1、 ETSI TS 129 172 V14.0.0 (2017-03) Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Location Services (LCS); Evolved Packet Core (EPC) LCS Protocol (ELP) between the Gateway Mobile Location Centre (GMLC) and the Mobile Management En
2、tity (MME); SLg interface (3GPP TS 29.172 version 14.0.0 Release 14) TECHNICAL SPECIFICATION ETSI ETSI TS 129 172 V14.0.0 (2017-03)13GPP TS 29.172 version 14.0.0 Release 14Reference RTS/TSGC-0429172ve00 Keywords GSM,LTE,UMTS ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +
3、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 enregistre 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 availabl
4、e in electronic versions and/or in print. The content of any electronic and/or print versions of the present document shall not be modified without the prior written authorization of ETSI. In case of any existing or perceived difference in contents between such versions and/or in print, the only pre
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7、d in any form or by any means, electronic or mechanical, including photocopying and microfilm except as authorized by 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 repr
8、oduction in all media. European Telecommunications Standards Institute 2017. All rights reserved. DECTTM, PLUGTESTSTM, 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 th
9、e 3GPP Organizational Partners. GSM and the GSM logo are Trade Marks registered and owned by the GSM Association. ETSI ETSI TS 129 172 V14.0.0 (2017-03)23GPP TS 29.172 version 14.0.0 Release 14Intellectual Property Rights IPRs essential or potentially essential to the present document may have been
10、declared to ETSI. The information pertaining to these essential 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“, w
11、hich is available from the ETSI Secretariat. Latest updates 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
12、 in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become, essential to the present document. Foreword The present document may refer to technical specifications or reports using their 3GPP identities, UMTS identities or GSM identities. These should be interpret
13、ed 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“, “should“, “should not“, “may“, “need not“,
14、“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 citation. ETSI ETSI TS 129 172 V14.0.0 (2017-03)33
15、GPP TS 29.172 version 14.0.0 Release 14Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 5g31 Scope 6g32 References 6g33 Definitions, symbols and abbreviations . 7g33.1 Definitions 7g33.2 Symbols 7g33.3 Abbreviations . 7g34 Functional Overview 8g34.1 Genera
16、l . 8g35 ELP Message Transport . 9g35.1 General . 9g35.2 Use of Diameter base protocol . 9g35.3 Securing Diameter Messages . 9g35.4 Accounting functionality 9g35.5 Use of sessions . 9g35.6 Transport protocol 10g35.7 Routing considerations . 10g35.8 Advertising Application Support 10g36 ELP Procedure
17、s 10g36.1 General . 10g36.2 Provide Subscriber Location 11g36.2.1 General 11g36.2.2 Successful Operation 11g36.2.3 Unsuccessful Operation 18g36.3 Subscriber Location Report 18g36.3.1 General 18g36.3.2 Successful Operation 18g36.3.3 Unsuccessful Operation 22g37 ELP Messages and Message Formats 22g37.
18、1 General . 22g37.2 Message Formats 23g37.3 ELP Messages 23g37.3.1 Provide-Location-Request (PLR) Command 23g37.3.2 Provide-Location-Answer (PLA) Command 24g37.3.3 Location-Report-Request (LRR) Command . 24g37.3.4 Location-Report-Answer (LRA) Command . 25g37.4 Information Elements . 26g37.4.1 Genera
19、l 26g37.4.2 SLg-Location-Type . 29g37.4.3 LCS-EPS-Client-Name . 29g37.4.4 LCS-Requestor-Name. 30g37.4.5 LCS-Priority . 30g37.4.6 LCS-QoS 30g37.4.7 Horizontal-Accuracy . 30g37.4.8 Vertical-Accuracy. 30g37.4.9 Vertical-Requested 30g37.4.10 Velocity-Requested . 30g37.4.11 Response-Time . 31g37.4.12 Sup
20、ported-GAD-Shapes . 31g3ETSI ETSI TS 129 172 V14.0.0 (2017-03)43GPP TS 29.172 version 14.0.0 Release 147.4.13 LCS-Codeword . 31g37.4.14 LCS-Privacy-Check 31g37.4.15 Accuracy-Fulfilment-Indicator . 31g37.4.16 Age-Of-Location-Estimate . 32g37.4.17 Velocity-Estimate . 32g37.4.18 EUTRAN-Positioning-Data
21、 32g37.4.19 ECGI . 32g37.4.20 Location-Event . 32g37.4.21 Pseudonym-Indicator 32g37.4.22 LCS-Service-Type-ID . 33g37.4.23 LCS-Privacy-Check-Non-Session 33g37.4.24 LCS-Privacy-Check-Session. 33g37.4.25 Feature-List-ID . 33g37.4.26 Feature-List . 33g37.4.27 LCS-QoS-Class . 33g37.4.28 Serving-Node 33g3
22、7.4.29 GERAN-Positioning-Info . 33g37.4.30 GERAN-Positioning-Data 34g37.4.31 GERAN-GANSS-Positioning-Data 34g37.4.32 UTRAN-Positioning-Info . 34g37.4.33 UTRAN-Positioning-Data 34g37.4.34 UTRAN-GANSS-Positioning-Data 34g37.4.35 LRR-Flags. 34g37.4.37 LCS-Reference-Number . 35g37.4.38 Area-Event-Info 3
23、5g37.4.39 Area-Definition . 36g37.4.40 Area 36g37.4.41 Area-Type . 36g37.4.42 Area-Identification 36g37.4.43 Occurrence-Info 36g37.4.44 Interval-Time 36g37.4.45 Periodic-LDR-Info 37g37.4.46 Reporting-Amount 37g37.4.47 Reporting-Interval . 37g37.4.48 Reporting-PLMN-List 37g37.4.49 PLMN-ID-List 37g37.
