1、 ETSI TS 123 271 V14.3.0 (2018-01) Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Functional stage 2 description of Location Services (LCS) (3GPP TS 23.271 version 14.3.0 Release 14) TECHNICAL SPECIFICATION ETSI ETSI TS 123 271 V1
2、4.3.0 (2018-01)13GPP TS 23.271 version 14.3.0 Release 14Reference RTS/TSGS-0223271ve30 Keywords GSM,LTE,UMTS ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N 348 623 562 00017 - NAF 742 C Association but non lucratif enregistr
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9、ciation. ETSI ETSI TS 123 271 V14.3.0 (2018-01)23GPP TS 23.271 version 14.3.0 Release 14Intellectual Property Rights Essential patents IPRs essential or potentially essential to the present document may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is public
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13、or reproduce any trademark and/or tradename. Mention of those trademarks in the present document does not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks. Foreword This Technical Specification (TS) has been produced by ETSI 3rd Generation Par
14、tnership Project (3GPP). The present document may refer to technical specifications or reports using their 3GPP identities, UMTS identities or GSM identities. These should be interpreted as being references to the corresponding ETSI deliverables. The cross reference between GSM, UMTS, 3GPP and ETSI
15、identities can be found under http:/webapp.etsi.org/key/queryform.asp. Modal verbs terminology In the present document “shall“, “shall not“, “should“, “should not“, “may“, “need not“, “will“, “will not“, “can“ and “cannot“ are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (
16、Verbal forms for the expression of provisions). “must“ and “must not“ are NOT allowed in ETSI deliverables except when used in direct citation. ETSI ETSI TS 123 271 V14.3.0 (2018-01)33GPP TS 23.271 version 14.3.0 Release 14Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminolog
17、y 2g3Foreword . 9g31 Scope 10g32 References 10g33 Definitions, symbols and abbreviations . 12g33.1 Definitions 12g33.2 Symbols 16g33.3 Abbreviations . 16g34 Main concepts 20g34.1 Assumptions . 20g34.2 Location Services Categories . 21g34.3 Positioning methods . 21g34.3.1 Standard LCS Methods in UTRA
18、N 21g34.3.2 Standard LCS Methods in GERAN 22g34.3.3 Standard LCS Methods in E-UTRAN 22g34.4 Types of Location Request . 22g34.4.1 Immediate Location Request 22g34.4.2 Deferred Location Request . 22g34.4.2.1 Types of event . 22g34.5 Concurrent Location Requests . 23g35 General LCS architecture . 24g3
19、5.1 LCS access interfaces . 24g35.2 LCS Functional diagram, high level functions . 25g35.3 LCS Client functional group 26g35.3.1 External Location Client Function (LCF) . 26g35.4 LCS Server functional group 26g35.4.1 Client handling component . 26g35.4.1.1 Location Client Control Function (LCCF) 26g
20、35.4.1.2 Location Client Authorization Function (LCAF) 26g35.4.1.2.1 Access Subfunction . 26g35.4.1.2.2 Subscription Subfunction 27g35.4.1.3 Location Client Co-ordinate Transformation Function (LCCTF) . 27g35.4.1.4 Location Client Zone Transformation Function (LCZTF) 27g35.4.2 System handling compon
21、ent . 27g35.4.2.1 Location System Control Function(LSCF) . 27g35.4.2.2 Location System Billing Function (LSBF) . 28g35.4.2.3 Location System Operations Function (LSOF) . 28g35.4.2.4 Location System Broadcast Function (LSBcF) . 28g35.4.2.5 Location System Co-ordinate Transformation Function (LSCTF) .
