第1 章 概述................................................................................................................................................. 1
1.1 TD-SCDMA 無線網(wǎng)絡(luò)優(yōu)化概論....................................................................................................... 1
1.1.1 TD-SCDMA 無線網(wǎng)絡(luò)優(yōu)化概論............................................................................................. 1
1.1.2 TD-SCDMA 無線網(wǎng)絡(luò)優(yōu)化的意義......................................................................................... 1
1.1.3 TD-SCDMA 與2G 無線網(wǎng)絡(luò)優(yōu)化的區(qū)別............................................................................... 2
1.1.4 TD-SCDMA 無線網(wǎng)絡(luò)優(yōu)化與規(guī)劃設(shè)計(jì)的關(guān)系...................................................................... 2
1.2 TD-SCDMA 無線網(wǎng)絡(luò)優(yōu)化指導(dǎo)思想與原則.................................................................................... 3
第2 章 TD-SCDMA 無線網(wǎng)絡(luò)優(yōu)化流程.................................................................................................... 5
2.1 TD-SCDMA 網(wǎng)絡(luò)優(yōu)化步驟............................................................................................................... 5
2.2 設(shè)備檢查........................................................................................................................................... 6
2.2.1 工作描述................................................................................................................................. 6
2.2.2 告警檢查................................................................................................................................. 6
2.2.3 無線參數(shù)檢查.......................................................................................................................... 6
2.3 數(shù)據(jù)采集........................................................................................................................................... 8
2.3.1 工作描述................................................................................................................................. 8
2.3.2 DT 數(shù)據(jù)采集分析..................................................................................................................... 9
2.3.3 CQT 數(shù)據(jù)采集.........................................................................................................................11
2.3.4 OMC 數(shù)據(jù)采集....................................................................................................................... 12
2.3.5 用戶投訴數(shù)據(jù)采集................................................................................................................ 12
2.3.6 告警數(shù)據(jù)采集........................................................................................................................ 12
2.3.7 信令跟蹤數(shù)據(jù)采集................................................................................................................ 12
2.4 數(shù)據(jù)分析及問題定位...................................................................................................................... 13
2.4.1 DT 數(shù)據(jù)分析........................................................................................................................... 13
2.4.2 CQT 數(shù)據(jù)分析........................................................................................................................ 14
2.4.3 OMC 性能統(tǒng)計(jì)數(shù)據(jù)分析....................................................................................................... 15
2.4.4 用戶投訴數(shù)據(jù)分析................................................................................................................ 15
2.4.5 信令性能分析........................................................................................................................ 16
2.4.6 優(yōu)化前網(wǎng)絡(luò)評估.................................................................................................................... 21
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2.4.7 常用數(shù)據(jù)分析方法.................................................................................................................21
第3 章 TD-SCDMA 參數(shù)優(yōu)化...................................................................................................................25
3.1 工程參數(shù)優(yōu)化..................................................................................................................................25
3.2 無線參數(shù)優(yōu)化調(diào)整...........................................................................................................................25
3.2.1 無線參數(shù)調(diào)整的類型，前提和注意事項(xiàng).............................................................................25
3.2.2 鄰區(qū)參數(shù)................................................................................................................................25
3.2.3 擾碼和頻點(diǎn)參數(shù).....................................................................................................................26
3.2.4 廣播和導(dǎo)頻信道覆蓋控制.....................................................................................................26
3.2.5 呼通率的控制.........................................................................................................................26
3.2.6 切換成功率的相關(guān)無線參數(shù).................................................................................................29
3.2.7 掉話的控制.............................................................................................................................31
第4 章 TD-SCDMA 網(wǎng)絡(luò)優(yōu)化案例分析...................................................................................................33
4.1 覆蓋相關(guān)..........................................................................................................................................33
4.1.1 弱覆蓋....................................................................................................................................33
4.1.2 越區(qū)覆蓋................................................................................................................................37
4.1.3 PCCPCH 污染.........................................................................................................................38
4.2 業(yè)務(wù)相關(guān)..........................................................................................................................................41
4.2.1 掉話........................................................................................................................................41
4.2.2 起呼........................................................................................................................................47
4.2.3 切換問題................................................................................................................................53
4.2.4 PS 業(yè)務(wù)問題............................................................................................................................56
4.2.5 異系統(tǒng)干擾.............................................................................................................................58
4.2.6 終端問題................................................................................................................................61
第5 章 網(wǎng)絡(luò)整體性能優(yōu)化.........................................................................................................................65
5.1 網(wǎng)絡(luò)開通前的整體優(yōu)化...................................................................................................................65
5.2 網(wǎng)絡(luò)開通后的整體優(yōu)化...................................................................................................................66
5.3 2G/3G 的協(xié)同優(yōu)化............................................................................................................................66
5.4 網(wǎng)絡(luò)整體覆蓋優(yōu)化KPI ...................................................................................................................67
5.5 網(wǎng)絡(luò)整體業(yè)務(wù)性能優(yōu)化KPI ...........................................................................................................68