ETSI TS 148 071-2018 Digital cellular telecommunications system (Phase 2+) (GSM) Location Services (LCS) Serving Mobile Location Centre - Base Station System (SMLC-BSS) interface L.pdf

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1、 ETSI TS 148 071 V15.0.0 (2018-07) Digital cellular telecommunications system (Phase 2+) (GSM); Location Services (LCS); Serving Mobile Location Centre - Base Station System (SMLC-BSS) interface; Layer 3 specification (3GPP TS 48.071 version 15.0.0 Release 15) TECHNICAL SPECIFICATION GLOBAL SYSTEM F

2、OR MOBILE COMMUNICATIONSRETSI ETSI TS 148 071 V15.0.0 (2018-07)13GPP TS 48.071 version 15.0.0 Release 15Reference RTS/TSGR-0648071vf00 Keywords GSM 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

3、 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 electronic versions and/or in print. The content of any electronic and/o

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9、ks registered and owned by the GSM Association. ETSI ETSI TS 148 071 V15.0.0 (2018-07)23GPP TS 48.071 version 15.0.0 Release 15Intellectual Property Rights Essential patents IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The information pertaining t

10、o 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“, which is available from the ETSI Secretariat. L

11、atest 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 in ETSI SR 000 314 (or the updates on the ETS

12、I 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 ownership of these except for any which are indicated as being the prope

13、rty 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 with those trademarks. Foreword This Technical Specification (TS) has

14、 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 being references to the corresponding ETSI deliverables. The cross re

15、ference 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“, “will not“, “can“ and “cannot“ are to be interpreted as described i

16、n 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 148 071 V15.0.0 (2018-07)33GPP TS 48.071 version 15.0.0 Release 15Contents Intellectual Property Right

17、s 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 5g31 Scope 6g32 References 6g33 Definitions and abbreviations . 6g34 Messages functional definitions and contents 7g34.1 General . 7g34.2 Messages 7g34.2.1 TA Request . 8g34.2.2 TA Response. 8g34.2.3 (void) 8g34.2.4 (void) 8g34.2.5 Reject 8g34

18、.2.6 Reset . 9g34.2.7 Abort . 9g34.2.8 TA Layer3 . 10g34.2.9 MS Position Command . 10g34.2.10 MS Position Response 10g34.2.11 U-TDOA Request . 10g34.2.12 U-TDOA Response . 11g35 Information element encodings 12g35.1 Message Type IE 14g35.2 Timing Advance IE 14g35.3 (void) 14g35.4 Cell Identity IE .

19、14g35.5 (void) 15g35.6 (void) 15g35.7 (void) 15g35.8 Channel Description IE 15g35.9 (void) 15g35.10 (void) 15g35.11 (void) 15g35.12 Measurement Report IE 15g35.13 (void) 16g35.14 Cause IE . 16g35.15 RRLP Flag IE . 16g35.16 RRLP IE . 16g35.17 Cell Identity List IE 17g35.18 Enhanced Measurement Report

20、 IE . 18g35.19 Location Area Code IE . 18g35.20 Frequency List IE . 19g35.21 MS Power IE 19g35.22 Delta Timer IE 19g35.23 Serving Cell Identifier IE . 19g35.24 Encryption Key IE 19g35.25 Cipher Mode Setting IE 20g35.26 Channel Mode IE 20g35.27 MultiRate Configuration IE 20g35.28 Polling Repetition I

21、E 20g35.29 Packet Channel Description IE . 20g35.30 TLLI IE 21g35.31 TFI IE . 21g3ETSI ETSI TS 148 071 V15.0.0 (2018-07)43GPP TS 48.071 version 15.0.0 Release 155.32 Starting Time IE . 21g35.33 Long Encryption Key IE 21g35.34 Concurrent Positioning Flag . 22g3Annex A (informative): Change History 23

