LTE空口信令流程详解以及相关优化案例汇总.pdf

《LTE空口信令流程详解以及相关优化案例汇总.pdf》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、LTE空口信令流程详解以及相关优化案例汇总1、附着信令流程1.1、Attach附着信令流程（统计时延：红色的为开始和结束信令）EPSMMAttachrequestEPSMMUnknown(0x0734)ULCCCHrrcConnectionRequestDLCCCHrrcConnectionSetupULDCCHrrcConnectionSetupCompleteDLDCCHrrcConnectionReconfigurationDLDCCHdlInformationTransferULDCCHrrcConnectionReconfigurationCompleteEPSMM

2、SecurityprotectedNASmessageEPSMMAuthenticationrequestEPSMMAuthenticationresponseEPSMMUnknown(0x077B)ULDCCHulInformationTransferDLDCCHdlInformationTransferEPSMMSecurityprotectedNASmessageEPSMMSecuritymodecommandEPSMMSecuritymodecompleteEPSMMUnknown(0x0790)ULDCCHulInformationTransferDLDCCHueC

3、apabilityEnquiryULDCCHueCapabilityInformationDLDCCHsecurityModeCommandDLDCCHrrcConnectionReconfigurationULDCCHrrcConnectionReconfigurationCompleteEPSMMSecurityprotectedNASmessageEPSMMAttachacceptEPSSMActivatedefaultEPSbearercontextrequestEPSSMActivatedefaultEPSbearercontextacceptEPSMMAttach

4、completeEPSMMUnknown(0x072D)ULDCCHulInformationTransferDLDCCHrrcConnectionReconfigurationULDCCHrrcConnectionReconfigurationCompleteattach.xlsAttach信令流程详解1.2、Detach去附着信令流程（统计时延：红色的为开始和结束信令）EPSMMDetachrequestEPSMMUnknown(0x0734)ULDCCHulInformationTransferDLDCCHdlInformationTransferEPSMMSecuri

5、typrotectedNASmessageEPSMMDetachacceptDLDCCHrrcConnectionReleaseEPSSMPDNconnectivityrequestdeatch.xlsDetach信令流程详解2、呼叫业务信令流程2.1、UE主叫信令流程（统计时延：红色的为开始和结束信令）EPSMMExtendedservicerequestULCCCHrrcConnectionRequestDLCCCHrrcConnectionSetupULDCCHrrcConnectionSetupCompleteDLDCCHrrcConnectionReconfigur

6、ationULDCCHrrcConnectionReconfigurationCompleteDLDCCHsecurityModeCommandDLDCCHrrcConnectionReconfigurationULDCCHrrcConnectionReconfigurationCompleteDLDCCHrrcConnectionReconfigurationULDCCHrrcConnectionReconfigurationCompleteUE主叫信令.xlsUE主叫信令流程详解2.2、UE被叫信令流程（统计时延：红色的为开始和结束信令）DLPCCHPagingEPSMM

7、ExtendedservicerequestULCCCHrrcConnectionRequestDLCCCHrrcConnectionSetupULDCCHrrcConnectionSetupCompleteDLDCCHrrcConnectionReconfigurationULDCCHrrcConnectionReconfigurationCompleteDLDCCHsecurityModeCommandDLDCCHrrcConnectionReconfigurationULDCCHrrcConnec