24、4.54 Deferred-MT-LR-Data 39g37.4.55 Termination-Cause 39g37.4.57 ESMLC-Cell-Info . 40g37.4.58 Cell-Portion-ID . 40g37.4.59 1xRTT-RCID 40g37.4.60 Delayed-Location-Reporting-Data 40g37.4.61 Civic-Address . 41g37.4.62 Barometric-Pressure 41g37.4.63 UTRAN-Additional-Positioning-Data 41g37.5g3 Result-Cod
25、e AVP and Experimental-Result AVP Values . 41g37.5.1 General 41g37.5.2 Success 41g37.5.3 Permanent Failures . 41g37.5.3.1 DIAMETER_ERROR_USER_UNKNOWN (5001) 41g37.5.3.2 DIAMETER_ERROR_UNAUTHORIZED_REQUESTING_NETWORK (5490) . 41g37.5.4 Transient Failures . 41g37.5.4.1 DIAMETER_ERROR_UNREACHABLE_USER
26、(4221) 42g37.5.4.2 DIAMETER_ERROR_SUSPENDED_USER (4222) 42g37.5.4.3 DIAMETER_ERROR_DETACHED_USER (4223) 42g37.5.4.4 DIAMETER_ERROR_POSITIONING_DENIED (4224) . 42g37.5.4.5 DIAMETER_ERROR_POSITIONING_FAILED (4225) 42g37.5.4.6 DIAMETER_ERROR_UNKNOWN_UNREACHABLE LCS_CLIENT (4226) 42g3Annex A (informativ
27、e): Change history . 43g3History 44 ETSI ETSI TS 129 172 V14.0.0 (2017-03)53GPP TS 29.172 version 14.0.0 Release 14Foreword This Technical Specification (TS) has been produced by ETSI 3rd Generation Partnership Project (3GPP). The contents of the present document are subject to continuing work withi
28、n the TSG and may change following formal TSG approval. Should the TSG modify the contents of the present document, it will be re-released by the TSG with an identifying change of release date and an increase in version number as follows: Version x.y.z where: x the first digit: 1 presented to TSG fo
29、r information; 2 presented to TSG for approval; 3 or greater indicates TSG approved document under change control. y the second digit is incremented for all changes of substance, i.e. technical enhancements, corrections, updates, etc. z the third digit is incremented when editorial only changes have
30、 been incorporated in the document. ETSI ETSI TS 129 172 V14.0.0 (2017-03)63GPP TS 29.172 version 14.0.0 Release 141 Scope The present document specifies the procedures and information coding for the EPC LCS Protocol (ELP) that is needed to support the location services in E-UTRAN, UTRAN and GERAN.
31、The ELP message set is applicable to the SLg interface between the MME and the GMLC and the Lgd interface between the SGSN and the GMLC. ELP is developed in accordance to the general principles stated in 3GPP TS 23.271 2. 2 References The following documents contain provisions which, through referen
32、ce in this text, constitute provisions of the present document. - References are either specific (identified by date of publication, edition number, version number, etc.) or non-specific. - For a specific reference, subsequent revisions do not apply. - For a non-specific reference, the latest versio
33、n applies. In the case of a reference to a 3GPP document (including a GSM document), a non-specific reference implicitly refers to the latest version of that document in the same Release as the present document. 1 3GPP TR 21.905: “Vocabulary for 3GPP Specifications“. 2 3GPP TS 23.271: “Functional st
34、age 2 description of Location Services (LCS)“. 3 3GPP TS 23.032: “Universal Geographical Area Description (GAD)“. 4 Void. 5 IETF RFC 2234: “Augmented BNF for syntax specifications“. 6 3GPP TS 23.003: “Numbering, addressing and identification“. 7 3GPP TS 29.171: “LCS Application Protocol (LCS-AP) bet
35、ween the MME and E-SMLC“. 8 3GPP TS 29.274: “Evolved General Packet Radio Service (GPRS) Tunnelling Protocol for Control plane (GTPv2-C)“. 9 Void 10 3GPP TS 32.299: “Charging management; Diameter charging applications“. 11 3GPP TS 29.272: “Evolved Packet System; MME and SGSN Related Interfaces Based
36、 on Diameter Protocol“. 12 3GPP TS 29.329: “Sh Interface based on the Diameter protocol“. 13 3GPP TS 33.210: “3G Security; Network Domain Security; IP Network Layer Security“. 14 IETF RFC 4960: “Stream Control Transmission Protocol“. 15 3GPP TS 22.071: “Location Services (LCS); Service description“.
