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Content for  TS 38.413  Word version:  17.3.0

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9.2  Message Functional Definition and Contentp. 123

9.2.1  PDU Session Management Messagesp. 123

9.2.1.1  PDU SESSION RESOURCE SETUP REQUESTp. 123

This message is sent by the AMF and is used to request the NG-RAN node to assign resources on Uu and NG-U for one or several PDU session resources.
Direction:
AMF → NG-RAN node
IE/Group Name Presence Range IE type and reference Semantics description Criticality Assigned Criticality
Message TypeM 9.3.1.1YESreject
AMF UE NGAP IDM 9.3.3.1YESreject
RAN UE NGAP IDM 9.3.3.2YESreject
RAN Paging PriorityO 9.3.3.15YESignore
NAS-PDUO 9.3.3.4YESreject
PDU Session Resource Setup Request List1YESreject
>PDU Session Resource Setup Request Item1..<maxnoofPDUSessions>-
>>PDU Session IDM 9.3.1.50-
>>PDU Session NAS-PDUONAS-PDU
9.3.3.4
-
>>S-NSSAI M 9.3.1.24-
>>PDU Session Resource Setup Request TransferMOCTET STRINGContaining the PDU Session Resource Setup Request Transfer IE specified in subclause 9.3.4.1.-
>>PDU Session Expected UE Activity BehaviourOExpected UE Activity Behaviour
9.3.1.94
Expected UE Activity Behaviour for the PDU Session.YESignore
UE Aggregate Maximum Bit RateO 9.3.1.58YESignore
UE Slice Maximum Bit Rate ListO 9.3.1.231YESignore
Range bound Explanation
maxnoofPDUSessionsMaximum no. of PDU sessions allowed towards one UE. Value is 256.
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9.2.1.2  PDU SESSION RESOURCE SETUP RESPONSEp. 124

This message is sent by the NG-RAN node as a response to the request to assign resources on Uu and NG-U for one or several PDU session resources.
Direction:
NG-RAN node → AMF
IE/Group Name Presence Range IE type and reference Semantics description Criticality Assigned Criticality
Message TypeM 9.3.1.1YESreject
AMF UE NGAP IDM 9.3.3.1YESignore
RAN UE NGAP IDM 9.3.3.2YESignore
PDU Session Resource Setup Response List0..1YESignore
>PDU Session Resource Setup Response Item1..<maxnoofPDUSessions>-
>>PDU Session IDM 9.3.1.50-
>>PDU Session Resource Setup Response TransferMOCTET STRINGContaining the PDU Session Resource Setup Response Transfer IE specified in subclause 9.3.4.2.-
PDU Session Resource Failed to Setup List0..1YESignore
>PDU Session Resource Failed to Setup Item1..<maxnoofPDUSessions>-
>>PDU Session IDM 9.3.1.50-
>>PDU Session Resource Setup Unsuccessful TransferMOCTET STRINGContaining the PDU Session Resource Setup Unsuccessful Transfer IE specified in subclause 9.3.4.16-
Criticality Diagnostics O 9.3.1.3YESignore
User Location InformationO 9.3.1.16YESignore
Range bound Explanation
maxnoofPDUSessionsMaximum no. of PDU sessions allowed towards one UE. Value is 256.
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9.2.1.3  PDU SESSION RESOURCE RELEASE COMMANDp. 125

This message is sent by the AMF and is used to request the NG-RAN node to release already established PDU session resources for a given UE.
Direction:
AMF → NG-RAN node
IE/Group Name Presence Range IE type and reference Semantics description Criticality Assigned Criticality
Message TypeM 9.3.1.1YESreject
AMF UE NGAP IDM 9.3.3.1YESreject
RAN UE NGAP IDM 9.3.3.2YESreject
RAN Paging PriorityO 9.3.3.15YESignore
NAS-PDUO 9.3.3.4YESignore
PDU Session Resource to Release List1YESreject
>PDU Session Resource to Release Item1..<maxnoofPDUSessions>-
>>PDU Session IDM 9.3.1.50-
>>PDU Session Resource Release Command TransferMOCTET STRINGContaining the PDU Session Resource Release Command Transfer IE specified in subclause 9.3.4.12.-
Range bound Explanation
maxnoofPDUSessionsMaximum no. of PDU sessions allowed towards one UE. Value is 256.
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9.2.1.4  PDU SESSION RESOURCE RELEASE RESPONSEp. 126

