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WCDMA分组域流程与参数详解联通设计院技术研发部网络室移动性管理•GPRS附着流程•GPRS分离流程会话管理•PDP上下文激活流程•PDP上下文修改流程•PDP上下文去激活流程业务相关•业务请求流程•主要的业务流程位置管理•SRNS重定位流程•路由区更新流程•系统间切换流程GPRS附着流程主要内容流程概述主流程及其参数可选流程及其参数异常情况网元控制参数GPRS附着流程概述触发GPRS附着流程的场景：MS为了访问GPRS服务，执行到SGSN的GPRS附着开机发起附着（跟终端类型及终端上的设置有关）GPRS附着分为单独GPRS附着和联合附着，由于联通现网未开通Gs接口，因此只存在单独GPRS附着GPRS附着流程总体图6c.CancelLocationAck6b.CancelLocation3.IdentityResponse2.IdentificationResponse2.IdentificationRequest1.AttachRequest3.IdentityRequest4.Authentication6a.UpdateLocationMSRANnewSGSNoldSGSNGGSNHLR6f.InsertSubscriberData6h.UpdateLocationAck6g.InsertSubscriberDataAck8.AttachComplete7.AttachAcceptC16d.DeletePDPContextRequest6e.DeletePDPContextResponse5.DeletePDPContextRequest5.DeletePDPContextResponse6c.CancelLocationAck6b.CancelLocation3.IdentityResponse2.IdentificationResponse2.IdentificationRequest1.AttachRequest3.IdentityRequest4.Authentication6a.UpdateLocationMSRANnewSGSNoldSGSNGGSNHLR6f.InsertSubscriberData6h.UpdateLocationAck6g.InsertSubscriberDataAck8.AttachComplete7.AttachAcceptC16d.DeletePDPContextRequest6e.DeletePDPContextResponse5.DeletePDPContextRequest5.DeletePDPContextResponseGPRS附着主流程图6c.CancelLocationAck6b.CancelLocation3.IdentityResponse2.IdentificationResponse2.IdentificationRequest1.AttachRequest3.IdentityRequest4.Authentication6a.UpdateLocationMSRANnewSGSNoldSGSNGGSNHLR6f.InsertSubscriberData6h.UpdateLocationAck6g.InsertSubscriberDataAck8.AttachComplete7.AttachAcceptC16d.DeletePDPContextRequest6e.DeletePDPContextResponse5.DeletePDPContextRequest5.DeletePDPContextResponse消息和参数AttachRequest（NAS）ProtocoldiscriminatorM标识L3消息所属的协议。信令参数指导手册分组域分册5.1AttachrequestmessageidentityM标识消息的类型。信令参数指导手册分组域分册5.2MSnetworkcapabilityM描述MS的网络能力。信令参数指导手册分组域分册6.2.2AttachtypeM附着类型，分为两部分Follow-onrequest、Typeofattach。其中Typeofattach取值范围（001：GPRSAttach、011：CombinedGPRS/IMSIattach）3GPPTS24.00810.5.5.2GPRScipheringkeysequencenumberMGPRS加密密钥序号。信令参数指导手册分组域分册8.2.4DRXparameterM向网络说明MS是否使用DRX模式。信令参数指导手册分组域分册6.2.1P-TMSIorIMSIM标识用户，MS在无P-TMSI可用时，带IMSI。信令参数指导手册分组域分册6.1.2/6.1.3OldroutingareaidentificationM原RAI。信令参数指导手册分组域分册7.1.9MSRadioAccesscapabilityM说明MS的无线接入能力。信令参数指导手册分组域分册6.2.3OldP-TMSIsignatureO验证P-TMSI的有效性。信令参数指导手册分组域分册6.1.4RequestedREADYtimervalueO请求READYtimer的值。信令参数指导手册分组域分册8.2.7TMSIstatusO标识MS是否有有效的TMSI信令参数指导手册分组域分册6.1.7AttachAccept（NAS）ProtocoldiscriminatorM标识L3消息所属的协议。信令参数指导手册分组域分册5.1AttachacceptmessageidentityM标识消息的类型。信令参数指导手册分组域分册5.2AttachresultM指示GPRS附着的结果3GPPTS24.00810.5.5.1ForcetostandbyM用来强制MS停止READYtimer计时器，以防MS发起小区更新。