UEeNodeBMMETracking area update requestRandom Access PreambleRandom Access ResponserrcConnectionRequestrrcConnectionSetuprrcConnectionSetupCompleteInitial UE messageInitial context setup requestueCapabilityEnquiryueCapabilityInformationUE Capability Info IndicationsecurityModeCommandsecurityModeCompleterrcConnectionReconfigurationTAU AcceptTracking area update acceptrrcConnectionReconfigurationCompleteInitial context setup responseTracking area update completeTAU CompleteULInformationTransferUPLINK NAS TRANSPORTUE CONTEXT RELEASE COMMANDRRC Connection ReleaseUE CONTEXT RELEASE COMPLETE
TAU Request中含ACTIVE标识，用户完成TAU后可继续进行数据业务传输
UEeNodeBMMES-GWTracking area update requestRandom Access PreambleRandom Access ResponserrcConnectionRequestrrcConnectionSetuprrcConnectionSetupCompleteInitial UE messageInitial context setup requestueCapabilityEnquiryueCapabilityInformationUE Capability Info IndicationsecurityModeCommandsecurityModeCompleterrcConnectionReconfigurationCreate Bearer RequestCreate Bearer ResponseTAU AcceptTracking area update acceptrrcConnectionReconfigurationCompleteInitial context setup responseTracking area update completeTAU CompleteULInformationTransferUPLINK NAS TRANSPORTUPLINK DATADOWN DATA
6.1.2 连接态TAU
UETracking area update requesteNodeBMMEUPLINK NAS TRANSPORTDOWNLINK NAS TRANSPORTTracking area update acceptTracking area update completeTAU Complete
6.2 TAU失败流程
同3.2
7 ftp流程
UEattachRequestrrcConnectionRequesteNodeBMMES-GWP-GWftprrcConnectionSetuprrcConnectionSetupCompleteInitial UE messageCreate Session RequestCreate Session RequestInitiated IP-CAN Session EstablishmentInitiated IP-CAN Session EstablishmentCreate Session ResponseCreate Session ResponseInitial context setup requestueCapabilityEnquiryueCapabilityInformationUE Capability Info IndicationsecurityModeCommandsecurityModeCompleterrcConnectionReconfigurationattachAcceptactivateDefaultEpsBearerContextRequestrrcConnectionReconfigurationCompleteInitial context setup responseactivateDefaultEpsBearerContextAcceptattachCompleteULInformationTransferuplinkNASTransportModify Bearer RequestModify Bearer ResponseDOWNLINK DATA
ftp湾流数据.xls
8 切换流程
8.1 eNodeB内切换流程
UEmeasurementReportrrcConnectionReconfigurationrrcConnectionReconfigurationCompleteeNodeBMME
8.2 eNodeB间EPC内切换流程
UEmeasurementReportS-eNodeBT-eNodeBMMES-GWrrcConnectionReconfigurationrrcConnectionReconfigurationCompletePath Switch RequestUpdate Bearer RequestUpdate Bearer ResponsePath Switch Request Ack