22、 28g35.4.2.6 Location IMS Interworking Function (LIMS-IWF) . 28g35.4.3 Subscriber handling Component . 28g35.4.3.1 Location Subscriber Authorization Function (LSAF) . 28g35.4.3.2 Location Subscriber Translation Function (LSTF) . 28g35.4.3.3 Location Subscriber Privacy Function (LSPF) 28g35.4.4 Posit
23、ioning components 28g35.5 Information Flows between Client and Server . 29g35.5.1 Location Service Request . 29g35.5.2 Location Service Response . 30g35.6 Information Flows between LCS Servers . 31g35.6.1 Location Service Request . 31g35.6.2 Location Service Response . 33g3ETSI ETSI TS 123 271 V14.3
24、.0 (2018-01)43GPP TS 23.271 version 14.3.0 Release 145.7 Optimized Lgd Procedure 34g36 LCS Architecture 34g36.0 Introduction 34g36.1 Schematic functional description of LCS operations . 37g36.2 Allocation of LCS functions to network elements . 38g36.3 Functional description of LCS per network elemen
25、t 41g36.3.1 Access Network 41g36.3.2 LCS Clients, LCS applications and Requestors 42g36.3.3 Gateway Mobile Location Centre, GMLC . 42g36.3.3A Location Retrieval Function, LRF 43g36.3.4 LCS support in the UE 43g36.3.5 MSC/VLR . 43g36.3.6 MSC Server 43g36.3.7 SGSN 44g36.3.8 Home Location Register, HLR
26、 . 44g36.3.9 HSS . 44g36.3.10 gsmSCF 44g36.3.11 Privacy Profile Register, PPR . 44g36.3.12 Pseudonym Mediation Device, PMD 44g36.3.13 Mobility Management Entity, MME 44g36.3.14 Evolved Serving Mobile Location Centre, E-SMLC 45g36.4 Addressing the target UE for LCS purposes 45g36.4.1 Verinyms for the
27、 target UE . 45g36.4.2 Pseudonyms for the target UE 45g36.4.3 Non-dialable callback numbers. 45g36.5 Quality of Service Information . 45g36.5.1 LCS QoS Class . 46g36.5.1.1 Best Effort Class . 46g36.5.1.2 Assured Class 46g37 Signalling and Interfaces 46g37.1 LCS signalling between Access and Core Net
28、works for GERAN and UTRAN access networks . 46g37.1.1 Core network Location Request 46g37.1.2 Location Report 46g37.1a LCS signalling between Access and Core Networks for E-UTRAN access networks . 47g37.1a.1 Core network Measurement Request 47g37.1a.2 Location Measurement Report 47g37.2 Um, Uu and U
29、u-LTE Interfaces . 47g37.3 MAP Interfaces 47g37.4 Lpp interface 48g37.4.1 LCS Authorisation Request 48g37.4.2 LCS Authorisation Response 49g37.4.3 LCS Privacy Profile Update notification 50g37.4.4 LCS Privacy Profile Update notification ack 50g37.5 Lid interface . 50g37.5.1 LCS Identity Request 50g3
30、7.5.2 LCS Identity Response . 50g37.6 IMS related Interfaces 50g37.6.1 Dh Interface 50g37.6.2 Sh Interface. 50g37.6.3 Ml Interface 51g37.7 SLg Interface 51g37.8 SLs Interface 51g37.9 SLh Interface 51g37.10 SLm Interface . 51g37.11 Lgd Interface 51g38 General network location procedures . 51g38.1 Sta
31、te description for GMLC . 51g38.1.1 GMLC states . 51g38.1.1.1 NULL State. 51g38.1.1.2 INTERROGATION State . 51g3ETSI ETSI TS 123 271 V14.3.0 (2018-01)53GPP TS 23.271 version 14.3.0 Release 148.1.1.3 LOCATION State . 52g38.1.2 State functionality . 52g38.1.2.1 State Transitions 52g38.1.2.2 INTERROGAT
32、ION Timer Function 53g38.1.2.3 LOCATION Timer Function 53g38.2 State description for VMSC and MSC Server 53g38.2.1 VMSC and MSC Server States . 53g38.2.1.1 LCS IDLE State 53g38.2.1.2 LOCATION State . 53g38.2.2 State Functionality 53g38.2.2.1 State Transitions 53g38.2.2.2 LOCATION Timer Function 54g3
33、8.3 LCS State description for SGSN 54g38.3.1 SGSN States 54g38.3.1.1 LCS IDLE State 54g38.3.1.2 LOCATION State . 54g38.3.2 State Functionality 54g38.3.2.1 State Transitions 54g38.3.2.2 LOCATION Timer Function 55g38.4 Signalling connection for the Iu interface 55g38.5 Signalling connection for the A-
34、interface 55g38.6 Gb interface mapping of target UE. 55g38.7 LCS State description for MME . 55g38.7.1 MME States 55g38.7.1.1 LCS IDLE State 55g38.7.1.2 LOCATION State . 55g38.7.2 State Functionality 56g38.7.2.1 State Transitions 56g38.7.2.2 LOCATION Timer Function 56g38.8 Signalling connection for
35、the S1 interface . 56g39 General Network Positioning Procedures 56g39.1 Mobile Terminating Location Request . 57g39.1.1 Common MT-LR procedure in PS and CS domain 58g39.1.1A Common MT-LR procedure in PS and CS domain for Emergency MT-LR 62g39.1.1.1 LCS Authorisation request 64g39.1.1.2 LCS Privacy P
