【資料名稱】：華為TD-SCDMA網(wǎng)絡(luò)優(yōu)化指導(dǎo)書

【資料作者】：華為

【資料日期】：2009

【資料語言】：中文

【資料格式】：PDF

【資料目錄和簡介】：

1TD-SCDMA規(guī)劃指導(dǎo).............................................................................................................7
1.1TD-SCDMA無線網(wǎng)絡(luò)規(guī)劃設(shè)計流程.....................................................................7
1.2信息搜集...................................................................................................................8
1.2.1信息分類...........................................................................................................8
1.2.1.1目標(biāo)區(qū)域信息...................................................................................8
1.2.1.2客戶已有網(wǎng)絡(luò)信息...........................................................................9
1.2.1.3客戶的器件要求信息.......................................................................9
1.2.1.4同地區(qū)其它運營商信息.................................................................10
1.3無線網(wǎng)絡(luò)預(yù)規(guī)劃.....................................................................................................10
1.3.1無線網(wǎng)絡(luò)預(yù)規(guī)劃流程.....................................................................................10
1.3.2無線網(wǎng)絡(luò)估算.................................................................................................10
1.3.3初始站點選擇................................................................................................. 11
1.3.4系統(tǒng)仿真.........................................................................................................13
1.3.4.1仿真前的準(zhǔn)備工作.........................................................................13
1.3.4.2仿真參數(shù)設(shè)置步驟.........................................................................13
1.3.4.3話務(wù)地圖分析.................................................................................14
1.3.4.4仿真結(jié)果分析.................................................................................14
1.4無線網(wǎng)絡(luò)小區(qū)規(guī)劃.................................................................................................15
1.5區(qū)域規(guī)劃.................................................................................................................16
1.5.1RNC區(qū)規(guī)劃...................................................................................................16
1.5.1.1RNC區(qū)規(guī)劃流程...................................................................................16
1.5.1.2RNC區(qū)規(guī)劃原則...................................................................................17
1.5.1.3RNC區(qū)規(guī)劃方法...................................................................................19
1.5.2尋呼區(qū)規(guī)劃.....................................................................................................19
1.5.2.1尋呼區(qū)規(guī)劃流程.............................................................................20
1.5.2.2尋呼區(qū)規(guī)劃原則.............................................................................20
1.5.3服務(wù)區(qū)(SA)規(guī)劃.............................................................................................21
1.6鄰區(qū)規(guī)劃.................................................................................................................21
1.6.1鄰區(qū)規(guī)劃分析.................................................................................................21
1.6.1.1鄰區(qū)規(guī)劃原則.................................................................................21
1.6.1.2異系統(tǒng)鄰區(qū)規(guī)劃分析.....................................................................22
1.7頻點規(guī)劃.................................................................................................................22
1.7.1頻率復(fù)用.........................................................................................................22
1.7.1.1頻率復(fù)用距離.................................................................................22
1.7.1.2同頻復(fù)用比.....................................................................................22
1.7.2干擾對移動網(wǎng)絡(luò)的影響.................................................................................23
1.7.2.1同頻干擾.........................................................................................23
1.7.2.2異頻干擾.........................................................................................23
1.7.3頻率規(guī)劃原理.................................................................................................23
1.7.4 N 頻點組網(wǎng)頻率規(guī)劃.....................................................................................23
1.7.4.1 N 頻點技術(shù).............................................................................................23
1.7.4.2 N 頻點組網(wǎng)的頻率規(guī)劃.........................................................................24 TD-SCDMA網(wǎng)絡(luò)優(yōu)化指導(dǎo)書


