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v1.1

UM-R8XDLIM-HY-01

Page 2

Dual Band ICS Repeater User Manual

Preface

Audience

Thank you for purchasing the Remotek repeater. Strict quality control system procedures are implemented to

ensure you a high quality product; with numerous cellular operators acknowledging the product to be a high

performance, low interference, transparent and simple to operate and maintain

This document is written for Remotek and customer service personnel, who install, configure and commission the

repeater system in a cellular network.

Scope

The information in this manual is intended to support customer engineering practices and policies, site

engineering standards, and relevant safety standards in case of installing and configuring the REMOTEK

repeater to improve communication quality.

The information herein is not meant to supersede the site engineering design documents.

If any of the instructions present a conflict, please contact Remotek Customer Service Department for further

assistance.

How this manual is organized

Chapter 1

General information on safety precautions and warranty

Chapter 2

Provides an introduction to repeater systems and its applications.

Chapter 3

Outlines installation procedures

Chapter 4

Provides examples and calculation for commissioning proposes

Chapter 5

Steps to take and check if problems occur with the repeater.

Chapter 6

Appendix

Text Conventions

This manual uses special paragraphs to call attention to information that is of particular importance to the reader.

Note:

Presents nonessential, but potentially helpful information that helps to understand a topic.

Important:

Presents information to avoid an undesirable result.

Warning:

Notifies the reader of a potentially hazardous situation that could damage the repeater.

Содержание R84DLI-W19L17-2S

Страница 1: ...Dual Band ICS Repeater User s Manual This document applies to R84DLI W19L17 2S R84DLI W21L26 2S ...

Страница 2: ... in this document or from the furnishing or use of the information herein Remotek reserves the right to make changes to any products described herein and does not assume any liability arising out of the applications or use of any product described herein This document and the information in it is the proprietary and confidential information of Remotek that is provided by Remotek to its customers p...

Страница 3: ...y The information herein is not meant to supersede the site engineering design documents If any of the instructions present a conflict please contact Remotek Customer Service Department for further assistance How this manual is organized Chapter 1 General information on safety precautions and warranty Chapter 2 Provides an introduction to repeater systems and its applications Chapter 3 Outlines in...

Страница 4: ...VANTAGES OF REPEATER 12 2 5 PROFILE 13 2 6 BLOCK DIAGRAM 13 2 7 OUTLINE OF AVAILABLE FUNCTIONS 14 3 INSTALLATION 15 3 1 PREPARATION 15 3 2 ANTENNA INSTALLATION 15 3 2 1 Donor Antenna 16 3 2 2 Service Antenna 17 3 2 3 Isolation 18 3 2 4 ICS Repeater with Intelligent Mode 21 3 3 REPEATER 22 3 3 1 Installing the Repeater 22 3 3 2 Connecting Feeder and Power Cables 24 3 3 3 Inserting the Micro SIM Car...

Страница 5: ...NG 38 5 3 REPEATER REPLACEMENT 38 5 4 BATTERY MAINTENANCE AND REPLACEMENT 39 5 4 1 Battery Description 39 5 4 2 Ratings per cell 39 5 4 3 Caution 39 5 4 4 Battery Replacement 40 6 APPENDIX 42 6 1 ABBREVIATIONS 42 6 2 SPECIFICATION 43 6 3 W DBM CONVERSION TABLE 47 6 4 WARRANTY PROVISIONS AND DISCLAIMER 48 6 4 1 Warranty Range 48 6 4 2 Range of Non Warranty 48 6 4 3 Service in Non Warranty 49 6 4 4 ...

Страница 6: ...ned This warranty will not cover such failures to comply 1 2 Safety Information Personnel Safety Before installing or replacing any of the repeater equipment the entire manual should be read and understood Operators need to supply appropriate AC or DC power to the repeater Incorrect power settings can damage the repeater and may cause electrical related injury to the user It is recommended that gl...

Страница 7: ...ctrical grounding facility at the power outlet In order to avoid equipment damage or human injury by lightning static electricity and other phenomenon of leakage electricity Remotek suggest all products must do the electric discharge of the electrical grounding in setup process Power supply components must meet international electro technical commissioning safety standards 1 3 Other Precautions On...

