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1、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7276PS业务全过程介绍76一、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
2、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registration。ProtocolError76Indicator：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::={messagerrcConnectionRequest:{initialUE-Identitytmsi-and
3、-LAI:标注UETMSI和LAI,经验证LAI为手机储存的{tmsi'01100000100011100010001100001110'B,lai{76plmn-Identity{mcc{4,6,0},mnc{0,0}},lac'1010010100001011'B}},establishmentCauseregistration,建立原因：注册，如果不需要ATTACH，就为交互类protocolErrorIndicatornoError,measuredResultsOnRACH传输信道是RACH{current
4、Cell{modeSpecificInfotdd:{primaryCCPCH-RSCP29当前主服务小区PCCPCH接收码功率29-116=-87}},monitoredCells{{modeSpecificInfotdd:{cellParametersID24,邻小区1的扰码primaryCCPCH-RSCP22邻小区1的接受码功率22-116=-94}},{modeSpecificInfotdd:{cellParametersID119,邻小区2的扰码primaryCCPCH-RSCP21邻小区2的接受码功率21
5、-116=-95}},76{modeSpecificInfotdd:{cellParametersID53,邻小区3的扰码primaryCCPCH-RSCP9邻小区3的接受码功率9-116=-107}}}},v3d0NonCriticalExtensions{rRCConnectionRequest-v3d0ext{uESpecificBehaviourInformation1idle'0000'B},v4b0NonCriticalExtensions{rrcConnectionRequest-v4b0ext{acc
6、essStratumReleaseIndicatorrel-4R4版本}}}}}RRCConnectionSetupIE如下：valueDL-CCCH-Message::={messagerrcConnectionSetup:later-than-r3:{initialUE-Identitytmsi-and-LAI:{tmsi'01100000100011100010001100001110'B,同RRCConnectionRequest标注UETMSI和LAIlai{plmn-Identity{mcc{764,6,
7、0},mnc{0,0}},lac'1010010100001011'B}},rrc-TransactionIdentifier0,criticalExtensionsr4:{rrcConnectionSetup-r4{new-U-RNTI{srnc-Identity'001111110100'B,s-RNTI'01101000010100110000'BUEID},rrc-StateIndicatorcell-DCH,从RACH转入DCHutran-DRX-CycleLengthCoeff6,cn域不连续接收因子6c
8、apabilityUpdateRequirement{ue-RadioCapabilityFDDUpdateRequirement-FDDFALSE,ue-RadioCapabilityTDDUpdateRequirement-TDD384FALSE,ue-RadioCapabilityTDDUpdateRequirement-TDD128TR
