Content for TS 37.473 Word version: 16.4.0
2 References
3 Definitions of terms, symbols and abbreviations
4 General
5 W1AP services
6 Services expected from signalling transport
7 Functions of W1AP
8 W1AP procedures
2 References
3 Definitions of terms, symbols and abbreviations Word‑p. 11
4 General
4.1 Procedure specification principles
4.2 Forwards and backwards compatibility Word‑p. 13
4.3 Specification notations
5 W1AP services
6 Services expected from signalling transport
7 Functions of W1AP
8 W1AP procedures Word‑p. 14
8.1 List of W1AP Elementary procedures
8.2 Interface Management procedures Word‑p. 15
8.2.1 Reset
8.2.1.1 General
8.2.1.2 Successful Operation
8.2.1.2.1 Reset Procedure Initiated from the ng-eNB-CU
8.2.1.2.2 Reset Procedure Initiated from the ng-eNB-DU Word‑p. 16
8.2.1.3 Abnormal Conditions
8.2.2 Error Indication Word‑p. 17
8.2.3 W1 Setup Word‑p. 18
8.2.3.1 General
8.2.3.2 Successful Operation
8.2.3.3 Unsuccessful Operation Word‑p. 19
8.2.3.4 Abnormal Conditions
8.2.4 ng-eNB-DU Configuration Update
8.2.4.1 General
8.2.4.2 Successful Operation
8.2.4.3 Unsuccessful Operation Word‑p. 20
8.2.4.4 Abnormal Conditions
8.2.5 ng-eNB-CU Configuration Update Word‑p. 21
8.2.5.1 General
8.2.5.2 Successful Operation
8.2.5.3 Unsuccessful Operation Word‑p. 22
8.2.5.4 Abnormal Conditions
8.2.6 ng-eNB-DU Resource Coordination
8.2.7 ng-eNB-DU Status Indication Word‑p. 23
8.3 UE Context Management procedures
8.3.1 UE Context Setup
8.3.1.1 General
8.3.1.2 Successful Operation Word‑p. 24
8.3.1.3 Unsuccessful Operation Word‑p. 25
8.3.1.4 Abnormal Conditions
8.3.2 UE Context Release Request (ng-eNB-DU initiated)
8.3.3 UE Context Release (ng-eNB-CU initiated)
8.3.4 UE Context Modification (ng-eNB-CU initiated) Word‑p. 27
8.3.4.1 General
8.3.4.2 Successful Operation
8.3.4.3 Unsuccessful Operation Word‑p. 28
8.3.4.4 Abnormal Conditions
8.3.5 UE Context Modification Required (ng-eNB-DU initiated) Word‑p. 29
8.3.5.1 General
8.3.5.2 Successful Operation
8.3.5.3 Unsuccessful Operation
8.3.5.4 Abnormal Conditions
8.3.6 UE Inactivity Notification
8.3.7 Notify
8.4 RRC Message Transfer procedures
8.4.1 Initial UL RRC Message Transfer
8.4.2 DL RRC Message Transfer
8.4.3 UL RRC Message Transfer
8.4.4 RRC Delivery Report
8.5 Warning Message Transmission Procedures
8.5.1 Write-Replace Warning
8.5.1.1 General
8.5.1.2 Successful Operation
8.5.1.3 Unsuccessful Operation Word‑p. 34
8.5.1.4 Abnormal Conditions
8.5.2 PWS Cancel
8.5.3 PWS Restart Indication
8.5.4 PWS Failure Indication
8.6 Paging procedures
