Content for TR 23.700-86 Word version: 18.0.0
6 Solutions p. 21
6.0 Mapping of solutions to key issues p. 21
6.1 Solution #1: Authorisation and policy/parameter provisioning to UE and NG-RAN p. 22
6.1.1 General p. 22
6.1.2 Functional descriptions p. 23
6.1.3 Procedures p. 24
6.1.4 Impacts on services, entities, and interfaces p. 24
6.2 Solution #2: V2XP/ProSeP enhancement for the support of Ranging/SL Positioning p. 24
6.2.1 General p. 24
6.2.2 Functional descriptions p. 24
6.2.3 Procedures p. 26
6.2.3.1 Support of Ranging/SL Positioning for V2X service p. 26
6.2.3.1.1 PCF based Service Authorization and Provisioning to UE p. 26
6.2.3.1.2 Procedure for UE triggered V2X Policy provisioning p. 27
6.2.3.1.3 Ranging/SL Positioning Policy enforcement at UE p. 27
6.2.3.2 Support of Ranging/SL Positioning for commercial and public safety service p. 27
6.2.4 Impacts on services, entities, and interfaces p. 28
6.3 Solution #3: Solution for direct ranging operation p. 29
6.3.1 General p. 29
6.3.2 Procedures p. 30
6.3.3 Impacts on services, entities, and interfaces p. 31
6.4 Solution #4: Ranging devices discovery and ranging procedure p. 31
6.4.1 Description p. 31
6.4.2 Procedures of Ranging/Sidelink Positioning for 5G ProSe p. 32
6.4.2.1 General p. 32
6.4.2.2 Procedures of Ranging/Sidelink Positioning between 2 UEs with Model A discovery p. 33
6.4.2.3 Procedures of Ranging/Sidelink Positioning between 2 UEs with Model B discovery p. 34
6.4.2.4 RSPP procedures to exchange the coordination & configuration information p. 34
6.4.2.4.1 RSPP procedures to exchange Ranging capability p. 34
6.4.2.4.2 RSPP procedures to exchange Ranging assistant data p. 35
6.4.2.5 RSPP procedures to exchange Ranging/Sidelink Positioning measurement results p. 35
6.4.3 Impacts on Existing Nodes and Functionality p. 35
6.5 Solution #5: Solution to support Ranging/Sidelink Positioning p. 36
6.5.1 General p. 36
6.5.2 Functional Descriptions p. 36
6.5.3 Ranging/ Sidelink Positioning Procedures p. 36
6.5.4 Impacts on services, entities, and interfaces p. 37
6.6 Solution #6: Network assisted Ranging and Sidelink Positioning p. 37
6.6.1 Description p. 37
6.6.2 Procedures of Located UE discovery p. 37
6.6.3 Network assisted Ranging and Sidelink Positioning p. 39
6.6.3.1 Located UE requested procedure on behalf of the Target UE p. 39
6.6.3.2 Target UE requested procedure p. 40
6.6.4 Impacts on Existing Nodes and Functionality p. 40
6.7 Solution #7: Network based UE Sidelink Positioning p. 41
6.7.1 Introduction p. 41
6.7.2 Functional Description p. 41
6.7.3 Procedures p. 42
6.7.4 Impacts on services, entities and interfaces p. 43
6.8 Solution #8: Discovery of a Located UE for Enhancing Uu based Positioning in Network Coverage p. 43
6.8.1 Introduction p. 43
6.8.2 Functional Description p. 44
6.8.3 Procedures p. 44
6.8.4 Impacts on services, entities, and interfaces p. 46
6.9 Solution #9: Solution for KI#6 on Ranging/SL positioning service exposure to UE p. 47
6.9.1 General p. 47
6.9.2 Functional descriptions p. 47
6.9.3 Procedures p. 48
6.9.3.1 UE involved in SL ranging consumes the Ranging/SL positioning service p. 48
6.9.3.2 SL Positioning Client UE consumes the Ranging/SL positioning service p. 49
6.9.4 Impacts on services, entities, and interfaces p. 51
6.10 Solution #10: Ranging service exposure to UE p. 52
6.10.1 Description p. 52
6.10.2 Procedures of Ranging service exposure p. 53
6.10.2.1 Procedures of Ranging service exposure p. 53
6.10.2.2 Deferred procedures of Ranging service exposure to the SL Positioning Client UE p. 54
6.10.3 Impacts on Existing Nodes and Functionality p. 55
6.11 Solution #11: UE using exposure API p. 55
6.11.1 General p. 55
6.11.2 Functional Description p. 55
6.11.3 Procedures p. 56
6.11.4 Impacts on services, entities and interfaces p. 57
6.12 Solution #12: LCS-based Ranging Service Exposure p. 57
6.12.1 General p. 57
6.12.2 Functional descriptions p. 57