Страница 8: ...ld not meet the listed value on the specification This would result in slower data throughput in the repeater coverage area These three points listed previously would only occur when the GSM system is being amplified within the repeater LTE band When the AGC engaged from 6dB to 10dB for the LTE repeater the AGC alarm would occur Troubleshooting If the repeater has AGC alarm and the output power is...

Страница 9: ...between the 3GPP defined LTE bandwidth and the nearest GSM channel must be at least 200KHz Note The 3GPP defined LTE bandwidths are 1 4MHz 3MHz 5MHz 10MHz 15MHz 20MHz GSM and WCDMA systems If GSM system and the WCDMA system band are being amplified by the repeater within the same band the separation guard band between the effective signal bandwidth of the WCDMA signal and the nearest the GSM chann...

Страница 10: ...guard band requirement would result in degradation of the interference cancellation ability of the ICS repeater From the input signal at the BTS port perspective For the GSM system the input signal Rxlev and Quality at the repeater BTS port must be Rxlev 85dBm RxQual 3 For the WCDMA system the input signal RSCP and Ec No at the repeater BTS port must be RSCP 90dBm Ec No 7dB For the LTE system the ...

Страница 11: ...connection and so on which will cause lots of inconvenience for mobile users ICS repeater gives a brilliant solution to the above problems by extending radio coverage into these areas Using the repeater allows mobile phones to establish connections at these blind areas 2 2 General Installation Layout Figure 1 Above provides a typical installation layout of an outdoor project The repeater is connec...

Страница 12: ...s are sent via the service antenna to the repeater then to the donor antenna and back to the Node B eNode B 2 3 Basic Repeater System Components Splitters Splitters are isolated dividers that split or combine RF power According to the coverage requirement splitter can distribute RF power into several paths to achieve coverage of each area In the meantime mobile signals from different coverage area...

Страница 13: ...rage is achieved The process can be time consuming and most times indoor coverage are not achieved With repeaters separate optimization is carried out while the whole interrelated parameters between systems remain unaffected Same Service Quality with Low investment When coverage needs to be extended or optimized installing a new BTS Node B eNode B or micro cell may not be always the best solution ...

Страница 14: ... dimension 2 6 Block Diagram Figure 4 The downlink signal enters the BTS port duplexer after space transmission After the channel selection amplification through ICS module the downlink signal will be amplified to certain power and transfers to service antenna through MS port duplexer The uplink signal transmission works in the similar way but different direction ...

Страница 15: ...on procedure Adjustable bandwidth Bandwidth can be adjusted either using OMS Lite local or remote connection 31dB Manual Gain Control During installation please attenuate the repeater s DL UL gain taking the path loss value and isolation issue into account to avoid interference towards the Node B eNode B and to optimize coverage region 30dB Isolation Cancellation The 30dB Isolation Cancellation al...

Страница 16: ...here is good heat dissipation and does not face directly to the sunlight Working temperature should within 25 to 55 Recommended tools list Table below list recommended tools that will be required for a successful installation Item Quantity Item Quantity Signal Generator 1 Spectrum Analyzer 1 Laptop 1 Test Mobile 1 Multi meter 1 Electrical Drill 1 Hammer 1 Spanner 2 Screwdriver 1 Waterproof glue 1 ...

Страница 17: ...a 1 Working frequency The donor antenna needs to be compatible with the repeater s operating frequency range 2 Directivity characteristic An antenna with good directivity is recommended it is essential for the repeater to introduce a clean donor signal to amplify 3 Waterproof The donor antenna needs to be waterproof to prevent rainwater from affecting the antenna s characteristics ultimately affec...

Страница 18: ...h good quality due to the interference of signals from various nearby Node B eNode Bs 3 2 2 Service Antenna 3 2 2 1 Service Antenna Selection The service antenna is usually selected and purchased by the customer It needs to meet the requirements below 1 Working frequency The service antenna needs to be compatible with the repeater s operating frequency range 2 Half power Beam width Select the ante...

Страница 19: ...d the isolation issue The angle between donor antenna direction and service direction needs to be greater than 90 degrees The best condition is when the donor and service antennas are installed in opposite direction 180 degrees Repeater is installed on this tower Donor BTS Coverage Area Donor Antenna Direction Service Antenna Direction This angel must be bigger than 90 Figure 5 3 When installing t...

