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Remotek R84DLI-W19L17-2S User Manual

Dual band ics repeater
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Dual Band ICS Repeater
User's Manual
This document applies to:
R84DLI-W19L17-2S
R84DLI-W21L26-2S

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Summary of Contents for Remotek R84DLI-W19L17-2S

  • Page 1 Dual Band ICS Repeater User’s Manual This document applies to: R84DLI-W19L17-2S  R84DLI-W21L26-2S...
  • Page 2 Remotek to its customers pursuant to a contract for the purchase of the products described herein. If the possessor of this document is an entity or individual not party to a sales contract with Remotek, or is not otherwise intended by Remotek to receive this document and the information in it, you are hereby notified that such possession is unauthorized and is in derogation of Remotek’s proprietary interests.
  • Page 3 This document is written for Remotek and customer service personnel, who install, configure and commission the repeater system in a cellular network.

  • Page 4: Table Of Contents

    Dual Band ICS Repeater User Manual Table of Contents GENERAL ...........................5 ........................... 5 ARRANTY ........................5 AFETY NFORMATION ........................6 THER RECAUTIONS GSM A ....................7 MPLIFICATION IN BAND ..................8 NTRA BAND NTERFERENCE REVENTION ICS R ....................8 ESTRICTIONS OF EPEATERS INTRODUCTION TO CHANNEL REPEATERS ..............10 ......................
  • Page 5 Dual Band ICS Repeater User Manual 4.2.2 Start-up the Repeater ..........................32 4.2.3 Gain Setting .............................32 4.2.4 Control Panel Operation .........................32 MAINTENANCE ........................36 ......................36 LARMS AND OLUTIONS ........................38 ROUBLESHOOTING ......................38 EPEATER EPLACEMENT ................39 ATTERY AINTENANCE AND EPLACEMENT 5.4.1 Battery Description ..........................39 5.4.2 Ratings (per cell) ............................39 5.4.3 Caution ..............................39...

  • Page 6: General

    This entire manual should be read and understood before operating or maintaining the repeater system. Remotek assumes no liability for customer's failure to comply with the precautions mentioned. This warranty will not cover such failures to comply. 1.2 Safety Information ...

  • Page 7: Other Precautions

    Some electronic parts contain carcinogenic constituents, so please handle with care and discard them in a safe place if damaged.  A 3-pin mains socket is recommended by Remotek to provide grounding connection for the repeater.  RF arrestor is recommended to connect to the repeater’s BTS port.

  • Page 8: Gsm Amplification In Lte Band

    Dual Band ICS Repeater User Manual 1.4 GSM Amplification in LTE band If GSM system (band) is being amplified within the Repeater LTE band along with the LTE system together, the following status could happen.  AGC Alarm  Insufficient output power for the LTE system ...

  • Page 9: Intra-Band Interference Prevention

    Dual Band ICS Repeater User Manual signal are at same signal strength. 4. When there is no way to find the GSM signal strength less or equal to the LTE signal strength at the original donor antenna location, please relocate the donor antenna location. 5.
  • Page 10 Dual Band ICS Repeater User Manual In order to ensure the Interference Cancellation of the ICS repeater to functioning properly, there must be a guard band at least 400 KHz on each side of the ICS repeater’s amplifying bandwidth. Fail to fulfill this guard band requirement would result in degradation of the interference cancellation ability of the ICS repeater.

  • Page 11: Introduction To Channel Repeaters

    Dual Band ICS Repeater User Manual 2 Introduction to Channel Repeaters 2.1 System Introduction With the development of modern cellular telecommunication, satisfying customer everywhere has become a leading trend for the wireless communication industry. Since the RF signal’s transferable traits and obstacle caused by artificial and natural objects, blind area and weak signal areas are easy to appear.

  • Page 12: Basic Repeater System Components

    Dual Band ICS Repeater User Manual Figure 2 Above is an example of repeater’s indoor application. The Yagi antenna is used as the donor antenna, and it is placed outside of the building where it has easy access to the donor Node B/eNode B.

  • Page 13: Advantages Of Repeater

    Dual Band ICS Repeater User Manual coaxial cables have low attenuation properties and are ideal for longer cable run installations.  Jumper Cables Jumper cables have the flexible characteristic and they provide an easy way to connect antennas, splitters and repeaters to coaxial cables. 2.4 Advantages of Repeater ...

