ETSI TS 101 527-2007 Digital cellular telecommunications system (Phase 2+) Location Services (LCS) Mobile Station (MS) - Serving Mobile Location Centre (SMLC) Radio Resource LCS Pr.pdf

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1、 ETSI TS 101 527 V8.18.0 (2007-06)Technical Specification Digital cellular telecommunications system (Phase 2+);Location Services (LCS);Mobile Station (MS) - Serving Mobile Location Centre (SMLC)Radio Resource LCS Protocol (RRLP)(3GPP TS 04.31 version 8.18.0 Release 1999)GLOBAL SYSTEM FOR MOBILE COM

2、MUNICATIONSRETSI ETSI TS 101 527 V8.18.0 (2007-06) 1 3GPP TS 04.31 version 8.18.0 Release 1999 Reference RTS/TSGG-020431v8i0 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 Associati

3、on but non lucratif enregistre la Sous-Prfecture de Grasse (06) N 7803/88 Important notice Individual copies of the present document can be downloaded from: http:/www.etsi.org The present document may be made available in more than one electronic version or in print. In any case of existing or perce

4、ived difference in contents between such versions, the reference version is the Portable Document Format (PDF). In case of dispute, the reference shall be the printing on ETSI printers of the PDF version kept on a specific network drive within ETSI Secretariat. Users of the present document should b

5、e aware that the document may be subject to revision or change of status. Information on the current status of this and other ETSI documents is available at http:/portal.etsi.org/tb/status/status.asp If you find errors in the present document, please send your comment to one of the following service

6、s: http:/portal.etsi.org/chaircor/ETSI_support.asp Copyright Notification No part may be reproduced except as authorized by written permission. The copyright and the foregoing restriction extend to reproduction in all media. European Telecommunications Standards Institute 2007. All rights reserved.

7、DECTTM, PLUGTESTSTM and UMTSTM are Trade Marks of ETSI registered for the benefit of its Members. TIPHONTMand the TIPHON logo are Trade Marks currently being registered by ETSI for the benefit of its Members. 3GPPTM is a Trade Mark of ETSI registered for the benefit of its Members and of the 3GPP Or

8、ganizational Partners. ETSI ETSI TS 101 527 V8.18.0 (2007-06) 2 3GPP TS 04.31 version 8.18.0 Release 1999 Intellectual Property Rights IPRs essential or potentially essential to the present document may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is public

9、ly 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 are available on the ETSI W

10、eb server (http:/webapp.etsi.org/IPR/home.asp). 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) which are, or

11、 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 or GSM identit

12、ies. 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. ETSI ETSI TS 101 527 V8.18.0 (2007-06) 3 3GPP TS 04.31 version 8.18.0 Release 1999

13、Contents Intellectual Property Rights2 Foreword.2 Foreword.5 1 Scope 6 1.1 References 6 1.2 Abbreviations .6 2 Functionality of Protocol6 2.1 General .6 2.2 Position Measurement Procedure .7 2.3 Assistance Data Delivery Procedure 8 2.4 (void)9 2.5 Error Handling Procedures.9 2.5.1 General9 2.5.1a Me

14、ssage Too Short .9 2.5.2 Unknown Reference Number .9 2.5.3 Missing Information Element or Component Element .9 2.5.4 Incorrect Data .9 2.5.5 Repeated Component9 2.5.6 (void) 10 2.5.7 Missing Component10 2.5.8 Unforeseen Component 10 2.5.9 RRLP Procedure .10 3 Message Structure 10 3.1 General Format

15、of RRLP Message.10 3.2 Reference Number IE.11 3.3 Component IE 12 4 Components12 4.1 Measure Position Request 13 4.2 Measure Position Response13 4.3 Assistance Data 14 4.4 Assistance Data Acknowledgement .14 4.5 Protocol Error.14 5 Elements of Components15 5.1 ASN.1 Description .15 Annex A (informat

16、ive): Description of Components.29 A.1 Introduction 29 A.2 Measure Position Request 29 A.2.1 General .29 A.2.2 Elements.29 A.2.2.1 Positioning Instructions Element 29 A.2.2.2 E-OTD Reference BTS for Assistance Data Element.30 A.2.2.3 E-OTD Measurement Assistance Data Element .31 A.2.2.4a GPS Time As

17、sistance Measurement Request Element .34 A.2.2.4b GPS Reference Time Uncertainty Element34 A.2.2.4 E-OTD Measurement Assistance Data for System Information List Element34 A.3 Measure Position Response37 A.3.1 General .37 A.3.2 Elements.37 A.3.2.1 Multiple Sets Element.37 A.3.2.2 Reference BTS Identi