6.12.3 Procedures p. 58
6.12.4 Impacts on services, entities, and interfaces p. 60
6.13 Solution #13: Ranging/SL positioning service initiated by application server or 5GC NF p. 60
6.13.1 General p. 60
6.13.2 Functional descriptions p. 60
6.13.3 Procedures p. 61
6.13.4 Impacts on services, entities, and interfaces p. 63
6.14 Solution #14: General reference architecture for Sidelink positioning and ranging-based services p. 63
6.14.1 General p. 63
6.14.2 Functional descriptions p. 66
6.14.3 Procedures p. 67
6.14.4 Protocol stack p. 68
6.15 Solution #15: Service Authorization to NG-RAN for Ranging/Sidelink Positioning p. 69
6.15.1 General p. 69
6.15.2 Functional descriptions p. 69
6.15.3 Procedures p. 70
6.15.4 Impacts on services, entities, and interfaces p. 70
6.16 Solution #16: Solution for ranging operation with assistant UE(s) p. 71
6.16.1 General p. 71
6.16.2 Functional descriptions p. 71
6.16.3 Procedures p. 71
6.16.4 Impacts on services, entities, and interfaces p. 72
6.17 Solution #17: Ranging/Sidelink positioning with the assistance of assistant UE p. 72
6.17.1 General p. 72
6.17.2 Functional descriptions p. 73
6.17.3 Procedures p. 74
6.17.4 Impacts on services, entities, and interfaces p. 75
6.18 Solution #18: Network triggered ranging device discovery p. 76
6.18.1 Description p. 76
6.18.2 Control plane-based Network triggered ranging device discovery p. 76
6.18.2.1 General p. 76
6.18.2.2 One-shot Control plane-based Network triggered ranging device discovery p. 77
6.18.2.3 Deferred Control plane-based Network triggered ranging device discovery p. 78
6.18.3 Application layer-based Network triggered ranging device discovery p. 79
6.18.3.1 General p. 79
6.18.3.2 One shot Application layer-based Network triggered ranging device discovery p. 79
6.18.3.3 Deferred Application layer-based Network triggered ranging device discovery procedure p. 80
6.18.4 Impacts on Existing Nodes and Functionality p. 80
6.19 Solution #19: Support of Sidelink Positioning and Ranging signalling over different PC5 RATs p. 81
6.19.1 General p. 81
6.19.2 Functional descriptions p. 81
6.19.2.1 Upper Protocol Layers p. 81
6.19.2.2 Support of V2X UE operations p. 84
6.19.2.3 Support of 5G ProSe UE operations p. 85
6.19.3 Procedures p. 85
6.19.3.1 Procedure for Sidelink Positioning/Ranging for UE-only operation p. 85
6.19.3.2 MO-LR Procedure for Sidelink Positioning/Ranging with LMF Assistance p. 87
6.19.3.3 MT-LR Procedure for Sidelink Positioning/Ranging with LMF Assistance p. 89
6.19.3.4 Periodic or Triggered MT-LR Procedure for Sidelink Positioning/Ranging with LMF Assistance p. 90
6.19.4 Impacts on services, entities, and interfaces p. 92
6.20 Solution #20: Network assisted Sidelink positioning with scheduled location time and local co-ordinates p. 93
6.20.1 General p. 93
6.20.2 Functional descriptions p. 93
6.20.3 Procedures p. 93
6.20.3.0 Located UE discovery for a specific coordination system p. 93
6.20.3.1 MT-LR procedure for Network assisted Sidelink positioning in Network Coverage case p. 94
6.20.3.2 MO-LR procedure for Network assisted Sidelink positioning in Network Coverage case p. 95
6.20.3.3 MO-LR procedure for Network assisted Sidelink positioning in Partial Coverage case p. 96
6.20.3.4 MT-LR procedure for Network assisted Sidelink positioning with Target UE out of coverage p. 97
6.20.4 Impacts on services, entities, and interfaces p. 97
6.21 Solution #21: Network assisted sidelink positioning for partial coverage p. 98
6.21.1 General p. 98
6.21.2 Functional descriptions p. 98
6.21.3 Procedures p. 99
6.21.4 Impacts on services, entities, and interfaces p. 100
6.22 Solution #22: Combine Uu positioning capability and/or Ranging/SL positioning capability for the Ranging/SL positioning service p. 100
6.22.1 General p. 100
6.22.2 Functional descriptions p. 101
6.22.3 Procedures p. 101
6.22.4 Impacts on services, entities, and interfaces p. 102