信令参数指导手册分组域分册8.2.2PeriodicRAupdatetimerM周期性路由区更新的定时器。信令参数指导手册分组域分册8.2.5RoutingareaidentificationM标识用户无线网位置。信令参数指导手册分组域分册7.1.9P-TMSIsignatureO验证P-TMSI的有效性。信令参数指导手册分组域分册6.1.4NegotiatedREADYtimervalueOSGSN通知MS的READYtimer的值。信令参数指导手册分组域分册8.2.5AllocatedP-TMSIOSGSN分配给用户的新P-TMSI。信令参数指导手册分组域分册6.1.3GMMcauseOGMM原因值。信令参数指导手册分组域分册8.2.3T3302valueO附着失败并且尝试次数超过5次后，启动该定时器，该定时器超时后则发起新的附着流程。信令参数指导手册分组域分册8.2.7GPRS附着可选流程或消息（一）触发条件：MS使用P-TMSI请求附着，并且SGSN发生改变。6c.CancelLocationAck6b.CancelLocation3.IdentityResponse2.IdentificationResponse2.IdentificationRequest1.AttachRequest3.IdentityRequest4.Authentication6a.UpdateLocationMSRANnewSGSNoldSGSNGGSNHLR6f.InsertSubscriberData6h.UpdateLocationAck6g.InsertSubscriberDataAck8.AttachComplete7.AttachAcceptC16d.DeletePDPContextRequest6e.DeletePDPContextResponse5.DeletePDPContextRequest5.DeletePDPContextResponse6c.CancelLocationAck6b.CancelLocation3.IdentityResponse2.IdentificationResponse2.IdentificationRequest1.AttachRequest3.IdentityRequest4.Authentication6a.UpdateLocationMSRANnewSGSNoldSGSNGGSNHLR6f.InsertSubscriberData6h.UpdateLocationAck6g.InsertSubscriberDataAck8.AttachComplete7.AttachAcceptC16d.DeletePDPContextRequest6e.DeletePDPContextResponse5.DeletePDPContextRequest5.DeletePDPContextResponse消息与参数IdentificationRequest（GTP）RouteingAreaIdentity(RAI)M标识用户无线网位置MNC＋MCC＋LAC＋RAC。信令参数指导手册分组域分册7.1.9P-TMSIM临时标识用户。信令参数指导手册分组域分册6.1.3P-TMSISignatureC验证P-TMSI的有效性。信令参数指导手册分组域分册6.1.4SGSNAddressforControlPlaneOSGSN控制面地址3GPPTS29.0607.7.32IdentificationResponse（GTP）CauseM用来表示请求响应的原因。信令参数指导手册分组域分册8.2.1IMSI（注）C标识用户。信令参数指导手册分组域分册6.1.2注：当Cause值为RequestAccepted时携带GPRS附着可选流程（二）GPRS标识流程的触发条件：MS上报的P-TMSI在新老SGSN中都查找不到。6c.CancelLocationAck6b.CancelLocation3.IdentityResponse2.IdentificationResponse2.IdentificationRequest1.AttachRequest3.IdentityRequest4.Authentication6a.UpdateLocationMSRANnewSGSNoldSGSNGGSNHLR6f.InsertSubscriberData6h.UpdateLocationAck6g.InsertSubscriberDataAck8.AttachComplete7.AttachAcceptC16d.DeletePDPContextRequest6e.DeletePDPContextResponse5.DeletePDPContextRequest5.DeletePDPContextResponse消息与参数IdentityRequest（NAS）MobilitymanagementprotocoldiscriminatorM标识L3消息所属的协议。信令参数指导手册分组域分册5.1IdentityRequestmessagetypeM标识消息的类型。信令参数指导手册分组域分册5.2IdentitytypeM表示请求的是哪种用户标识，IMSI/IMEI/IMEISV/TMSI。3GPPTS24.00810.5.5.9Identityresponse（NAS）MobilitymanagementprotocoldiscriminatorM标识L3消息所属的协议。信令参数指导手册分组域分册5.1IdentityResponsemessagetypeM标识消息的类型。信令参数指导手册分组域分册5.2MobileidentityM根据请求返回的用户标识3GPPTS24.00810.5.1.4GPRS附着可选流程（三）触发条件：若MS在网络中没有MM上下文，则必须鉴权。如果将要执行P-TMSI分配并且网络支持加密，则要设置加密模式。6c.CancelLocationAck