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ETSI TS 148 060 V4.1.0 (2002-02)Technical Specification

Digital cellular telecommunications system (Phase 2+); In-band control of remote transcoders and rate adaptors for full rate traffic channels (3GPP TS 48.060 version 4.1.0 Release 4)

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GLOBAL SYSTEM FOR MOBILE COMMUNICATIONS

3GPP TS 48.060 version 4.1.0 Release 4

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ETSI TS 148 060 V4.1.0 (2002-02)

ReferenceRTS/TSGG-0148060Uv4R1

KeywordsGSM

ETSI650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16Siret N 348 623 562 00017 - NAF 742 C Association but non lucratif enregistre la Sous-Prfecture de Grasse (06) N 7803/88

Important noticeIndividual 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 perceived 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 be 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, send your comment to: editor@etsi.fr

Copyright NotificationNo 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 2002. All rights reserved.

ETSI

3GPP TS 48.060 version 4.1.0 Release 4

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ETSI TS 148 060 V4.1.0 (2002-02)

Intellectual Property RightsIPRs essential or potentially essential to the present 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 respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web 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 may be, or may become, essential to the present document.

ForewordThis 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 being references to the corresponding ETSI deliverables. The cross reference between GSM, UMTS, 3GPP and ETSI identities can be found under www.etsi.org/key .

ETSI

3GPP TS 48.060 version 4.1.0 Release 4

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ETSI TS 148 060 V4.1.0 (2002-02)

ContentsIntellectual Property Rights ................................................................................................................................2 Foreword.............................................................................................................................................................2 Foreword.............................................................................................................................................................5 1 2 3 4 5 Scope ........................................................................................................................................................6 References ................................................................................................................................................6 Abbreviations ...........................................................................................................................................7 General Approach.....................................................................................................................................8 Frame Structure ......................................................................................................................................10Frames for Speech Services..............................................................................................................................10 Frames for Full Rate and Enhanced Full Rate Speech................................................................................10 Frames for Adaptive Multi-Rate Speech ....................................................................................................11 O&M Frames....................................................................................................................................................12 Data Frames......................................................................................................................................................13 Data Frame (for Synchronisation) ..............................................................................................................13 Extended data frame (E-TRAU : data transport) ........................................................................................14 Idle Speech Frames ..........................................................................................................................................15 Coding ..............................................................................................................................................................15 Coding of Frames for Speech Services .......................................................................................................16 Coding of Frames for Full Rate and Enhanced Full Rate Speech .........................................................16 Coding of Control bits (C-bits)........................................................................................................16 Coding of Data Bits (D-bits) ...........................................................................................................17 Time Alignment Bits (T1T4).......................................................................................................17 Coding of Frames for Adaptive Multi-Rate Speech..............................................................................18 Coding of Control bits (C-bits)........................................................................................................18 Coding of Data bits (D-bits) ............................................................................................................20 Time Alignment Bits (T1T4).......................................................................................................23 Coding of O&M Frames .............................................................................................................................24 Coding of Data Frames ...............................................................................................................................24 Coding of Extended Data Frames ...............................................................................................................24 Coding of Idle Speech Frames....................................................................................................................25 Order of Bit Transmission ................................................................................................................................25 Remote Control of Transcoders and Rate Adaptors .........................................................................................25 Resource Allocation .........................................................................................................................................26 Resource Release..............................................................................................................................................26 In Call Modification .........................................................................................................................................26 Transfer of Idle Frames, Handling of Missing Data.........................................................................................27 In Full Rate data case..................................................................................................................................27 In Full Rate speech case..............................................................................................................................27 In Enhanced Full Rate speech case .............................................................................................................27 In Adaptive Multi-Rate speech case ...........................................................................................................27 Procedures for Speech Services........................................................................................................................27 Time Alignment of Speech Service Frames ...............................................................................................27 Initial Time Alignment State.................................................................................................................28 The Static Time Alignment State ..........................................................................................................28 Phase Alignment of Codec_Mode_Indication for AMR .................................................................29 Initiatio