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Summary of Contents for Remotek RP12 WCDMA
- Page 1 RP12 WCDMA RP12 WCDMA RP12 WCDMA RP12 WCDMA Repeater Repeater Repeater Repeater Company Confidential...
- Page 2 Agenda Agenda Agenda Agenda • RP12 WCDMA Repeater • Applications • System Design • Commissioning • Troubleshooting Company Confidential © 2010...
- Page 3 Product Overview Company Confidential © 2010...
- Page 4 Notifications to LED indicators: For RP 12 GSM / CDMA there are 2 LEDs on each RP12-GSM and RP12-CDMA For RP 12 GSM / CDMA repeaters ,One is power LED and the other one is alarm LED. For power LED, it glows when the input power is within 110/220V ± 20% ,and power switch is on.
- Page 5 Notifications to LED indicators: For RP 12 DCS / WCDMA there are 3 LEDs on each repeaters: one LED For RP 12 DCS / WCDMA indicates the status of the repeater and the other 2 are for uplink/downlink power. L1 : Status indicator , it should illuminate green when the repeater is working properly.
- Page 6 Company Confidential © 2010...
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Page 7: Product Overview
Product Overview RP12WCDMA Repeater Specification Electrical Specification Specification Uplink Downlink 1920~1980MHz 2110~2170MHz Maximum Gain ≧60dB Auto Gain Control ≧20dB Max. Output Power ≧15dBm ≧15dBm Gain Flatness ≦10dB（p-p） ≦10dB（p-p） ≧20dBc/30KHZ@±HZ&±HZ Adjacent Channel Rejection Ratio(ACRR) ≦6dB Noise Figure Return Loss ≦- 10dB Spurious Emission Mask Comply with 3GPP TS 25.106 Spurious Emission... - Page 8 Agenda Agenda Agenda Agenda • RP12 WCDMA Repeater • Applications • System Design • Commissioning • Troubleshooting • NOKIA 6680 Tech Mode Company Confidential © 2010...
- Page 9 Application – RP12WCDMA repeater is dedicated for indoor coverage, such as small offices, houses, basements, and public places. – The amount of service antennas can be one to four; omni or panel. – The donor antenna is recommended to be mounted at below 7 floor.
- Page 10 Application Installation - Wall Mounted Company Confidential © 2010...
- Page 11 Application Connection Company Confidential © 2010...
- Page 12 Application Heat Sink Company Confidential © 2010...
- Page 13 Agenda Agenda Agenda Agenda • RP12 WCDMA Repeater • Applications • System Design • Commissioning • Troubleshooting • NOKIA 6680 Tech Mode Company Confidential © 2010...
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Page 14: System Design
System Design Flow Chart of Site Survey Negotiate with house owner to know Negotiate with house owner to know the possible places to mount repeater, the possible places to mount repeater, donor & service antennas. donor & service antennas. Good Check OK Selection of donor Change location of donor... - Page 15 System Design Selection of Donor Signal (WCDMA Tools) Since most of mobile phones nowadays haven’t connecting port of external antenna, directly measured by a engineering-mode mobile phone is also acceptable. Tools Software Tools Software Nokia-6680 Nokia-6630 Field Test Display Cell Track (Cell ID) Company Confidential ©...
- Page 16 System Design Selection of Donor Signal (WCDMA Tools) WCDMA – Three Criteria as below descriptions & formulas Signal Strength RSCP of donor signal is better ranged from -60 to -70 dBm. (Depends) — Signal Quality Ec/No of donor signal must be equal or larger than -7 dB. —...
- Page 17 System Design Isolation Measurement Isolation ≧ ≧ ≧ ≧ Rpt. Gain + 15 = 60 + 15 = 75 (dB) 75 dB is the minimum requirement for the isolation between antennas. Company Confidential © 2010...
- Page 18 System Design Noise Floor Consideration (Uplink) Propagation Loss Rep. Gain + N.F. = 60 + 6 = 66 (dB) ≧ ≧ ≧ ≧ Trough a good design, noise +12dBi -6dB Gain: 60 dB floor will be Noise Figure: 6 dB well controlled.
