Content for TR 23.700-45 Word version: 19.0.0
5 Key Issues p. 8
5.1 Key Issue #1: Support of UE move between CAG cell of 5G Femto and CSG cell p. 8
5.2 Key Issue #2: Enabling provisioning of subscribers allowed to access CAG cell and managing access control by the CAG owner or an authorized administrator p. 9
5.2.1 Description p. 9
6 Solutions p. 9
6.0 Mapping of Solutions to Key Issues p. 9
6.1 Solution #1: Provisioning of CAG info to the network that 5G Femto serves p. 9
6.1.1 Description p. 9
6.1.2 Procedures p. 10
6.1.2.1 Registration procedure p. 10
6.1.2.2 Parameter provisioning p. 11
6.1.2.3 Parameter update to UE p. 11
6.1.3 Impacts on services, entities and interfaces p. 12
6.2 Solution #2: CAG provisioning and access control via V-UDR in the visited network p. 12
6.2.1 Description p. 12
6.2.2 Procedures p. 13
6.2.3 Impacts on services, entities and interfaces p. 14
6.3 Solution #3: Enable provisioning of CAG information from AF via NEF in roaming scenario p. 14
6.3.1 Description p. 14
6.3.2 Procedures p. 15
6.3.2.1 Procedure for provisioning CAG information to the CMF p. 15
6.3.2.2 Procedure for visitor UE registration p. 16
6.3.2.3 Procedure for CMF Registration p. 17
6.3.2.4 Procedure for CMF discovery p. 17
6.3.3 Impacts on services, entities and interfaces p. 18
6.4 Solution #4: provisioning of subscribers allowed to access CAG cell using CAG subscription update from AF p. 18
6.4.1 Description p. 18
6.4.2 Procedures p. 19
6.4.2.1 General p. 19
6.4.2.2 AF request redirection p. 20
6.4.3 Impacts on services, entities and interfaces p. 20
6.5 Solution #5: Handover from/to CSG cell to/from CAG cell using mapped CAG/CSG ID p. 21
6.5.1 Description p. 21
6.5.2 Procedures p. 21
6.5.3 Impacts on services, entities and interfaces p. 23
6.6 Solution #6: Management-based CAG cell and CSG cell mapping to support interworking p. 24
6.6.1 Introduction p. 24
6.6.2 Functional Description p. 24
6.6.3 Procedures p. 25
6.6.4 Impacts on services, entities, and interfaces p. 26
6.7 Solution #7: Reusing the existing mechanism for UE configuration and idle mobility p. 26
6.7.1 Description p. 26
6.7.2 Procedures p. 27
6.7.3 Impacts on services, entities and interfaces p. 27
6.8 Solution #8: The connected mode mobility between 4G CSG cell and 5G CAG cell p. 27
6.8.1 Description p. 27
6.8.2 Procedures p. 28
6.8.3.1 HO from 5GS to EPS p. 28
6.8.3.2 HO from EPS to 5GS p. 28
6.8.3 Impacts on services, entities and interfaces p. 29
6.9 Solution #9: Solution for mobility between CAG and CSG cells p. 29
6.9.1 Description p. 29
6.9.2 Procedures p. 30
6.9.3 Impacts on services, entities and interfaces p. 30
6.10 Solution #10: Support of UE move during idle mode mobility p. 31
6.10.1 Description p. 31
6.10.2 Procedures p. 32
6.10.3 Impacts on services, entities and interfaces p. 32
6.11 Solution #11: Handover from/to CSG cell to/from CAG cell based on configuration available at RAN node p. 33
7 Overall Evaluation p. 34
8 Conclusions p. 35
8.1 Key Issue #2: Enabling provisioning of subscribers allowed to access CAG cell and managing access control by the CAG owner or an authorized administrator p. 35
8.2 Key Issue #1: Support of UE move between CAG cell of 5G Femto and CSG cell p. 36
$ Change history p. 37
