LTE信令流程概要
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LTFra Baidu bibliotek层3信令流程概要和States Machine
E-UTRAN – 控制面协议栈
UE
NAS RRC PDCP RLC MAC PHY 36.331 36.323 36.322 36.321 36.211~36.214 LTE-Uu RRC PDCP SCTP RLC MAC PHY IP L2 L1 S1-MME/X2-C 36.412 36.422 SCTP IP L2 L1 UDP IP L2 24.301
Write-Replace Warning
WRITE-REPLACE WARNING REQUEST
WRITE-REPLACE WARNING RESPONSE
Class 1: Elementary Procedures with response (success and/or failure).
UE Capability Info Indication eNB Status Transfer MME Status Transfer Deactivate Trace Trace Start Trace Failure Indication Location Reporting Control Location Reporting Failure Indication Location Report Overload Start Overload Stop eNB Direct Information Transfer MME Direct Information Transfer eNB Configuration Transfer MME Configuration Transfer Cell Traffic Trace
S1-AP 信令流程概要 Class 1 (Spec 36.413)
Elementary Procedure Initiating Message Successful Outcome Response message Handover Preparation Handover Resource Allocation Path Switch Request Handover Cancellation E-RAB Setup E-RAB Modify HANDOVER REQUIRED HANDOVER REQUEST PATH SWITCH REQUEST HANDOVER CANCEL E-RAB SETUP REQUEST E-RAB MODIFY REQUEST HANDOVER COMMAND HANDOVER REQUEST ACKNOWLEDGE PATH SWITCH REQUEST ACKNOWLEDGE HANDOVER CANCEL ACKNOWLEDGE E-RAB SETUP RESPONSE E-RAB MODIFY RESPONSE Unsuccessful Outcome Response message HANDOVER PREPARATION FAILURE HANDOVER FAILURE PATH SWITCH REQUEST FAILURE
INITIAL CONTEXT SETUP REQUEST RESET S1 SETUP REQUEST UE CONTEXT RELEASE COMMAND UE CONTEXT MODIFICATION REQUEST ENB CONFIGURATION UPDATE MME CONFIGURATION UPDATE
6.4.1 6.4.2 6.4.3 6.4.4 Default EPS bearer context activation procedure Dedicated EPS bearer context activation procedure EPS bearer context modification procedure EPS bearer context deactivation procedure
UE requested ESM procedures(Transaction related procedures)
6.5.1 6.5.2 6.5.3 6.5.4 UE requested PDN connectivity procedure UE requested PDN disconnect procedure UE requested bearer resource allocation procedure UE requested bearer resource modification procedure
Connection control
Other
5.6.1 5.6.2 5.6.3 5.6.4
NAS EPS MM 信令流程概要 (Spec 24.301)
Common procedures
5.4.1 5.4.2 5.4.3 5.4.4 5.4.5 5.5.1 GUTI reallocation procedure Authentication procedure Security mode control procedure Identification procedure EMM information procedure Attach procedure 5.5.1.2 Attach procedure for EPS services 5.5.1.3 Combined attach procedure for EPS services and non-EPS services Detach procedure 5.5.2.2 UE initiated detach procedure 5.5.2.3 Network initiated detach procedure Tracking area updating procedure 5.5.3.2 Normal and periodic tracking area updating procedure 5.5.3.3 Combined tracking area updating procedure Service request procedure Paging procedure Transport of NAS messages procedure Generic transport of NAS messages procedure
UPLINK S1 CDMA2000 TUNNELING
UE CAPABILITY INFO INDICATION eNB STATUS TRANSFER MME STATUS TRANSFER DEACTIVATE TRACE TRACE START TRACE FAILURE INDICATION LOCATION REPORTING CONTROL LOCATION REPORTING FAILURE INDICATION LOCATION REPORT OVERLOAD START OVERLOAD STOP eNB DIRECT INFORMATION TRANSFER MME DIRECT INFORMATION TRANSFER eNB CONFIGURATION TRANSFER MME CONFIGURATION TRANSFER CELL TRAFFIC TRACE
DOWNLINK NAS TRANSPORT
UPLINK NAS TRANSPORT NAS NON DELIVERY INDICATION ERROR INDICATION UE CONTEXT RELEASE REQUEST DOWNLINK S1 CDMA2000 TUNNELING
Uplink S1 CDMA2000 Tunneling
eNodeB
MME/ eNodeB NAS S1AP X2AP 36.413 36.423 S1AP X2AP 29.274
PDN/S-GW
GTP-C
L1
RRC 信令流程概要 (Spec 36.331)
