ETSI TS 124 171-2018 LTE Control Plane Location Services (LCS) procedures in the Evolved Packet System (EPS) (V15 0 0 3GPP TS 24 171 version 15 0 0 Release 15).pdf

1、 ETSI TS 124 171 V15.0.0 (2018-07) LTE; Control Plane Location Services (LCS) procedures in the Evolved Packet System (EPS) (3GPP TS 24.171 version 15.0.0 Release 15) TECHNICAL SPECIFICATION ETSI ETSI TS 124 171 V15.0.0 (2018-07)13GPP TS 24.171 version 15.0.0 Release 15Reference RTS/TSGC-0424171vf00

2、 Keywords LTE 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 enregistre la Sous-Prfecture de Grasse (06) N 7803/88 Important notice The present document can be downl

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8、ered for the benefit of its Members and of the 3GPP Organizational Partners. oneM2M logo is protected for the benefit of its Members. GSMand the GSM logo are trademarks registered and owned by the GSM Association. ETSI ETSI TS 124 171 V15.0.0 (2018-07)23GPP TS 24.171 version 15.0.0 Release 15Intelle

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13、ent 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 Partnership Project (3GPP). The present document may refer to technical specifications or report

14、s 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 identities can be found under http:/webapp.etsi.org/key/queryform.asp. Modal verbs terminolog

15、y 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 (Verbal forms for the expression of provisions). “must“ and “must not“ are NOT allowed in ETSI

16、 deliverables except when used in direct citation. ETSI ETSI TS 124 171 V15.0.0 (2018-07)33GPP TS 24.171 version 15.0.0 Release 15Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 4g31 Scope 5g32 References 5g33 Definitions, symbols and abbreviations . 5g33

17、.1 Definitions 5g33.2 Abbreviations . 5g34 General . 6g34.1 Overview 6g34.1.1 NAS aspect . 6g34.1.2 LCS aspect 6g34.2 LCS Support capabilities 6g34.2.1 UE support of LCS . 6g34.2.2 MME support of LCS . 6g35 Support of LCS signaling . 7g35.1 General . 7g35.2 LCS operations . 7g35.2.0 General 7g35.2.1

18、 Network initiated location services operations . 7g35.2.1.1 Location Notification 7g35.2.1.1.0 General 7g35.2.1.1.1 Normal operation . 8g35.2.1.2 Network initiated Positioning Information Transport . 9g35.2.2 Mobile initiated location services operations 10g35.2.2.1 Mobile Originated Location Reque

19、st (MO-LR) 10g35.2.2.1.0 General 10g35.2.2.1.1 Normal operation . 11g35.2.2.2 Mobile initiated Positioning Information Transport 15g35.3 LCS messages and coding 15g35.3.1 Messages for common LCS operations 15g35.3.2 Messages for E-UTRAN LCS operations only . 16g35.3.2.1 LPP Messages . 16g35.3.2.1.1

20、Downlink Positioning Information Transport using LPP messages 16g35.3.2.1.2 Uplink Positioning Information Transport using LPP messages . 16g3Annex A (informative): Change history . 17g3History 18g3ETSI ETSI TS 124 171 V15.0.0 (2018-07)43GPP TS 24.171 version 15.0.0 Release 15Foreword This Technical

21、 Specification has been produced by the 3rdGeneration Partnership Project (3GPP). The contents of the present document are subject to continuing work 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

22、 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 for information; 2 presented to TSG for approval; 3 or greater indicates TSG approved document under change control. y the second digit is incremen

23、ted for all changes of substance, i.e. technical enhancements, corrections, updates, etc. z the third digit is incremented when editorial only changes have been incorporated in the document. ETSI ETSI TS 124 171 V15.0.0 (2018-07)53GPP TS 24.171 version 15.0.0 Release 151 Scope The present document s

24、pecifies the operations and information coding for the Non-access Stratum (NAS) layer protocol for supporting the Location Services (LCS) in the Evolved Universal Terrestrial Radio Access Network (E-UTRAN). The present document is applicable to the User Equipment (UE) and to the Mobility Management

25、Entity (MME) in the Evolved Packet System (EPS). The present document is developed in accordance to the general principles stated in 3GPP TS 23.271 1. 2 References The following documents contain provisions which, through reference in this text, constitute provisions of the present document. - Refer

26、ences 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 3GPP document (including a G

27、SM 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 stage 2 description of LCS“. 3 3GPP TS 24.301: “Non-Access-Stratum (NAS)

28、protocol for Evolved Packet System (EPS)“. 4 3GPP TS 36.355: “LTE Positioning Protocol“. 5 3GPP TS 24.080: “Mobile radio interface layer 3 supplementary services specification; Formats and coding “. 6 3GPP TS 24.030: “LCS Supplementary service operations; Stage 3“. 7 3GPP TS 29.171: “Definition of S

29、Ls interface for Control Plane LCS“. 8 3GPP TS 23.272: “Circuit Switched (CS) fallback in Evolved Packet System (EPS); Stage 2“. 3 Definitions, symbols 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.

