Content for TS 38.413 Word version: 18.2.0
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9.2.3 UE Mobility Management Messages
9.2.3.1 HANDOVER REQUIRED
9.2.3.2 HANDOVER COMMAND
9.2.3.3 HANDOVER PREPARATION FAILURE
9.2.3.4 HANDOVER REQUEST
9.2.3.5 HANDOVER REQUEST ACKNOWLEDGE
9.2.3.6 HANDOVER FAILURE
9.2.3.7 HANDOVER NOTIFY
9.2.3.8 PATH SWITCH REQUEST
9.2.3.9 PATH SWITCH REQUEST ACKNOWLEDGE
9.2.3.10 PATH SWITCH REQUEST FAILURE
9.2.3.11 HANDOVER CANCEL
9.2.3.12 HANDOVER CANCEL ACKNOWLEDGE
9.2.3.13 UPLINK RAN STATUS TRANSFER
9.2.3.14 DOWNLINK RAN STATUS TRANSFER
9.2.3.15 HANDOVER SUCCESS
9.2.3.16 UPLINK RAN EARLY STATUS TRANSFER
9.2.3.17 DOWNLINK RAN EARLY STATUS TRANSFER
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9.2.3 UE Mobility Management Messages p. 159
9.2.3.1 HANDOVER REQUIRED p. 159
This message is sent by the source NG-RAN node to the AMF to request the preparation of resources at the target.
Direction:
NG-RAN node → AMF.
| IE/Group Name | Presence | Range | IE type and reference | Semantics description | Criticality | Assigned Criticality |
|---|---|---|---|---|---|---|
| Message Type | M | 9.3.1.1 | YES | reject | ||
| AMF UE NGAP ID | M | 9.3.3.1 | YES | reject | ||
| RAN UE NGAP ID | M | 9.3.3.2 | YES | reject | ||
| Handover Type | M | 9.3.1.22 | YES | reject | ||
| Cause | M | 9.3.1.2 | YES | ignore | ||
| Target ID | M | 9.3.1.25 | YES | reject | ||
| Direct Forwarding Path Availability | O | 9.3.1.64 | YES | ignore | ||
| PDU Session Resource List | 1 | YES | reject | |||
| >PDU Session Resource Item | 1..<maxnoof | - | ||||
| >>PDU Session ID | M | 9.3.1.50 | - | |||
| >>Handover Required Transfer | M | OCTET STRING | Containing the Handover Required Transfer IE specified in subclause 9.3.4.14. | - | ||
| Source to Target Transparent Container | M | 9.3.1.20 | YES | reject |
| Range bound | Explanation |
|---|---|
| maxnoof | Maximum no. of PDU sessions allowed towards one UE. Value is 256. |
9.2.3.2 HANDOVER COMMAND p. 159
This message is sent by the AMF to inform the source NG-RAN node that resources for the handover have been prepared at the target side.
Direction:
AMF→ NG-RAN node.
| IE/Group Name | Presence | Range | IE type and reference | Semantics description | Criticality | Assigned Criticality |
|---|---|---|---|---|---|---|
| Message Type | M | 9.3.1.1 | YES | reject | ||
| AMF UE NGAP ID | M | 9.3.3.1 | YES | reject | ||
| RAN UE NGAP ID | M | 9.3.3.2 | YES | reject | ||
| Handover Type | M | 9.3.1.22 | YES | reject | ||
| NAS Security Parameters from NG-RAN | C-iftoEPSUTRA | 9.3.3.26 | YES | reject | ||
| PDU Session Resource Handover List | 0..1 | YES | ignore | |||
| >PDU Session Resource Handover Item | 1..<maxnoof | - | ||||
| >>PDU Session ID | M | 9.3.1.50 | - | |||
| >>Handover Command Transfer | M | OCTET STRING | Containing the Handover Command Transfer IE specified in subclause 9.3.4.10. | - | ||
| PDU Session Resource to Release List | 0..1 | YES | ignore | |||
| >PDU Session Resource to Release Item | 1..<maxnoof | - | ||||
| >>PDU Session ID | M | 9.3.1.50 | - | |||
| >>Handover Preparation Unsuccessful Transfer | M | OCTET STRING | Containing the Handover Preparation Unsuccessful Transfer IE specified in subclause 9.3.4.18. | - | ||
| Target to Source Transparent Container | M | 9.3.1.21 | YES | reject | ||
| Criticality Diagnostics | O | 9.3.1.3 | YES | ignore |
| Range bound | Explanation |
|---|---|
| maxnoof | Maximum no. of PDU sessions allowed towards one UE. Value is 256. |
| Condition | Explanation |
|---|---|
| iftoEPSUTRA | This IE shall be present if the Handover Type IE is set to the value "5GStoEPS" or "5GtoUTRA". |
9.2.3.3 HANDOVER PREPARATION FAILURE p. 160
This message is sent by the AMF to inform the source NG-RAN node that the Handover Preparation has failed.
