1、附着信令流程Attach附着信令流程(统计时延:红色的为开始和结束信令)Attachrequest附着请求Unknown(0x0734)未知(0x0734)rrcConnectionRequestRRC连接请求rrcConnectionSetupRRC连接建立rrcConnectionSetupCompleteRRC连接设置完成rrcConnectionReconfigurationrrc连接重配置dlInformationTransferDL信息传输rrcConnectionReconfigurationCompleterrc连接重配置完成SecurityprotectedNASmessage安全保护的NAS消息Authenticationrequest认证请求Authenticationresponse验证响应Unknown(0x077B)未知(0x077B)ulInformationTransferUL信息传输dlInformationTransferDL信息传输SecurityprotectedNASmessage安全保护的NAS消息Securitymodecommand安全模式命令Securitymodecomplete安全模式完成Unknown(0x0790)未知(0x0790)ulInformationTransferUL信息传输ueCapabilityEnquiryUE能力查询ueCapabilityInformationUE能力信息securityModeCommand安全模式命令rrcConnectionReconfigurationRRC连接重配置rrcConnectionReconfigurationCompleterrc连接重配置完成SecurityprotectedNASmessage安全保护的NAS消息Attachaccept附着接受ActivatedefaultEPSbearercontextrequest激活默认EPS承载上下文请求ActivatedefaultEPSbearercontextaccept激活默认EPS承载上下文接受Attachcomplete附着完成Unknown(0x072D)未知(0x072D)ulInformationTransferUL信息传输rrcConnectionReconfigurationRRC连接重配置rrcConnectionReconfigurationCompleterrc连接重配置完成Detach去附着信令流程(统计时延:红色的为开始和结束信令)Detachrequest去附着请求Unknown(0x0734)未知(0x0734)ulInformationTransferUL信息传输dlInformationTransferDL信息传输SecurityprotectedNASmessage安全保护的NAS消息Detachaccept去附着接受rrcConnectionReleaserrc连接释放PDNconnectivityrequestPDN连接请求2、呼叫业务信令流程UE主叫信令流程(统计时延:红色的为开始和结束信令)Extendedservicerequest扩展服务请求rrcConnectionRequestRRC连接请求rrcConnectionSetupRRC连接建立rrcConnectionSetupCompleteRRC连接建立完成rrcConnectionReconfigurationrrc连接重配置rrcConnectionReconfigurationCompleterrc连接重配置完成securityModeCommand安全模式命令rrcConnectionReconfigurationrrc连接重配置rrcConnectionReconfigurationCompleterrc连接重配置完成rrcConnectionReconfigurationrrc连接重配置rrcConnectionReconfigurationCompleterrc连接重配置完成rrcConnectionReleaserrc连接释放UE被叫信令流程(统计时延:红色的为开始和结束信令)(不含鉴权信令流程)systemInformationBlockType1系统信息块类型1systemInformationBlockType1系统信息块类型1Paging分页Extendedservicerequest扩展服务请求rrcConnectionRequestRRC连接请求rrcConnectionSetupRRC连接建立rrcConnectionSetupCompleteRRC连接建立完成rrcConnectionReconfigurationrrc连接重配置rrcConnectionReconfigurationCompleterrc连接重配置完成securityModeCommand安全模式命令rrcConnectionReconfigurationrrc连接重配置rrcConnectionReconfigurationCompleterrc连接重配置完成rrcConnectionReconfigurationrrc连接重配置rrcConnectionReconfigurationCompleterrc连接重配置完成(含鉴权信令流程)systemInformationBlockType1系统信息块类型1Paging分页Extendedservicerequest扩展服务请求rrcConnectionRequestRRC连接请求rrcConnectionSetupRRC连接建立rrcConnectionSetupCompleteRRC连接建立完成rrcConnectionReconfigurationrrc连接重配置rrcConnectionReconfigurationCompleterrc连接重配置完成dlInformationTransferDL信息传输SecurityprotectedNASmessage安全保护的NAS消息Authenticationrequest认证请求Authenticationresponse验证响应Unknown(0x077B)未知(0x077B)ulInformationTransferUL信息传输dlInformationTransferDL信息传输SecurityprotectedNASmessage安全保护的NAS消息Securitymodecommand安全模式命令Securitymodecomplete安全模式完成Unknown(0x0790)未知(0x0790)ulInformationTransferUL信息传输securityModeCommand安全模式命令rrcConnectionReconfigurationrrc连接重配置rrcConnectionReconfigurationCompleterrc连接重配置完成rrcConnectionReconfigurationrrc连接重配置rrcConnectionReconfigurationCompleterrc连接重配置完成3、重选与切换信令流程小区重选信令流程systemInformationBlockType1系统信息块类型1systemInformation系统信息systemInformationBlockType1系统信息块类型1systemInformationBlockType1系统信息块类型1systemInformation系统信息systemInformationBlockType1系统信息块类型1systemInformationBlockType1系统信息块类型1systemInformationBlockType1系统信息块类型1基站内同频切换信令流程(统计时延:红色的为开始和结束信令)measurementReport测量报告rrcConnectionReconfigurationrrc连接重配置rrcConnectionReconfigurationCompleterrc连接重配置完成rrcConnectionReconfigurationrrc连接重配置rrcConnectionReconfigurationCompleterrc连接重配置完成systemInformationBlockType1systemInformationBlockType1systemInformationBlockType1systemInformationBlockType1systemInformation基站间同频切换信令流程(统计时延:红色的为开始和结束信令)measurementReport测量报告rrcConnectionReconfigurationrrc连接重配置rrcConnectionReconfigurationCompleterrc连接重配置完成systemInformationBlockType1系统信息块类型1rrcConnectionReconfigurationrrc连接重配置rrcConnectionReconfigurationCompleterrc连接重配置完成源eNODEb目标eNODEbHANDOVER_REQUESTHANDOVER_REQUESTHANDOVER_REQUEST_ACKNOWLEDGEHANDOVER_REQUEST_ACKNOWLEDGEUE_CONTEXT_RELEASESN_STATUS_TRANSFERUE_CONTEXT_RELEASEUE_CONTEXT_RELEASERRC_MEAS_RPRTRRC_CONN_RECFG_CMPRRC_CONN_RECFGRRC_CONN_RECFGRRC_CONN_RECFG_CMPRRC_MEAS_RPRTRRC_CONN_RECFGS1AP_PATH_SWITCH_REQS1AP_PATH_SWITCH_REQS1AP_PATH_SWITCH_REQ_ACKS1AP_PATH_SWITCH_REQ_ACKRRC_MEAS_RPRTRRC_CONN_RECFG_CMPRRC_CONN_RECFGRRC_CONN_RECFGRRC_CONN_RECFG_CMPRRC_MEAS_RPRTRRC_CONN_RECFGHANDOVER_REQUESTHANDOVER_REQUESTHANDOVER_REQUEST_ACKNOWLEDGEHANDOVER_REQUEST_ACKNOWLEDGESN_STATUS_TRANSFERSN_STATUS_TRANSFERUE_CONTEXT_RELEASEUE_CONTEXT_RELEASES1AP_PATH_SWITCH_REQS1AP_PATH_SWITCH_REQS1AP_PATH_SWITCH_REQ_ACKS1AP_PATH_SWITCH_REQ_ACK站间同频切换信令站间异频切换信令RRC连接建立分配控制信道安全模式UE能力查询RRC连接重配置(信道连接)事件触发性X2UUS1UUX2S1↔NASRRCMACPDCPRLC↔UE1.RrcConnectionRequest→eNB Msg1→ RAR← Msg3→ Msg4← 2.RrcConnectionSetup← 3.RrcConnectionComplete→ 6.DownLinkTransportMsg(AuthenticationRequest)← 7.UpLinkTransportMsg(AuthenticationResponse)→ 10.DownLinkTransportMsg(Nas_SecurityCommand)← 11.UpLinkTranportMsg(Nas_SecurityComplete)→ .cfrd 15.UECapabilityIn