【資料名稱(chēng)】：愛(ài)立信GSM無(wú)線網(wǎng)絡(luò)優(yōu)化指導(dǎo)書(shū)

【資料作者】：張春明 李雅琳 吳基淑 陳剛 伍儀勝

【資料日期】：2008

【資料語(yǔ)言】：中文

【資料格式】：PDF

【資料目錄和簡(jiǎn)介】：

1無(wú)線網(wǎng)絡(luò)優(yōu)化概述.................................................................................................6
1.1無(wú)線網(wǎng)絡(luò)優(yōu)化的基本內(nèi)容 ............................................7
1.1.1網(wǎng)絡(luò)指標(biāo)優(yōu)化...........................................................................................7
1.1.2用戶可以感知的網(wǎng)絡(luò)性能的優(yōu)化...............................................................8
1.1.3疑難問(wèn)題的處理與解決.............................................................................8
1.2無(wú)線網(wǎng)絡(luò)優(yōu)化基本流程..............................................8
1.2.1網(wǎng)絡(luò)性能的勘查與數(shù)據(jù)收集......................................................................8
1.2.1.1小區(qū)數(shù)據(jù)的收集（CDD的收集）..........................................................9
1.2.1.2統(tǒng)計(jì)數(shù)據(jù)的收集...................................................................................11
1.2.1.3路測(cè)文件、CQT數(shù)據(jù)的收集...............................................................11
1.2.2小區(qū)數(shù)據(jù)的一致性檢查...........................................................................12
1.2.3BSC的PROPERTY的檢查與修改 ...............................................................12
1.2.4SAE的檢查..............................................................................................15
1.2.5STS統(tǒng)計(jì)的檢查.......................................................................................16
1.2.6頻率和鄰區(qū)的檢查和修改........................................................................16
1.2.7無(wú)線功能的檢查和修改...........................................................................17
1.2.8路測(cè)分析.................................................................................................17
2無(wú)線統(tǒng)計(jì)概述 ......................................................................................................19
2.1建議收集的無(wú)線STS 統(tǒng)計(jì)...........................................23
2.1.1BSC級(jí)別 .................................................................................................23
2.1.1.1BSC....................................................................................................23
2.1.1.2LOAS..................................................................................................23
2.1.2小區(qū)(級(jí)別)的Object Type.....................................................................24
2.1.2.1CELLCCHDR .....................................................................................24
2.1.2.2CELLCCHHO.....................................................................................24
2.1.2.3CELCONF ..........................................................................................25
2.1.2.4CELEVENTD......................................................................................25
2.1.2.5CELEVENTH......................................................................................25
2.1.2.6CELEVENTI .......................................................................................26
2.1.2.7CELEVENTS ......................................................................................26
2.1.2.8CLSDCCH..........................................................................................27
2.1.2.9CLTCH ...............................................................................................27
2.1.2.10CELTCHF...........................................................................................28
2.1.2.11CLTCHDRF ........................................................................................29
2.1.2.12DOWNTIME........................................................................................30
2.1.2.13IDLEUTCHF .......................................................................................30
2.1.2.14CELLSQI *..........................................................................................30
2.1.2.15CELLHCS...........................................................................................31
2.1.2.16RANDOMACC....................................................................................31
2.1.3與鄰區(qū)相關(guān)的Object Types ...................................................................31
2.1.3.1NCELLREL.........................................................................................32
2.1.3.2NECELLREL ......................................................................................322.1.3.3NECELHO..........................................................................................32
2.1.3.4NICELASS .........................................................................................32
2.1.3.5NECELASS........................................................................................33
2.1.3.6NICELHO ...........................................................................................33
2.2STS統(tǒng)計(jì)的提取與處理.............................................34
2.2.1STS統(tǒng)計(jì)的定義.......................................................................................34
2.2.1.1設(shè)置包含的 Object Type ....................................................................34
2.2.1.2統(tǒng)計(jì)文件的定義...................................................................................35
2.2.2統(tǒng)計(jì)文件的提取......................................................................................39
