【資料名稱】：廣州移動TD-SCDMA室內分布系統(tǒng)專項優(yōu)化報告V1.0-廣州銀禾網(wǎng)絡通信有限公

【資料作者】：廣州銀禾網(wǎng)絡通信有限公司

【資料日期】：2008

【資料語言】：中文

【資料格式】：PDF

【資料目錄和簡介】：

1、概述.....................................................................................................................1
2、TD-SCDMA室內分布系統(tǒng)介紹.........................................................................2
2.1 TD-SCDMA室內分布方式.................................................................................2
2.1.1按傳輸介質分類...............................................................................................2
2.1.2按是否使用有源器件分類................................................................................4
2.2 TD-SCDMA分布系統(tǒng)的典型應用場景.............................................................5
2.3 TD-SCDMA室內分布改造內容.........................................................................6
2.3.1信源和分布方式的選取...................................................................................6
2.3.2合路方式介紹...................................................................................................8
2.3.3饋線的改造.......................................................................................................9
2.3.4無源器件改造.................................................................................................10
2.3.5天線的改造.....................................................................................................10
3、TD-SCDMA室內分布優(yōu)化關鍵技術...............................................................11
3.1室內信源簡介....................................................................................................11
3.2天線覆蓋半徑規(guī)劃............................................................................................12
3.2.1室內傳播模型.................................................................................................12
3.2.2邊緣場強的確定.............................................................................................12
3.2.3天線口功率考慮.............................................................................................13
3.2.4天線布放考慮.................................................................................................14
3.3系統(tǒng)底噪計算....................................................................................................15
3.4上下行平衡.......................................................................................................17
3.5有源設備調測....................................................................................................17
3.6室內外切換分析................................................................................................18
3.7室內分布系統(tǒng)干擾協(xié)調....................................................................................20
3.7.1分布系統(tǒng)內部的干擾分析..............................................................................20
3.7.2分布系統(tǒng)間的干擾分析.................................................................................20
4、TD-SCDMA室內分布優(yōu)化流程.......................................................................23
4.1室內優(yōu)化目標....................................................................................................23
4.2室內優(yōu)化組織....................................................................................................24
4.3 室內優(yōu)化流程...................................................................................................24
5、TD-SCDMA室內分布系統(tǒng)常見問題...............................................................27
5.1問題統(tǒng)計及分類................................................................................................27
5.1.1問題統(tǒng)計........................................................................................................27
5.1.2問題分類........................................................................................................29
5.1.3主要原因........................................................................................................29
5.1.4問題關聯(lián)........................................................................................................29
5.2信號覆蓋問題....................................................................................................30
5.3信號質量問題....................................................................................................30
5.4數(shù)據(jù)業(yè)務問題....................................................................................................31
5.5切換問題...........................................................................................................33
5.6掉話問題...........................................................................................................33
5.7外泄問題...........................................................................................................34
5.8干擾問題...........................................................................................................34
5.9信源問題...........................................................................................................35
5.10干放問題.........................................................................................................35
5.11 GPS問題.........................................................................................................36
6、室內分布優(yōu)化步驟............................................................................................36
6.1數(shù)據(jù)測試...........................................................................................................36
6.2問題解決流程....................................................................................................37
6.3場強不達標.......................................................................................................38
6.3.1站點設計問題.................................................................................................38
6.3.2有源設備問題.................................................................................................38
6.3.3分布系統(tǒng)檢測.................................................................................................40
6.4外泄問題...........................................................................................................45
6.5干擾問題...........................................................................................................46
6.6切換問題...........................................................................................................47
6.6.1切換區(qū)域的選擇.............................................................................................47
6.6.2切換參數(shù)的設置.............................................................................................47
6.6.3終端問題引起切換失敗.................................................................................49
6.7掉話問題...........................................................................................................49
6.8呼叫成功率的問題............................................................................................50
6.8.1與接入有關的參數(shù)(控制呼通率) ...................................................................50
6.8.2小區(qū)重選導致呼叫失敗.................................................................................51
6.9數(shù)據(jù)業(yè)務問題....................................................................................................53
7、站點數(shù)據(jù)分析舉例............................................................................................54
7.1站點情況介紹....................................................................................................54
7.2二號線紀念堂站................................................................................................55
7.3五月花廣場.......................................................................................................60
7.4遠洋大廈...........................................................................................................62
7.5漾晴居...............................................................................................................65
7.6東周大廈...........................................................................................................67
8、總結...................................................................................................................71