5.2 5.3.2 5.3.3 5.3.4 5.3.5 5.3.6 5.3.7 5.3.8 5.3.9 5.3.10 5.3.11 5.3.12 5.3.13 5.4 5.5 System information Paging RRC connection establishment Initial security activation RRC connection reconfiguration Counter check RRC connection re-establishment RRC connection release RRC connection release requested by upper layers Radio resource configuration Radio link failure related actions UE actions upon leaving RRC_CONNECTED UE actions upon PUCCH/ SRS release request Inter-RAT mobility Measurements DL information transfer UL information transfer UE capability transfer CSFB to 1x Parameter transfer
Miscellaneous procedures
6.6.1.2 ESM information request procedure 6.6.1.3 Exchange of protocol configuration options in other messages 6.6.2 Notification procedure
Message
E-RAB RELEASE INDICATION PAGING INITIAL UE MESSAGE
Downlink NAS Transport
Uplink NAS Transport NAS non delivery indication Error Indication UE Context Release Request DownlinkS1 CDMA2000 Tunneling
E-RAB Release
Initial Context Setup Reset S1 Setup UE Context Release UE Context Modification eNB Configuration Update MME Configuration Update
E-RAB RELEASE COMMAND
Specific procedures
5.5.2
5.5.3
Connection management (ECM) procedures
5.6.1 5.6.2 5.6.3 5.6.4
NAS EPS SM 信令流程概要 (Spec 24.301) Network initiated ESM procedures(Procedures related to EPS bearer contexts)
S1-AP 信令流程概要 Class 2 (Spec 36.413)
Elementary Procedure Handover Notification E-RAB Release Indication Paging Initial UE Message HANDOVER NOTIFY
Class 2: Elementary Procedures without response
E-RAB RELEASE RESPONSE
INITIAL CONTEXT SETUP RESPONSE RESET ACKNOWLEDGE S1 SETUP RESPONSE UE CONTEXT RELEASE COMPLETE UE CONTEXT MODIFICATION RESPONSE ENB CONFIGURATION UPDATE ACKNOWLEDGE MME CONFIGURAION UPDATE ACKNOWLEDGE UE CONTEXT MODIFICATION FAILURE ENB CONFIGURATION UPDATE FAILURE MME CONFIGURATION UPDATE FAILURE S1 SETUP FAILURE INITIAL CONTEXT SETUP FAILURE
E-UTRAN – 控制面协议栈
UE
NAS RRC PDCP RLC MAC PHY 36.331 36.323 36.322 36.321 36.211~36.214 LTE-Uu RRC PDCP SCTP RLC MAC PHY IP L2 L1 S1-MME/X2-C 36.412 36.422 SCTP IP L2 L1 UDP IP L2 24.301
Write-Replace Warning
WRITE-REPLACE WARNING REQUEST
WRITE-REPLACE WARNING RESPONSE
Class 1: Elementary Procedures with response (success and/or failure).
UE Capability Info Indication eNB Status Transfer MME Status Transfer Deactivate Trace Trace Start Trace Failure Indication Location Reporting Control Location Reporting Failure Indication Location Report Overload Start Overload Stop eNB Direct Information Transfer MME Direct Information Transfer eNB Configuration Transfer MME Configuration Transfer Cell Traffic Trace
S1-AP 信令流程概要 Class 1 (Spec 36.413)
Elementary Procedure Initiating Message Successful Outcome Response message Handover Preparation Handover Resource Allocation Path Switch Request Handover Cancellation E-RAB Setup E-RAB Modify HANDOVER REQUIRED HANDOVER REQUEST PATH SWITCH REQUEST HANDOVER CANCEL E-RAB SETUP REQUEST E-RAB MODIFY REQUEST HANDOVER COMMAND HANDOVER REQUEST ACKNOWLEDGE PATH SWITCH REQUEST ACKNOWLEDGE HANDOVER CANCEL ACKNOWLEDGE E-RAB SETUP RESPONSE E-RAB MODIFY RESPONSE Unsuccessful Outcome Response message HANDOVER PREPARATION FAILURE HANDOVER FAILURE PATH SWITCH REQUEST FAILURE
INITIAL CONTEXT SETUP REQUEST RESET S1 SETUP REQUEST UE CONTEXT RELEASE COMMAND UE CONTEXT MODIFICATION REQUEST ENB CONFIGURATION UPDATE MME CONFIGURATION UPDATE
6.4.1 6.4.2 6.4.3 6.4.4 Default EPS bearer context activation procedure Dedicated EPS bearer context activation procedure EPS bearer context modification procedure EPS bearer context deactivation procedure
UE requested ESM procedures(Transaction related procedures)