第3頁

1.7.5 N 頻點規(guī)劃方法.............................................................................................25
1.7.5.15M同頻組網(wǎng)..........................................................................................25
1.7.5.210M頻率組網(wǎng)........................................................................................25
1.8擾碼規(guī)劃.................................................................................................................27
1.8.1擾碼規(guī)劃分析.................................................................................................27
1.8.1.1TD-SCDMA碼資源...............................................................................27
1.8.1.2碼資源相關(guān)性分析.........................................................................28
1.8.1.3規(guī)劃原則.........................................................................................29
1.8.1.4擾碼分配.........................................................................................30
1.9總結(jié).........................................................................................................................30
2TD-SCDMA優(yōu)化指導(dǎo)...........................................................................................................31
2.1TD-SCDMA無線網(wǎng)絡(luò)優(yōu)化概論...........................................................................31
2.1.1無線網(wǎng)絡(luò)優(yōu)化的意義.....................................................................................31
2.1.2TD-SCDMA與WCDMA網(wǎng)絡(luò)優(yōu)化的區(qū)別.................................................31
2.1.3網(wǎng)絡(luò)優(yōu)化與規(guī)劃設(shè)計的關(guān)系.........................................................................31
2.1.4規(guī)劃軟件與實際優(yōu)化的結(jié)合.........................................................................32
2.2TD-SCDMA無線網(wǎng)絡(luò)優(yōu)化原則...........................................................................33
2.2.1網(wǎng)絡(luò)優(yōu)化流程.................................................................................................33
2.2.2最佳的系統(tǒng)覆蓋.............................................................................................33
2.2.3合理的切換帶的控制.....................................................................................33
2.2.4系統(tǒng)干擾最小.................................................................................................33
2.2.5均勻合理的基站負荷.....................................................................................33
2.3TD-SCDMA無線網(wǎng)絡(luò)優(yōu)化步驟和手段...............................................................34
2.3.1確定優(yōu)化目標(biāo).................................................................................................34
2.3.2單站驗證.........................................................................................................35
2.3.3劃分Cluster ....................................................................................................35
2.3.4確定測試路線.................................................................................................35
2.3.5準(zhǔn)備工具和資料.............................................................................................35
2.3.6覆蓋優(yōu)化.........................................................................................................36
2.3.6.1數(shù)據(jù)采集.........................................................................................37
2.3.6.2RF優(yōu)化...................................................................................................37
2.3.6.3公用信道參數(shù)優(yōu)化.........................................................................38
2.3.6.4導(dǎo)頻污染的優(yōu)化.............................................................................38
2.3.6.5弱覆蓋的優(yōu)化.................................................................................39
2.3.6.6越區(qū)覆蓋的優(yōu)化.............................................................................40
2.3.7網(wǎng)絡(luò)質(zhì)量的優(yōu)化.............................................................................................40
2.3.7.1數(shù)據(jù)采集.........................................................................................40
2.3.7.2小區(qū)選擇與重選參數(shù)。.................................................................41
2.3.7.3接入相關(guān)參數(shù)。.............................................................................41
2.3.7.4切換控制參數(shù).................................................................................41
2.3.7.5功率控制參數(shù).................................................................................41
2.4直放站的優(yōu)化.........................................................................................................42
2.52G/3G 互操作優(yōu)化.................................................................................................42
2.5.1TD 到2G 重選...............................................................................................43 TD-SCDMA網(wǎng)絡(luò)優(yōu)化指導(dǎo)書