2.2.2.1通過(guò) OSS提取....................................................................................39
2.2.2.2通過(guò)終端提取......................................................................................40
2.2.2.3通過(guò) IOG的光盤(pán)驅(qū)動(dòng)器提取 ...............................................................40
2.2.3統(tǒng)計(jì)文件的處理......................................................................................41
2.3無(wú)線KPI公式.....................................................41
2.3.1BSC級(jí)別的統(tǒng)計(jì).......................................................................................41
2.3.2隨機(jī)接入統(tǒng)計(jì)的公式...............................................................................42
2.3.3SDCCH的統(tǒng)計(jì)公式...................................................................................42
2.3.4TCH統(tǒng)計(jì)公式..........................................................................................43
2.3.5和切換有關(guān)的統(tǒng)計(jì)公式...........................................................................44
2.3.6與掉話原因相關(guān)的統(tǒng)計(jì)...........................................................................44
2.4CMCC統(tǒng)計(jì)公式介紹................................................45
2.4.1CMCC所要求的計(jì)數(shù)器和愛(ài)立信相對(duì)應(yīng)的計(jì)數(shù)器......................................45
2.4.2CMCC所考核的設(shè)計(jì)無(wú)線的指標(biāo)...............................................................50
3無(wú)線網(wǎng)絡(luò)優(yōu)化中的指標(biāo)優(yōu)化.................................................................................52
3.1概述............................................................. 52
3.2隨機(jī)接入性能.....................................................54
3.2.1概述........................................................................................................54
3.2.2相關(guān)的計(jì)數(shù)器及公式...............................................................................54
3.2.3隨機(jī)接入分析.........................................................................................55
3.2.3.1隨機(jī)接入原因分析...............................................................................55
3.2.3.2隨機(jī)接入性能分析...............................................................................56
3.2.4隨機(jī)接入處理流程..................................................................................58
3.3SDCCH擁塞 .......................................................60
3.3.1概述........................................................................................................60
3.3.2在SDCCH上所發(fā)生的事件........................................................................60
3.3.2.1正常的位置更新...................................................................................61
3.3.2.2IMSI Attach/Detach ...........................................................................61
3.3.2.3周期性位置更新...................................................................................61
3.3.2.4呼叫建立.............................................................................................62
3.3.2.5短消息.................................................................................................62
3.3.3SDCCH的配置..........................................................................................62
3.3.3.1SDCCH的配置類(lèi)型............................................................................63.3.3.2SDCCH的配置方式及相關(guān)參數(shù)..........................................................63
3.3.4相關(guān)的計(jì)算器及公式...............................................................................65
3.3.5SDCCH擁塞的分析...................................................................................65
3.3.6解決SDCCH擁塞的流程...........................................................................67
3.4SDCCH掉話 .......................................................69
3.4.1概述........................................................................................................69
3.4.2相關(guān)的計(jì)數(shù)器及公式...............................................................................69
3.4.3SDCCH掉話率分析...................................................................................70
3.4.4SDCCH掉話的分析流程............................................................................72
3.5TCH的擁塞.......................................................74
3.5.1概述........................................................................................................74
3.5.2相關(guān)的計(jì)數(shù)器及公式...............................................................................74
3.5.3TCH擁塞分析..........................................................................................75
3.5.3.1檢查硬件的可用率...............................................................................75
3.5.3.2檢查話務(wù)量的趨勢(shì)...............................................................................75
3.5.3.3檢查天線的位置...................................................................................75
3.5.3.4檢查 HCS的使用及相關(guān)參數(shù) ..............................................................76
3.5.3.5檢查擁塞小區(qū)周?chē)�的小區(qū)是否擁塞......................................................76
3.5.3.6進(jìn)行小區(qū)的擴(kuò)容...................................................................................76
3.5.4解決TCH擁塞的分析流程........................................................................76
3.6TCH掉話.........................................................78
3.6.1概述........................................................................................................78
