ETSI TS 123 271-2017 Digital cellular telecommunications system (Phase 2+) (GSM) Universal Mobile Telecommunications System (UMTS) LTE Functional stage 2 description of Location Se.pdf

1、 ETSI TS 123 271 V14.1.0 (2017-05) 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 14.1.0 Release 14) TECHNICAL SPECIFICATION ETSI ETSI TS 123 271 V1

2、4.1.0 (2017-05)13GPP TS 23.271 version 14.1.0 Release 14Reference RTS/TSGS-0223271ve10 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

3、e la Sous-Prfecture de Grasse (06) N 7803/88 Important notice The present document can be downloaded from: http:/www.etsi.org/standards-search The present document may be made available in electronic versions and/or in print. The content of any electronic and/or print versions of the present documen

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7、y written permission of ETSI. The content of the PDF version shall not be modified without the written authorization of ETSI. The copyright and the foregoing restriction extend to reproduction in all media. European Telecommunications Standards Institute 2017. All rights reserved. DECTTM, PLUGTESTST

8、M, UMTSTMand the ETSI logo are Trade Marks of ETSI registered for the benefit of its Members. 3GPPTM and LTE are Trade Marks of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. oneM2M logo is protected for the benefit of its Members GSM and the GSM logo are Tra

9、de Marks registered and owned by the GSM Association. ETSI ETSI TS 123 271 V14.1.0 (2017-05)23GPP TS 23.271 version 14.1.0 Release 14Intellectual Property Rights IPRs essential or potentially essential to the present document may have been declared to ETSI. The information pertaining to these essent

10、ial IPRs, if any, is publicly available for ETSI members and non-members, and can be found in ETSI SR 000 314: “Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards“, which is available from the ETSI Secretariat. Latest updates

11、are available on the ETSI Web server (https:/ipr.etsi.org/). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web server)

12、which are, or may be, or may become, essential to the present document. Foreword This Technical Specification (TS) has been produced by ETSI 3rd Generation Partnership Project (3GPP). The present document may refer to technical specifications or reports using their 3GPP identities, UMTS identities o

13、r GSM identities. These should be interpreted as being references to the corresponding ETSI deliverables. The cross reference between GSM, UMTS, 3GPP and ETSI identities can be found under http:/webapp.etsi.org/key/queryform.asp. Modal verbs terminology In the present document “shall“, “shall not“,

14、“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 (Verbal forms for the expression of provisions). “must“ and “must not“ are NOT allowed in ETSI deliverables except when used in direct citatio

15、n. ETSI ETSI TS 123 271 V14.1.0 (2017-05)33GPP TS 23.271 version 14.1.0 Release 14Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 9g31 Scope 10g32 References 10g33 Definitions, symbols and abbreviations . 12g33.1 Definitions 12g33.2 Symbols 16g33.3 Abbrev

16、iations . 16g34 Main concepts 20g34.1 Assumptions . 20g34.2 Location Services Categories . 21g34.3 Positioning methods . 21g34.3.1 Standard LCS Methods in UTRAN 21g34.3.2 Standard LCS Methods in GERAN 21g34.3.3 Standard LCS Methods in E-UTRAN 22g34.4 Types of Location Request . 22g34.4.1 Immediate L

17、ocation Request 22g34.4.2 Deferred Location Request . 22g34.4.2.1 Types of event . 22g34.5 Concurrent Location Requests . 23g35 General LCS architecture . 24g35.1 LCS access interfaces . 24g35.2 LCS Functional diagram, high level functions . 25g35.3 LCS Client functional group 26g35.3.1 External Loc

18、ation Client Function (LCF) . 26g35.4 LCS Server functional group 26g35.4.1 Client handling component . 26g35.4.1.1 Location Client Control Function (LCCF) 26g35.4.1.2 Location Client Authorization Function (LCAF) 26g35.4.1.2.1 Access Subfunction . 26g35.4.1.2.2 Subscription Subfunction 27g35.4.1.3

19、Location Client Co-ordinate Transformation Function (LCCTF) . 27g35.4.1.4 Location Client Zone Transformation Function (LCZTF) 27g35.4.2 System handling component . 27g35.4.2.1 Location System Control Function(LSCF) . 27g35.4.2.2 Location System Billing Function (LSBF) . 28g35.4.2.3 Location System

20、Operations Function (LSOF) . 28g35.4.2.4 Location System Broadcast Function (LSBcF) . 28g35.4.2.5 Location System Co-ordinate Transformation Function (LSCTF) . 28g35.4.2.6 Location IMS Interworking Function (LIMS-IWF) . 28g35.4.3 Subscriber handling Component . 28g35.4.3.1 Location Subscriber Author

21、ization Function (LSAF) . 28g35.4.3.2 Location Subscriber Translation Function (LSTF) . 28g35.4.3.3 Location Subscriber Privacy Function (LSPF) 28g35.4.4 Positioning components 28g35.5 Information Flows between Client and Server . 29g35.5.1 Location Service Request . 29g35.5.2 Location Service Respo

