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TR 23.700-86
Study on Architecture enhancement to support
Ranging based services and Sidelink Positioning

3GPP‑Page   fToC↓   Partial Content →
V18.0.0 (Wzip)  2023/03  173 p.
Rapporteur:
Ms. Shen, Yang
Beijing Xiaomi Mobile Software

full Table of Contents for  TR 23.700-86  Word version:  18.0.0

each clause number in 'red' refers to the equivalent title in the Partial Content
Here   Top
1Scope  p. 10
2References  p. 10
3Definitions of terms and abbreviations  p. 11
3.1Terms  p. 11
3.2Abbreviations  p. 12
4Architecture assumptions and requirements  p. 12
4.1Architecture assumptions  p. 12
4.2Architecture requirements  p. 13
4.3General reference architecture  p. 13
4.3.1General  p. 13
4.3.2Functional descriptions  p. 16
5Key Issues  p. 17
5.1Key Issue #1: Support of authorisation and policy/parameter provisioning to UE  p. 17
5.1.1General description  p. 17
5.2Key Issue #2: Ranging service operation procedure with the assistance of another UE  p. 18
5.2.1General description  p. 18
5.3Key Issue #3: Ranging/Sidelink Positioning device discovery  p. 18
5.3.1General description  p. 18
5.4Key issue #4: Control of Operations for Ranging/Sidelink positioning  p. 19
5.4.1General description  p. 19
5.5Key Issue #5: Network assisted Sidelink Positioning for In Network Coverage and Partial Network Coverage  p. 20
5.5.1General description  p. 20
5.6Key Issue #6: Ranging and sidelink positioning service exposure to a UE  p. 20
5.6.1General description  p. 20
5.7Key Issue #7: Ranging/Sidelink Positioning service exposure to Application server and for network assisted sidelink positioning  p. 21
5.7.1General description  p. 21
5.8Key Issue #8: Service Authorization to NG-RAN  p. 21
5.8.1General description  p. 21
6Solutions  p. 21
6.0Mapping of solutions to key issues  p. 21
6.1Solution #1: Authorisation and policy/parameter provisioning to UE and NG-RAN  p. 22
6.1.1General  p. 22
6.1.2Functional descriptions  p. 23
6.1.3Procedures  p. 24
6.1.4Impacts on services, entities, and interfaces  p. 24
6.2Solution #2: V2XP/ProSeP enhancement for the support of Ranging/SL Positioning  p. 24
6.2.1General  p. 24
6.2.2Functional descriptions  p. 24
6.2.3Procedures  p. 26
6.2.3.1Support of Ranging/SL Positioning for V2X service  p. 26
6.2.3.1.1PCF based Service Authorization and Provisioning to UE  p. 26
6.2.3.1.2Procedure for UE triggered V2X Policy provisioning  p. 27
6.2.3.1.3Ranging/SL Positioning Policy enforcement at UE  p. 27
6.2.3.2Support of Ranging/SL Positioning for commercial and public safety service  p. 27
6.2.3.2.1PCF based Service Authorization and Provisioning to UE  p. 27
6.2.3.2.2Procedure for UE triggered ProSe Policy provisioning  p. 28
6.2.3.2.3Ranging/SL Positioning Policy enforcement at UE  p. 28
6.2.4Impacts on services, entities, and interfaces  p. 28
6.3Solution #3: Solution for direct ranging operation  p. 29
6.3.1General  p. 29
6.3.2Procedures  p. 30
6.3.3Impacts on services, entities, and interfaces  p. 31
6.4Solution #4: Ranging devices discovery and ranging procedure  p. 31
6.4.1Description  p. 31
6.4.2Procedures of Ranging/Sidelink Positioning for 5G ProSe  p. 32
6.4.2.1General  p. 32
6.4.2.2Procedures of Ranging/Sidelink Positioning between 2 UEs with Model A discovery  p. 33
6.4.2.3Procedures of Ranging/Sidelink Positioning between 2 UEs with Model B discovery  p. 34
6.4.2.4RSPP procedures to exchange the coordination & configuration information  p. 34
6.4.2.4.1RSPP procedures to exchange Ranging capability  p. 34
6.4.2.4.2RSPP procedures to exchange Ranging assistant data  p. 35
6.4.2.5RSPP procedures to exchange Ranging/Sidelink Positioning measurement results  p. 35
6.4.3Impacts on Existing Nodes and Functionality  p. 35
6.5Solution #5: Solution to support Ranging/Sidelink Positioning  p. 36
6.5.1General  p. 36
6.5.2Functional Descriptions  p. 36
