Study on generic group management, exposure and communication enhancements
The scope of this Technical Report is to study potential enhancements on generic group management, exposure and communication. Specifically, the following aspects are in the scope of the study:
- Enhance group attribute management and group status event reporting:
- set/modify the group attributes: provisioning of service area or QoS applicable to each UE of a given group;
- subscribe to group status event reporting for the event "newly registered or (de)-registered group member".
- Study whether and how to enhance NEF exposure framework to enable capability exposure for provisioning of traffic characteristics and monitoring of performance characteristics applicable to each UE of a given group.
- Support group communication for a 5G VN, which supports multiple SMFs, including support of SMF redundancy for reliability of the 5G VN group communication.
- Whether additional mechanism or enhancement is needed and how to support group communication allowing UE to simultaneously send data to different groups, where each group has a different QoS policy (requirement regarding 5SEI as indicated in clause 6.13.2 of TS 22.261 [6]).