- Page 19 System Design Technical Proposal / Site Survey Report (Example) Company Confidential © 2010...
- Page 20 System Design Technical Proposal / Site Survey Report (Example) Company Confidential © 2010...
- Page 21 System Design Technical Proposal / Site Survey Report (Example) Company Confidential © 2010...
- Page 22 Yagi antenna 4. The outdoor cables are paved along with the wall and the indoor cables on the ceiling of the room. 1/2"cable Name Name Name Name 3F Distribution Map Designer Date Date Date Date 2006/07/20 Remotek Company Confidential © 2010...
- Page 23 Distribution Map (Example) To 3F To Rpt Repeater Primary channel Orientation : N170° CH:72 CID:54212 ANT01 Rxlev: -47dBm Rxqual:0 TA:2 Secondary Channel CH:78 Rxl:-56dBm Name Name Name Name Donor Antenna Picture Designer Date e e e 2006/07/12 Remotek Company Confidential © 2010...
- Page 24 1. Lable: repeater 1/2"cable ANT-----antenna PS-----splitter HUB-----repeater 3-way splitter 2.Cable loss Yagi antenna loss of 1/2"cable: 7dB/100m omni-driectional antenna loss of 7/8"cable: 4dB/100m Name Name Power Budget Map Name Name Remotek Designer Data Data Data Data 2006/07/12 Company Confidential © 2010...
- Page 25 Agenda Agenda Agenda Agenda • RP12 WCDMA Repeater • Applications • System Design • Commissioning • Troubleshooting • NOKIA 6680 Tech Mode Company Confidential © 2010...
- Page 26 Commissioning Flow Chart of Commissioning Complete installation of Complete installation of repeater, cables, & antennas repeater, cables, & antennas (Power is still off) (Power is still off) Good Check OK Check cables and VSWR test for Check cables and N.G. VSWR test for connectors feeder system...
- Page 27 Commissioning VSWR Test Site Master or Similar Equipment Method DTF of site master Purpose Measure the cable length Measure the cable quality Company Confidential © 2010...
- Page 28 Commissioning Isolation Test Coverage System Donor Antnena Signal Generator Setting Spectrum Analyzer Frequency: 920MHz (GSM) Setting 1795MHz (DCS) Central Frequency: Same 1940MHz (WCDMA) with signal generator Output Power: 15dBm ( or above) RBW=30 KHz Spectrum Analyzer Signal Generator VBW=30 KHz Isolation = Signal Generator Output Power –...
- Page 29 Agenda Agenda Agenda Agenda • RP12 WCDMA Repeater • Applications • System Design • Commissioning • Troubleshooting • NOKIA 6680 Tech Mode Company Confidential © 2010...
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Page 30: Troubleshooting
To decide the orientation of donor ant., it is suggested (5). Repeater was already damaged. to use a test mobile with a adaptor cable which is connected to the donor ant. (5). Contact with Remotek through our agent. Company Confidential © 2010... - Page 31 Troubleshooting Q2: Poor speech quality in the coverage area Possible Reason Troubleshooting (1). RxQual of donor signal is originally bad. (1). Re-orientate or re-locate donor ant. in order to find another donor signal. The alternative way is to contact (2). Adjacent-channels or Co-channels were the engineer of operator to fix the BTS problem.
- Page 32 Troubleshooting Q3: Low Call Setup Successful Rate in the coverage area Possible Reason Troubleshooting (1). RxQual of donor signal is originally bad. (1). Re-orientate or re-locate donor ant. in order to find another donor signal. The alternative way is to contact (2).
- Page 33 Troubleshooting Q4: High Drop Call Rate in the coverage area Possible Reason Troubleshooting (1). Input donor signal is too weak. (1). Increase input signal level by re-orientate or re-locate donor antenna. If possible, the alternative way is to (2). RxQual of donor signal is originally bad. change the orientation of BTS antenna (3).
- Page 34 THANK YOU Company Confidential © 2010...
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