【資料名稱】：諾西Flexi Multiradio BTS, EDGE（MCPA）問題匯總

【資料作者】：諾西

【資料日期】：2011年10月

【資料語言】：英文

【資料格式】：其它

【資料目錄和簡介】：

List of Generic Faults
LGF-2GBTSmr-2011-w41
Base Stations
Flexi Multiradio BTS, EDGE
October 2011

Table of Contents
1. About this document...................................................................................................................5
1.1 Problem description.................................................................................................................................5
2. Recommendations for Flexi Multiradio BTS..............................................................................7
2.1 BSC SW Build Recommendations...........................................................................................................7
3. Open problems targetted for EX3.1 PP2.2.................................................................................8
3.1 (UPDATED) VSWR value step size 0.2 instead of 0.1............................................................................8
3.2 Unnecessary blocking alarm activated for RRH during low traffic hours.................................................8
3.3 RRH not detected anymore after Radio Module block-unblock from 3G BTS Manager.........................8
3.4 Can not unlock sector (BTS) object from the BSC after swap to MR EDGE BTS..................................9
3.5 Meaningless DL and UL Centre Frequencies shown on BTS Mgr..........................................................9
3.6 Sometimes alarms are not getting cancelled at 2G BTS in RF-sharing site.........................................10
4. Open problems targeted for EX3.1 MP3.0................................................................................11
4.1 (NEW) RF DL instantaneous bandwidth for a pipe of FHDA / FHEA A101 and A102 is too large.......................................................................................................................................................11
4.2 No alarms reported for GSM TRX(s) after blocking shared RF Module from 3G BTS..........................11
4.3 Degradation in Up Link RX Quality observed in KPI results..................................................................12
4.4 Problems with RET commissioning in RF-Sharing site.........................................................................12
4.5 Unnecessary alarm “RF module detected too high Tx power" reported and cancelled during Abis breaks............................................................................................................................................13
4.6 BTS Site Manager has a memory leak..................................................................................................13
4.7 Unexpected 7602 - "RF module ambient temperature outside operating range" alarm........................13
5. Open problems targeted for EX4.1 MP1.0................................................................................15
5.1 (UPDATED) No calls possible with Feederless site concept with 30 Km to 40 Km distance................15
6. Corrected Problems in EX3.1 PP2.1.........................................................................................16
6.1 2G BTS do not recover after 3G power break in RF Sharing site.........................................................16
6.2 Unnecessary alarm “RF Module has detected no TX power in internal filter block” activated after recovery.........................................................................................................................................16
7. Corrected Problems in EX3.1 MP2.0.........................................................................................17
7.1 (NEW) Incorrect BTS Manager view after downgrading from EX3.1 MP2.0 to EX3.1 PP1.3...............17
7.2 (NEW) AISG2.0 MHA can not be commissioned with 24V Feeder voltage..........................................17
7.3 Sometimes after FXxx reset, TRX test and call attempts are failed......................................................18
7.4 After BSS reset, unexpected alarm are started requiring manual recovery..........................................18
7.5 MHA current does not always appear in commissioning report............................................................18
7.6 After BSS reset, MS-BS distance changed in some sites.....................................................................19
7.7 MDDA and MDPA MHA Gain Settings are not configurable when MHA is commissioned in Non-AISG Mode.....................................................................................................................................19
7.8 SCF not read and error message shown when operating system is configured in a language other than English..................................................................................................................................19
7.9 VSWR fault not reported for TCH only antenna, when CS calls not ongoing........................................20
7.10 Slow site recovery after BTS SW activation..........................................................................................20
7.11 Bad DL/UL-quality and increased TCH drop call rate after BSS restart................................................21
7.12 3rd party AISG2.0 MHAs can not be commissioned into use...............................................................21
7.13 Unexpected “Too few antennas available for Rx diversity" alarm raised in Antenna Optimized site.........................................................................................................................................................22
7.14 Decreased capacity after reconfiguration when TRXs are split across branches due to power budget....................................................................................................................................................22
© Nokia Siemens Networks CONFIDENTIAL Company Confidential 2 (45)
7.15 Site name is changed back to default one.............................................................................................23
7.16 Not possible to select AISG2.0 MDDA / MDPA with 33dB gain during commissioning........................23