Direction:
AMF → NG-RAN node.
| IE/Group Name | Presence | Range | IE type and reference | Semantics description | Criticality | Assigned Criticality |
|---|---|---|---|---|---|---|
| Message Type | M | 9.3.1.1 | YES | reject | ||
| AMF UE NGAP ID | M | 9.3.3.1 | YES | ignore | ||
| RAN UE NGAP ID | M | 9.3.3.2 | YES | ignore | ||
| Cause | M | 9.3.1.2 | YES | ignore | ||
| Criticality Diagnostics | O | 9.3.1.3 | YES | ignore | ||
| Target to Source Failure Transparent Container | O | 9.3.1.186 | YES | ignore |
9.2.3.4 HANDOVER REQUEST p. 161
This message is sent by the AMF to the target NG-RAN node to request the preparation of resources.
Direction:
AMF → NG-RAN node.
| IE/Group Name | Presence | Range | IE type and reference | Semantics description | Criticality | Assigned Criticality |
|---|---|---|---|---|---|---|
| Message Type | M | 9.3.1.1 | YES | reject | ||
| AMF UE NGAP ID | M | 9.3.3.1 | YES | reject | ||
| Handover Type | M | 9.3.1.22 | YES | reject | ||
| Cause | M | 9.3.1.2 | YES | ignore | ||
| UE Aggregate Maximum Bit Rate | M | 9.3.1.58 | YES | reject | ||
| Core Network Assistance Information for RRC INACTIVE | O | 9.3.1.15 | YES | ignore | ||
| UE Security Capabilities | M | 9.3.1.86 | YES | reject | ||
| Security Context | M | 9.3.1.88 | YES | reject | ||
| New Security Context Indicator | O | 9.3.1.55 | YES | reject | ||
| NASC | O | NAS-PDU 9.3.3.4 | Refers to either the "Intra N1 mode NAS transparent container" or the "S1 mode to N1 mode NAS transparent container", the details of the IE definition and the encoding arespecified in TS 24.501. | YES | reject | |
| PDU Session Resource Setup List | 1 | YES | reject | |||
| >PDU Session Resource Setup Item | 1..<maxnoof | - | ||||
| >>PDU Session ID | M | 9.3.1.50 | - | |||
| >>S-NSSAI | M | 9.3.1.24 | - | |||
| >>Handover Request Transfer | M | OCTET STRING | Containing the PDU Session Resource Setup Request Transfer IE specified in subclause 9.3.4.1. | - | ||
| >>PDU Session Expected UE Activity Behaviour | O | Expected UE Activity Behaviour 9.3.1.94 | Expected UE Activity Behaviour for the PDU Session. | YES | ignore | |
| Allowed NSSAI | M | 9.3.1.31 | Indicates the S-NSSAIs permitted by the network. | YES | reject | |
| Trace Activation | O | 9.3.1.14 | YES | ignore | ||
| Masked IMEISV | O | 9.3.1.54 | YES | ignore | ||
| Source to Target Transparent Container | M | 9.3.1.20 | YES | reject | ||
| Mobility Restriction List | O | 9.3.1.85 | YES | ignore | ||
| Location Reporting Request Type | O | 9.3.1.65 | YES | ignore | ||
| RRC Inactive Transition Report Request | O | 9.3.1.91 | YES | ignore | ||
| GUAMI | M | 9.3.3.3 | YES | reject | ||
| Redirection for Voice EPS Fallback | O | 9.3.1.116 | YES | ignore | ||
| CN Assisted RAN Parameters Tuning | O | 9.3.1.119 | YES | ignore | ||
| SRVCC Operation Possible | O | 9.3.1.128 | YES | ignore | ||
| IAB Authorized | O | 9.3.1.129 | YES | reject | ||
| Enhanced Coverage Restriction | O | 9.3.1.140 | YES | ignore | ||
