无线网络信令流程

1、Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. TD-SCDMA无线网络信令流程内部公开Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 1培训目的l学完本课程后，您应该能：l了解TD-SCDMA无线网络各接口的协议栈构造l列出UE在不同场景下的任务方式和任务形状l画出TD-SCDMA无线网络呼叫流程图，并列出主要信令音讯l知道硬切换和接力切换在信令流程上的区别Copyright 2006 Huawei Technolo

2、gies Co., Ltd. All rights reserved. Page 2目 录l TD-SCDMA无线网络接口协议栈构造l TD-SCDMA无线网络根本信令流程l 2.1 网络启动流程l 2.2 UE登记流程l 2.3 寻呼流程l 2.4 呼叫流程l 2.5 切换流程Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 3目 录l TD-SCDMA无线网络接口协议栈构造l TD-SCDMA无线网络根本信令流程l 2.1 网络启动流程l 2.2 UE登记流程l 2.3 寻呼流程l 2.4 呼叫流程

3、l 2.5 切换流程Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 4TD-SCDMA系统构造UuCopyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 5 Uu接口协议构造Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 6无线接口MAC子层功能l逻辑信道和传输信道的映射l根据瞬时数据速率选择传输格式lUE内不同数据流的优先

4、级处置；UE之间优先级的动态调度l业务量丈量l动态传输信道类型切换l加密：无线接口加密，加密方法采用国家平安局给定的方法Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 7无线接口RLC子层功能l数据分段、重组、串联、填充l过失纠正ARQl流量控制l协议错误检测和恢复l加密：选择加密密钥 CK Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 8PDCP子层和BMC子层功能lPDCPPacket Data Con

5、vergence Protocoll分组数据会聚层协议lIP数据流的头部紧缩与解紧缩，提高传输效率lBMCBroadcast/Multicast Control protocoll广播/多播控制协议l小区广播音讯的存储和发送Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 9TD-SCDMA地面接口通用协议模型lTD-SCDMA采用ATM做为地面接口传输承载技术Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 1

6、0Iub接口协议栈构造Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 11lNBAP 根本过程分为公共过程和公用过程，分别对应公共链路和公用链路的信令过程l公共NBAPNCP主要功能l小区初始化及TDD 方式下的小区同步控制l公共传输信道控制和TDD 方式下共享信道配置l公用NBAPCCP主要功能l为特定的UE 添加、释放以及重新配置无线链路l公用信道控制Iub接口控制平面NBAPCopyright 2006 Huawei Technologies Co., Ltd. All rights reser

7、ved. Page 12lIub用户平面FP是传输Iub 接口上的传输信道数据流的协议l主要功能是把无线接口的帧转化成Iub 接口的数据帧，同时产生一些控制帧进展相应的控制l传输信道包含公共传输信道和公用传输信道，它们对应的帧构造略有不同l净负荷里面的内容不同l公用信道数据帧中携带QE质量估计，用于外环功率控制Iub接口用户平面FPCopyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 13Iu-CS接口协议栈构造Copyright 2006 Huawei Technologies Co., Ltd. All

8、 rights reserved. Page 14Iu-PS接口协议栈构造Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 15Iur接口协议栈构造Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 16目 录l TD-SCDMA无线网络接口协议栈构造l TD-SCDMA无线网络根本信令流程l 2.1 网络启动流程l 2.2 UE登记流程l 2.3 寻呼流程l 2.4 呼叫流程l 2.5 切换流程Copyright

9、 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 17常用术语：RAB，RB，RLRABRBRLNodeBRNCCNUECopyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 18根本概念：UE的任务方式lUE有两种根本的运转方式：空闲方式和衔接方式l空闲方式：UE处于待机形状，没有业务的存在l衔接方式：当UE完成RRC衔接建立时，从空闲方式转移到衔接方式；在衔接方式下，UE有4种形状lCell-DCH适用场景：延续或大量的数据传输，如