18、ty Element 38 ETSI ETSI TS 101 527 V8.18.0 (2007-06) 4 3GPP TS 04.31 version 8.18.0 Release 1999 A.3.2.3 E-OTD Measurement Information Element .39 A.3.2.3a E-OTD Measurement Extended Information Element43 A.3.2.4 Location Information Element43 A.3.2.5 GPS Measurement Information Element 44 A.3.2.6 L

19、ocation Information Error Element 48 A.3.2.6a GPS Time Assistance Measurements Element .48 GPS TOW Subms49 A.4 Assistance Data 50 A.4.1 General .50 A.4.2 Elements.50 A.4.2.1 E-OTD Reference BTS for Assistance Data Element.50 A.4.2.2 E-OTD Measurement Assistance Data Element .50 A.4.2.3 E-OTD Measure

20、ment Assistance Data for System Information List Element50 A.4.2.4 GPS Assistance Data Element 50 A.4.2.4a GPS Time Assistance Measurement Request Element.63 A.4.2.4b GPS Reference Time Uncertainty Element 63 A.4.2.5 More Assistance Data To Be Sent Element 63 A.5 Assistance Data Acknowledgement .63

21、A.5.1 General .63 A.6 Protocol Error.63 A.6.1 General .63 Annex B (informative): Change History 64 History 65 ETSI ETSI TS 101 527 V8.18.0 (2007-06) 5 3GPP TS 04.31 version 8.18.0 Release 1999 Foreword This Technical Specification has been produced by the 3rdGeneration Partnership Project (3GPP). Th

22、e 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 TSG with an identifying change of release date and an increase in version number as

23、 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 incremented for all changes of substance, i.e. technical enhancements, corrections, updates,

24、 etc. z the third digit is incremented when editorial only changes have been incorporated in the document. ETSI ETSI TS 101 527 V8.18.0 (2007-06) 6 3GPP TS 04.31 version 8.18.0 Release 1999 1 Scope The present document contains the definition of the Radio Resource LCS Protocol (RRLP) to be used betw

25、een the Mobile Station (MS) and the Serving Mobile Location Centre (SMLC). Clause 2 defines the functionality of the protocol. Clause 3 describes the message structure, and clause 4 the structure of components. Clause 5 contains the ASN.1 description of the components. 1.1 References The following d

26、ocuments contain provisions which, through reference 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

27、 a non-specific reference, the latest version 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 TS 01.04: “Abbreviations and acronyms

28、“. 2 3GPP TS 03.71: “Location Services (LCS); (Functional description) - Stage 2“. 3 3GPP TS 09.02: “Mobile Application Part (MAP) specification“. 4 ITU-T Recommendation X.691: “Specification of packet encoding rules for Abstract Syntax Notation One (ASN.1)“. 5 ITU-T Recommendation X.680: “Specifica

29、tion of Abstract Syntax Notation One (ASN.1)“. 6 3GPP TS 03.32:“Universial Geographic Area Description“. 7 3GPP TS 09.31: “Location Services (LCS); Base Station System Application Part LCS Extension (BSSAP-LE)“. 8 RTCM-SC104, RTCM Recommended Standards for Differential GNSS Service (v.2.2). 9 T1P1.5

30、/98-440r0, Low-Complexity Assisted-GPS Positioning (Ericsson). 10 ICD-GPS-200, Navstar GPS Space Segment/Navigation User Interfaces. 1.2 Abbreviations Abbreviations used in the present document are listed in 3GPP TS 01.04 or in 3GPP TS 03.71. 2 Functionality of Protocol 2.1 General The present docum

31、ent defines one generic RRLP message that is used to transfer Location Services (LCS) related information between the Mobile Station (MS) and the Serving Mobile Location Centre (SMLC). Usage of the RRLP protocol on a general level is described in 3GPP TS 03.71 that includes Stage 2 description of LC

32、S. One message includes one of the following components: ETSI ETSI TS 101 527 V8.18.0 (2007-06) 7 3GPP TS 04.31 version 8.18.0 Release 1999 - Measure Position Request; - Measure Position Response; - Assistance Data; - Assistance Data Acknowledgement; - Protocol Error. Next subchapters describe the u

33、sage of these components. Delivery of components may be supported in the RRLP level using pseudo-segmentation by sending several shorter messages instead of one long message. This may be used to avoid lower level segmentation of messages and/or to improve the reliability of assistance data delivery

