6 Procedures of the E1 interface
37.4803GPPE1 general aspects and principlesRelease 17TS
6.1 Interface Management procedures
The E1 interface management procedures are listed below:
– Reset procedure
– Error Indication procedure
– gNB-CU-UP E1 Setup procedure
– gNB-CU-CP E1 Setup procedure
– gNB-CU-UP Configuration Update procedure
– gNB-CU-CP Configuration Update procedure
– E1 Release procedure
– gNB-CU-UP Status Indication procedure
6.2 Bearer Context Management procedures
The E1 bearer management procedures are listed below:
– Bearer Context Setup procedure
– Bearer Context Release Request (gNB-CU-UP initiated) procedure
– Bearer Context Release (gNB-CU-CP initiated) procedure
– Bearer Context Modification (gNB-CU-CP initiated) procedure
– Bearer Context Modification Required (gNB-CU-UP initiated) procedure
– DL Data Notification procedure
– Bearer Context Inactivity Notification procedure
– Data Usage Report procedure
– MR-DC Data Usage Report procedure
6.3 UE Tracing procedures
The following procedures are used to trace the UE:
– Trace Start procedure
– Deactivate Trace procedure
– Cell Traffic Trace procedure
6.4 Load management procedures
The load management procedures are listed as below:
– Resource Status Reporting Initiation procedure
– Resource Status Reporting procedure
6.5 Measurement results transfer procedures
The measurement results transfer procedures are listed as below:
– GNB-CU-CP Measurement Results Information
6.6 IAB procedures
Note: IAB is an NR feature, and this procedure is not applicable to eNB CP-UP separation and ng-eNB CP-UP separation.
The IAB procedures are listed as below:
– IAB UP TNL Address Update procedure
– IAB PSK Notification procedure
6.7 NR MBS procedures
The E1 MBS procedures are listed below:
– Broadcast E1AP MBS procedures
– BC Bearer Context Setup
– BC Bearer Context Modification (gNB-CU-CP inititated)
– BC Bearer Context Modification (gNB-CU-UP inititated)
– BC Bearer Context Release (gNB-CU-CP inititated)
– BC Bearer Context Release (gNB-CU-UP inititated)
– Multicast E1AP MBS procedures
– MC Bearer Context Setup
– MC Bearer Context Modification (gNB-CU-CP inititated)
– MC Bearer Context Modification (gNB-CU-UP inititated)
– MC Bearer Context Release (gNB-CU-CP inititated)
– MC Bearer Context Release (gNB-CU-UP inititated)