【資料名稱】:路測和典型案例分析SG-03(閱讀)
【資料作者】:明訊
【資料日期】:2009
【資料語言】:中文
【資料格式】:PDF
【資料目錄和簡介】:
言 ..................................................................................................................................................4
一、FreeTec 路測軟件案例分析.....................................................................................................6
1、信號覆蓋問題案例分析.....................................................................................................6
1.1 信號覆蓋主要問題.....................................................................................................6
1.2 信號覆蓋問題原因分析.............................................................................................6
1.3 信號覆蓋問題解決方案.............................................................................................6
1.4 信號覆蓋問題典型案例分析.....................................................................................7
2、干擾和話音質(zhì)量差案例分析...........................................................................................15
2.1 干擾和話音質(zhì)量差問題概述...................................................................................15
2.2 干擾和話音質(zhì)量差問題原因分析...........................................................................15
2.3 干擾和話音質(zhì)量差問題解決方案...........................................................................15
2.4 干擾和話音質(zhì)量差問題典型案例分析...................................................................15
3、掉話案例分析...................................................................................................................41
3.1 掉話主要原因分析...................................................................................................41
3.2 掉話解決方案...........................................................................................................41
3.3 掉話典型案例分析...................................................................................................42
4、切換問題案例分析...........................................................................................................63
4.1 切換問題主要概述...................................................................................................63
4.2 切換問題原因分析...................................................................................................63
4.3 切換問題解決方案...................................................................................................63
4.4 切換問題典型案例分析...........................................................................................63
5、接通問題案例分析...........................................................................................................73
5.1 撥號無響應(yīng)原因分析...............................................................................................73
5.2 撥號無響應(yīng)解決方法...............................................................................................73
5.3 撥號無響應(yīng)典型案例分析.......................................................................................73
6、其他異,F(xiàn)象案例分析...................................................................................................84
二、路測中呼叫建立失敗原因分析.............................................................................................86
1、道路測試中成功的呼叫建立消息歷程...........................................................................86
1.1 手機(jī)做主叫的消息歷程...........................................................................................86
1.2 手機(jī)做被叫的消息歷程...........................................................................................88
1.3 被叫用戶沒有接通的消息歷程...............................................................................90
1.4 被叫用戶忙的消息歷程...........................................................................................91
1.5 被叫用戶已關(guān)機(jī)或未應(yīng)答的消息歷程...................................................................92
2、路測中呼叫建立失敗的消息歷程...................................................................................93
2.1SD 擁塞的消息歷程.................................................................................................93
2.2TCH 擁塞的消息歷程..............................................................................................94
2.3 下行質(zhì)量差造成TCH 接入失敗的消息歷程.........................................................95
2.4SDCCH 掉話的消息歷程.........................................................................................97
2.5 上行鏈路問題的消息歷程.......................................................................................98
2.6 無效的呼叫.............................................................................................................100
3、道路測試中呼叫建立失敗的主要原因.........................................................................101
路測和典型案例分析 SG-03
三、路測中切換失敗問題的原因分析.......................................................................................103
1、切換流程分析.................................................................................................................106
1.1 小區(qū)內(nèi)部切換(INTRA _CELL HANDOVER).................................................106
1.2 BSC 內(nèi)部小區(qū)間切換(INTRA_BSC HANDOVER) .......................................107
1.3 MSC 內(nèi)部BSC 間切換(INTRA MSC HANDOVER) .....................................109
1.4 MSC 間切換...........................................................................................................112
2、切換失敗的原因分析.....................................................................................................114
2.1 連續(xù)的切換失敗.....................................................................................................114
2.2 單獨(dú)出現(xiàn)的切換失敗.............................................................................................123
路測和典型案例分析SG-03(閱讀).rar (3.72 MB)