| UE Differentiation Information | O | 9.3.1.144 | YES | ignore | ||
| NR V2X Services Authorized | O | 9.3.1.146 | YES | ignore | ||
| LTE V2X Services Authorized | O | 9.3.1.147 | YES | ignore | ||
| NR UE Sidelink Aggregate Maximum Bit Rate | O | 9.3.1.148 | This IE applies only if the UE is authorized for NR V2X services. | YES | ignore | |
| LTE UE Sidelink Aggregate Maximum Bit Rate | O | 9.3.1.149 | This IE applies only if the UE is authorized for LTE V2X services. | YES | ignore | |
| PC5 QoS Parameters | O | 9.3.1.150 | This IE applies only if the UE is authorized for NR V2X services. | YES | ignore | |
| CE-mode-B Restricted | O | 9.3.1.155 | YES | ignore | ||
| UE User Plane CIoT Support Indicator | O | 9.3.1.160 | YES | ignore | ||
| Management Based MDT PLMN List | O | MDT PLMN List 9.3.1.168 | YES | ignore | ||
| UE Radio Capability ID | O | 9.3.1.142 | YES | reject | ||
| Extended Connected Time | O | 9.3.3.31 | YES | ignore | ||
| Time Synchronisation Assistance Information | O | 9.3.1.220 | YES | ignore | ||
| UE Slice Maximum Bit Rate List | O | 9.3.1.231 | YES | ignore | ||
| 5G ProSe Authorized | O | 9.3.1.233 | YES | ignore | ||
| 5G ProSe UE PC5 Aggregate Maximum Bit Rate | O | NR UE Sidelink Aggregate Maximum Bit Rate 9.3.1.148 | This IE applies only if the UE is authorized for 5G ProSe services. | YES | ignore | |
| 5G ProSe PC5 QoS Parameters | O | 9.3.1.234 | This IE applies only if the UE is authorized for 5G ProSe services. | YES | ignore | |
| Aerial UE Subscription Information | O | 9.3.1.246 | YES | ignore | ||
| NR A2X Services Authorized | O | 9.3.1.247 | YES | ignore | ||
| LTE A2X Services Authorized | O | 9.3.1.248 | YES | ignore | ||
| NR A2X UE PC5 Aggregate Maximum Bit Rate | O | NR UE Sidelink Aggregate Maximum Bit Rate
9.3.1.148 | This IE applies only if the UE is authorized for NR A2X services. | YES | ignore | |
| LTE A2X UE PC5 Aggregate Maximum Bit Rate | O | LTE UE Sidelink Aggregate Maximum Bit Rate
9.3.1.149 | This IE applies only if the UE is authorized for LTE A2X services. | YES | ignore | |
| A2X PC5 QoS Parameters | O | 9.3.1.249 | This IE applies only if the UE is authorized for A2X services. | YES | ignore | |
| Mobile IAB Authorized | O | 9.3.1.259 | YES | ignore | ||
| No PDU Session Indication | O | ENUMERATED (true, ...) | This IE applies only if the UE is a mobile IAB-MT. | YES | ignore | |
| Partially Allowed NSSAI | O | 9.3.1.261 | Indicates the S-NSSAIs partially permitted by the network. | YES | ignore | |
| Ranging and Sidelink Positioning Service Information | O | 9.3.1.269 | This IE applies only if the UE is authorized for NR V2X services and/or 5G ProSe services. | YES | ignore |
| Range bound | Explanation |
|---|---|
| maxnoof | Maximum no. of PDU sessions allowed towards one UE. Value is 256. |
9.2.3.5 HANDOVER REQUEST ACKNOWLEDGE p. 164
This message is sent by the target NG-RAN node to inform the AMF about the prepared resources at the target.
Direction:
NG-RAN node → AMF.