  • Page 14: Profile

    Dual Band ICS Repeater User Manual 2.5 Profile Figure 3 Please refer to Section 6.2 Specification part for more details of repeater’s 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.

  • Page 15: Outline Of Available Functions

    Dual Band ICS Repeater User Manual 2.7 Outline of Available Functions  Local Control This function is used when commissioning or checking repeater status on site. Repeater is connected to a Laptop using the micro USB cable. Operators can configure, check parameters such as gain, alarm parameters etc.

  • Page 16: Installation

    Dual Band ICS Repeater User Manual 3 Installation 3.1 Preparation Ensure the power to be accessed is within the repeater’s working range: AC 240V. A separate circuit breaker is recommended. Ensure there’s sufficient isolation between the donor and service antennas. Ensure there are adequate resources to handle the weight of the repeater.

  • Page 17: Donor Antenna

    Net Monitor function. The antennas are usually selected and purchased by the customer. Remotek will provide recommendations for the most suitable types of antenna based on our experience for a successful and trouble free installation of the repeater if required.

  • Page 18: Service Antenna

    Dual Band ICS Repeater User Manual For 4G system. RSRP at the BTS port of the repeater is recommended to be at least -100dBm with SINR greater than 15dB. When installing the donor antenna in a relatively high location, lightning arrestor is necessary.

  • Page 19: Isolation

    Dual Band ICS Repeater User Manual 3.2.2.2 Service Antenna Installation It is necessary to find a good location for the service antenna in order to achieve best coverage. For indoor coverage, the conditions below need to be considered: Avoid installing near metal or obstacles that may influence its coverage performance. Install the antenna at least 2m above the floor for the best coverage and for the convenience of passers-by.
  • Page 20 Dual Band ICS Repeater User Manual loss between the antennas needs to be at least 15dB above the DL gain value used by the repeater. The R8XDLI series repeater is also known as the ICS repeater. Therefore, the Isolation requirement is different from normal RF repeaters. For the normal RF repeaters the Isolation value needs to be at least 15dB above the gain value.
  • Page 21 Dual Band ICS Repeater User Manual The repeater has the Isolation detection function, please refer to section 4.2.4.2  Theoretical calculation (for reference only) The physical isolation between the donor and service antennas can be theoretically estimated using the following formulas. Vertical Isolation: I(dB) = 28 + 40 log(D/λ) Horizontal Isolation: I(dB) = 22 + 20 log(D/λ) –...

  • Page 22: Ics Repeater With Intelligent Mode

    Dual Band ICS Repeater User Manual Figure 7 A relatively strong transmitting power from the signal generator is recommended (excess of 25dBm) for easy recognition and detection by the spectrum analyzer. For example, signal generator sends out a signal 859MHz with 25dBm power level. The signal scanned by the spectrum analyzer = –70dBm.

  • Page 23: Repeater

    Dual Band ICS Repeater User Manual When the PA shuts down, it can be switched on via either local connection or remote connection (via repeater connection software). When the PA is switched on, the isolation value would be measured again. The isolation measurement is based on the repeater gain, and there may be a 1 to 3dB difference, in order to compensate this difference, the Intelligent Mode would be activated when the isolation value equals to Repeater gain –...
  • Page 24 Dual Band ICS Repeater User Manual Figure 9 3.3.1.2 Rod Mount Installation: Rod diameter: 3.5-6 inch. Fasten the rack tightly to the vertical rod as shown in figure below. Figure 10 Secure the repeater 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...

  • Page 25: Connecting Feeder And Power Cables

    Dual Band ICS Repeater User Manual 3.3.2 Connecting Feeder and Power Cables Once the repeater has been installed, follow the procedures below to connect the cables:  Connect the donor antenna cable to the BTS port and service antenna to the MS port. Form a half loop for both cables in the shape of just before connecting to the BTS port and the MS port, so water can be prevented from flowing towards the ports.