Страница 20: ...put port to its input port For a wireless repeater insufficient isolation between donor and service antennas will result in self oscillation Figure 6 As shown in the above diagram the donor antenna receives a RF signal f1from the Donor Node B eNode B after amplification by the repeater with a gain G the signal radiates out via the service antenna Part of f1 f1 radiates back towards the donor anten...

Страница 21: ...cle needs to be added into the equation Physical Test To obtain an accurate and more precise estimation of the isolation value a physical measurement may be carried out to obtain the isolation value for the actually environment where the repeater is installed The measurement procedures are Connect a signal generator to the donor antenna cable as illustrated below and transmit a known frequency and...

Страница 22: ...an 95dB 15dB 110dB the Isolation requirement is met 3 2 4 ICS Repeater with Intelligent Mode The mechanism of the ICS repeater with intelligent works as follows Mechanism When Repeater Isolation Repeater Gain 11dB Repeater Gain Repeater Gain Repeater Gain 13dB Repeater Gain Repeater Gain 1dB Repeater Gain 14dB Repeater Gain Repeater Gain 2dB Repeater Gain 15dB Repeater Gain Repeater Gain 3dB Repea...

Страница 23: ... difference in order to compensate this difference the Intelligent Mode would be activated when the isolation value equals to Repeater gain 13dB 3 3 Repeater 3 3 1 Installing the Repeater 3 3 1 1 Wall Mount Installation Drill four holes in the wall and fasten the rack onto the wall as illustrated in the table below Distances between holes are listed in the table Figure 8 Secure the repeater onto t...

Страница 24: ...r onto the rack and lock the two sides of the upper section tightly using the M screws provided In order to achieve the estimated lifetime of the equipment please avoid the equipment from direct exposure in the sunlight also reserve an open space at least 30cm in length above the equipment for ventilation and heat dissipation purpose Please install repeater with the standard process we presented t...

Страница 25: ...9 91 0 59 27 71 0 69 28 39 0 79 28 98 0 89 29 49 0 99 29 96 0 60 27 78 0 70 28 45 0 80 29 03 0 90 29 54 1 00 30 00 W dBm W dBm W dBm W dBm W dBm 1 30 00 11 40 41 21 43 22 31 44 91 41 46 13 2 33 01 12 40 79 22 43 42 32 45 05 42 46 23 3 34 77 13 41 14 23 43 62 33 45 19 43 46 33 4 36 02 14 41 46 24 43 80 34 45 31 44 46 43 5 36 99 15 41 76 25 43 98 35 45 44 45 46 53 6 37 78 16 42 04 26 44 15 36 45 56 ...

Страница 26: ...signal at the repeater BTS port meets the following requirement High Output Power Repeaters OP 30dBm SYSTEM GSM DCS CDMA AWS WCDMA Input Donor Signal Strength at the Repeater BTS Port Rx Level 65dBm RSCP 70dBm RSCP 75dBm If the input power for the repeater does not meet the requirements that are listed in the table above the modem may NOT WORK properly Please try to find a better donor signal for ...

Страница 27: ...v1 1 UM R8XDLIM HY 01 Page 26 Dual Band ICS Repeater User Manual antenna is less than 85dBm Method 2 If the Remote Connection to the repeater still cannot be established please contact the distributor ...

Страница 28: ... can be adjusted by setting an attenuation value The maximum output power of the repeater is determined by the linearity of the amplifier block of the repeater For any given input signal power its corresponding output is increased by the gain of the repeater the output power will increase along a linear curve based on the fix gain value If the input signal amplified by the gain set exceeds the rat...

Страница 29: ...st the direction of the donor antenna or change the donor antenna location to receive a stronger signal 2 Change the donor antenna to a higher gain donor antenna Signal Strength Donor Ant Gain Cable Loss Repeater Gain Repeater Output Cable Loss Service Ant Gain Path Loss Received Signal Strength 85dBm 16dBi 2dB 95dB 24dBm 1dB 16dBi 127dB 88dBm Method 1 Increaser Signal Strength 80dBm 16dBi 2dB 95d...