| IE/Group Name | Presence | Range | IE type and reference | Semantics description | Criticality | Assigned Criticality |
|---|---|---|---|---|---|---|
| Message Type | M | 9.3.1.1 | YES | reject | ||
| AMF UE NGAP ID | M | 9.3.3.1 | YES | ignore | ||
| RAN UE NGAP ID | M | 9.3.3.2 | Allocated at the target NG-RAN node. | YES | ignore | |
| PDU Session Resource Admitted List | 1 | YES | ignore | |||
| >PDU Session Resource Admitted Item | 1..<maxnoof | - | ||||
| >>PDU Session ID | M | 9.3.1.50 | - | |||
| >>Handover Request Acknowledge Transfer | M | OCTET STRING | Containing the Handover Request Acknowledge Transfer IE specified in subclause 9.3.4.11. | - | ||
| PDU Session Resource Failed to Setup List | 0..1 | YES | ignore | |||
| >PDU Session Resource Failed to Setup Item | 1..<maxnoof | - | ||||
| >>PDU Session ID | M | 9.3.1.50 | - | |||
| >>Handover Resource Allocation Unsuccessful Transfer | M | OCTET STRING | Containing the Handover Resource Allocation Unsuccessful Transfer IE specified in subclause 9.3.4.19. | - | ||
| Target to Source Transparent Container | M | 9.3.1.21 | YES | reject | ||
| Criticality Diagnostics | O | 9.3.1.3 | YES | ignore | ||
| NPN Access Information | O | 9.3.3.46 | YES | reject | ||
| RedCap Indication | O | 9.3.1.228 | YES | ignore | ||
| eRedCap Indication | O | ENUMERATED (true, ...) | YES | ignore |
| Range bound | Explanation |
|---|---|
| maxnoof | Maximum no. of PDU sessions allowed towards one UE. Value is 256. |
9.2.3.6 HANDOVER FAILURE p. 165
This message is sent by the target NG-RAN node to inform the AMF that the preparation of resources has failed.
Direction:
NG-RAN node → AMF.
| IE/Group Name | Presence | Range | IE type and reference | Semantics description | Criticality | Assigned Criticality |
|---|---|---|---|---|---|---|
| Message Type | M | 9.3.1.1 | YES | reject | ||
| AMF UE NGAP ID | M | 9.3.3.1 | YES | ignore | ||
| Cause | M | 9.3.1.2 | YES | ignore | ||
| Criticality Diagnostics | O | 9.3.1.3 | YES | ignore | ||
| Target to Source Failure Transparent Container | O | 9.3.1.186 | YES | ignore |
9.2.3.7 HANDOVER NOTIFY p. 165
This message is sent by the target NG-RAN node to inform the AMF that the UE has been identified in the target cell and the handover has been completed.
Direction:
NG-RAN node → AMF.
| IE/Group Name | Presence | Range | IE type and reference | Semantics description | Criticality | Assigned Criticality |
|---|---|---|---|---|---|---|
| Message Type | M | 9.3.1.1 | YES | ignore | ||
| AMF UE NGAP ID | M | 9.3.3.1 | YES | reject | ||
| RAN UE NGAP ID | M | 9.3.3.2 | YES | reject | ||
| User Location Information | M | 9.3.1.16 | YES | ignore | ||
| Notify Source NG-RAN Node | O | ENUMERATED (NotifySource, …) | YES | ignore |
9.2.3.8 PATH SWITCH REQUEST p. 166
This message is sent by the NG-RAN node to inform the AMF of the new serving NG-RAN node and to transfer some NG-U DL tunnel termination point(s) to the SMF via the AMF for one or multiple PDU session resources.
Direction:
NG-RAN node → AMF.
| IE/Group Name | Presence | Range | IE type and reference | Semantics description | Criticality | Assigned Criticality |
|---|---|---|---|---|---|---|
| Message Type | M | 9.3.1.1 | YES | reject | ||
| RAN UE NGAP ID | M | 9.3.3.2 | YES | reject | ||
| Source AMF UE NGAP ID | M | AMF UE NGAP ID
9.3.3.1 | YES | reject | ||
| User Location Information | M | 9.3.1.16 | YES | ignore | ||
| UE Security Capabilities | M | 9.3.1.86 | YES | ignore | ||
| PDU Session Resource to be Switched in Downlink List | 1 | YES | reject | |||
| >PDU Session Resource to be Switched in Downlink Item | 1..<maxnoof | - | ||||
| >>PDU Session ID | M | 9.3.1.50 | - | |||
| >>Path Switch Request Transfer | M | OCTET STRING | Containing the Path Switch Request Transfer IE specified in subclause 9.3.4.8. | - | ||
| PDU Session Resource Failed to Setup List | 0..1 | YES | ignore | |||
| >PDU Session Resource Failed to Setup Item | 1..<maxnoof | - | ||||
| >>PDU Session ID | M | 9.3.1.50 | - | |||
| >>Path Switch Request Setup Failed Transfer | M | OCTET STRING | Containing the Path Switch Request Setup Failed Transfer IE specified in subclause 9.3.4.15. | - | ||
| RRC Resume Cause | O | RRC Establishment Cause
9.3.1.111 | YES | ignore | ||
| RedCap Indication | O | 9.3.1.228 | YES | ignore | ||
| eRedCap Indication | O | ENUMERATED (true, ...) | YES | ignore |
| Range bound | Explanation |
|---|---|
| maxnoof | Maximum no. of PDU sessions allowed towards one UE. Value is 256. |
9.2.3.9 PATH SWITCH REQUEST ACKNOWLEDGE p. 167
This message is sent by the AMF to inform the NG-RAN node that the path switch has been successfully completed in the 5GC.
