6 Procedures of the W1 interface

37.4703GPPRelease 16TSW1 general aspects and principles

6.1 Control plane procedures

6.1.1 Interface Management procedures

The W1 Interface management procedures are listed below:

– Reset procedure

– Error Indication procedure

– W1 Setup procedure

– ng-eNB-DU Configuration Update procedure

– ng-eNB-CU Configuration Update procedure

– ng-eNB-DU Resource Coordination procedure

– ng-eNB-DU Status Indication procedure

6.1.2 Context Management procedures

The W1 Context management procedures are listed below:

– UE Context Setup procedure

– UE context Release Request (ng-eNB-DU initiated) procedure

– UE context Release (ng-eNB-CU initiated) procedure

– UE Context Modification (ng-eNB-CU initiated) procedure

– UE Context Modification Required (ng-eNB-DU initiated) procedure

– UE Inactivity Notification procedure

– Notify procedure

6.1.3 RRC Message Transfer procedures

The W1 RRC message transfer procedures are listed below:

– Initial UL RRC Message Transfer procedure

– UL RRC Message Transfer procedure

– DL RRC Message Transfer procedure

– RRC Delivery Report procedure

6.1.3A Void

6.1.4 Warning Message Transmission procedures

The W1 Warning message transmission procedures are listed below:

– Write-Replace Warning procedure

– PWS Cancel procedure

– PWS Restart Indication procedure

– PWS Failure Indication procedure

6.1.5 Paging procedures

The W1 Paging procedures are listed below:

– Paging

6.2 User plane procedures

6.2.1 User Data Transfer

Void

6.2.2 Flow Control

Void