Страница 30: ...ossible By combining equations 1 and 2 together a suitable uplink gain value of the repeater can be calculated to ensure the noise level reaching the Node B is below 108dBm Example Suppose repeater s UL gain is 95dB while noise figure is 6dB Figure 15 Propagation Loss BTS Output Power Repeater Input Power 37dBm 52dBm 89dB UL Gain 95dB Propagation Loss Noise Figure of Repeater 85dB 6dB 79dB UL Gain...

Страница 31: ...H Strength at Donor Antenna without donor antenna gain Rxpower Gain of Donor Antenna GAnt Loss of Coaxial Cable L based on Cable Spec With the information above DL gain setting can be calculated in the following manner Input Power Rxpower GAnt L So DL Gain Min DL Total Output Power Input Power 10dB Maximum DL Gain In WCDMA system to preserve some space for traffic channel repeater s output power n...

Страница 32: ...o the Node B eNode B there will be high input power at the BTS port interference may exist even when the attenuation has reached its maximum value It is recommended to add an RF attenuator at repeater s BTS port to avoid interference to the Node B eNode B 4 2 1 3 Isolation Refer to section 3 2 to obtain the isolation value and ensure the isolation condition meet As defined above UL Gain DL Gain 5d...

Страница 33: ... parameters is required Start the repeater Once the repeater is on it requires several seconds for initialization Set the repeater s UL and DL gain to the value calculated before Refer to section 4 2 3 Shut down the repeater Remove the terminators and then connect the repeater s BTS and MS ports to donor and service antennas Restart the repeater to finish the commissioning 4 2 3 Gain Setting Gain ...

Страница 34: ... be OFF 2 When there is SIM card inserted in the modem and the modem is working the Modem LED would be lighted 3 When the micro USB is connected to the repeater for local connection Modem LED would be OFF B T LED Three Status 1 When there is no Bluetooth module installed the LED would be OFF 2 When the repeater is connected via Bluetooth connection the B T LED would be lighted 3 When the micro USB...

Страница 35: ...on It is used to set the whole repeater settings back to factory default settings BAT Button Two situations 1 When the repeater has no external power and is OFF press the BAT Button to enable the battery to start up the MCU but the repeater RF part is not working The BAT LED flashes slowly 2 When the repeater is switched OFF The battery would still provide power for the MCU but the RF part of the ...

Страница 36: ...IM card Slot Push to insert the micro SIM card Push to eject the micro SIM card Insert the micro SIM card for remote connection purpose 4 Micro SD card Slot Push to insert the micro SD card Push to eject the micro SD card Insert the micro SD card for firmware upgrade purpose ...

Страница 37: ... donor and service antenna And then adjust the gain to meet the isolation DL Low O P Alarm 1 DL input power of repeater is low 2 Too much attenuation value has been set according to insufficient isolation 3 Unsuitable setting in repeater 4 Amplifier inside the repeater has been damaged 1 Adjust the donor antenna to receive a stronger signal Input signal of repeater within 40dBm 60dBm is recommende...

Страница 38: ...es of repeater may have been accidentally shifted from the OMS Lite software 1 Execute the Default Setting through OMS Lite Refer to OMS Lite User s Manual for more detail 2 If the alarm cannot be solved it means repeater has been damaged Please return the damaged FC module to place of purchase for repair Master Power Failure If the repeater s power input is shut down the back up battery inside th...

Страница 39: ...nomenon while repeater closed then there are some problems on receiving 2 Check on the voltage of PA UL LNA 3 Whether the gain UL is close to DL gain value 4 If the transmission power is high when it is near the service antenna there are some problems in PA and LNA If the transmission power is high afar increasing some uplink gain can solve this problem Unstable Coverage Signal Maybe it is caused ...

Страница 40: ...ndard Charge mA 60 0 1C Ta 0 70 C hr 16 Permanent Charge mA 18 0 03C 30 0 05C Ta 0 70 C Trickle Charge mA 18 0 03C After standard charge Ta 0 70 C Discharge Cut off Voltage V 1 0 Unit cell Storage Temperature C 20 60 1wk 20 35 Discharged state open circuit Typical Weight g 13 0 Unit Cell Note Ta Ambient Temperature 5 4 3 Caution Batteries should be charged prior to use For charging methods please ...