Direction:
AMF → NG-RAN node.
| IE/Group Name | Presence | Range | IE type and reference | Semantics description | Criticality | Assigned Criticality |
|---|---|---|---|---|---|---|
| Message Type | M | 9.3.1.1 | YES | reject | ||
| AMF UE NGAP ID | M | 9.3.3.1 | YES | ignore | ||
| RAN UE NGAP ID | M | 9.3.3.2 | YES | ignore | ||
| UE Security Capabilities | O | 9.3.1.86 | YES | reject | ||
| Security Context | M | 9.3.1.88 | YES | reject | ||
| New Security Context Indicator | O | 9.3.1.55 | YES | reject | ||
| PDU Session Resource Switched List | 1 | YES | ignore | |||
| >PDU Session Resource Switched Item | 1..<maxnoof | - | ||||
| >>PDU Session ID | M | 9.3.1.50 | - | |||
| >>Path Switch Request Acknowledge Transfer | M | OCTET STRING | Containing the Path Switch Request Acknowledge Transfer IE specified in subclause 9.3.4.9. | - | ||
| >>PDU Session Expected UE Activity Behaviour | O | Expected UE Activity Behaviour 9.3.1.94 | Expected UE Activity Behaviour for the PDU Session. | YES | ignore | |
| PDU Session Resource Released List | 0..1 | YES | ignore | |||
| >PDU Session Resource Released Item | 1..<maxnoof | - | ||||
| >>PDU Session ID | M | 9.3.1.50 | - | |||
| >>Path Switch Request Unsuccessful Transfer | M | OCTET STRING | Containing the Path Switch Request Unsuccessful Transfer IE specified in subclause 9.3.4.20. | - | ||
| Allowed NSSAI | M | 9.3.1.31 | Indicates the S-NSSAIs permitted by the network. | YES | reject | |
| Core Network Assistance Information for RRC INACTIVE | O | 9.3.1.15 | YES | ignore | ||
| RRC Inactive Transition Report Request | O | 9.3.1.91 | YES | ignore | ||
| Criticality Diagnostics | O | 9.3.1.3 | YES | ignore | ||
| Redirection for Voice EPS Fallback | O | 9.3.1.116 | YES | ignore | ||
| CN Assisted RAN Parameters Tuning | O | 9.3.1.119 | YES | ignore | ||
| SRVCC Operation Possible | O | 9.3.1.128 | YES | ignore | ||
| Enhanced Coverage Restriction | O | 9.3.1.140 | YES | ignore | ||
| Extended Connected Time | O | 9.3.3.31 | YES | ignore | ||
| UE Differentiation Information | O | 9.3.1.144 | YES | ignore | ||
| NR V2X Services Authorized | O | 9.3.1.146 | YES | ignore | ||
| LTE V2X Services Authorized | O | 9.3.1.147 | YES | ignore | ||
| NR UE Sidelink Aggregate Maximum Bit Rate | O | 9.3.1.148 | This IE applies only if the UE is authorized for NR V2X services. | YES | ignore | |
| LTE UE Sidelink Aggregate Maximum Bit Rate | O | 9.3.1.149 | This IE applies only if the UE is authorized for LTE V2X services. | YES | ignore | |
| PC5 QoS Parameters | O | 9.3.1.150 | This IE applies only if the UE is authorized for NR V2X services. | YES | ignore | |
| CE-mode-B Restricted | O | 9.3.1.155 | YES | ignore | ||
| UE User Plane CIoT Support Indicator | O | 9.3.1.160 | YES | ignore | ||
| UE Radio Capability ID | O | 9.3.1.142 | YES | reject | ||
| Management Based MDT PLMN List | O | MDT PLMN List 9.3.1.168 | This IE is ignored if the Management Based MDT PLMN Modification List IE is present. | YES | ignore | |
| Time Synchronisation Assistance Information | O | 9.3.1.220 | YES | ignore | ||
| 5G ProSe Authorized | O | 9.3.1.233 | YES | ignore | ||
| 5G ProSe UE PC5 Aggregate Maximum Bit Rate | O | NR UE Sidelink Aggregate Maximum Bit Rate 9.3.1.148 | This IE applies only if the UE is authorized for 5G ProSe services. | YES | ignore | |