10、打、下载lCell-FACH适用场景：少量的数据传输，如信令、短音讯lCell-PCH适用场景：非延续业务如网页阅读且UE挪动速度“慢lURA-PCH适用场景：非延续业务，且UE挪动速度“快Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 19CELL_DCHCELL_FACHCELL_PCHURA_PCHIDLEDEAD搜索网络(PLMN)“驻扎小区(camp on)侦听寻呼信道小区重选ConnectionUE形状表示图Copyright 2006 Huawei Technologies Co., L

11、td. All rights reserved. Page 20第三步RRC衔接建立第八步重新待机1.小区选择2.等待呼叫第六步业务进展过程中呼叫总体流程硬切换接力切换与GSM之间切换小区更新URA更新RAB/信道重配置网络侧启动1.初始化设备2.进展系统广播第二步主叫或被呼第五步RAB建立第四步NAS信令衔接建立第七步RRC衔接释放第一步手机开机1.PLMN选择 2.小区驻留3.位置登记4.等待呼叫Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 21目 录l TD-SCDMA无线网络接口协议栈构造l

12、 TD-SCDMA无线网络根本信令流程l 2.1 网络启动流程l 2.2 UE登记流程l 2.3 寻呼流程l 2.4 呼叫流程l 2.5 切换流程Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 22. 3.BCCH:System Information1.System Information Update RequestUENode BRNCCNNBAPNBAPRRCRRC. 4.BCCH:System InformationRRCRRC 5.BCCH:System InformationRRCRRC

13、2.System Information Update ResponseNBAPNBAP系统信息广播流程Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 23系统音讯块构造Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 24系统音讯主要功能lMIB：PLMN标识及SB (schedule block)/SIB (system info block)的调度信息lSB1、SB2：SIB的调度信息lSIB1：NAS层

14、的系统信息和UE定时器/计数器lSIB2：URA的信息lSIB3：用于小区选择和重选的参数lSIB4：衔接方式下用于小区选择和重选的参数Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 25系统音讯主要功能lSIB5：用于小区公共物理信道配置的参数lSIB6：衔接方式下用于小区公共物理信道配置的参数lSIB7：上行链路干扰和动态继续电平等信息lSIB8、SIB9、SIB10：用于WCDMA系统lSIB11：丈量控制信息，即邻区列表lSIB12：衔接方式下的丈量控制信息，即邻区列表Copyright 20

15、06 Huawei Technologies Co., Ltd. All rights reserved. Page 26系统音讯主要功能lSIB13、SIB14：用于WCDMA系统lSIB15：用于定位业务的信息lSIB16：GSMTD-SCDMA系统间切换所需求的预配置信息lSIB17：衔接方式下共享物理信道的配置信息TDDlSIB18：临近小区PLMN信息，用于运营商网络共享Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 27目 录l TD-SCDMA无线网络接口协议栈构造l TD-SCDMA无

16、线网络根本信令流程l 2.1 网络启动流程l 2.2 UE登记流程l 2.3 寻呼流程l 2.4 呼叫流程l 2.5 切换流程Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 28UE为登记发起RRC衔接建立RNC决议在公共信道上建立RRC衔接，并且运用曾经配置好的公共信道资源RRC建立流程在公共信道CCH上RRC Connection RequestRRC Connection SetupRRC Connection Setup CompleteNodeBRNCUECopyright 2006 Hua

17、wei Technologies Co., Ltd. All rights reserved. Page 29UE与CN之间交换DT音讯，此处是位置更新音讯NAS信令建立流程RRC: Initial Direct TransferRRC: DTRANAP: Initial UE MessageRNCCNUERANAP: DTRRC: DTRANAP: DTCopyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 30 CN UE DT (Location Updating Request) ( Location

18、 Updating Type: Normal location updating ) DT (Location Updating Accept ) DT (TMSI reallocation complete) 正常位置更新过程Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 31 CN UE DT (Location Updating Request) ( Location Updating Type: Period updating ) DT (Location Updating Accept )