6.5.1 6.5.2 6.5.3 6.5.4 UE requested PDN connectivity procedure UE requested PDN disconnect procedure UE requested bearer resource allocation procedure UE requested bearer resource modification procedure
Connection control
Other
5.6.1 5.6.2 5.6.3 5.6.4
NAS EPS MM 信令流程概要 (Spec 24.301)
Common procedures
5.4.1 5.4.2 5.4.3 5.4.4 5.4.5 5.5.1 GUTI reallocation procedure Authentication procedure Security mode control procedure Identification procedure EMM information procedure Attach procedure 5.5.1.2 Attach procedure for EPS services 5.5.1.3 Combined attach procedure for EPS services and non-EPS services Detach procedure 5.5.2.2 UE initiated detach procedure 5.5.2.3 Network initiated detach procedure Tracking area updating procedure 5.5.3.2 Normal and periodic tracking area updating procedure 5.5.3.3 Combined tracking area updating procedure Service request procedure Paging procedure Transport of NAS messages procedure Generic transport of NAS messages procedure
UPLINK S1 CDMA2000 TUNNELING
UE CAPABILITY INFO INDICATION eNB STATUS TRANSFER MME STATUS TRANSFER DEACTIVATE TRACE TRACE START TRACE FAILURE INDICATION LOCATION REPORTING CONTROL LOCATION REPORTING FAILURE INDICATION LOCATION REPORT OVERLOAD START OVERLOAD STOP eNB DIRECT INFORMATION TRANSFER MME DIRECT INFORMATION TRANSFER eNB CONFIGURATION TRANSFER MME CONFIGURATION TRANSFER CELL TRAFFIC TRACE
DOWNLINK NAS TRANSPORT
UPLINK NAS TRANSPORT NAS NON DELIVERY INDICATION ERROR INDICATION UE CONTEXT RELEASE REQUEST DOWNLINK S1 CDMA2000 TUNNELING
Uplink S1 CDMA2000 Tunneling
eNodeB
MME/ eNodeB NAS S1AP X2AP 36.413 36.423 S1AP X2AP 29.274
PDN/S-GW
GTP-C
L1
RRC 信令流程概要 (Spec 36.331)
5.2 5.3.2 5.3.3 5.3.4 5.3.5 5.3.6 5.3.7 5.3.8 5.3.9 5.3.10 5.3.11 5.3.12 5.3.13 5.4 5.5 System information Paging RRC connection establishment Initial security activation RRC connection reconfiguration Counter check RRC connection re-establishment RRC connection release RRC connection release requested by upper layers Radio resource configuration Radio link failure related actions UE actions upon leaving RRC_CONNECTED UE actions upon PUCCH/ SRS release request Inter-RAT mobility Measurements DL information transfer UL information transfer UE capability transfer CSFB to 1x Parameter transfer
Miscellaneous procedures
6.6.1.2 ESM information request procedure 6.6.1.3 Exchange of protocol configuration options in other messages 6.6.2 Notification procedure
Message
E-RAB RELEASE INDICATION PAGING INITIAL UE MESSAGE
Downlink NAS Transport
Uplink NAS Transport NAS non delivery indication Error Indication UE Context Release Request DownlinkS1 CDMA2000 Tunneling
E-RAB Release
Initial Context Setup Reset S1 Setup UE Context Release UE Context Modification eNB Configuration Update MME Configuration Update
E-RAB RELEASE COMMAND
Specific procedures
5.5.2
5.5.3
Connection management (ECM) procedures
5.6.1 5.6.2 5.6.3 5.6.4
NAS EPS SM 信令流程概要 (Spec 24.301) Network initiated ESM procedures(Procedures related to EPS bearer contexts)
S1-AP 信令流程概要 Class 2 (Spec 36.413)
Elementary Procedure Handover Notification E-RAB Release Indication Paging Initial UE Message HANDOVER NOTIFY
Class 2: Elementary Procedures without response
E-RAB RELEASE RESPONSE
INITIAL CONTEXT SETUP RESPONSE RESET ACKNOWLEDGE S1 SETUP RESPONSE UE CONTEXT RELEASE COMPLETE UE CONTEXT MODIFICATION RESPONSE ENB CONFIGURATION UPDATE ACKNOWLEDGE MME CONFIGURAION UPDATE ACKNOWLEDGE UE CONTEXT MODIFICATION FAILURE ENB CONFIGURATION UPDATE FAILURE MME CONFIGURATION UPDATE FAILURE S1 SETUP FAILURE INITIAL CONTEXT SETUP FAILURE