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TS 23.273SA2
5G System – Location Services Stage 2

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for a better overview, the Table of Contents (ToC) is reproduced
V16.1.0 (Wzip)2019/09  90 p.

Rapporteur:  Mr. Ai, Ming

The present document specifies the stage 2 of the service-based architecture used for location services in the 5G system, and corresponding Network Functions (NFs), NF services and procedures. The architecture and signalling procedures in NG-RAN are defined in TS 38.305. Support of location services for GERAN, UTRAN and E-UTRAN access networks is described in TS 23.271, TS 43.059, TS 25.305 and TS 36.305.

short Table of Contents for  TS 23.273  Word version:   16.1.0

each title links to the equivalent title in the full ToC

 

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1  ScopeWord-p. 7
2  ReferencesWord-p. 7
3  Definitions and AbbreviationsWord-p. 8
4  Architecture Model and ConceptsWord-p. 9
4.1  General ConceptsWord-p. 9
4.1a  Types of Location RequestWord-p. 10
4.1b  LCS Quality of ServiceWord-p. 11
4.2  Architectural Reference ModelWord-p. 12
4.2a  Interconnection between 5GC and EPCWord-p. 14
4.2b  Positioning methodsWord-p. 16
4.3  Functional description of LCS per network functionWord-p. 16
4.4  Reference Point to Support Location ServicesWord-p. 20
4.5  Service Based Interfaces to Support Location ServicesWord-p. 21
5  High Level FeaturesWord-p. 21
6  Location Service ProceduresWord-p. 31
6.1  5GC-MT-LR ProcedureWord-p. 31
6.2  5GC-MO-LR ProcedureWord-p. 37
6.3  Deferred 5GC-MT-LR Procedure for Periodic, Triggered and UE Available Location EventsWord-p. 40
6.4  LMF Change ProcedureWord-p. 48
6.5  Unified Location Service Exposure ProcedureWord-p. 49
6.6  NG-RAN Location Service Exposure ProcedureWord-p. 53
6.7  Low Power Periodic and Triggered 5GC-MT-LR ProceduresWord-p. 53
6.8  Bulk Operation of LCS Service Request Targeting to Multiple UEsWord-p. 56
6.9  Procedures to Support Non-3GPP AccessWord-p. 58
6.10  Procedures dedicated to Support Regulatory servicesWord-p. 64
6.11  Common Sub-ProceduresWord-p. 68
6.12  UE Location Privacy Setting ProcedureWord-p. 71
6.13  Procedures with interaction between 5GC and EPCWord-p. 72
6.14  Procedures for Broadcast of Assistance DataWord-p. 74
7  Information storageWord-p. 76
8  Network Function ServicesWord-p. 80
A  Differences with TS 23.271 [4]Word-p. 85
B  LCS privacy selection rule in serving NFWord-p. 89
C  Change historyWord-p. 90

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