22、g3History 24g3ETSI ETSI TS 148 071 V15.0.0 (2018-07)53GPP TS 48.071 version 15.0.0 Release 15Foreword This Technical 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 foll

23、owing 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 for information; 2 presented to

24、 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 been incorporated in the doc

25、ument. ETSI ETSI TS 148 071 V15.0.0 (2018-07)63GPP TS 48.071 version 15.0.0 Release 151 Scope The present document contains the coding of information necessary for support of location service operation on the SMLC-BSS interface layer 3. Clause 2 gives the functional definitions and contents of messa

26、ges for location service operations. Clause 3 gives the general format and coding for messages used for location service and the format and coding of information elements used for location service operations. 2 References The following documents contain provisions which, through reference in this te

27、xt, 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 version applies. In the c

28、ase 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 43.059: “Functional stage 2 description o

29、f Location Services (LCS) in GERAN“. 3 3GPP TS 24.007: “Mobile radio interface signalling layer 3; General aspects“. 4 3GPP TS 44.018: “Mobile radio interface layer 3 specification; Radio Resource Control Protocol“. 4a 3GPP TS 24.008: “Mobile radio interface layer 3 specification; Core network proto

30、cols; Stage 3“. 5 3GPP TS 45.008: “Radio subsystem link control“. 6 3GPP TS 48.008: “Mobile Switching Centre - Base Station System (MSC-BSS) interface; Layer 3 specification“. 7 3GPP TS 49.031: “Location Services (LCS); Base Station System Application Part LCS Extension (BSSAP-LE)“. 8 3GPP TS 44.031

31、: “Location Services (LCS); Mobile Station (MS) - Serving Mobile Location Centre (SMLC) Radio Resource LCS Protocol (RRLP)“. 3 Definitions and abbreviations For the purposes of the present document, the abbreviations, terms and definitions given in 3GPP TR 21.905 and 3GPP TS 43.059 apply. ETSI ETSI

32、TS 148 071 V15.0.0 (2018-07)73GPP TS 48.071 version 15.0.0 Release 154 Messages functional definitions and contents 4.1 General This sub-clause defines the structure of the messages of the SMLC-BSS layer 3 protocol defined in 3GPP TS 43.059. Each definition includes: a) a brief description of the me

33、ssage; b) a table listing the information elements in the order of their appearance in the message. For each IE the table indicates: 1) the name of the IE (which gives an idea of the semantics of the element), which is used in this and other specifications as a reference to the IE within the message

34、; 2) the name of the type of the IE (which indicates the coding of the value part of the IE), and a reference to a description of the value part of the IE; 3) the presence requirement indication (M, C or O) for the IE, as defined in 3GPP TS 24.007; 4) the format of the IE (T, V, TV, LV, TLV) as defi

35、ned in 3GPP TS 24.007; 5) the length of the IE (or permissible range of lengths), in octets, in the message. The value of the length gives the number of octets in the IE following the length and element identifier. Where the length is encoded using more than one octet, the high order bit is bit 8 of

36、 the first (lowest numbered octet) and the low order bit is bit 1 of the last (highest numbered octet). When a length has a range of M to N octets, the notation “M-N“ is used. The symbol “n“ represents the maximum of a range when indefinite. c) sub-clauses specifying conditions for IEs with presence

37、 requirement C or O in the relevant message. Together with other conditions specified in 3GPP TS 43.059 this defines when the IE shall be included or not, what non-presence of such IEs means, and (for IEs with presence requirement C) the static conditions for presence and/or non-presence of the IEs

38、(see 3GPP TS 43.059). 4.2 Messages The following Location Services related messages are exchanged between the SMLC and the BSS: - TA Request; - TA Response; - Reject; - Reset; - Abort; - TA Layer3; - MS Position Command; - MS Position Response; - U-TDOA Request; - U-TDOA Response. On the Lb interfac

39、e the messages are contained in the BSSLAP APDU IE which is encapsulated in the following messages as specified in 3GPP TS 49.031: - BSSMAP-LE CONNECTION ORIENTED INFORMATION message (for all messages except the TA LAYER 3 message); ETSI ETSI TS 148 071 V15.0.0 (2018-07)83GPP TS 48.071 version 15.0.