3.6.2相關(guān)的計(jì)數(shù)器及公式...............................................................................79
3.6.3TCH掉話分析..........................................................................................82
3.6.3.1檢查 LOCATING參數(shù)的設(shè)置..............................................................82
3.6.3.2檢查無(wú)線功能參數(shù)...............................................................................82
3.6.3.3檢查小區(qū)的輸出功率...........................................................................83
3.6.3.4檢查掉話原因......................................................................................83
3.6.3.5檢查切換過(guò)程中的掉話........................................................................87
3.6.3.6檢查基站的位置...................................................................................87
3.6.3.7檢查基站的告警...................................................................................87
3.6.3.8檢查傳輸質(zhì)量......................................................................................87
3.6.3.9檢查是否部分區(qū)域無(wú)主覆蓋.................................................................87
3.6.3.10進(jìn)行路測(cè).............................................................................................87
3.6.3.11進(jìn)行現(xiàn)場(chǎng)勘測(cè)......................................................................................88
3.6.4解決TCH掉話的流程...............................................................................88
3.7切換性能.........................................................91
3.7.1概述........................................................................................................91
3.7.2相關(guān)的計(jì)數(shù)器及公式...............................................................................93
3.7.3切換性能分析.........................................................................................94
3.7.3.1引起切換性能較差的原因....................................................................943.7.3.2切換性能分析......................................................................................94
3.7.4解決切換問(wèn)題的流程...............................................................................95
4客戶可感知的網(wǎng)絡(luò)性能的優(yōu)化 .............................................................................98
4．1DT、CQT測(cè)試分析工具和數(shù)據(jù)收集....................................98
4.1.1測(cè)試工具......................................................................................................98
4.1.2數(shù)據(jù)收集.................................................................................................98
4.1.3收集數(shù)據(jù)處理.......................................................................................100
4．2DT分析與問(wèn)題解決................................................ 109
4.2.1 城市DT的分析...........................................................................................109
4.2.2高速 DT的分析..........................................................................................126
4.2.3鐵路 DT的分析..........................................................................................133
5無(wú)線網(wǎng)絡(luò)優(yōu)化中的功能與參數(shù)設(shè)置....................................................................141
5.1GSM網(wǎng)絡(luò)中常用的無(wú)線功能.........................................141
5.2空閑模式的主要參數(shù)設(shè)置 ..........................................141
5.3專(zhuān)用模式下功能與參數(shù)設(shè)置 ........................................149
5.4動(dòng)態(tài)功率控制與參數(shù)設(shè)置 ..........................................161
5.5其他功能的設(shè)置..................................................165
6無(wú)線網(wǎng)絡(luò)優(yōu)化中的頻率規(guī)劃原則........................................................................170
6.1無(wú)線電波和天線..................................................170
6.2傳播模型........................................................176
6.3小區(qū)覆蓋........................................................182
6.4頻率規(guī)劃........................................................192
7優(yōu)化中常見(jiàn)問(wèn)題的處理......................................................................................203
7.1高層建筑覆蓋分析................................................203
7.2XX商廈頻點(diǎn)調(diào)整 ...................................................206
7.3小區(qū)干擾和越區(qū)覆蓋的問(wèn)題 ........................................207
7.4同頻干擾的問(wèn)題..................................................210
7.5下行干擾問(wèn)題....................................................212
7.6上行干擾問(wèn)題....................................................214
7.7切換返回問(wèn)題....................................................217
7.8邊界問(wèn)題........................................................221
7.9SDCCH高掉話問(wèn)題..................................................225
7.10TCH高掉話問(wèn)題 ..................................................227
7.11切換返回率高的問(wèn)題..............................................228
8無(wú)線優(yōu)化中常用的工具簡(jiǎn)介...............................................................................230
8.1IPOS、SPOS、和 Turtle ...........................................230
8.1.1IPOS......................................................................................................230
8.1.2SPOS......................................................................................................230
8.1.3Turtle ..................................................................................................231
8.2MCOM的應(yīng)用 .....................................................232
8.2.1頻率規(guī)劃的應(yīng)用....................................................................................232