This message is sent by the NG-RAN node as a response to the request to release already established PDU session resources for a given UE.
Direction:
NG-RAN node → AMF
IE/Group Name Presence Range IE type and reference Semantics description Criticality Assigned Criticality
Message TypeM 9.3.1.1YESreject
AMF UE NGAP IDM 9.3.3.1YESignore
RAN UE NGAP IDM 9.3.3.2YESignore
PDU Session Resource Released List1YESignore
>PDU Session Resource Released Item1..<maxnoofPDUSessions>-
>>PDU Session IDM 9.3.1.50-
>>PDU Session Resource Release Response TransferMOCTET STRINGContaining the PDU Session Resource Release Response Transfer IE specified in subclause 9.3.4.21.-
User Location InformationO 9.3.1.16YESignore
Criticality Diagnostics O 9.3.1.3YESignore
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9.2.1.5  PDU SESSION RESOURCE MODIFY REQUESTp. 126

This message is sent by the AMF and is used to request the NG-RAN node to enable modifications of already established PDU session resources for a given UE.
Direction:
AMF → NG-RAN node
IE/Group Name Presence Range IE type and reference Semantics description Criticality Assigned Criticality
Message TypeM 9.3.1.1YESreject
AMF UE NGAP IDM 9.3.3.1YESreject
RAN UE NGAP IDM 9.3.3.2YESreject
RAN Paging PriorityO 9.3.3.15YESignore
PDU Session Resource Modify Request List1YESreject
>PDU Session Resource Modify Request Item1..<maxnoofPDUSessions>-
>>PDU Session IDM 9.3.1.50-
>>NAS-PDUO 9.3.3.4-
>>PDU Session Resource Modify Request Transfer MOCTET STRINGContaining the PDU Session Resource Modify Request Transfer IE specified in subclause 9.3.4.3.-
>>S-NSSAI O 9.3.1.24YESreject
>>PDU Session Expected UE Activity BehaviourOExpected UE Activity Behaviour
9.3.1.94
Expected UE Activity Behaviour for the PDU Session.YESignore
Range bound Explanation
maxnoofPDUSessionsMaximum no. of PDU sessions allowed towards one UE. Value is 256.
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9.2.1.6  PDU SESSION RESOURCE MODIFY RESPONSEp. 128

This message is sent by the NG-RAN node and is used to report the outcome of the request from the PDU SESSION RESOURCE MODIFY REQUEST message.
Direction:
NG-RAN node → AMF
IE/Group Name Presence Range IE type and reference Semantics description Criticality Assigned Criticality
Message TypeM 9.3.1.1YESreject
AMF UE NGAP IDM 9.3.3.1YESignore
RAN UE NGAP IDM 9.3.3.2YESignore
PDU Session Resource Modify Response List0..1YESignore
>PDU Session Resource Modify Response Item1..<maxnoofPDUSessions>-
>>PDU Session IDM 9.3.1.50-
>>PDU Session Resource Modify Response TransferMOCTET STRINGContaining the PDU Session Resource Modify Response Transfer IE specified in subclause 9.3.4.4.-
PDU Session Resource Failed to Modify List0..1YESignore
>PDU Session Resource Failed to Modify Item1..<maxnoofPDUSessions>-
>>PDU Session IDM 9.3.1.50-
>>PDU Session Resource Modify Unsuccessful TransferMOCTET STRINGContaining the PDU Session Resource Modify Unsuccessful Transfer IE specified in subclause 9.3.4.17.-
User Location InformationO 9.3.1.16YESignore
Criticality DiagnosticsO 9.3.1.3YESignore
Range bound Explanation
maxnoofPDUSessionsMaximum no. of PDU sessions allowed towards one UE. Value is 256.
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9.2.1.7  PDU SESSION RESOURCE NOTIFYp. 128