Страница 41: ...battery before use Do not mix new batteries in use with semi used batteries over discharge may occur When connecting a battery pack to a charger ensure correct polarity When the battery is hot please do not touch it and handle it until it has cooled down Do not remove the outer sleeve from a battery pack nor cut into its housing When find battery power down during use please switch off the device ...

Страница 42: ...v1 1 UM R8XDLIM HY 01 Page 41 Dual Band ICS Repeater User Manual Figure 19 Install a new battery to replace the old one and follow the previous steps reversely to complete the battery replacement ...

Страница 43: ...C Frequency Converter GSM Global System for Mobile communication IF Intermediate Frequency INC Increase LED Light Emitting Diode LNA Low noise Amplifier MS Mobile Station Min Minimum OMT Operation Maintenance Terminal P GSM Primary GSM PA Power Amplifier PLL Phase Locked Loop RF Radio Frequency RSSI Receive Signal Strength Indication Rxpower Receive signal Level SIM Subscriber Identity Module TEMP...

Страница 44: ...dBm total output power 37 dBm total output power Out of Band Gain Comply with 3GPP Spurious Emission Comply with 3GPP Spectrum Emission Mask Comply with 3GPP ACRR Comply with 3GPP Peak Code Domain Error 35 dB Spreading Factor 256 EVM 12 5 8 Frequency Stability 0 01 ppm Noise Figure 6 dB Return Loss 14 dB Group Delay 11 uS Interference Cancellation 30 dB RF Connector N Female or 4 3 10 Female Imped...

Страница 45: ...itor the Neighbor Cells ARFCN Power Cell ID and LAC Note 1 Product specifications size and shape are subject to change without notice 2 Product information presented here is for general reference Actual product specification may differ from various customer requirements ...

Страница 46: ...mply with 3GPP Comply with 3GPP Spectrum Emission Mask Comply with 3GPP Comply with 3GPP ACRR Comply with 3GPP Comply with 3GPP Peak Code Domain Error 35 dB Spreading Factor 256 EVM 12 5 8 Frequecy Stability 0 01 ppm Noise Figure 6 dB typical Return Loss 14 dB Group Delay 11 uS Interference Cancellation 30 dB RF Connector N Female or 4 3 10 Female Impedance 50Ω Power Supply AC 110 220 V 50 60 Hz P...

Страница 47: ...v1 1 UM R8XDLIM HY 01 Page 46 Dual Band ICS Repeater User Manual 2 Product information presented here is for general reference Actual product specification may differ from various customer requirements ...

Страница 48: ... 0 86 29 34 0 96 29 82 0 57 27 56 0 67 28 26 0 77 28 86 0 87 29 40 0 97 29 87 0 58 27 63 0 68 28 33 0 78 28 92 0 88 29 44 0 98 29 91 0 59 27 71 0 69 28 39 0 79 28 98 0 89 29 49 0 99 29 96 0 60 27 78 0 70 28 45 0 80 29 03 0 90 29 54 1 00 30 00 W dBm W dBm W dBm W dBm W dBm 1 30 00 11 40 41 21 43 22 31 44 91 41 46 13 2 33 01 12 40 79 22 43 42 32 45 05 42 46 23 3 34 77 13 41 14 23 43 62 33 45 19 43 4...

Страница 49: ...ping month 6 4 1 2 Hardware Firmware During the warranty period for Remotek s products any defects caused customers active send back to Remotek Remotek will provide repair service for free 6 4 1 3 Software During the warranty period any bug exists in software that Remotek provided Remotek will update new software for free 6 4 2 Range of Non Warranty 6 4 2 1 Hardware Firmware For any of the defects...

Страница 50: ...rules of user s manual 6 4 3 Service in Non Warranty Remotek will keep providing after service in non warranty period 6 4 3 1 Hardware Firmware I Any shipping or transporting fees need pay by customers II Remotek will charge reasonable fees for repaired product parts and manpower working III For the repaired part and components of product in non warranty period Remotek will provide another six mon...

Страница 51: ...data loss of or corruption to data loss of business loss of profits loss of revenue and anticipated savings business interruption or the like for any direct indirect incidental consequential loss or damage whatsoever in each case arising out of the use of or inability to use the hardware software even if Remotek has been advised of the possibility of such loss or damage ...

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