22、nse . 30g35.6 Information Flows between LCS Servers . 31g35.6.1 Location Service Request . 31g35.6.2 Location Service Response . 33g3ETSI ETSI TS 123 271 V14.1.0 (2017-05)43GPP TS 23.271 version 14.1.0 Release 145.7 Optimized Lgd Procedure 34g36 LCS Architecture 34g36.0 Introduction 34g36.1 Schemati

23、c functional description of LCS operations . 37g36.2 Allocation of LCS functions to network elements . 38g36.3 Functional description of LCS per network element 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

24、 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 . 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 Mobilit

25、y 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 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

26、.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 Networks for GERAN and UTRAN access networks . 46g37.1.1 Core network Location Request 46g37.1.2 Location Report 46g37.1a LCS signalling between

27、 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 Uu-LTE Interfaces . 47g37.3 MAP Interfaces 47g37.4 Lpp interface 48g37.4.1 LCS Authorisation Request 48g37.4.2 LCS Authorisation Response 49g3

28、7.4.3 LCS Privacy Profile Update notification 50g37.4.4 LCS Privacy Profile Update notification ack 50g37.5 Lid interface . 50g37.5.1 LCS Identity Request 50g37.5.2 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 SL

29、g Interface 51g37.8 SLs Interface 51g37.9 SLh Interface 51g37.10 SLm Interface . 51g37.11 Lgd Interface 51g38 General network location procedures . 51g38.1 State 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 V14.1.0

30、(2017-05)53GPP TS 23.271 version 14.1.0 Release 148.1.1.3 LOCATION State . 52g38.1.2 State functionality . 52g38.1.2.1 State Transitions 52g38.1.2.2 INTERROGATION 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

31、 . 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 54g38.3 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 Functionalit

32、y 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-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

33、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 the S1 interface . 56g39 General Network Positioning Procedures 56g39.1 Mobile Terminating Location Request . 57g39.1.1 Common MT-LR procedur

34、e 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 Profile Update 65g39.1.1.3 LCS identity request 65g39.1.2 Circuit Switched Mobile Terminating Location Request (CS-MT-LR) . 66g39.1.2.1 Locati

35、on Preparation Procedure 67g39.1.2.2 Positioning Measurement Establishment Procedure . 68g39.1.2.3 Location Calculation and Release Procedure 68g39.1.3 CS-MT-LR 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

36、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 “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 Ser

37、ver 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 Measurement Establishment Procedure . 73g39.1.5.3 Location Calculation and Release Procedure 73g39.1.5A NI-LR using Location Based Routing appli

38、cable to North American Emergency Calls only . 74g39.1.5A.1 Location Preparation Procedure 75g39.1.5A.2 Positioning Measurement Establishment Procedure . 75g39.1.5A.3 Location Calculation and Release Procedure 75g39.1.5A.4 Location Preparation Procedure 75g3ETSI ETSI TS 123 271 V14.1.0 (2017-05)63GP

39、P TS 23.271 version 14.1.0 Release 149.1.5A.5 Positioning Measurement Establishment Procedure . 76g39.1.5A.6 Location Calculation and Release Procedure 76g39.1.6 Packet Switched Mobile Terminating Location Request (PS-MT-LR) 76g39.1.6.1 Location Preparation Procedure 77g39.1.6.2 Positioning Measurem

40、ent 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 Induced Location Request (PS-NI-LR) 80g39.1.7.1 Positioning Measurement Establishment Procedure . 81g39.1.7.2 Location Calculation and Releas

41、e 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 Report Procedure . 83g39.1.8.3 Combined Periodical/Deferred Mobile Terminating Location Request with UE available event. 84g39.1.8.4 Cancellation

42、 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 Deferred Location Request Change of Area event . 91g39.1.10 Circuit Switched Post Positioning Notification and Verification Procedure 92g39.

43、1.11 Packet Switched Post Positioning Notification and Verification Procedure . 95g39.1.12 Deferred Location Request Procedure for the Periodic Location Event . 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 ca

44、ncellation of a Deferred Location Request Periodic Location Event . 101g39.1.12.4 UE cancellation of a Deferred Location Request Periodic Location Event . 103g39.1.13 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

45、(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 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 Positi

46、oning Measurement Establishment Procedure . 112g39.1.17.2 Location Calculation and Release Procedure 113g39.1.18 EPC Post Positioning Notification and Verification Procedure 113g39.1.19 Deferred EPC-MT-LR for Periodic and Triggered Location 115g39.1.19.1 Instigation and Reporting of Periodic and Tri

47、ggered 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 Deferred Location Request for Periodic and Triggered Location 120g39.2 Mobile Originating Location Request 122g39.2.1 Mobile Originating Loc

48、ation 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 Loca

49、tion Preparation Procedure 125g39.2.2.2 Positioning Measurement Establishment Procedure . 126g39.2.2.3 Location Calculation and Release Procedure 126g39.2.3 MO-LR Request for Periodic Location Transfer to a Third Party 127g39.2.4 MO-LR Request for Periodic Self Location . 129g39.2.5 WLAN UE Originated Procedure in I-WLAN . 131g39.2.6 Mobile Originating Location Request, EPC (EPC-MO-LR) 132g39.2.6.1 Location Preparation Procedure 132g39.2.6.2 Positioning Measurement Establishment Procedure . 133g39.2.6.3 Location Calculation and Release Procedure 133g39.3 LCS sig