7.17 Alarm 760x “RSSI detected RX signal difference exceeding threshold” started after alarm MHA settings changed during append commission..............................................................................23
7.18 Clock sync source shown as Internal even if BTS is synchronized to PCM..........................................24
7.19 Misleading alarm diagnostic information given for RFM missing scenario............................................24
7.20 RFM EAC alarms for TRX object with critical severity are not reported................................................25
7.21 Unexpected 7606 - "TRX object allocation failed in RF module" alarms during recovery.....................26
7.22 Timing Advance fluctuates in 900 Band sectors....................................................................................26
7.23 TRX tests failed with reason 'Loop point opening/closing failed on requested RFM branch................26
8. Corrected problems in EX3.1 PP1.3.........................................................................................28
8.1 Alarm 7738 “BTS WITH NO TRANSACTIONS” is unexpectedly raised...............................................28
9. Corrected Problems in EX3.1 PP1.2.........................................................................................29
9.1 After EX3.1 MP1.0 SW activation, site lost all signalling links...............................................................29
9.2 BTS unlocking fails with sector IDs higher that 3001............................................................................29
10. Corrected Problems in EX3.1 PP1.1........................................................................................30
10.1 Alarm 7738 “BTS WITH NO TRANSACTIONS” is unexpectedly raised...............................................30
10.2 2G BTS Site Manager will not connect to the BTS site after BCF object is unlocked at the BSC........................................................................................................................................................30
10.3 RF module antenna port stops working with EX3.1 MP1.0...................................................................31
10.4 Site reset when fetching snapshot logs.................................................................................................31
11. Corrected Problems in EX3.1 MP1.0........................................................................................32
11.1 Unexpected 7607 - RF module detected too high TX power alarm......................................................32
11.2 Non-optimised UL level in EX3.1...........................................................................................................32
11.3 EGPRS Downlink throughput degraded................................................................................................33
11.4 Sometimes the site is not able to process calls.....................................................................................33
11.5 Updates to CL are not taken into use from an MP release of a older EM if a later main release is already installed....................................................................................................................34
11.6 Misleading TRX Test result with antenna optimised configuration........................................................35
11.7 BTS Manager allows user to enter illegal characters into SCF.............................................................35
11.8 RX diversity does not work after re-commissioning at BTS manager...................................................35
11.9 BCCH reconfiguration does not work if TRX’s are split on two branches due to frequency budget....................................................................................................................................................36
11.10 Cannot send SCF if BCF is locked at the BSC when the BTS power is turned on...............................37
11.11 Alarm 7606 “ESMx internal SRIO Link is Faulty” reported after BCF reset...........................................37
11.12 Unnecessary alarms are raised during runtime.....................................................................................38
11.13 GCS Connection tool does not populate connection fields...................................................................38
11.14 BTS Alarm window not refreshing properly in 2G Flexi BTS Manager..................................................39
11.15 Test Pattern Transmission is shown as ONGOING on the BTS Manager, even after completion and reports not cleared when deleted.................................................................................39
11.16 Missing 7606-'ESMx System Module has lost connection to FXxx RF Module' alarm.........................40
11.17 Timing Advance offset of 2-3 observed in KPI testing when compared to Flexi EDGE........................40
11.18 No alarm when no RF power coming out from any of the branches and TRX objects in WO state.......................................................................................................................................................41
12. Problem solved without changes in the BTS SW or no correction required.......................42
12.1 VSWR alarms misbehaving at runtime with FXDJ RF modules............................................................42
12.2 TRX test failed during commissioning with reason High error rate due to RF failure............................42
12.3 Flexi Multiradio BTS package cannot be imported into NetAct due to master file name change.........42
12.4 Confusing object number for RM, RRH and ESMB/C at the BSC.........................................................43
12.5 GCS installation fails when attempted during BTS Mgr installation......................................................43
© Nokia Siemens Networks CONFIDENTIAL Company Confidential 3 (45)
Contact:
Contact your local Nokia Siemens Networks support or GSM/EDGE BTS Technical Support: bts.technicalsupport@nsn.com
Summary of changes:
10-Oct-2011
Version 1.0
Approved version