【資料名稱】：WCDMA切換原理

【資料作者】：HYC

【資料日期】：2012-0901

【資料語言】：中文

【資料格式】：DOC

【資料目錄和簡介】：

第1 章 概述.............................................................................................................................. 7
1.1 簡介.............................................................................................................................. 7
1.2 基本概念..................................................................................................................... 7
第2 章 基本流程...................................................................................................................... 8
2.1 硬切換流程................................................................................................................. 8
2.1.1 BSC 內(nèi)異頻硬切換........................................................................................... 8
2.1.2 BSC 間硬切換................................................................................................... 9
第3 章 硬切換算法介紹....................................................................................................... 10
3.1 同頻硬切換................................................................................................................12
3.1.1 適用場合..........................................................................................................12
3.1.2 數(shù)據(jù)配置..........................................................................................................12
3.1.3 目標激活集.....................................................................................................13
3.1.4 觸發(fā)條件..........................................................................................................13
3.1.5 補充說明..........................................................................................................14
3.1.6 案例..................................................................................................................14
案例(1) 切換算法選擇錯誤導(dǎo)致硬切換失敗.......................................................14
案例(2) BSC 間硬切換后的頻點不一定是源側(cè)配置的目標頻點.......................15
3.2 手機輔助硬切換........................................................................................................17
3.2.1 適用場合..........................................................................................................17
3.2.2 數(shù)據(jù)配置..........................................................................................................18
3.2.3 目標激活集.....................................................................................................19
3.2.4 觸發(fā)條件..........................................................................................................20
3.2.5 補充說明..........................................................................................................20
3.2.6 案例..................................................................................................................20
案例(1) ETS450 手機輔助硬切換 切換區(qū)域規(guī)劃.............................................20
案例(2) 切換參數(shù)設(shè)置不當(dāng)導(dǎo)致的異頻硬切換困難和掉話..............................23
案例(3) 摩爾多瓦手機輔助硬切換失敗分析.......................................................24
3.3 HANDDOWN 硬切換.................................................................................................28
3.3.1 適用場合..........................................................................................................28
3.3.2 數(shù)據(jù)配置..........................................................................................................28
3.3.3 目標激活集.....................................................................................................29
3.3.4 觸發(fā)條件..........................................................................................................303.3.5 補充說明..........................................................................................................30
3.3.6 案例..................................................................................................................30
案例(1) Handdown 硬切換算法問題.....................................................................30
3.4 直接硬切換................................................................................................................31
3.4.1 適用場合..........................................................................................................31
3.4.2 數(shù)據(jù)配置..........................................................................................................32
3.4.3 目標激活集.....................................................................................................33
3.4.4 觸發(fā)條件..........................................................................................................33
3.4.5 補充說明..........................................................................................................33
3.4.6 案例..................................................................................................................34
案例(1) 鄰區(qū)配置有誤和RTD 門限不合理導(dǎo)致直接硬切換失敗.....................34
3.5 偽導(dǎo)頻硬切換............................................................................................................35
3.5.1 適用場合..........................................................................................................35
3.5.2 數(shù)據(jù)配置..........................................................................................................35
3.5.3 功率設(shè)置分析.................................................................................................37
3.5.4 目標激活集.....................................................................................................38
3.5.5 觸發(fā)條件..........................................................................................................38
3.5.6 補充說明..........................................................................................................38
3.6 負荷均衡硬切換........................................................................................................39
3.6.1 適用場合..........................................................................................................39
3.6.2 數(shù)據(jù)配置..........................................................................................................39
3.6.3 目標激活集.....................................................................................................40
3.6.4 觸發(fā)條件..........................................................................................................40
3.6.5 補充說明..........................................................................................................41
3.7 基于鏈路質(zhì)量硬切換................................................................................................41
3.7.1 適用場合..........................................................................................................41
3.7.2 數(shù)據(jù)配置..........................................................................................................41
3.7.3 目標激活集......................................................................................................42
3.7.4 觸發(fā)條件..........................................................................................................42
3.7.5 補充說明..........................................................................................................43
3.8 HTC 硬切換方案........................................................................................................43
3.8.1 適用場合..........................................................................................................43
3.8.2 數(shù)據(jù)配置..........................................................................................................44
3.8.3 目標激活集.....................................................................................................45
3.8.4 觸發(fā)條件..........................................................................................................45
3.8.5 補充說明..........................................................................................................45第4 章 對接數(shù)據(jù)配置指導(dǎo)................................................................................................... 45
4.1 對接準備....................................................................................................................45
4.2 和北電對接指導(dǎo)........................................................................................................46
4.2.1 介紹..................................................................................................................46
4.2.2 說明..................................................................................................................46
4.2.3 配置范例..........................................................................................................48
4.2.4 對接案例..........................................................................................................50
4.3 和中興對接指導(dǎo)........................................................................................................53
4.3.1 介紹..................................................................................................................53
4.3.2 配置范例..........................................................................................................53
4.3.3 對接案例..........................................................................................................54
4.4 和三星對接指導(dǎo)........................................................................................................57
4.4.1 介紹..................................................................................................................57
4.4.2 配置范例..........................................................................................................58
4.4.3 對接案例..........................................................................................................59
4.5 和朗訊對接指導(dǎo)........................................................................................................60
4.5.1 介紹..................................................................................................................60
4.5.2 配置范例..........................................................................................................60
4.5.3 對接案例..........................................................................................................62
4.6 和摩托羅拉對接指導(dǎo)................................................................................................63
4.6.1 介紹..................................................................................................................63
4.6.2 說明..................................................................................................................64
4.6.3 配置范例..........................................................................................................64
4.7 和愛立信對接指導(dǎo)....................................................................................................66
4.7.1 介紹..................................................................................................................66
4.7.2 配置范例..........................................................................................................66
4.7.3 對接案例..........................................................................................................68
4.8 各廠商硬切換小區(qū)參數(shù)轉(zhuǎn)換工具...........................................................................68
第5 章 硬切換常見問題....................................................................................................... 68
5.1 定位信息采集............................................................................................................68
5.2 常見問題....................................................................................................................69
5.2.1 不發(fā)起判決.....................................................................................................69
5.2.2 handoff required 被拒絕...............................................................................70
5.2.3 手機收不到HDM............................................................................................73
5.2.4 手機收到HDM 但是不回切換完成消息.....................................................73
5.2.5 目標基站接收不到切換完成消息................................................................745.2.6 反復(fù)切換..........................................................................................................74
5.2.7 手機兼容問題.................................................................................................75
5.2.8 時鐘問題..........................................................................................................76