30、A term defined in the present document takes precedence over the definition of the same term, if any, in TR 21.905 1. For the purposes of the present document, the following terms and definitions given in 3GPP TS 23.272 8 apply: CS fallback 3.2 Abbreviations For the purposes of the present document,

31、 the abbreviations given in TR 21.905 1 and the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in TR 21.905 1. EPS Evolved Packet System IE Information ElementE-UTRAN Evolved Universal Terrestrial Radio Access N

32、etwork ETSI ETSI TS 124 171 V15.0.0 (2018-07)63GPP TS 24.171 version 15.0.0 Release 15LCS Location Services LPP LTE Positioning Protocol LTE Long Term Evolution MME Mobility Management Entity MO-LR Mobile Originated Location Request MT-LR Mobile Terminated Location RequestNAS Non-access Stratum UE U

33、ser Equipment 4 General 4.1 Overview 4.1.1 NAS aspect To enable transfer of application protocol messages between the MME and the UE, a generic “container“ message is defined on the downlink (Downlink Generic NAS Transport message) and the uplink (Uplink Generic NAS Transport message). The message p

34、rotocol and procedures are described in 3GPP TS 24.301 3. 4.1.2 LCS aspect Location Services (LCS) uses the generic containers provided by the NAS Generic Transport mechanism to transfer LCS signalling messages between the UE and the network. Currently, container in the generic transport messages ca

35、n carry the following LCS information: - LTE Positioning Protocol (LPP) messages (Refer to 3GPP TS 36.355 4) - Both downlink and uplink LPP messages are supported - A Routing Identifier is transported as the Additional Information IE in Uplink/Downlink Generic NAS Transport message for LPP messages

36、(Refer to 3GPP TS 24.301 3) - Location services messages - Messages for MO-LR operations (Refer to 3GPP TS 24.080 5) - Messages for MT-LR LCS location notification (Refer to 3GPP TS 24.080 5) 4.2 LCS Support capabilities 4.2.1 UE support of LCS The UE announces to the network its ability to support

37、LCS notification mechanism and/or LPP messages using the UE Network Capability IE defined in 3GPP TS 24.301 3. 4.2.2 MME support of LCS The network announces to the UE its ability to support LCS MO-LR mechanism in E-UTRAN and GERAN/UTRAN using the EPS network feature support IE defined in 3GPP TS 24

38、.3013. These information are taken into account by the UE, in addition to UEs LCS and CSFB capabilities for UE to determine whether to initiate EPC-MO-LR procedure or CS fallback procedure for CS-MO-LR in GERAN/UTRAN as specified in 3GPP TS 23.272 8, subclause 8.3.1. ETSI ETSI TS 124 171 V15.0.0 (20

39、18-07)73GPP TS 24.171 version 15.0.0 Release 155 Support of LCS signaling 5.1 General This clause defines the E-UTRAN LCS operations (subclause 5.2) and the format and coding of the messages (subclause 5.3). The messages defined in this subclause can be transported in the Downlink Generic NAS Transp

40、ort message and the Uplink Generic NAS Transport message defined in 3GPP TS 24.301 3. 5.2 LCS operations 5.2.0 General The operations defined in this subclause are for E-UTRAN LCS support only. The MO-LR operation and the Location Notification operation for E-UTRAN LCS are similar to that for GERAN

41、and UTRAN LCS. The operations for GERAN and UTRAN location signalling support are defined in 24.030 6. 5.2.1 Network initiated location services operations 5.2.1.1 Location Notification 5.2.1.1.0 General The Location Notification operation enables the MME to trigger the end-user notification verific

42、ation process on the UE using NAS signaling. The NAS signaling (see 5.2.1.1.1) are transported using the Downlink Generic NAS Transport message and the Uplink Generic NAS Transport message defined in 3GPP TS 24.301 3. Figure 5.2.1.1.0-1 illustrates an example of the NAS signaling transport for an EP

43、C-MT-LR session. ETSI ETSI TS 124 171 V15.0.0 (2018-07)83GPP TS 24.171 version 15.0.0 Release 15Figure 5.2.1.1.0-1: NAS signaling transport for Location Notification NOTE: The optional Additional Information IE of the Downlink/Uplink Generic NAS Transport message is not used when the LCS Location No

44、tification signaling are transported in the Generic Message Container. 5.2.1.1.1 Normal operation The network invokes a location notification procedure by sending a REGISTER message containing a LCS-LocationNotification invoke component to the UE. This may be sent either to request verification for

45、MT-LR or to notify about already authorized MT-LR. In case of privacy verification the UE shall respond to the request by sending a RELEASE COMPLETE message containing the mobile subscribers response in a return result component (see figure 5.2.1.1.1-1). If the timer T(LCSN) expires in the network b

46、efore any response from the UE (e.g. due to no response from the user), the network shall interpret this by applying the default treatment defined in TS 3GPP 23.271 2 (i.e. disallow location if barred by subscription and allow location if allowed by subscription). In the case of location notificatio

47、n no response is required from the UE, the UE shall terminate the dialogue by sending a RELEASE COMPLETE message containing a LocationNotification return result. If the UE is unable to process the request received from the network, it shall return an error indication by sending a RELEASE COMPLETE me

48、ssage containing a return error component. Error values are specified in 3GPP TS 24.080 5. ETSI ETSI TS 124 171 V15.0.0 (2018-07)93GPP TS 24.171 version 15.0.0 Release 15UE Network REGISTER Facility (Return result = LCS-LocationNotification (verificationResponse) RELEASE COMPLETE - - - - - - - - - -

49、 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Facility (Return error (Error) RELEASE COMPLETE - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Facility (Reject (Invoke_problem) RELEASE COMPLETE Facility (Invoke = LCS-MOLR (molr-Type, lcs-QoS, lcsClientExternalID, mlc-Number, supportedGADShapes, lcsServiceTypeID, ageOfLocationInfo, locationType, pseudonymIndicator, multiplePositioningProtocolPDUs) FACILITY Figure 5.2.2.1.1-1: Single mobile or