This message is sent by the NG-RAN node to notify that the QoS requirements of already established GBR QoS flow(s) for which notification control has been requested are either not fulfilled anymore or fulfilled again by the NG-RAN node. This message can also be sent by the NG-RAN node to notify that PDU session resource(s) for a given UE are released.
Direction:
NG-RAN node → AMF
IE/Group Name Presence Range IE type and reference Semantics description Criticality Assigned Criticality
Message TypeM 9.3.1.1YESignore
AMF UE NGAP IDM 9.3.3.1YESreject
RAN UE NGAP IDM 9.3.3.2YESreject
PDU Session Resource Notify List0..1YESreject
>PDU Session Resource Notify Item1..<maxnoofPDUSessions>-
>>PDU Session IDM 9.3.1.50-
>>PDU Session Resource Notify TransferMOCTET STRINGContaining the PDU Session Resource Notify Transfer IE specified in subclause 9.3.4.5.-
PDU Session Resource Released List0..1YESignore
>PDU Session Resource Released Item1..<maxnoofPDUSessions>-
>>PDU Session IDM 9.3.1.50-
>>PDU Session Resource Notify Released TransferMOCTET STRINGContaining the PDU Session Resource Notify Released Transfer IE specified in subclause 9.3.4.13.-
User Location InformationO 9.3.1.16YESignore
Range bound Explanation
maxnoofPDUSessionsMaximum no. of PDU sessions allowed towards one UE. Value is 256.
Up

9.2.1.8  PDU SESSION RESOURCE MODIFY INDICATIONp. 129

This message is sent by the NG-RAN node and is used to request the AMF to enable modifications of already established PDU session resources for a given UE.
Direction:
NG-RAN node → AMF
IE/Group Name Presence Range IE type and reference Semantics description Criticality Assigned Criticality
Message TypeM 9.3.1.1YESreject
AMF UE NGAP IDM 9.3.3.1YESreject
RAN UE NGAP IDM 9.3.3.2YESreject
PDU Session Resource Modify Indication List1YESreject
>PDU Session Resource Modify Indication Item1..<maxnoofPDUSessions>-
>>PDU Session IDM 9.3.1.50-
>>PDU Session Resource Modify Indication TransferMOCTET STRINGContaining the PDU Session Resource Modify Indication Transfer IE specified in subclause 9.3.4.6.-
User Location InformationO 9.3.1.16YESignore
Range bound Explanation
maxnoofPDUSessionsMaximum no. of PDU sessions allowed towards one UE. Value is 256.
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9.2.1.9  PDU SESSION RESOURCE MODIFY CONFIRMp. 130

This message is sent by the AMF and is used to confirm the outcome of the request from the PDU SESSION RESOURCE MODIFY INDICATION message.
Direction:
AMF → NG-RAN node
IE/Group Name Presence Range IE type and reference Semantics description Criticality Assigned Criticality
Message TypeM 9.3.1.1YESreject
AMF UE NGAP IDM 9.3.3.1YESignore
RAN UE NGAP IDM 9.3.3.2YESignore
PDU Session Resource Modify Confirm List0..1YESignore
>PDU Session Resource Modify Confirm Item1..<maxnoofPDUSessions>-
>>PDU Session IDM 9.3.1.50-
>>PDU Session Resource Modify Confirm TransferMOCTET STRINGContaining the PDU Session Resource Modify Confirm Transfer IE specified in subclause 9.3.4.7.-
PDU Session Resource Failed to Modify List0..1YESignore
>PDU Session Resource Failed to Modify Item1..<maxnoofPDUSessions>-
>>PDU Session IDM 9.3.1.50-
>>PDU Session Resource Modify Indication Unsuccessful TransferMOCTET STRINGContaining the PDU Session Resource Modify Indication Unsuccessful Transfer IE specified in subclause 9.3.4.22.-
Criticality DiagnosticsO 9.3.1.3YESignore
Range bound Explanation
maxnoofPDUSessionsMaximum no. of PDU sessions allowed towards one UE. Value is 256.
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