  • Page 26: Modem Working Requirements

    Dual Band ICS Repeater User Manual battery power also off. Otherwise the micro SIM card cannot be initialized successfully. Find the location to insert the micro SIM card on the bottom side of the control unit in the repeater. Plug in the micro SIM card directly with the metal part facing down. (When micro SIM card needs to be removed, just slightly push the micro SIM card in, and the micro SIM card will be ejected) Push the SIM card to eject it Figure 12...
  • Page 27 Dual Band ICS Repeater User Manual less than -85dBm antenna is Method 2 If the Remote Connection to the repeater still cannot be established, please contact the distributor. v1.1 Page 26 UM-R8XDLIM-HY-01...

  • Page 28: Commissioning

    Dual Band ICS Repeater User Manual 4 Commissioning The following chapter outlines the process to optimize the performance of the repeater. The gain setting, isolation, downlink output power, and repeater uplink noise contribution will be considered 4.1 Commissioning Principle 4.1.1 Downlink Output Power To ensure the required power of the repeater is achieved at the MS port of the repeater, the following condition should be met.

  • Page 29: Ul Noise Floor

    Dual Band ICS Repeater User Manual Suppose maximum output power of repeater is 37dBm and its gain is 95dB: So, when input power is weaker than -58dBm, output power = Input Power + 95dB When input power is stronger than -58dBm, output power = 37dBm 4.1.2.2 Link Budget Below provides an example of calculating the link budget of the repeater system.

  • Page 30: Isolation

    Dual Band ICS Repeater User Manual amplification process. For a WCDMA repeater system the uplink noise produced by repeater can be estimated using the following equations: (For LTE system, change the thermal noise from -108dBm to -104dBm.) UL Noise Floor = -108dBm + UL Gain + Noise Figure of Repeater………………….……1 This amplified noise floor can be introduced to Node B.

  • Page 31: Repeater Configuration

    Dual Band ICS Repeater User Manual Isolation is an important condition that MUST be met for trouble free operation of the repeater. To ensure the repeater’s working properly, the following equation MUST be met. Isolation ≥ (DL Gain of Repeater + 15dB) – 30dB Refer to Section 3.2.3 Isolation for further details about isolation and how to measure the value.
  • Page 32 Dual Band ICS Repeater User Manual So, DL Gain = Min {(DL Total Output Power – 8dB – Input Power), Maximum DL Gain} Example: For WCDMA Repeater: Suppose DL Total Output Power = 37dBm; DL Gain = 95dB; ＝ Rxpower = -55dBm; G 8dBi;...

  • Page 33: Start-Up The Repeater

    Dual Band ICS Repeater User Manual DL gain = 77dB (as previously calculated in 4.2.1.1) and Isolation is83dB In this condition, the DL Gain does not need to be decreased to meet the isolation requirement: DL Gain = 77dB UL Gain = DL Gain – 5dB = 72dB 4.2.2 Start-up the Repeater Below outlines the procedures and conditions when switching on the repeater ...
  • Page 34 Dual Band ICS Repeater User Manual 4.2.4.1 LED& Button Description Figure 16  LED Indicators Indicators ALARM MODEM Light color Yellow Yellow Blue Yellow  RUN LED: Indicates that the repeater is running.  ALARM LED: Indicates an alarm or multiple alarms occurred. (Note: Repeater “Door Open Alarm would not cause this Alarm LED to be lighted.) ...
  • Page 35 Dual Band ICS Repeater User Manual When the battery is charging, the LED would have a solid light. When the battery is removed, the LED would be OFF.  Buttons All the buttons need to be pressed via a thin rod sticking into the button holes. ...
  • Page 36 Dual Band ICS Repeater User Manual Push to insert the micro Micro SIM card SIM card. Insert the micro SIM card for Slot Push to eject the micro SIM remote connection purpose. card Push to insert the micro SD card. Insert the micro SD card for Micro SD card Slot Push to eject the micro SD...

  • Page 37: Maintenance

    Dual Band ICS Repeater User Manual 5 Maintenance 5.1 Alarms and Solutions When an alarm is triggered, the Alarm LED would be red and displayed on the front panel. In order to determine the alarm type, please use the OMS Lite software. The following table lists the different alarms and possible solutions to correct the fault.
  • Page 38 Check all the modules connections inside M/S Module Comm. the repeater. If this no faulty connection The connections between modules Failure can be found, contact Remotek for quick are faulty. service. v1.1 Page 37 UM-R8XDLIM-HY-01...

