Content for TR 23.700-58 Word version: 18.1.0
5 Key Issues p. 9
5.1 Key Issue #1 - Transport C2 communication over PC5 interface p. 9
5.2 Key Issue #2 - Support of Broadcast Remote ID p. 9
5.3 Key Issue #3 - Support of Detect and Avoid Mechanism in 3GPP system p. 10
6 Solutions p. 10
6.0 Mapping Solutions to Key Issues p. 10
6.1 Solution #1: C2 Communication via PC5 p. 10
6.1.1 Key Issue mapping p. 10
6.1.2 Description p. 11
6.1.2.1 General assumptions p. 11
6.1.2.2 Mapping of ProSe Architectural reference model to UAS architecture p. 11
6.1.3 Procedures p. 11
6.1.3.1 Authorization for Direct Discovery and Direct Communication p. 11
6.1.3.1.1 Authorization of Direct Discovery p. 11
6.1.3.1.2 Authorization of Direct Communication p. 12
6.1.3.2 C2 communication using PC5 Unicast link in 5G p. 12
6.1.4 Impacts on Services, Entities, and Interfaces p. 15
6.2 Solution #2: Network-assisted DAA p. 15
6.2.1 Key Issue mapping p. 15
6.2.2 Description p. 15
6.2.3 Procedures p. 16
6.2.4 Impacts on Services, Entities, and Interfaces p. 17
6.3 Solution #3: MBS-based UAV remote ID broadcast p. 17
6.3.1 Key Issue mapping p. 17
6.3.2 Description p. 18
6.3.3 Procedures p. 19
6.3.4 Impacts on Services, Entities, and Interfaces p. 19
6.4 Solution #4: Direct C2 communication over PC5 p. 19
6.4.1 Key Issue mapping p. 19
6.4.2 Description p. 19
6.4.3 Procedures p. 20
6.4.4 Impacts on Services, Entities, and Interfaces p. 21
6.5 Solution #5: U2X for support of Broadcast Remote ID and direct DAA via PC5 p. 21
6.5.1 Introduction p. 21
6.5.2 Functional Description p. 21
6.5.3 Functional Architecture p. 22
6.5.3.1 Non-roaming 5G System architecture for U2X communication over PC5 p. 22
6.5.3.2 Roaming 5G System architecture for U2X communication over PC5 p. 23
6.5.3.3 Inter-PLMN 5G System architecture for U2X communication over PC5 reference point p. 25
6.5.3.4 AF-based service parameter provisioning for U2X communications p. 25
6.5.4 U2X Scenarios p. 25
6.5.5 Procedures p. 25
6.5.6 Impacts on services, entities and interfaces p. 27
6.6 Solution #6: Handling C2 connection over PC5 p. 28
6.6.1 Key Issue mapping p. 28
6.6.2 Description p. 28
6.6.3 Procedures p. 29
6.6.4 Impacts on Services, Entities, and Interfaces p. 30
6.7 Solution #7: Ground-based DAA for an Area p. 31
7 Overall Evaluation p. 34
7.1 Evaluation of solutions for Key Issue #1 p. 34
7.2 Evaluation of solutions for Key Issue #3 p. 35
8 Conclusions p. 36
8.1 Conclusion for Key Issue #1 p. 36
8.2 Conclusions for Key Issue #2 - Support of Broadcast Remote ID p. 36
8.3 Conclusions for Key Issue #3 - Support of Detect and Avoid Mechanism in 3GPP system p. 37
$ Change history p. 38
