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1TD信令流程汇总王要华编著版本号:V1.3.02目录一、TD-GSM切换信令流程......................................................................................3二、PS域TD-GSM切换信令.....................................................................................5三、CN内跨RNC切换信令流程................................................................................10四、跨CN切换信令流程............................................................................................12五、手机注册网络流程.............................................................................................20六、RNC内接力切换信令流程.................................................................................23七、UE主叫信令流程................................................................................................36八、UE被叫信令流程................................................................................................42九、HSDPA连接建立流程........................................................................................56十、RNC间PS切换信令流程.....................................................................................65十一、RNC内PS切换信令流程.................................................................................67十二、路由区更新信令流程.....................................................................................683TD信令流程汇总一、TD-GSM切换信令流程1、TD-GSM测量控制当终端检测到本小区质量与GSM小区质量同时满足3A事件报告触发门限,则上报3A测量报告。TD到GSM的异系统测量控制过程示意如下:UE/MSUTRAN2D/2FMeasCtrl2DMeasRprt3AMeasCtrlCN3AMeasRprt业务建立SysHOout执行图1TD-GSM切换测量控制过程42、TD-GSM切换执行MAP/EMAP/E2.PREPAREHANDOVERBSSMAPBSSMAP4.HANDOVERREQUESTACKRANAPRANAP13.IURELEASECOMPLETEBSSMAPBSSMAP3.HANDOVERREQUESTMAP/EMAP/E5.PREPAREHANDOVERRESPONSERANAPRANAP6.RELOCATIONCOMMANDBSSMAPBSSMAP8.HANDOVERDETECTBSSMAPBSSMAP10.HANDOVERCOMPLETEMAP/EMAP/E11.SENDENDSIGNALREQUESTMAP/EMAP/E14.SENDENDSIGNALRANAPRANAP1.RELOCATIONREQUIREDUENodeBSRNCCNGSM/MSCGSM/BSCRRC7.DCCH:HANDOVERFROMUTRANCOMMANDRRC[HardHandover]RR9.HANDOVERCOMPLETERRRANAPRANAP12.IURELEASECOMMANDRESPONSE图2TD-GSMCS切换流程1)SRNC(TD-RNC)判决向GSM进行系统间切换,通过Iu接口,向3GCN发送要求迁移消息RELOCATIONREQUIRED;2)3GCN向GSMMSC发送MAP类型准备切换消息PREPAREHANDOVER;3)GSMMSC发送HANDOVERREQUEST消息给BSC,发起切换准备流程;4)BSC进行切换准备,预留资源,完成后,发送HANDOVERREQUESTACK消息给3GCN;5)GSMMSC和BSS完成切换准备,MSC向3GCN返回MAP/E准备切换消息5PREPAREHANDOVER。6)3GCN向SRNC发送RANAP迁移命令消息RELOCATIONCOMMAND,作为对SRNC初始请求的响应;7)SRNC通过已存在的RRC连接,向UE发送切换出UTRAN命令消息HANDOVERFROMUTRANCOMMAND,命令UE进行系统间切换。