  • Page 39: Troubleshooting

    Dual Band ICS Repeater User Manual 5.2 Troubleshooting Below is a table that lists some of the possible conditions, reasons and solutions for abnormal repeater status, please check the troubleshooting methods listed below. Malfunction Quick-search Methods and Steps Phenomenon 1. Whether the receiving field intensity (donor Rxpower) becomes weak.

  • Page 40: Battery Maintenance And Replacement

    Dual Band ICS Repeater User Manual If the repeater is not replaced immediately with another unit, make sure to weather protect the open-ended cables. 5.4 Battery Maintenance and Replacement 5.4.1 Battery Description The type of battery used for MCU has a major influence on battery lifetime. Please therefore only use 6.0V Nickel-Metal Hydride Cylindrical Cell (including seven 1.2V stack-up cell units);...

  • Page 41: Battery Replacement

    Dual Band ICS Repeater User Manual  Do not attempt to take batteries apart or subject them to pressure or impact. Heat may be generated or fire may result. The alkaline electrolyte is harmful to eyes and skin, and it may damage clothing upon contact.
  • Page 42 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. v1.1 Page 41 UM-R8XDLIM-HY-01...

  • Page 43: Appendix

    Dual Band ICS Repeater User Manual 6 Appendix 6.1 Abbreviations Automatic Gain Control Base Transceiver Station Decrease Downlink DRIVER Driver power amplifier E-GSM Extended GSM Ec/No Receive signal Quality Frequency Converter Global System for Mobile communication Intermediate Frequency Increase Light Emitting Diode Low noise Amplifier Mobile Station Minimum...

  • Page 44: Specification

    Dual Band ICS Repeater User Manual 6.2 Specification R84DLI-W19L17-2S R84DLI-W19L17-2S WCDMA1900 LTE1700 Uplink 1850 - 1910 MHz 1710 ~ 1770 MHz Frequency Range Downlink 1930 - 1990 MHz 2110 ~ 2170 MHz Number of Channels/ Bands 1 band 1 band ≧95 dB...
  • Page 45 Dual Band ICS Repeater User Manual Monitor the Neighbor Cells ARFCN, Power, Cell ID, and LAC. Note: Product specifications, size, and shape are subject to change without notice. Product information presented here is for general reference. Actual product specification may differ from various customer requirements. v1.1 Page 44 UM-R8XDLIM-HY-01...
  • Page 46 Dual Band ICS Repeater User Manual R84DLI-W21L26-2S R84DLI-W21L26-2S WCDMA2100 LTE2600 Uplink 1920 - 1980 MHz 2500 - 2570 MHz Frequency Range Downlink 2110 - 2170 MHz 2620 - 2690 MHz Number of Channels/ Bands 1~2 ch 1 band ≧95 dB Max.
  • Page 47 Dual Band ICS Repeater User Manual Product information presented here is for general reference. Actual product specification may differ from various customer requirements. v1.1 Page 46 UM-R8XDLIM-HY-01...

  • Page 48: W-Dbm Conversion Table

    Dual Band ICS Repeater User Manual 6.3 W-dBm Conversion Table 0.01 10.00 0.11 20.41 0.21 23.22 0.31 24.91 0.41 26.13 0.02 13.01 0.12 20.79 0.22 23.42 0.32 25.05 0.42 26.23 0.03 14.77 0.13 21.14 0.23 23.62 0.33 25.19 0.43 26.33 0.04 16.02 0.14...

  • Page 49: Warranty Provisions And Disclaimer

    6.4.2 Range of Non-Warranty 6.4.2.1 Hardware/Firmware For any of the defects or damages could not be attributed to Remotek, is not covered in this warranty provisions. The non-attribution subjects including but not limited to the following conditions: Force majeure of natural disasters (such as: flood, fire, earthquake, lightning, typhoon…etc.)

  • Page 50: Service In Non-Warranty

    Damages by the AC power of product setup environment, electrostatic or huge change/impact/unstable of magnetic field 6.4.2.2 Software For any of the defects or damages could not be attributed to Remotek, is not covered in this warranty provisions. The non-attribution subjects including but not limited to the following conditions:...
  • Page 51 Dual Band ICS Repeater User Manual In the range of any suitable laws, for any inability about using Remotek hardware or software to access 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,...

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R84dli-w21l26-2s

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