1、 ETSI TS 129 171 V14.2.0 (2018-01) Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Location Services (LCS); LCS Application Protocol (LCS-AP) between the Mobile Management Entity (MME) and Evolved Serving Mobile Location Centre (E-
2、SMLC); SLs interface (3GPP TS 29.171 version 14.2.0 Release 14) TECHNICAL SPECIFICATION ETSI ETSI TS 129 171 V14.2.0 (2018-01)13GPP TS 29.171 version 14.2.0 Release 14Reference RTS/TSGC-0429171ve20 Keywords GSM,LTE,UMTS ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4
3、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 available in
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9、tected for the benefit of its Members. GSM and the GSM logo are trademarks registered and owned by the GSM Association. ETSI ETSI TS 129 171 V14.2.0 (2018-01)23GPP TS 29.171 version 14.2.0 Release 14Intellectual Property Rights Essential patents IPRs essential or potentially essential to the present
10、 document may have been 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 respe
11、ct of ETSI standards“, which 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 o
12、ther IPRs not referenced 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. Trademarks The present document may include trademarks and/or tradenames which are asserted and/or registered by their owners. ETSI claims no ow
13、nership of these except for any which are indicated as being the property of ETSI, and conveys no right to use 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
14、 with those trademarks. 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 or GSM identities. These should be interpreted as
15、 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“, “will
16、“, “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 129 171 V14.2.0 (2018-01)33GPP T
17、S 29.171 version 14.2.0 Release 14Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 5g31 Scope 6g32 References 6g33 Definitions and abbreviations . 7g33.1 Definitions 7g33.2 Abbreviations . 7g34 Functional Overview 7g34.1 General . 7g35 LCS-AP Message Trans
18、port . 8g35.1 General . 8g35.2 Protocol Layering . 8g35.3 Usage of SCTP Associations 9g36 LCS-AP Procedures . 9g36.1 General . 9g36.2 Procedures Applicable to LCS-AP . 9g36.2.1 Location Service Request . 9g36.2.1.1 General 9g36.2.1.2 Successful Operation . 9g36.2.1.3 Unsuccessful Operation 11g36.2.2
19、 Location Information Exchange . 11g36.2.2.1 Connection Oriented Information Transfer . 11g36.2.2.1.1 General 11g36.2.2.1.2 Successful Operation . 12g36.2.2.1.3 Abnormal Conditions 12g36.2.2.2 Connectionless Information Transfer 12g36.2.2.2.1 General 12g36.2.2.2.2 Successful Operation . 13g36.2.2.2.
20、3 Unsuccessful Operation . 13g36.2.2.2.4 Abnormal Conditions 13g36.3 Exception Procedures . 14g36.3.1 Location Abort 14g36.3.1.1 General 14g36.3.1.2 Normal Operation . 14g36.3.1.3 Abnormal Conditions 14g36.3.2 Reset . 14g36.3.2.1 General 14g36.3.2.2 Normal Operation . 15g36.3.2.3 Abnormal Conditions
21、 15g36.4 Error Handling 15g36.4.1 Abnormal Conditions 15g36.4.2 Overload . 15g37 LCS-AP Messages and Message Formats 16g37.1 General . 16g37.2 Message Formats 16g37.3 LCS-AP Messages 16g37.3.1 LCS-AP Location Request message . 17g37.3.2 LCS-AP Location Response message . 17g37.3.3 LCS-AP Location Ab
22、ort Request message . 18g37.3.4 LCS-AP Connection Oriented Information message 18g3ETSI ETSI TS 129 171 V14.2.0 (2018-01)43GPP TS 29.171 version 14.2.0 Release 147.3.5 LCS-AP Connectionless Information message . 18g37.3.6 LCS-AP Reset Request message 19g37.3.7 LCS-AP Reset Acknowledge message . 19g3