第4頁

2.5.22G 到TD 重選流程........................................................................................43
2.5.3TD 到2G 切換流程........................................................................................44
2.5.4PS域的切換流程：.......................................................................................48
3TD-SCDMA基礎(chǔ)知識...........................................................................................................48
3.1TD-SCDMA基本原理...........................................................................................48
3.2TD-SCDMA關(guān)鍵技術(shù)介紹及其對網(wǎng)絡(luò)規(guī)劃優(yōu)化方面的影響...........................49
3.2.1TD-SCDMA系統(tǒng)的技術(shù)特點概述...............................................................49
3.2.2聯(lián)合檢測.........................................................................................................50
3.2.2.1CDMA系統(tǒng)中的干擾............................................................................50
3.2.2.2小區(qū)間干擾.....................................................................................50
3.2.2.3干擾帶來的問題.............................................................................51
3.2.2.4聯(lián)合檢測的定義.............................................................................51
3.2.2.5系統(tǒng)實現(xiàn)中用到的聯(lián)合檢測.........................................................51
3.2.2.6聯(lián)合檢測的優(yōu)點及發(fā)展.................................................................53
3.2.2.7聯(lián)合檢測與智能天線相結(jié)合：.....................................................53
3.2.3智能天線.........................................................................................................54
3.2.3.1智能天線的基本概念.....................................................................54
3.2.3.2智能天線的優(yōu)點.............................................................................54
3.2.3.3智能天線系統(tǒng)的組成.....................................................................56
3.2.3.4智能天線系統(tǒng)的技術(shù)實現(xiàn).............................................................58
3.2.3.5智能天線系統(tǒng)的校準(zhǔn).....................................................................59
3.2.3.6智能天線賦形算法簡介.................................................................60
3.2.3.7TD-SCDMA系統(tǒng)中用到的賦形算法：...............................................61
3.2.4上行同步控制.................................................................................................63
3.2.4.1上行同步概述.................................................................................63
3.2.5動態(tài)信道分配DCA.......................................................................................65
3.2.5.1無線資源管理的基本概念.............................................................65
3.2.5.2動態(tài)信道分配.................................................................................67
3.2.6接力切換.........................................................................................................68
3.2.6.1切換的基本概念.............................................................................68
3.2.6.2觸發(fā)切換的原因.............................................................................68
3.2.6.3切換的分類.....................................................................................69
3.2.6.4TD-SCDMA系統(tǒng)中的切換...................................................................69
3.2.6.4.1切換的基本過程.....................................................................69
3.2.6.4.2測量過程.................................................................................70
3.2.6.4.3判決過程.................................................................................75
3.2.6.4.4執(zhí)行過程.................................................................................76
3.3TD-SCDMA網(wǎng)絡(luò)規(guī)劃的特點...............................................................................79
3.4TD-SCDMA中N 頻點介紹及其對網(wǎng)絡(luò)規(guī)劃、優(yōu)化方面的影響......................80
3.4.1TD-SCDMA網(wǎng)絡(luò)中N 頻點介紹..................................................................80
3.4.2 N 頻點對網(wǎng)絡(luò)規(guī)劃的影響.............................................................................80
3.4.3 N 頻點對網(wǎng)絡(luò)優(yōu)化的影響.............................................................................81
3.53GPP規(guī)范下載......................................................................................................81
4TD-SCDMA無線參數(shù)...........................................................................................................81 TD-SCDMA網(wǎng)絡(luò)優(yōu)化指導(dǎo)書


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4.1參數(shù)使用說明.........................................................................................................81
4.2切換（HO）...........................................................................................................82
4.2.1算法原理.........................................................................................................82
4.2.1.1背景描述.........................................................................................82
4.2.1.2原理介紹.........................................................................................82
4.2.2算法參數(shù).........................................................................................................83
4.2.2.1小區(qū)偏置.........................................................................................83
4.2.2.2面向RNC的切換公共參數(shù)...........................................................84
4.2.2.2.1D2H 同頻切換保護時長........................................................84
4.2.2.2.2D2H 異頻切換保護時長........................................................84
4.2.2.3同頻切換.........................................................................................85
4.2.2.3.1同頻測量層三濾波系數(shù).........................................................85
4.2.2.3.2過濾系數(shù).................................................................................86
4.2.2.3.3同頻測量報告周期.................................................................86
4.2.2.3.4小區(qū)遲滯.................................................................................87
4.2.2.3.5小區(qū)觸發(fā)時間.........................................................................87
4.2.2.3.61G 遲滯時間...........................................................................88
4.2.2.3.71G 事件觸發(fā)時間...................................................................89
4.2.2.4異頻切換.........................................................................................90
4.2.2.4.1異頻測量層三濾波系數(shù).........................................................90
4.2.2.4.22D 遲滯...................................................................................91
4.2.2.4.32D 事件延遲觸發(fā)時間...........................................................92
4.2.2.4.42F遲滯...................................................................................92
4.2.2.4.52F事件延遲觸發(fā)時間............................................................93
4.2.2.4.6異頻切換 CS業(yè)務(wù) 2D 報告門限...........................................94
4.2.2.4.7異頻切換 CS業(yè)務(wù) 2F報告門限............................................95
4.2.2.4.8PS非 H 業(yè)務(wù)異頻測量RSCP啟動門限...............................96
4.2.2.4.9PS非 H 業(yè)務(wù)異頻測量RSCP停止門限...............................96
4.2.2.4.10 H 業(yè)務(wù)異頻測量 RSCP啟動門限.........................................97
4.2.2.4.11 H 業(yè)務(wù)異頻測量 RSCP停止門限.........................................98
4.2.2.4.122A遲滯...................................................................................99
4.2.2.4.132A事件觸發(fā)時間...................................................................99
4.2.2.4.14小區(qū)遲滯...............................................................................100
4.2.2.4.15異頻小區(qū)觸發(fā)時間...............................................................101
4.2.2.4.16報告周期...............................................................................101
4.3上行外環(huán)功控（OLPC）....................................................................................102
4.3.1算法原理.......................................................................................................102
4.3.1.1背景描述.......................................................................................102
4.3.1.2原理介紹.......................................................................................102
4.3.2算法參數(shù).......................................................................................................103
4.3.2.1外環(huán)功率類參數(shù)...........................................................................103
4.3.2.1.1信干比初始目標(biāo)值[dB]........................................................103
4.3.2.1.2最大SIR目標(biāo)值[dB] .........................................................103
4.3.2.1.3最小 SIR目標(biāo)值[dB] .........................................................104 TD-SCDMA網(wǎng)絡(luò)優(yōu)化指導(dǎo)書