8)终端执行切换到GSM系统,当BSC检测到终端接入到目标小区,如成功收到包含正确的切换参考值的HANDOVERACCESS消息,发送HANDOVERDETECT消息给GSMMSC;9)终端成功接入GSM目标小区,建立RR链接,发送切换完成消息HANDOVERCOMPLETE;10)BSC发送切换完成消息HANDOVERCOMPLETE给GSMMSC,通知切换完成;11)GSMMSC在切换完成后,向3GCN的MAP/E发送结束信令请求消息SENDENDSIGNALREQUEST,释放占用的网络资源;12)3GCN通过Iu释放命令IURELEASECOMMAND,发起SRNC分配资源的释放流程;13)TD-RNC完成内部释放承载资源后,通过Iu接口,向CN返回释放完成消息IURELEASECOMPLETE;14)3GCN向GSM/MSC发送MAP/E发送结束信令响应消息SENDENDSIGNALRESPONSE。切换信令流程结束。二、PS域TD-GSM切换信令分组切换一般分为准备阶段和执行阶段。本节给出跨SGSN的切换流程。对于SGSN内的分组切换,SGSN间的交互信令省略。62.RelocationRequired7.PShandoverRequestAcknowledge3.ForwardRelocationRequest4.PShandoverRequestMSSourceRNC/BSSOldSGSNNewSGSNGGSNTargetBSS1.Handoverdecision8.ForwardRelocationResponse6.TargetBSScreatestheTargetBSStoSourceBSSTransparentContainer5.ReservationofradioresourcesintargetBSS图3TD-SCDMA-GSM的PS域切换准备阶段1、TD-RNC切换判决,触发到GSM的切换;2、TD-RNC发送RelocationRequired消息给3GSGSN,TD-RNC需要将RelocationType设置为“UEInvolvedinrelocationofSRNS”;3、3GSGSN通过TargetCellIdentifier信息,判决该切换为系统间切换,发送ForwardRelocationRequest消息给目标小区的2GSGSN;4、2GSGSN发送PSHandoverRequest消息给BSS,请求为切换预留资源。2GSGSN根据切换需要激活PFC;5、根据切换所需的PFC,BSS进行资源预留,分配TBF;6、BSS创建容器TargetBSStoSourceBSSTransparentContainer,包含切换命令PSHandoverCommand;7、完成后,BSS发送PSHandoverRequestAcknowledge进行应答,并且可以接收下行数据;8、2GSGSN发送ForwardRelocationResponse进行应答,完成切换准备。72.RelocationCommand4.HandoverfromUTRANCommandorHandoverfromGERANIuCommand1.IPPacketstooldSGSN3.ForwardData3.ForwardGTPPDUs3.ForwardDataMSSourceRNC/BSSTargetBSSOldSGSNNewSGSNGGSNHLR8.PSHandoverComplete7.XIDResponse6.GERANA/GbAccessprocedures10.UpdatePDPContextRequest10.UpdatePDPContextResponse9.ForwardRelocationComplete9.ForwardRelocationCompleteAcknowledgeIPPacketstonewSGSN15.UpdateLocation13.RAURequest14.Securityfunctions14.SecurityfunctionsRAUProcedure16.CancelLocationAck17.InsertSubscriberData17.InsertSubscriberDataAck18.UpdateLocationAck19.RAUAccept20.RAUComplete16.CancelLocation5.ForwardSRNSContext5.ForwardSRNSContext5.ForwardSRNSContextAcknowledgeSendingofuplinkdatapossible12.XIDnegotiationforLLCADM7a.XIDResponseIPPacketstoGGSN11.IureleaseCommand11.IureleaseComplete12a.SABMUAexchange(re-establishmentandXIDnegotiationforLLCABM)ForwardeddataForwardeddataC1C2C3ForwardGTPPDUs3.TD-SCDMA-GSM的PS域切换执行阶段1、3GSGSN继续接收GGSN的下行数据,并通过TD-RNC转发给MS;2、3GSGSN发送RelocationCommand消息继续切换;3、当收到RelocationCommand消息后,TD-RNC将通过3G-SGSN转发分组数据到新的2GSGSN;4、TD-RNC发送HandoverfromUTRANCommand消息给MS,并在此之前挂起上下行数据8传输。收到该消息后,MS挂起上行数据传输;5、TD-RNC通过3G-SGSN发送ForwardSRNSContext(RABcontexts)消息给2GSGSN;6、MS执行切换,发送AB接入目标GSM小区,并接收BSS下发的TA值;7./7a、完成接入后,MS处理NAScontainer然后发送XIDResponse消息给2GSGSN,恢复上行传输;8、当收到第一个正确的RLC/MAC块,BSS发送PSHandoverComplete消息给2GSGSN,通知切换成功,2GSGSN转发上行数据给GGSN;9、收到PSHandoverComplete后,2GSGSN发送ForwardRelocationCo
本文标题:TD信令流程汇总专辑(2_3G切换信令流-UE注册等)-王要华
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