40、0 Release 15- BSSMAP-LE PERFORM LOCATION REQUEST message (for the TA LAYER 3 message) - BSSMAP-LE PERFORM LOCATION INFORMATION message (for the TA LAYER 3 message). 4.2.1 TA Request The TA Request is a message from the SMLC to the BSS, requesting BSS to return the timing advance (or access delay) of

41、 the MS. Table 4.2.1.1: TA Request message content Information element Type/Reference Presence Format Length Message Type Message Type IE / 5.1 M V 1 4.2.2 TA Response The TA Response is a message from the BSS to the SMLC. It is a response to TA Request message and contains the following information

42、 elements. Table 4.2.2.1: TA Response message content Information element Type/Reference Presence Format Length Message Type Message Type IE / 5.1 M V 1 Serving Cell Identity Cell Identity IE / 5.4 M TV 3 Timing Advance Timing Advance IE / 5.2 M TV 2 Measurement Report Measurement Report IE / 5.12 O

43、 TLV 18 Enhanced Measurement Report Enhanced Measurement Report IE / 5.18 O TLV 4-n Measured Cell Identity List Cell Identity List IE / 5.17 O TLV 6-n Concurrent Method Flag Concurrent Positioning Flag IE / 5.34 O (note 1) TV 2 NOTE 1: This IE is only included when the BSC allows a concurrent invoca

44、tion of a first and second positioning procedure 4.2.3 (void) 4.2.4 (void) 4.2.5 Reject The Reject is a message from the BSS to the SMLC. It is a possible response to TA Request, MS Position Command or U-TDOA Request and contains the following information elements. Table 4.2.5.1: Reject message cont

45、ent Information element Type/Reference Presence Format Length Message Type Message Type IE / 5.1 M V 1 Cause Cause IE / 5.14 M TV 2 The following are the expected cause values for Reject message: - congestion; - channel Mode not supported; - positioning procedure not supported; - failure for other r

46、adio related events; - incorrect serving cell identity; - BSSAP-LE Segmentation error; ETSI ETSI TS 148 071 V15.0.0 (2018-07)93GPP TS 48.071 version 15.0.0 Release 15- Concurrent Positioning not enabled. 4.2.6 Reset The Reset is a message from the BSS to the SMLC. It is sent when the Response messag

47、e contents for a positioning request are invalidated (e.g. due to handover) before the positioning procedure was completed. Table 4.2.6.1: Reset message content Information element Type/Reference Presence Format Length Message Type Message Type IE / 5.1 M V 1 Cell ID Cell Identity IE / 5.4 M TV 3 Ti

48、ming Advance Timing Advance IE / 5.2 M TV 2 Channel description Channel Description IE / 5.8 M TV 4 Cause Cause IE / 5.1 M TV 2 Measurement Report Measurement Report IE / 5.12 O TLV 18 Enhanced Measurement Report Enhanced Measurement Report IE / 5.18 O TLV 4-n Measured Cell Identity List Cell Identi

49、ty List IE / 5.17 O TLV 6-n LAC Location Area Code IE / 5.19 O TV 3 Frequency List Frequency List IE 5.20 C (note 1) TLV 3-n Channel Mode Channel Mode IE 5.26 C (notes 2 - failure for other radio related events; - supervision Timer Expired; - incorrect serving cell identity. 4.2.7 Abort The Abort is a message from the BSS to the SMLC. Upon receiving this signal, the SMLC shall abort ongoing positioning procedure. Table 4.2.7.1: Abort message content Information element Type/Reference Presence Format Length Message Type Message Type IE / 5.1 M V 1 Cause