6.5.3Ranging/ Sidelink Positioning Procedures  p. 36
6.5.4Impacts on services, entities, and interfaces  p. 37
6.6Solution #6: Network assisted Ranging and Sidelink Positioning  p. 37
6.6.1Description  p. 37
6.6.2Procedures of Located UE discovery  p. 37
6.6.3Network assisted Ranging and Sidelink Positioning  p. 39
6.6.3.1Located UE requested procedure on behalf of the Target UE  p. 39
6.6.3.2Target UE requested procedure  p. 40
6.6.4Impacts on Existing Nodes and Functionality  p. 40
6.7Solution #7: Network based UE Sidelink Positioning  p. 41
6.7.1Introduction  p. 41
6.7.2Functional Description  p. 41
6.7.3Procedures  p. 42
6.7.3.1Network based UE Sidelink Positioning estimation (MT-LR).  p. 42
6.7.4Impacts on services, entities and interfaces  p. 43
6.8Solution #8: Discovery of a Located UE for Enhancing Uu based Positioning in Network Coverage  p. 43
6.8.1Introduction  p. 43
6.8.2Functional Description  p. 44
6.8.3Procedures  p. 44
6.8.4Impacts on services, entities, and interfaces  p. 46
6.9Solution #9: Solution for KI#6 on Ranging/SL positioning service exposure to UE  p. 47
6.9.1General  p. 47
6.9.2Functional descriptions  p. 47
6.9.3Procedures  p. 48
6.9.3.1UE involved in SL ranging consumes the Ranging/SL positioning service  p. 48
6.9.3.2SL Positioning Client UE consumes the Ranging/SL positioning service  p. 49
6.9.3.2.1General  p. 49
6.9.3.2.2Service exposure to the SL Positioning Client UE via PC5  p. 49
6.9.3.2.3Service exposure to the SL Positioning Client UE via 5GC/Uu (network based)  p. 50
6.9.4Impacts on services, entities, and interfaces  p. 51
6.10Solution #10: Ranging service exposure to UE  p. 52
6.10.1Description  p. 52
6.10.2Procedures of Ranging service exposure  p. 53
6.10.2.1Procedures of Ranging service exposure  p. 53
6.10.2.2Deferred procedures of Ranging service exposure to the SL Positioning Client UE  p. 54
6.10.3Impacts on Existing Nodes and Functionality  p. 55
6.11Solution #11: UE using exposure API  p. 55
6.11.1General  p. 55
6.11.2Functional Description  p. 55
6.11.3Procedures  p. 56
6.11.3.1UE access to Ranging and sidelink positioning service exposure.  p. 56
6.11.4Impacts on services, entities and interfaces  p. 57
6.12Solution #12: LCS-based Ranging Service Exposure  p. 57
6.12.1General  p. 57
6.12.2Functional descriptions  p. 57
6.12.3Procedures  p. 58
6.12.4Impacts on services, entities, and interfaces  p. 60
6.13Solution #13: Ranging/SL positioning service initiated by application server or 5GC NF  p. 60
6.13.1General  p. 60
6.13.2Functional descriptions  p. 60
6.13.3Procedures  p. 61
6.13.3.1Service initiated by application server  p. 61
6.13.3.2Service initiated by 5GC NF  p. 62
6.13.4Impacts on services, entities, and interfaces  p. 63
6.14Solution #14: General reference architecture for Sidelink positioning and ranging-based services  p. 63
6.14.1General  p. 63
6.14.2Functional descriptions  p. 66
6.14.3Procedures  p. 67
6.14.4Protocol stack  p. 68
6.15Solution #15: Service Authorization to NG-RAN for Ranging/Sidelink Positioning  p. 69
6.15.1General  p. 69
6.15.2Functional descriptions  p. 69
6.15.3Procedures  p. 70
6.15.4Impacts on services, entities, and interfaces  p. 70
6.16Solution #16: Solution for ranging operation with assistant UE(s)  p. 71
6.16.1General  p. 71
6.16.2Functional descriptions  p. 71
6.16.3Procedures  p. 71
6.16.4Impacts on services, entities, and interfaces  p. 72
6.17Solution #17: Ranging/Sidelink positioning with the assistance of assistant UE  p. 72
6.17.1General  p. 72
6.17.2Functional descriptions  p. 73
6.17.3Procedures  p. 74
6.17.4Impacts on services, entities, and interfaces  p. 75
6.18Solution #18: Network triggered ranging device discovery  p. 76
6.18.1Description  p. 76
6.18.2Control plane-based Network triggered ranging device discovery  p. 76
6.18.2.1General  p. 76
6.18.2.2One-shot Control plane-based Network triggered ranging device discovery  p. 77