19、DT (TMSI reallocation complete) 周期性位置更新过程Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 32 CN UE DT (Location Updating Request) ( Location Updating Type: IMSI Attach) DT (Location Updating Accept ) DT (TMSI reallocation complete) IMSI ATTACHCopyright 2006 Huawei Technologies

20、Co., Ltd. All rights reserved. Page 33RRC释放流程在公共信道CCH上RRC: RRC Connection Release CompleteRNCCNUEIu Release CompleteRRC: RRC Connection ReleaseIu Release CommandUE在登记过程中，没有运用公用的用户面资源；直接释放信令链路，登记过程终了Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 34目 录l TD-SCDMA无线网络接口协议栈构造l TD-

21、SCDMA无线网络根本信令流程l 2.1 网络启动流程l 2.2 UE登记流程l 2.3 寻呼流程l 2.4 呼叫流程l 2.5 切换流程Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 35CN发起的寻呼流程l空闲方式下的寻呼，采用寻呼类型空闲方式下的寻呼，采用寻呼类型1 Paging Type 1MSC或或SGSNUENodeB1RNC1NodeB2RNC2 PagingPaging Type1 Paging Type1 PagingRANAPRANAPRANAPRANAPRRCRRCRRCCopy

22、right 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 36CN发起的寻呼流程l衔接方式下的寻呼，采用寻呼类型衔接方式下的寻呼，采用寻呼类型2 Paging Type 2MSC或或SGSNUE PagingPaging Type2 RANAPRRCNodeB1RNC1RANAPRRCCopyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 37RAN发起的寻呼流程UEPaging Type1 RRCNodeB1RNC1RRCl场景1：

23、系统音讯发生改动后，通知UE读取更新后的系统信息l场景2：触发处于CELL_PCH、URA_PCH形状下的UE进展形状迁移l做为对该寻呼的应对，UE会相应的发起一次小区更新或URA更新Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 38目 录l TD-SCDMA无线网络接口协议栈构造l TD-SCDMA无线网络根本信令流程l 2.1 网络启动流程l 2.2 UE登记流程l 2.3 寻呼流程l 2.4 呼叫流程l 2.5 切换流程Copyright 2006 Huawei Technologies Co

24、., Ltd. All rights reserved. Page 39UE为呼叫发起RRC衔接建立，RNC决议在公用信道上建立RRC衔接RRC建立流程在公用信道DCH上RRC Connection RequestRRC Connection SetupRRC Connection Setup CompleteRadio Link Setup RequestRadio Link Setup ResponseNodeBRNCUEERQ (AAL2_EST_Request)ECF (AAL2_EST_Confirm)Copyright 2006 Huawei Technologies Co., L

25、td. All rights reserved. Page 40NAS信令建立流程UE与与CN之间交换之间交换DT音讯，如业务恳求、衔接建立、鉴权等音讯，如业务恳求、衔接建立、鉴权等鉴权、平安方式是可选过程，由运营决议能否运用鉴权、平安方式是可选过程，由运营决议能否运用RRC: Initial Direct TransferRRC: DTRANAP: Initial UE MessageRNCCNUERANAP: DTRRC: DTRANAP: DTCopyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 41

26、UEMSCRRC and NAS signaling Connection Setup UEMSCRRC and NAS signaling Connection Setup UE 做被叫做被叫UE 做主叫做主叫CM Service RequestAuthentication RequestAuthentication ResponseSecurity Mode Command Security Mode CommandRAB Assignment SetupCall Proceeding Alerting Connect Connect ACKDisconnectReleaseRelease

27、 CompletePaging ResponseAuthentication RequestAuthentication ResponseSecurity Mode Command Security Mode CommandRAB Assignment SetupCall Confirmed Alerting Connect Connect ACKDisconnectReleaseRelease CompletePagingNAS层信令CSCopyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 42UESGS