34、to the MS in the event that delivery is interrupted by an RR management event like handover. Any assistance data that is successfully delivered to an MS and acknowledged prior to the interruption of the positioning procedure by an event like handover, or by any other event that causes an MS to termi

35、nate the positioning procedure or delivery of assistance data (see subclause 7.11.5 of 3GPP TS 03.71), shall be retained by the MS and need not be resent by the SMLC when positioning or delivery of assistance data is again reattempted. If an SMLC uses pseudo-segmentation, the maximum RRLP PDU size s

36、ent by the SMLC shall be 242 octets. If pseudo-segmentation is not used, the lower layers take care of segmentation if the RRLP message is larger than the maximum message size at the lower layers. 2.2 Position Measurement Procedure This procedure is the same that is described on a more general level

37、 in 3GPP TS 03.71 in the chapter “E-OTD and GPS Positioning Procedures“ in subchapters “Positioning for BSS based SMLC“ and “Positioning for NSS based SMLC“. The purpose of this procedure is to enable the SMLC to request for position measurement data or location estimate from the MS, and the MS to r

38、espond to the request with measurements or location estimate. MSSMLC2. RRLP(Measure Position Request)3. RRLP(Protocol Error)4. RRLP(Measure Position Response)1. Assistance Data Delivery ProcedureFigure 2.1: Position Measurement procedure 1. The Measure Position Request component may be preceded by a

39、n Assistance Data Delivery Procedure (see section 2.3) to deliver some or all of the entire set of assistance data that is needed by the subsequent positioning procedure (steps 2-4). 2. The SMLC sends the Measure Position Request component in a RRLP message to the MS. The component includes QoS, oth

40、er instructions, and possible assistance data to the MS. The RRLP message contains a reference number of the request. 3. The MS sends a RRLP message containing the Protocol Error component to the SMLC, if there is a problem that prevents the MS to receive a complete and understandable Measure Positi

41、on Request component. The RRLP message contains the reference number included in the Measure Position Request received incomplete. The Protocol Error component includes a more specific reason. When the SMLC receives the Protocol Error ETSI ETSI TS 101 527 V8.18.0 (2007-06) 8 3GPP TS 04.31 version 8.

42、18.0 Release 1999 component, it may try to resend the Measure Position Request (go back to the step 2), abort location, or start a new position measurement procedure (e.g. with updated assistance data). 4. The MS tries to perform the requested location measurements, and possibly calculates it own po

43、sition. When the MS has location measurements, location estimate, or an error indication (measurements/location estimation not possible), it sends the results in the Measure Position Response component to the SMLC. The RRLP message contains the reference number of the request originally received in

44、the step 2. If there is a problem that prevents the SMLC to receive a complete and understandable Measure Position Response component, the SMLC may decide to abort location, or start a new position measurement procedure instead. 2.3 Assistance Data Delivery Procedure This procedure is the same that

45、is described on a more general level in 3GPP TS 03.71 in the chapter “E-OTD and GPS Positioning Procedures“ in subchapters “Assistance Data Delivery from BSS based SMLC“ and “Assistance Data Delivery from NSS based SMLC“. The purpose of this procedure is to enable the SMLC to send assistance data to

46、 the MS related to position measurement and/or location calculation. Notice that RRLP protocol is not used by the MS to request assistance data, only to deliver it to the MS. The entire set of assistance data (i.e. the total amount of assistance data that the SMLC has decided to send in the current

47、procedure) may be delivered in one or several Assistance Data components. In this case steps 1 and 3 below may be repeated several times by the SMLC. If several components are sent, the SMLC shall await the acknowledgement of each component before the next Assistance Data component is sent. If Assis

48、tance Data Delivery is used as part of the Position Measurement Procedure, as described in clause 2.2, then some assistance data may be delivered in the final RRLP Measure Position Request. MSSMLC1. RRLP(Assistance Data)2. RRLP(Protocol Error)3. RRLP(Assistance Data Ack.)Figure 2.2: Assistance Data

49、Delivery procedure 1. The SMLC sends the Assistance Data component to the MS. The component includes assistance data for location measurement and/or location calculation. The RRLP message contains a reference number of the delivery. The More Assistance Data To Be Sent Element in the Assistance Data component is used by the SMLC to indicate to the MS if more Assistance Data components will be sent in the current Assistance Data Delivery procedure. 2. The MS sends a RRLP message containing the Protocol Error component to the SMLC, if there is a problem