6.18.2.3Deferred Control plane-based Network triggered ranging device discovery  p. 78
6.18.3Application layer-based Network triggered ranging device discovery  p. 79
6.18.3.1General  p. 79
6.18.3.2One shot Application layer-based Network triggered ranging device discovery  p. 79
6.18.3.3Deferred Application layer-based Network triggered ranging device discovery procedure  p. 80
6.18.4Impacts on Existing Nodes and Functionality  p. 80
6.19Solution #19: Support of Sidelink Positioning and Ranging signalling over different PC5 RATs  p. 81
6.19.1General  p. 81
6.19.2Functional descriptions  p. 81
6.19.2.1Upper Protocol Layers  p. 81
6.19.2.2Support of V2X UE operations  p. 84
6.19.2.3Support of 5G ProSe UE operations  p. 85
6.19.3Procedures  p. 85
6.19.3.1Procedure for Sidelink Positioning/Ranging for UE-only operation  p. 85
6.19.3.2MO-LR Procedure for Sidelink Positioning/Ranging with LMF Assistance  p. 87
6.19.3.3MT-LR Procedure for Sidelink Positioning/Ranging with LMF Assistance  p. 89
6.19.3.4Periodic or Triggered MT-LR Procedure for Sidelink Positioning/Ranging with LMF Assistance  p. 90
6.19.4Impacts on services, entities, and interfaces  p. 92
6.20Solution #20: Network assisted Sidelink positioning with scheduled location time and local co-ordinates  p. 93
6.20.1General  p. 93
6.20.2Functional descriptions  p. 93
6.20.3Procedures  p. 93
6.20.3.0Located UE discovery for a specific coordination system  p. 93
6.20.3.1MT-LR procedure for Network assisted Sidelink positioning in Network Coverage case  p. 94
6.20.3.2MO-LR procedure for Network assisted Sidelink positioning in Network Coverage case  p. 95
6.20.3.3MO-LR procedure for Network assisted Sidelink positioning in Partial Coverage case  p. 96
6.20.3.4MT-LR procedure for Network assisted Sidelink positioning with Target UE out of coverage  p. 97
6.20.4Impacts on services, entities, and interfaces  p. 97
6.21Solution #21: Network assisted sidelink positioning for partial coverage  p. 98
6.21.1General  p. 98
6.21.2Functional descriptions  p. 98
6.21.3Procedures  p. 99
6.21.4Impacts on services, entities, and interfaces  p. 100
6.22Solution #22: Combine Uu positioning capability and/or Ranging/SL positioning capability for the Ranging/SL positioning service  p. 100
6.22.1General  p. 100
6.22.2Functional descriptions  p. 101
6.22.3Procedures  p. 101
6.22.4Impacts on services, entities, and interfaces  p. 102
6.23Solution #23: Ranging service exposure to server  p. 102
6.23.1Description  p. 102
6.23.2Procedures of NW assistant Ranging service exposure to server  p. 103
6.23.3Impacts on Existing Nodes and Functionality  p. 104
6.24Solution #24: Service initiated by Application server over user plane  p. 104
6.24.1General  p. 104
6.24.2Functional descriptions  p. 105
6.24.3Procedures  p. 105
6.24.4Impacts on services, entities, and interfaces  p. 105
6.25Solution #25: Ranging/SL positioning service initiated by SL Positioning Client UE  p. 106
6.25.1General  p. 106
6.25.2Functional descriptions  p. 106
6.25.3Procedures  p. 107
6.25.3.1PC5 based procedure for Ranging/SL positioning initiated by the SL Positioning Client UE  p. 107
6.25.3.2Network based procedure for Ranging/SL positioning initiated by SL Positioning Client UE (without involving LMF)  p. 109
6.25.3.3Ranging/SL positioning Application Layer ID registration  p. 111
6.25.4Impacts on services, entities, and interfaces  p. 111
6.26Solution #26: Functional Split and Positioning Protocol for SL Positioning  p. 112
6.26.1General  p. 112
6.26.2Functional Split  p. 113
6.26.3Positioning Protocol  p. 113
6.26.4Impacts on services, entities, and interfaces  p. 114
6.27Solution #27: LMF selection for Ranging/Sidelink positioning  p. 115
6.27.1General  p. 115
6.27.2Functional descriptions  p. 115
6.27.3Impacts on services, entities, and interfaces  p. 116
6.28Solution #28: Using LMF for Ranging/Sidelink positioning  p. 116
6.28.1General  p. 116