28、NRRC and NAS signaling Connection Setup UESGSNPagingRRC and NAS signaling Connection Setup Service RequestAuthentication RequestAuthentication ResponseSecurity Mode Command Security Mode CommandRAB Assignment Activate PDP Context RequestActivate PDP Context AcceptDeactivate PDP Context RequestDeacti

29、vate PDP Context AcceptPaging ResponseAuthentication RequestAuthentication ResponseSecurity Mode Command Security Mode CommandRAB Assignment Request PDP Context ActivationActivate PDP Context RequestActivate PDP Context AcceptDeactivate PDP Context RequestDeactivate PDP Context AcceptNAS层信令PSUE 做被叫做

30、被叫UE 做主叫做主叫Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 43NodeBUECNRNCRAB Ass ReqAAL2 Setup ReqAAL2 Setup RepRB SetupRB Setup CompleteRAB Ass RepRRCRRCNBAPNBAPQ.AAL2Q.AAL2FPFPNBAPRANAPQ.AAL2Q.AAL2NBAPNBAPQ.AAL2Q.AAL2FPFPRRCNBAPRRCRANAPRANAPQ.AAL2Q.AAL2RANAPRL Recfg PrepRL R

31、ecfg ReadyAAL2 Setup ReqAAL2 Setup RepDL SyncUL SyncRL Recfg CommitRAB承载通道建立流程Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 44UE to UE (1)Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 45UE to UE (2)Copyright 2006 Huawei Technologies Co., Ltd. All rig

32、hts reserved. Page 46UE to UE (3)Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 47UE to UE (4)Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 48UE to UE (5)Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 49UE to UE (6)Copyright 20

33、06 Huawei Technologies Co., Ltd. All rights reserved. Page 50UE to UE (7)Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 51UE发起的PDP激活 (1)Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 52UE发起的PDP激活 (2)Copyright 2006 Huawei Technologies Co., Ltd. All righ

34、ts reserved. Page 53网络侧发起的PDP激活 (1)Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 54网络侧发起的PDP激活 (2)Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 55目 录l TD-SCDMA无线网络接口协议栈构造l TD-SCDMA无线网络根本信令流程l 2.1 网络启动流程l 2.2 UE登记流程l 2.3 寻呼流程l 2.4 呼叫流程l 2.5 切换流程Copyri

35、ght 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 56硬切换：Inter-cell/Intra-NodeBRNCUENodeBCommunicating Measurement ReportDecide to HORadio Link Setup RequestRadio Link Setup ResponseERQ (AAL2_EST_REQ)ECF (AAL2_EST_CFM)Voice Data (via old cell)Physical Channel Reconfiguration (via old c

36、ell)Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 57硬切换：Inter-cell/Intra-NodeBRNCUENodeB Physical Channel Reconfiguration Complete (via new cell)Radio Link Deletion RequestRadio Link RestorationREL (AAL2_REL_REQ)RLC (AAL2_REL_CFM)Radio Link Deletion ResponseCommunicatingSYNC

37、 UL (to new cell)FPACH (from new cell)Voice Data (to new cell, after active time)Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 58硬切换：Inter-NB /Intra-RNCRNCUECommunicating Measurement ReportDecide to HORadio Link Setup RequestRadio Link Setup ResponseERQ (AAL2_EST_REQ)ECF (AA

38、L2_EST_CFM)Voice Data (via old cell)Physical Channel Reconfiguration (via SNB)SNBTNBCopyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 59SNBTNB硬切换：Inter-NB /Intra-RNCRNCUE Physical Channel Reconfiguration Complete (via TNB)Radio Link Deletion RequestRadio Link RestorationREL (AAL

39、2_REL_REQ)RLC (AAL2_REL_CFM)Radio Link Deletion ResponseCommunicatingSYNC ULFPACHVoice Data (to TNB, after active time)Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 60接力切换：Inter-cell/Intra-NodeBRNCUENodeBCommunicating Measurement ReportDecide to HORadio Link Addition RequestRa