23、7.4 Information Elements . 19g37.4.1 General 19g37.4.2 Message Type . 20g37.4.3 Location Type . 20g37.4.4 E-CGI 20g37.4.5 LCS Client Type . 21g37.4.6 LCS Priority 21g37.4.7 LCS QoS . 21g37.4.8 UE Positioning Capability 22g37.4.9 Include Velocity 22g37.4.10 IMSI 22g37.4.11 IMEI 23g37.4.12 Geographic
24、Area . 24g37.4.13 Positioning Data 26g37.4.14 Velocity Estimate 30g37.4.15 Accuracy Fulfilment Indicator 30g37.4.16 LCS Cause 31g37.4.17 Payload Type 32g37.4.18 APDU . 32g37.4.19 Network Element 32g37.4.20 Return Error Request 32g37.4.21 Return Error Cause . 32g37.4.22 Altitude and direction . 33g37
25、.4.23 Geographical Coordinates . 33g37.4.24 Uncertainty Ellipse . 34g37.4.25 Horizontal Speed and Bearing 34g37.4.26 Vertical Velocity . 34g37.4.27 PLMN Identity 35g37.4.28 Correlation ID . 35g37.4.29 eNB ID 36g37.4.30 LCS Service Type ID 36g37.4.31 Cell Portion ID 36g37.4.32 Civic Address 36g37.4.3
26、3 Barometric Pressure 37g37.4.34 RAT Type . 37g37.4.35 Coverage Level . 37g37.5 Message and information element abstract syntax . 37g37.5.1 General 37g37.5.2 Usage of protocol extension mechanism for non-standard use . 38g37.5.3 Elementary procedure definitions . 38g37.5.4 PDU definitions 40g37.5.5
27、Information element definitions 44g37.5.6 Common definitions . 52g37.5.7 Constant definitions 52g37.5.8 Container Definitions 53g37.5.9 Message transfer syntax . 55g37.6 Handling of unknown, unforeseen and erroneous protocol data 55g38 LCS-AP Timers 55g38.1 General . 55g38.2 Timers of LCS-AP 55g3Ann
28、ex A (informative): Change history 56g3History 57g3ETSI ETSI TS 129 171 V14.2.0 (2018-01)53GPP TS 29.171 version 14.2.0 Release 14Foreword This Technical Specification has been produced by the 3rdGeneration Partnership Project (3GPP). The contents of the present document are subject to continuing wo
29、rk within 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 t
30、o TSG for 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 chan
31、ges have been incorporated in the document. ETSI ETSI TS 129 171 V14.2.0 (2018-01)63GPP TS 29.171 version 14.2.0 Release 141 Scope The present document specifies the procedures and information coding for LCS Application Protocol (LCS-AP) that is needed to support the location services in E-UTRAN. Th
32、e LCS-AP message set is applicable to the SLs interface between the E-SMLC and the MME. LCS-AP is developed in accordance to the general principles stated in 3GPP TS 23.271 3. 2 References The following documents contain provisions which, through reference in this text, constitute provisions of the
33、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 version applies. In the case of a reference to a 3GP
34、P 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 36.305: “Stage 2 functional specification of User Equipment (UE) pos
35、itioning in E-UTRAN“. 3 3GPP TS 23.271: “Functional stage 2 description of Location Services (LCS)“. 4 IETF RFC 4960: “Stream Control Transmission Protocol“. 5 TIA/EIA/IS-J-STD-036 (2000): “Wireless Enhanced Emergency Services“. 6 3GPP TS 23.032: “Universal Geographical Area Description (GAD)“. 7 3G
36、PP TS 36.413: “S1 Application Protocol (S1AP)“. 8 ITU-T Recommendation X.680 (07/2002): “Information Technology - Abstract Syntax Notation One (ASN.1): Specification of basic notation“. 9 ITU-T Recommendation X.681 (07/2002): “Information Technology - Abstract Syntax Notation One (ASN.1): Informatio
37、n object specification“. 10 3GPP TS 22.071: “Location Services (LCS); Service Description; Stage1“. 11 3GPP TS 23.003: “Numbering, addressing and identification“. 12 ITU-T Recommendation X.691 (07/2002): “Information Technology - ASN.1 encoding rules - Specification of Packed Encoding Rules (PER)“.
