files MRP can be moved to the main window After this the measurement report is loaded provi...

Страница 356: ...sion window labeling as well as the information on date and time will be adapted to the desired language During the export of measurement results the number format will be adapted to the country speci...

Страница 357: ...ith OK Select the Test Parameters command in the Configuration menu The Configure Test Parameters dialog window is opened Enter 512 for the BCCH Enter 7 0 dB for input and output attenuation according...

Страница 358: ...ration menu select First Connect and activate Call from Base Station CTS in the Configure First Connect dialog window Confirm the settings with OK Open the Configuration menu and select Test Set 1 Ent...

Страница 359: ...boxes Accept detected RFPI and Use detected RFPI in PP Test For the PMID we keep the default value of EBE8D Enter 0 as antenna Close the dialog window by pressing OK Open the Configuration menu and t...

Страница 360: ...limits and define the extent of the tests When configuration files are loaded they are not checked for changes If CTSgo is to be used by a configurator the directory where the executable CTS_GO EXE fi...

Страница 361: ...would reduce the measurement rate The graphics display remains active until a new entry is found in the sequence or the test run terminated The input of an invalid file name is ignored If the word HIN...

Страница 362: ...ext Filename3 Path to graphics file in BMP format Animated3 1 Graphics animated 0 Graphics not animated 14 2 The Section Daily This section contains 9 entries The individual entries are displayed shor...

Страница 363: ...his section contains three entries The entry Description corresponds to the output in the output field of the autotest This only serves for identification and cannot be overwritten The graphics displa...

Страница 364: ...ideal size of the graphics file cannot be specified in greater detail The graphics display is always increased or reduced to a size that fits exactly into the output window The graphics should not be...

Страница 365: ...ot be Remote Controlled Compare settings of CTSgo and CTS Check whether the employed cable meets the specified requirements 16 4 Program Signals Timeout When setting the remote control interface you c...

Страница 366: ...at the user defined attenuation values are not correct 16 8 Level Measurements Frequently out of Tolerance The CTS considers the set attenuation in the level calculation For this reason the attenuatio...

Страница 367: ...ower that serial data transmission is impaired 16 15 Can Configuration Files be Read or Printed Configuration files have the format of Windows 3 x initialization files Thus they can be read and if nec...

Страница 368: ...1hex Phase error 00002hex Timing 00004hex Average burst power 00008hex Power ramp 00010hex BER class Ib 00020hex BER class II 00040hex BER EFR 00080hex RX Qual 00100hex RX Lev 00200hex Echo test 00400...

Страница 369: ...ialization file CTS_GO INI When the program is started again default values will be loaded Note that thus all values are reset even your own settings DECT Selected Tests Key FP Tests 0001hex FP Test S...

Страница 370: ...rt Menu folder Lower level folders have the same format as the Start menu bar For more detailed information refer to the Windows manual As an alternative Debug 1 can be entered in the Remote section o...

Страница 371: ...kit 47 Carriage Return 40 Carrier 72 Center frequency 82 CFG 14 Channel 27 59 62 90 96 Channel entry 104 Channel input 57 59 63 Channel offset 96 Channel spacing 59 63 Check boxes 18 Checking the ran...

Страница 372: ...Generator mode 26 Generator set 26 Generator sets 27 Generator settings 20 56 German 100 Graphics 105 Graphics file 43 graphics result display 29 Graphics result display 19 green lamp 110 Green lamp 3...

Страница 373: ...9 Output level 26 70 72 73 Output power 90 95 Oversampling 29 30 OWL52F DLL 14 P Parameter set 56 Parameter sets 22 Parity 54 Partial picture 105 Passed 90 95 Password 55 Path 43 Pause 44 PCL 47 76 90...

Страница 374: ...g status 22 Step 44 Stop 44 Stop bits 54 Stop command 24 Stop mode 21 24 27 31 33 110 Structure 25 33 35 subdirectory 43 Summary 91 96 Sync field 98 Synchronization 22 59 90 96 110 System control 15 1...

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