言..................................................................................................................6
1.1 編寫目的........................................................................................................................6
1.2 參考資料........................................................................................................................6
1.3 縮寫術(shù)語(yǔ)........................................................................................................................6
2 概述..................................................................................................................8
3 基本信令流程................................................................................................12
3.1 UE的狀態(tài)與尋呼流程................................................................................................12
3.1.1 UE狀態(tài).................................................................................................................12
3.1.2 尋呼流程..............................................................................................................14
3.2 空閑模式下的UE ........................................................................................................16
3.2.1 概述......................................................................................................................16
3.2.2 PLMN的選擇和重選...........................................................................................17
3.2.3 小區(qū)選擇和重選..................................................................................................18
3.2.4 位置登記..............................................................................................................23
3.3 無(wú)線資源管理流程......................................................................................................24
3.3.1 RRC連接建立流程..............................................................................................24
3.3.2 NAS信令建立流程..............................................................................................26
3.3.3 RAB建立流程......................................................................................................27
3.3.4 小區(qū)/URA更新.....................................................................................................33
3.3.5 測(cè)量控制..............................................................................................................39
3.3.6 切換流程..............................................................................................................41
3.4 電路域移動(dòng)性管理流程..............................................................................................51
3.4.1 位置更新..............................................................................................................51
3.4.2 IMSI分離..............................................................................................................54
3.4.3 鑒權(quán)流程..............................................................................................................54
3.4.4 安全模式控制......................................................................................................55
3.4.5 完整性保護(hù)..........................................................................................................56
3.4.6 TMSI重分配.........................................................................................................59
3.5 分組域移動(dòng)性管理流程..............................................................................................59
3.5.1 GPRS附著流程....................................................................................................59
3.5.2 GPRS分離流程....................................................................................................61
3.5.3 安全流程..............................................................................................................63
3.5.4 路由區(qū)更新流程..................................................................................................64
3.6 呼叫控制......................................................................................................................66
3.6.1 UE發(fā)起呼叫流程.................................................................................................66
3.6.2 UE被呼流程.........................................................................................................72
3.6.3 呼叫重建..............................................................................................................75
3.6.4 呼叫釋放流程......................................................................................................75
3.7 分組域會(huì)話管理..........................................................................................................80
3.7.1 PDP Context 激活流程.......................................................................................80
3.7.2 PDP Context 去激活功能...................................................................................86
封頁(yè)3