38、13 IETF RFC 4119: “A Presence-based GEOPRIV Location Object Format“. 14 IETF RFC 5139: “Revised Civic Location Format for Presence Information Data Format Location Object“. 15 IETF RFC 6848: “Specifying Civic Address Extensions in the Presence Information Data Format Location Object (PIDF-LO)“. ETSI
39、 ETSI TS 129 171 V14.2.0 (2018-01)73GPP TS 29.171 version 14.2.0 Release 143 Definitions and abbreviations 3.1 Definitions For the purposes of the present 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 th
40、e definition of the same term, if any, in TR 21.905 1. Elementary Procedure: LCS-AP protocol consists of Elementary Procedures (EPs). An LCS-AP Elementary Procedure is a unit of interaction between the MME and the E-SMLC. An EP consists of an initiating message and possibly a response message. Two k
41、inds of EPs are used: - Class 1: Elementary Procedures with response (success or failure), - Class 2: Elementary Procedures without response. 3.2 Abbreviations For the purposes of the present document, the abbreviations given in TR 21.905 1 and the following apply. An abbreviation defined in the pre
42、sent document takes precedence over the definition of the same abbreviation, if any, in TR 21.905 1. CID Cell-ID (positioning method) E-CID Enhanced Cell-ID (positioning method) E-SMLC Enhanced Serving Mobile Location Centre E-UTRAN Envolved Universal Terrestrial Radio Access Network GNSS Global Nav
43、igation Satellite System GPS Global Positioning System LCS LoCation ServicesLCS-AP LCS Application Protocol LPP LTE Positioning Protocol LPPa LTE Positioning Protocol Annex LTE Long Term Evolution MBS Metropolitan Beacon System MO-LR Mobile Originated Location Request MT-LR Mobile Terminated Locatio
44、n RequestNI-LR Network Induced Location Request MME Mobility Management Entity OTDOA Observed Time Difference Of Arrival PDU Protocol Data Unit SCTP Stream Control Transmission Protocol SET SUPL Enabled Terminal SLP SUPL Location PlatformSUPL Secure User Plane Location TA Timing Advanced UE User Equ
45、ipmentU-TDOA Uplink Time Difference Of Arrival 4 Functional Overview 4.1 General Figure 4.1-1 below shows the architecture applicable to the positioning of a UE with E-UTRAN access. The SLs interface is used to convey LCS-AP messages and parameters between the MME to the E-SMLC. It is also used for
46、tunnelling LTE Positioning Protocols (LPP between the E-SMLC and the target UE, LPPa between the E-SMLC and the eNB), which are transparent to the MME as described in 3GPP TS 36.305 2. ETSI ETSI TS 129 171 V14.2.0 (2018-01)83GPP TS 29.171 version 14.2.0 Release 14UE Serving eNB S1 Neighbor eNB S1 MM
47、E E-SMLC SLs LTE-Uu Figure 4.1-1 Positioning Interfaces in E-UTRAN 5 LCS-AP Message Transport 5.1 General The LCS-AP is a logical interface between the MME and the E-SMLC. This section specifies the standards for signaling transport to be used across LCS-AP. 5.2 Protocol Layering Figure 5.2-1 below
48、shows the protocol layering used to support the transfer of LCS-AP PDUs between an E-SMLC and a MME. The LTE Positioning Protocols (LPP and LPPa) can be carried in LCS-AP messages which are transparent to the MME. L1 L2 IP SCTP S1-AP L1 L2 IP SCTP LCS-AP L1 L2 IP LCS-AP LPP/ LPPa MME SLs SCTP E-SMLC
49、 NAS Relay Figure 5.2-1 Protocol Layering for LCS-AP ETSI ETSI TS 129 171 V14.2.0 (2018-01)93GPP TS 29.171 version 14.2.0 Release 145.3 Usage of SCTP Associations SCTP (see IETF RFC 4960 4) shall be supported as the transport layer of LCS-AP messages. Semi-permanent SCTP associations shall be established between MME and E-SMLC, i.e. the SCTP associations shall remain up under normal circumstances. Local multi-homing should be supported. Remote multi-homing shall be supported. Multiple local SCTP endpoints may be supported. Multiple