6.23 Solution #23: Ranging service exposure to server p. 102
6.23.1 Description p. 102
6.23.2 Procedures of NW assistant Ranging service exposure to server p. 103
6.23.3 Impacts on Existing Nodes and Functionality p. 104
6.24 Solution #24: Service initiated by Application server over user plane p. 104
6.24.1 General p. 104
6.24.2 Functional descriptions p. 105
6.24.3 Procedures p. 105
6.24.4 Impacts on services, entities, and interfaces p. 105
6.25 Solution #25: Ranging/SL positioning service initiated by SL Positioning Client UE p. 106
6.25.1 General p. 106
6.25.2 Functional descriptions p. 106
6.25.3 Procedures p. 107
6.25.3.1 PC5 based procedure for Ranging/SL positioning initiated by the SL Positioning Client UE p. 107
6.25.3.2 Network based procedure for Ranging/SL positioning initiated by SL Positioning Client UE (without involving LMF) p. 109
6.25.3.3 Ranging/SL positioning Application Layer ID registration p. 111
6.25.4 Impacts on services, entities, and interfaces p. 111
6.26 Solution #26: Functional Split and Positioning Protocol for SL Positioning p. 112
6.26.1 General p. 112
6.26.2 Functional Split p. 113
6.26.3 Positioning Protocol p. 113
6.26.4 Impacts on services, entities, and interfaces p. 114
6.27 Solution #27: LMF selection for Ranging/Sidelink positioning p. 115
6.27.1 General p. 115
6.27.2 Functional descriptions p. 115
6.27.3 Impacts on services, entities, and interfaces p. 116
6.28 Solution #28: Using LMF for Ranging/Sidelink positioning p. 116
6.28.1 General p. 116
6.28.2 Functional descriptions p. 116
6.28.3 Procedures p. 117
6.28.3.1 Procedure of LMF triggered Ranging/sidelink positioning p. 117
6.28.3.2 Procedure of LMF initiated Ranging/sidelink positioning capability negotiation between UE and LMF p. 119
6.28.4 Impacts on services, entities, and interfaces p. 119
6.29 Solution #29: Service continuity of periodic ranging with assistant UE p. 120
6.29.1 General p. 120
6.29.2 Functional descriptions p. 120
6.29.3 Procedures p. 121
6.29.4 Impacts on services, entities, and interfaces p. 122
6.30 Solution #30: Ranging service operation with the assistant UE(s) p. 122
6.30.1 Introduction p. 122
6.30.2 Functional Description p. 122
6.30.3 Procedures p. 123
6.30.4 Impacts on services, entities, and interfaces p. 124
6.31 Solution #31: Enabling SL positioning for the UE out of coverage p. 124
6.31.1 General p. 124
6.31.2 Functional Description p. 124
6.31.2.1 Deferred MT-LR which triggers location report when UE enters out of coverage p. 124
6.31.2.2 Location Request for SL positioning for the UE is out of coverage. p. 124
6.31.3 Procedures p. 126
6.31.3.1 Procedure of deferred MT-LR triggering location report when UE enters out of coverage p. 126
6.31.3.2 Procedure of immediate location request procedure with SL positioning p. 128
6.31.3.3 Procedure of deferred location request procedure with SL positioning p. 129
6.31.4 Impacts on services, entities, and interfaces p. 130
6.32 Solution #32: Involving Multiple Reference UEs for Sidelink positioning p. 130
6.32.1 Description p. 130
6.32.2 Procedures p. 133
6.32.3 Impacts on services, entities and interfaces p. 140
6.33 Solution #33: Common Ranging/Sidelink positioning service exposure p. 140
6.33.1 General p. 140
6.33.2 Functional descriptions p. 141
6.33.3 Procedures p. 142
6.33.4 Impacts on services, entities, and interfaces p. 144
6.34 Solution #34: MT-LR and MO-LR signalling for UE-only Operation of SL Positioning and Ranging p. 144
6.34.1 General p. 144
6.34.2 Functional descriptions p. 145
6.34.3 Procedures p. 147
6.34.3.1 Case I: Target UE holds Vetting functionality p. 147
6.34.3.1.1 PC5-MT-LR procedure p. 147
6.34.3.1.2 PC5-MO-LR procedure p. 148
6.34.3.2 Case II: SL Positioning Server UE holds Vetting functionality p. 150
6.34.3.2.1 PC5-MT-LR procedure p. 150
6.34.3.2.2 PC5-MO-LR procedure p. 152
6.34.4 Impacts on services, entities, and interfaces p. 153