36、rofile Update 65g39.1.1.3 LCS identity request 65g39.1.2 Circuit Switched Mobile Terminating Location Request (CS-MT-LR) . 66g39.1.2.1 Location Preparation Procedure 67g39.1.2.2 Positioning Measurement Establishment Procedure . 68g39.1.2.3 Location Calculation and Release Procedure 68g39.1.3 CS-MT-L
37、R without HLR Query . 68g39.1.4 CS-MT-LR and PS-MT-LR for a previously obtained location estimate . 69g39.1.4.1 Initial Location 70g39.1.4.2 Current Location . 70g39.1.4.3 Last known Location . 70g39.1.4.4 Security and Privacy . 70g39.1.4.5 Failing to locate the target UE. 70g39.1.4.5.1 Target UE is
38、 “Not Reachable“ . 70g39.1.4.5.2 Target UE is “Detached“ . 71g39.1.4.5.3 Target UE is Reachable but Positioning Fails . 71g39.1.4.5.4 MSC Server or SGSN Target UE is “Purged“ . 71g39.1.5 Network Induced Location Request (NI-LR) . 72g39.1.5.1 Location Preparation Procedure 72g39.1.5.2 Positioning Mea
39、surement Establishment Procedure . 73g39.1.5.3 Location Calculation and Release Procedure 73g39.1.5A NI-LR using Location Based Routing applicable to North American Emergency Calls only . 74g39.1.5A.1 Location Preparation Procedure 75g39.1.5A.2 Positioning Measurement Establishment Procedure . 75g39
40、.1.5A.3 Location Calculation and Release Procedure 75g39.1.5A.4 Location Preparation Procedure 75g3ETSI ETSI TS 123 271 V14.3.0 (2018-01)63GPP TS 23.271 version 14.3.0 Release 149.1.5A.5 Positioning Measurement Establishment Procedure . 76g39.1.5A.6 Location Calculation and Release Procedure 76g39.1
41、.6 Packet Switched Mobile Terminating Location Request (PS-MT-LR) 76g39.1.6.1 Location Preparation Procedure 77g39.1.6.2 Positioning Measurement Establishment Procedure . 78g39.1.6.3 Location Calculation and Release Procedure 79g39.1.6A PS-MT-LR without HLR Query . 79g39.1.7 Packet Switched Network
42、Induced Location Request (PS-NI-LR) 80g39.1.7.1 Positioning Measurement Establishment Procedure . 81g39.1.7.2 Location Calculation and Release Procedure 81g39.1.8 Mobile Terminating Deferred Location Request UE available event 82g39.1.8.1 Deferred Location Request Procedure 82g39.1.8.2 Location Repo
43、rt Procedure . 83g39.1.8.3 Combined Periodical/Deferred Mobile Terminating Location Request with UE available event. 84g39.1.8.4 Cancellation of a Deferred Location Request UE available event . 87g39.1.9 Deferred Location Request Procedure for the change of area event . 88g39.1.9.1 Cancellation of a
44、 Deferred Location Request Change of Area event . 91g39.1.10 Circuit Switched Post Positioning Notification and Verification Procedure 92g39.1.11 Packet Switched Post Positioning Notification and Verification Procedure . 95g39.1.12 Deferred Location Request Procedure for the Periodic Location Event
45、. 96g39.1.12.1 Instigation of an MT-LR Request for Periodic Location 96g39.1.12.2 Reporting of Periodic Location . 98g39.1.12.3 LCS Client cancellation of a Deferred Location Request Periodic Location Event . 101g39.1.12.4 UE cancellation of a Deferred Location Request Periodic Location Event . 103g
46、39.1.13 IW-MT-LR Procedure 105g39.1.14 IW-MT-LR Procedure without HLR/HSS or AAA Query . 106g39.1.15 EPC Mobile Terminating Location Request (EPC-MT-LR) 108g39.1.15.1 Location Preparation Procedure 108g39.1.15.2 Positioning Measurement Establishment Procedure . 110g39.1.15.3 Location Calculation and
47、 Release Procedure 110g39.1.16 EPC-MT-LR without HLR Query 111g39.1.17 EPC Network Induced Location Request (EPC-NI-LR). 112g39.1.17.1 Positioning Measurement Establishment Procedure . 112g39.1.17.2 Location Calculation and Release Procedure 113g39.1.18 EPC Post Positioning Notification and Verifica
48、tion Procedure 113g39.1.19 Deferred EPC-MT-LR for Periodic and Triggered Location 115g39.1.19.1 Instigation and Reporting of Periodic and Triggered Location . 115g39.1.19.2 LCS Client cancellation of a Deferred Location Request for Periodic and Triggered Location . 119g39.1.19.3 UE cancellation of a
49、 Deferred Location Request for Periodic and Triggered Location 120g39.2 Mobile Originating Location Request 122g39.2.1 Mobile Originating Location Request, Circuit Switched (CS-MO-LR) . 122g39.2.1.1 Location Preparation Procedure 122g39.2.1.2 Positioning Measurement Establishment Procedure . 123g39.2.1.3 Location Calculation and Release Procedure 123g39.2.2 Mobile Originating Location Request, Packet Switched (PS-MO-LR) 125g39.2.2.1 Location Preparation Procedure 125g39.2.2.2 Positioning Measurement Establishment Procedure . 126g39.2.2.3 Location Calculation and
