PSIE流程详解PS业务全过程介绍....................................................................2一、RRC连接过程....................................................................3二、PSATTACH过程.............................................................25四、RB建立.............................................................................34五、RB重配置.........................................................................48六：物理信道重配...................................................................57七、PDP去激活......................................................................62八、RB释放.............................................................................64九、RRC释放..........................................................................72第2页共79页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第2页共79页PS业务全过程介绍第3页共79页第2页共79页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第3页共79页一、RRC连接过程当RNC接收到UE的RRCCONNECTIONREQUEST消息，由其无线资源管理模块RRM根据特定的算法确定是接受还是拒绝该RRC连接建立请求，如果接受，则再判决是建立在专用信道还是公共信道。主要参数：InitialUEIdentity：初始的UE标识，如IMSI，TMSI等参数，用来让网络识别发送该建立请求消息的UE；Establishmentcause：建立原因，有多种类型，PS业务为第4页共79页第3页共79页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第4页共79页registration。ProtocolErrorIndicator：协议错误标识，用来标明是否有协议错误发生。测量IE：给出在Uu接口上的测量结果；InitialUECapability：UE能力；RRCConnectionRequestIE如下：valueUL-CCCH-Message::={第5页共79页第4页共79页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第5页共79页messagerrcConnectionRequest:{initialUE-Identitytmsi-and-LAI:{tmsi'01100000100011100010001100001110'B,lai{plmn-Identity{mcc{4,6,0},mnc{0,0}},lac'1010010100001011'B}},establishmentCauseregistration,protocolErrorIndicatornoError,measuredResultsOnRACH{currentCell{modeSpecificInfotdd:{primaryCCPCH-RSCP29}},monitoredCells{{modeSpecificInfotdd:{cellParametersID24,primaryCCPCH-RSCP22}第6页共79页第5页共79页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第6页共79页},{modeSpecificInfotdd:{cellParametersID119,primaryCCPCH-RSCP21}},{modeSpecificInfotdd:{cellParametersID53,primaryCCPCH-RSCP9}}}},v3d0NonCriticalExtensions{rRCConnectionRequest-v3d0ext{uESpecificBehaviourInformation1idle'0000'B},v4b0NonCriticalExtensions{rrcConnectionRequest-v4b0ext{accessStratumReleaseIndicatorrel-4}}}}}RRCConnectionSetupIE如下：valueDL-CCCH-Message::=第7页共79页第6页共79页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第7页共79页{messagerrcConnectionSetup:later-than-r3:{initialUE-Identitytmsi-and-LAI:{tmsi'01100000100011100010001100001110'B,lai{plmn-Identity{mcc{4,6,0},mnc{0,0}},lac'1010010100001011'B}},rrc-TransactionIdentifier0,criticalExtensionsr4:{rrcConnectionSetup-r4{new-U-RNTI{srnc-Identity'001111110100'B,s-RNTI'01101000010100110000'B},rrc-StateIndicatorcell-DCH,utran-DRX-CycleLengthCoeff6,capabilityUpdateRequirement{ue-RadioCapabilityFDDUpdateRequirement-FDDFALSE,ue-RadioCapabilityTDDUpdateRequirement-TDD384FALSE,ue-RadioCapabilityTDDUpdateRequirement-TDD128TRUE},第8页共79页第7页共79页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第8页共79页srb-InformationSetupList{{rb-Identity1,rlc-InfoChoicerlc-Info:{u...