6.28.2Functional descriptions  p. 116
6.28.3Procedures  p. 117
6.28.3.1Procedure of LMF triggered Ranging/sidelink positioning  p. 117
6.28.3.2Procedure of LMF initiated Ranging/sidelink positioning capability negotiation between UE and LMF  p. 119
6.28.4Impacts on services, entities, and interfaces  p. 119
6.29Solution #29: Service continuity of periodic ranging with assistant UE  p. 120
6.29.1General  p. 120
6.29.2Functional descriptions  p. 120
6.29.3Procedures  p. 121
6.29.4Impacts on services, entities, and interfaces  p. 122
6.30Solution #30: Ranging service operation with the assistant UE(s)  p. 122
6.30.1Introduction  p. 122
6.30.2Functional Description  p. 122
6.30.3Procedures  p. 123
6.30.4Impacts on services, entities, and interfaces  p. 124
6.31Solution #31: Enabling SL positioning for the UE out of coverage  p. 124
6.31.1General  p. 124
6.31.2Functional Description  p. 124
6.31.2.1Deferred MT-LR which triggers location report when UE enters out of coverage  p. 124
6.31.2.2Location Request for SL positioning for the UE is out of coverage.  p. 124
6.31.3Procedures  p. 126
6.31.3.1Procedure of deferred MT-LR triggering location report when UE enters out of coverage  p. 126
6.31.3.2Procedure of immediate location request procedure with SL positioning  p. 128
6.31.3.3Procedure of deferred location request procedure with SL positioning  p. 129
6.31.4Impacts on services, entities, and interfaces  p. 130
6.32Solution #32: Involving Multiple Reference UEs for Sidelink positioning  p. 130
6.32.1Description  p. 130
6.32.2Procedures  p. 133
6.32.3Impacts on services, entities and interfaces  p. 140
6.33Solution #33: Common Ranging/Sidelink positioning service exposure  p. 140
6.33.1General  p. 140
6.33.2Functional descriptions  p. 141
6.33.3Procedures  p. 142
6.33.4Impacts on services, entities, and interfaces  p. 144
6.34Solution #34: MT-LR and MO-LR signalling for UE-only Operation of SL Positioning and Ranging  p. 144
6.34.1General  p. 144
6.34.2Functional descriptions  p. 145
6.34.3Procedures  p. 147
6.34.3.1Case I: Target UE holds Vetting functionality  p. 147
6.34.3.1.1PC5-MT-LR procedure  p. 147
6.34.3.1.2PC5-MO-LR procedure  p. 148
6.34.3.2Case II: SL Positioning Server UE holds Vetting functionality  p. 150
6.34.3.2.1PC5-MT-LR procedure  p. 150
6.34.3.2.2PC5-MO-LR procedure  p. 152
6.34.4Impacts on services, entities, and interfaces  p. 153
7Evaluation  p. 153
7.1Key Issue #1: Support of authorisation and policy/parameter provisioning to UE and Key Issue #8: Service Authorization to NG-RAN  p. 153
7.2Key Issue #2: Ranging service operation procedure with the assistance of another UE  p. 154
7.3Key Issue #3: Ranging/Sidelink Positioning device discovery  p. 155
7.4Key Issue #4: Control of Operations for Ranging/Sidelink positioning  p. 156
7.5Key Issue #5: Network assisted SL Positioning  p. 157
7.5.1General  p. 157
7.5.2Privacy/SA3 considerations  p. 159
7.6Key Issue #6: Ranging and sidelink positioning service exposure to a UE  p. 160
7.7Key Issue #7: Ranging/Sidelink Positioning service exposure to Application server and for network assisted sidelink positioning  p. 162
8Conclusions  p. 162
8.1Key Issue #1: Support of authorisation and policy/parameter provisioning to UE and Key Issue #8: Service Authorization to NG-RAN  p. 163
8.2Key Issue #2: Ranging service operation procedure with the assistance of another UE  p. 163
8.3Key Issue #3: Ranging/Sidelink Positioning device discovery  p. 164
8.4Key Issue #4: Control of Operations for Ranging/Sidelink positioning  p. 165
8.5Key Issue #5: Network assisted SL Positioning  p. 166
8.6Key Issue #6: Ranging and sidelink positioning service exposure to a UE  p. 168
8.7Key Issue #7: Ranging/Sidelink Positioning service exposure to Application server and for network assisted sidelink positioning  p. 169
$Change history  p. 171

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