| 5G ProSe PC5 QoS Parameters | O | 9.3.1.234 | This IE applies only if the UE is authorized for 5G ProSe services. | YES | ignore | |
| Management Based MDT PLMN Modification List | O | 9.3.1.243 | YES | ignore | ||
| IAB Authorized | O | 9.3.1.129 | YES | ignore | ||
| Aerial UE Subscription Information | O | 9.3.1.246 | YES | ignore | ||
| NR A2X Services Authorized | O | 9.3.1.247 | YES | ignore | ||
| LTE A2X Services Authorized | O | 9.3.1.248 | YES | ignore | ||
| NR A2X UE PC5 Aggregate Maximum Bit Rate | O | NR UE Sidelink Aggregate Maximum Bit Rate
9.3.1.148 | This IE applies only if the UE is authorized for NR A2X services. | YES | ignore | |
| LTE A2X UE PC5 Aggregate Maximum Bit Rate | O | LTE UE Sidelink Aggregate Maximum Bit Rate
9.3.1.149 | This IE applies only if the UE is authorized for LTE A2X services. | YES | ignore | |
| A2X PC5 QoS Parameters | O | 9.3.1.249 | This IE applies only if the UE is authorized for A2X services. | YES | ignore | |
| Mobile IAB Authorized | O | 9.3.1.259 | YES | ignore | ||
| Partially Allowed NSSAI | O | 9.3.1.261 | Indicates the S-NSSAIs partially permitted by the network. | YES | ignore | |
| Ranging and Sidelink Positioning Service Information | O | 9.3.1.269 | This IE applies only if the UE is authorized for NR V2X services and/or 5G ProSe services. | YES | ignore |
| Range bound | Explanation |
|---|---|
| maxnoof | Maximum no. of PDU sessions allowed towards one UE. Value is 256. |
9.2.3.10 PATH SWITCH REQUEST FAILURE p. 170
This message is sent by the AMF to inform the NG-RAN node that a failure has occurred in the 5GC during the Path Switch Request procedure.
Direction:
AMF → NG-RAN node.
| IE/Group Name | Presence | Range | IE type and reference | Semantics description | Criticality | Assigned Criticality |
|---|---|---|---|---|---|---|
| Message Type | M | 9.3.1.1 | YES | reject | ||
| AMF UE NGAP ID | M | 9.3.3.1 | YES | ignore | ||
| RAN UE NGAP ID | M | 9.3.3.2 | YES | ignore | ||
| PDU Session Resource Released List | 1 | YES | ignore | |||
| >PDU Session Resource Released Item | 1..<maxnoof | - | ||||
| >>PDU Session ID | M | 9.3.1.50 | - | |||
| >>Path Switch Request Unsuccessful Transfer | M | OCTET STRING | Containing the PDU session Path Switch Request Unsuccessful Transfer IE specified in subclause 9.3.4.20. | - | ||
| Criticality Diagnostics | O | 9.3.1.3 | YES | ignore |
| Range bound | Explanation |
|---|---|
| maxnoof | Maximum no. of PDU sessions allowed towards one UE. Value is 256. |
9.2.3.11 HANDOVER CANCEL p. 170
This message is sent by the source NG-RAN node to the AMF to request the cancellation of an ongoing handover.
Direction:
NG-RAN node → AMF.
| IE/Group Name | Presence | Range | IE type and reference | Semantics description | Criticality | Assigned Criticality |
|---|---|---|---|---|---|---|
| Message Type | M | 9.3.1.1 | YES | reject | ||
| AMF UE NGAP ID | M | 9.3.3.1 | YES | reject | ||
| RAN UE NGAP ID | M | 9.3.3.2 | YES | reject | ||
| Cause | M | 9.3.1.2 | YES | ignore |
9.2.3.12 HANDOVER CANCEL ACKNOWLEDGE p. 170
This message is sent by the AMF to the source NG-RAN node to confirm that the ongoing handover was cancelled.
