【資料名稱】：GSM網(wǎng)規(guī)網(wǎng)優(yōu)案例

【資料作者】：華為

【資料日期】：2005

【資料語(yǔ)言】：中文

【資料格式】：PDF

【資料目錄和簡(jiǎn)介】：
2005-10
1. 某局開(kāi)通半速率后TCH擁塞率（含切換）不降反升問(wèn)題的處理............................................3
2. 同心圓小區(qū)切換參數(shù)設(shè)置不當(dāng)導(dǎo)致頻繁切換.......................................................................3
3. 使用萬(wàn)禾GSM后臺(tái)數(shù)據(jù)分析軟件出現(xiàn)Not a table告警的解決辦法.....................................4
4. 直放站覆蓋區(qū)域出現(xiàn)向其他小區(qū)切換出現(xiàn)單通....................................................................5
5. 直放站未放大TCH頻點(diǎn)造成主被叫困難...............................................................................6
6. E1遠(yuǎn)端告警導(dǎo)致雜音現(xiàn)象...................................................................................................8
7. MSC2將MSC1的小區(qū)設(shè)置為本局?jǐn)?shù)據(jù)導(dǎo)致入BSC切換成功率下降...................................9
8. 主B載頻與TCH載頻電平不一致導(dǎo)致頻繁切換...................................................................10
9. MSC尋呼策略問(wèn)題導(dǎo)致BSC尋呼過(guò)載CPU負(fù)荷過(guò)載.........................................................11
10. 華為BSC與EricssonMSC對(duì)接數(shù)據(jù)錯(cuò)誤導(dǎo)致有載頻有半速率轉(zhuǎn)化但不能使用...............12
11. 同站兩小區(qū)分集饋線接反導(dǎo)致大量用戶投訴信號(hào)波動(dòng)...................................................15
12. RXLEV_ACCESS_MIN設(shè)置問(wèn)題導(dǎo)致信號(hào)波動(dòng)............................................................16
13. MSC60單模塊SCCP處理能力有限導(dǎo)致CR請(qǐng)求次數(shù)過(guò)多時(shí)出現(xiàn)主被叫困難.................18
14. 上下行信號(hào)不平衡導(dǎo)致直放站覆蓋區(qū)域內(nèi)頻繁異常切換...............................................19
15. 外界干擾造成TRX上下行平衡性能測(cè)量值為0的故障處理...........................................21
16. MS最大發(fā)射功率控制等級(jí)設(shè)置不當(dāng)導(dǎo)致網(wǎng)絡(luò)覆蓋縮小.................................................27
17. FAQ—如何提高邊際網(wǎng)切換成功率的方法.....................................................................28
18. A interface congestion lead to call failure........................................................................29
19. Unsuitable hardware configuration in extended cells cause bad handover success rate...31
20. dynomic TCH/H fuction lead to the congestion...............................................................32

2006-05
1 全速率信道數(shù)配置過(guò)少導(dǎo)致靜態(tài)半速率小區(qū)擁塞........................................................3
2 基站放大器問(wèn)題導(dǎo)致干擾掉話案例.............................................................................3
3 調(diào)整載頻優(yōu)化等級(jí)改善特殊擁塞案例..........................................................................5
4 半速率參數(shù)配置不當(dāng)導(dǎo)致BSC C10版本升級(jí)到C13后擁塞率升高.............................7
5 更改交換機(jī)尋址方式解決出BSC切換成功率較低問(wèn)題................................................7
6 BTS20基站GPRS相關(guān)參數(shù)配置錯(cuò)誤導(dǎo)致部分手機(jī)出現(xiàn)兼容性問(wèn)題，無(wú)法附著GSM網(wǎng)絡(luò) 8

2006-07
1 G9切換參數(shù)配置錯(cuò)誤導(dǎo)致G9不能向MSC60切換.....................................................3
2 定向站改全向站導(dǎo)致干擾...........................................................................................4
3 BA1 BA2數(shù)據(jù)配置表中用戶輸入選項(xiàng)為“是”導(dǎo)致路測(cè)中鄰區(qū)無(wú)顯示...........................5
4 某基站緊急擴(kuò)容后撥打測(cè)試指配失敗..........................................................................5
5 搬遷工程中插花基站的CGI漏定義導(dǎo)致切換異常的處理..............................................6
6 光纖直放站耦合器故障引入干擾導(dǎo)致SDCCH掉話率高...............................................7