37、 16 IETF RFC 5778: “Diameter Mobile IPv6: Support for Home Agent to Diameter Server Interaction“. 17 3GPP TS 29.229: “Cx and Dx Interfaces based on the Diameter protocol; protocol details“. 18 3GPP TS 29.173: “Location Services; Diameter-based SLh interface for Control Plane LCS“. 19 3GPP TS 29.002:
38、 “Mobile Application Part (MAP) specification“. 20 3GPP TS 49.031: “Location Services (LCS) Base Station System Application Part LCS Extension (BSSAP-LE)“. ETSI ETSI TS 129 172 V14.0.0 (2017-03)73GPP TS 29.172 version 14.0.0 Release 1421 3GPP TS 25.413: “UTRAN Iu Interface RANAP signalling“. 22 3GPP
39、2 A.S0014-D v5.0: “Interoperability Specification (IOS) for cdma2000 Access Network Interfaces Part 4 (A1, A1p, A2, and A5 Interfaces) UTRAN Iu Interface RANAP signalling“. 23 IETF RFC 6733: “Diameter Base Protocol“. 3 Definitions, symbols and abbreviations 3.1 Definitions For the purposes of the pr
40、esent document, the terms and definitions given in TR 21.905 1 and the following apply. A term defined in the present document takes precedence over the definition of the same term, if any, in TR 21.905 1. EPC-MO-LR: EPC Mobile Originating Location Request EPC-MT-LR: EPC Mobile Terminating Location
41、Request EPC-NI-LR: EPC Network Induced Location Request PS-MO-LR: Packet Switched Mobile Originating Location Request PS-MT-LR: Packet Switched Mobile Terminating Location Request PS-NI-LR: Packet Switched Network Induced Location Request LCS: LoCation Services LCS Client: software and/or hardware e
42、ntity that interacts with a LCS Server (in this case, the GMLC) for the purpose of obtaining location information for one or more Mobile Stations. LCS Clients subscribe to LCS in order to obtain location information. LCS Clients may or may not interact with human users. The LCS Client is responsible
43、 for formatting and presenting data and managing the user interface (dialogue). The LCS Client may reside in the Mobile Station (UE). LCS QoS: The QoS class determines the degree of adherence to the quality of service information as required by the source of a location request. Target: UE being posi
44、tioned 3.2 Symbols For the purposes of the present document, the following symbols apply: SLg Interface between GMLC and MME Lgd Interface between GMLC and SGSN 3.3 Abbreviations For the purposes of the present document, the abbreviations given in TR 21.905 1 and the following apply. An abbreviation
45、 defined in the present document takes precedence over the definition of the same abbreviation, if any, in TR 21.905 1. GMLC Gateway Mobile Location Centre EPC Enhanced Packet Core IMEI International Mobile Equipment Identity IMS IP Multimedia Subsystem IMSI International Mobile Subscriber Identity
46、MME Mobility Management Entity TTTP Transfer To Third Party UE User Equipment, as defined in 3GPP TS 23.032 3 ETSI ETSI TS 129 172 V14.0.0 (2017-03)83GPP TS 29.172 version 14.0.0 Release 144 Functional Overview 4.1 General This document defines the EPC LCS Protocol (ELP) used on the SLg interface be
47、tween the GMLC and the MME and on the Lgd interface between the GMLC and the SGSN in the Evolved Packet Core (EPC). The location of the SLg interface within the LCS logical architecture is shown in Figure 4.1-1. UE eNB MME GMLC Serving Gateway PDN Gateway PSAP LRF SLg E-SMLC IMS HSS Figure 4.1-1 SLg
48、 interface in the LCS Architecture The location of the Lgd interface within the LCS logical architecture is shown in Figure 4.1-2. UE RNC/BSS SGSN GMLC Serving Gateway PDN Gateway PSAP LRF Lgd IMS HSS Figure 4.1-2 Lgd interface in the LCS Architecture The high level functions of the ELP protocol are
49、 described in 3GPP TS 23.271 2. The main functions of the protocol are: - To allow the GMLC to request position estimates for a particular target UE from the MME or SGSN in order to support the EPC-MT-LR or PS-MT-LR positioning procedures. This is achieved using the Provide Subscriber Location message; - To allow the MME or SGSN to return a position estimate or an error report to the GMLC in response to a Provide Subscriber Location request as part of an EPC-MT-LR or PS-MT-LR positioning procedure; ETSI ETSI TS