Direction:
AMF → NG-RAN node.
| IE/Group Name | Presence | Range | IE type and reference | Semantics description | Criticality | Assigned Criticality |
|---|---|---|---|---|---|---|
| Message Type | M | 9.3.1.1 | YES | reject | ||
| AMF UE NGAP ID | M | 9.3.3.1 | YES | ignore | ||
| RAN UE NGAP ID | M | 9.3.3.2 | YES | ignore | ||
| Criticality Diagnostics | O | 9.3.1.3 | YES | ignore |
9.2.3.13 UPLINK RAN STATUS TRANSFER p. 171
This message is sent by the source NG-RAN node to transfer the uplink PDCP-SN and HFN receiver status and the downlink PDCP SN and HFN transmitter status during intra 5GC NG-based handover.
Direction:
NG-RAN node → AMF.
| IE/Group Name | Presence | Range | IE type and reference | Semantics description | Criticality | Assigned Criticality |
|---|---|---|---|---|---|---|
| Message Type | M | 9.3.1.1 | YES | ignore | ||
| AMF UE NGAP ID | M | 9.3.3.1 | YES | reject | ||
| RAN UE NGAP ID | M | 9.3.3.2 | YES | reject | ||
| RAN Status Transfer Transparent Container | M | 9.3.1.108 | YES | reject |
9.2.3.14 DOWNLINK RAN STATUS TRANSFER p. 171
This message is sent by the AMF to the target NG-RAN node to transfer the uplink PDCP-SN and HFN receiver status and the downlink PDCP SN and HFN transmitter status during intra 5GC NG-based handover.
Direction:
AMF → NG-RAN node
| IE/Group Name | Presence | Range | IE type and reference | Semantics description | Criticality | Assigned Criticality |
|---|---|---|---|---|---|---|
| Message Type | M | 9.3.1.1 | YES | ignore | ||
| AMF UE NGAP ID | M | 9.3.3.1 | YES | reject | ||
| RAN UE NGAP ID | M | 9.3.3.2 | YES | reject | ||
| RAN Status Transfer Transparent Container | M | 9.3.1.108 | YES | reject |
9.2.3.15 HANDOVER SUCCESS |R16| p. 171
This message is sent by the AMF to the source NG-RAN node to indicate the successful access of the UE toward the target NG-RAN node.
Direction:
AMF → NG-RAN node.
| IE/Group Name | Presence | Range | IE type and reference | Semantics description | Criticality | Assigned Criticality |
|---|---|---|---|---|---|---|
| Message Type | M | 9.3.1.1 | YES | ignore | ||
| AMF UE NGAP ID | M | 9.3.3.1 | YES | reject | ||
| RAN UE NGAP ID | M | 9.3.3.2 | YES | reject |
9.2.3.16 UPLINK RAN EARLY STATUS TRANSFER |R16| p. 171
This message is sent by the source NG-RAN node to transfer the COUNT value(s) of the first forwarded downlink SDU(s) during NG DAPS Handover, and during NG-based handover with time-based trigger condition.
Direction:
NG-RAN node → AMF.
| IE/Group Name | Presence | Range | IE type and reference | Semantics description | Criticality | Assigned Criticality |
|---|---|---|---|---|---|---|
| Message Type | M | 9.3.1.1 | YES | reject | ||
| AMF UE NGAP ID | M | 9.3.3.1 | YES | reject | ||
| RAN UE NGAP ID | M | 9.3.3.2 | YES | reject | ||
| Early Status Transfer Transparent Container | M | 9.3.1.190 | YES | reject |
9.2.3.17 DOWNLINK RAN EARLY STATUS TRANSFER |R16| p. 172
This message is sent by the AMF to transfer the COUNT value(s) of the first forwarded downlink SDU(s) during NG DAPS Handover, and during NG-based handover with time-based trigger condition.
Direction:
AMF → NG-RAN node
| IE/Group Name | Presence | Range | IE type and reference | Semantics description | Criticality | Assigned Criticality |
|---|---|---|---|---|---|---|
| Message Type | M | 9.3.1.1 | YES | ignore | ||
| AMF UE NGAP ID | M | 9.3.3.1 | YES | reject | ||
| RAN UE NGAP ID | M | 9.3.3.2 | YES | reject | ||
| Early Status Transfer Transparent Container | M | 9.3.1.190 | YES | reject |