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4.3.2.1.4外環(huán)功率調(diào)整周期...............................................................105
4.3.2.1.5SIR最大上調(diào)步長................................................................105
4.3.2.1.6SIR最大下調(diào)步長................................................................106
4.3.2.1.7基于BLER的 SIR上調(diào)步長..............................................106
4.3.2.1.8基于 BLER的 SIR下調(diào)步長..............................................107
4.3.2.1.9測量 SIR所用的濾波系數(shù)...................................................108
4.3.2.1.10檢驗SIR收斂的門限值.......................................................108
4.3.2.1.11SIR測量報告周期................................................................109
4.3.2.1.12觸發(fā)SIR錯誤報告的遲滯時間...........................................109
4.4其他參數(shù)............................................................................................................... 110
4.4.1RNC各主要定時器的使用.......................................................................... 110
4.4.1.1定時器介紹................................................................................... 110
4.4.1.2定時器詳述................................................................................... 110
4.4.1.2.1UE 相關(guān)的空閑模式下定時器參數(shù)..................................... 110
4.4.1.2.2UE 相關(guān)的連接模式下定時器參數(shù)..................................... 113
4.4.1.2.3RNC相關(guān)的呼叫流程狀態(tài)保護定時器參數(shù)......................122
5TD-SCDMA規(guī)劃工具.........................................................................................................136
5.1U-net軟件介紹....................................................................................................136
5.1.1關(guān)鍵特性.......................................................................................................136
5.1.2模塊化配置...................................................................................................137
5.1.3網(wǎng)絡(luò)規(guī)劃與優(yōu)化平臺...................................................................................138
5.1.3.1GIS功能...............................................................................................138
5.1.3.2信號傳播模型...............................................................................139
5.1.3.3用戶和數(shù)據(jù)庫管理.......................................................................139
5.1.3.4任務(wù)自動操作及腳本...................................................................140
5.1.3.5分布式算法...................................................................................140
5.1.3.6打印和報告生成...........................................................................140
5.1.3.7測量模塊（可選）.......................................................................141
5.1.4TD-SCDMA..................................................................................................141
5.1.4.1網(wǎng)絡(luò)建模.......................................................................................141
5.1.4.2話務(wù)流量建模...............................................................................141
5.1.4.31.4.3 仿真和分析.................................................................................141
5.1.4.4智能天線建模...............................................................................142
5.1.4.5鄰小區(qū)和擾碼規(guī)劃.......................................................................142
5.1.4.62G/3G 共網(wǎng)規(guī)劃...................................................................................142
6TD-SCDMA優(yōu)化案例.........................................................................................................142
6.1弱覆蓋引起掉話...................................................................................................142
6.2乒乓切換引起掉話...............................................................................................144
6.3信號波動引起掉話...............................................................................................145
6.4越區(qū)覆蓋引起掉話...............................................................................................147
6.5干擾引起掉話.......................................................................................................148
6.6由于質(zhì)量差引起的掉話.......................................................................................150
6.7室內(nèi)分布系統(tǒng)切換成功率低...............................................................................151