1、ETSI EN 300 945 V7.0.3 (1999-12)European Standard (Telecommunications series)Digital cellular telecommunications system (Phase 2+);Rate adaption on the Mobile Station - Base Station System(MS - BSS) Interface(GSM 04.21 version 7.0.3 Release 1998)GLOBAL SYSTEM FORMOBILE COMMUNICATIONSRETSIETSI EN 300
2、 945 V7.0.3 (1999-12)2(GSM 04.21 version 7.0.3 Release 1998)ReferenceREN/SMG-040421Q7 (8r003i20.PDF)KeywordsDigital cellular telecommunications system,Global System for Mobile communications (GSM)ETSIPostal addressF-06921 Sophia Antipolis Cedex - FRANCEOffice address650 Route des Lucioles - Sophia A
3、ntipolisValbonne - FRANCETel.:+33492944200 Fax:+33493654716Siret N 348 623 562 00017 - NAF 742 CAssociation but non lucratif enregistre laSous-Prfecture de Grasse (06) N 7803/88Internetsecretariatetsi.frIndividual copies of this ETSI deliverablecan be downloaded fromhttp:/www.etsi.orgIf you find err
4、ors in the present document, send yourcomment to: editoretsi.frImportant noticeThis ETSI deliverable may be made available in more than one electronic version or in print. In any case of existing orperceived difference in contents between such versions, the reference version is the Portable Document
5、 Format (PDF).In case of dispute, the reference should be the printing on ETSI printers of the PDF version kept on a specific networkdrive within ETSI Secretariat.Copyright NotificationNo part may be reproduced except as authorized by written permission.The copyright and the foregoing restriction ex
6、tend to reproduction in all media. European Telecommunications Standards Institute 1999.All rights reserved.ETSIETSI EN 300 945 V7.0.3 (1999-12)3(GSM 04.21 version 7.0.3 Release 1998)ContentsIntellectual Property Rights5Foreword.51 Scope 62 References62.1 Abbreviations and definitions.73 General app
7、roach .73.1 Overview of data rates and configurations .74 The RA0 Function104.1 Asynchronous-to-Synchronous Conversion (RA0).104.2 Break signal104.3 Overspeed/Underspeed.104.4 Parity Bits.104.5 Flow Control.115 The RA1 Function115.1 Adaptation of synchronous data rates up to 38,4 kbit/s 115.1.1 Netw
8、ork Independent Clocking 125.1.1.1 Multiframe Structure .125.1.1.2 Encoding and compensation126 The RA1 function .136.1 Rate adaptation of 48 kbit/s user rates with DTE/DCE status to 64 kbit/s .136.2 Rate adaptation of 56 kbit/s user rate to 64 kbit/s.137 The RA2 Function148 The RA1/RA1 Function 148
9、.1 Single slot rates 148.1.1 Radio interface rate of 14,5 kbit/s 158.1.1.1 Multiframe structure over the radio-interface158.1.1.2 Radio-interface data block for TCH/F14.4 channel coding178.1.2 Radio Interface rate of 12 kbit/s178.1.4 Radio Interface rate of 6 kbit/s188.1.5 Radio Interface rate of 3,
10、6 kbit/s (transparent services only)198.1.6 Synchronisation.198.1.7 Idle frames 198.2 Multislot rates.198.2.1 TCH/F14.4 multislot operation.208.2.2 AIURs up to 38,4 kbit/s using TCH/F9.6 and TCH/F4.8 channel codings.208.2.3 AIURs up to 38,4 kbit/s using TCH/F14.4 channel coding .208.2.4 AIUR of 48 k
11、bit/s; Intermediate rate of 64 kbit/s; Radio interface rate of 5 x 12 kbit/s .218.2.5 AIUR of 48 kbit/s; Intermediate rate of 64 kbit/s; Radio interface rate of 4 x 14,5 kbit/s 218.2.6 AIUR of 56 kbit/s; Intermediate rate of 64 kbit/s; 218.2.7 AIUR of 56 kbit/s; Intermediate rate of 64 kbit/s; Radio
12、 interface rate of 4 x 14,5 kbit/s 228.2.8 AIUR of 64 kbit/s; Radio interface rate of 6 x 12 kbit/s .228.2.9 AIUR of 64 kbit/s; Radio interface rate of 5 x 14,5 kbit/s 229 The RA1 Function .229.1 Synchronous user rates up to 9,6 kbit/s 239.2 Synchronous user rates from 9,6 kbit/s onward; TCH/F9.6/4.
13、8 channel codings.239.3 Synchronous user rates from 9,6 kbit/s onward; TCH/F14.4 channel coding.2310 The Split/Combine and Padding-functions 2410.1 Data frame distribution into the substreams/channels by the Split/Combine function2410.1.1 Data frame distribution into the substreams/channels by the S
14、plit/Combine function (TCH/F9.6 andTCH/F4.8 channel codings)24ETSIETSI EN 300 945 V7.0.3 (1999-12)4(GSM 04.21 version 7.0.3 Release 1998)10.1.2 Data block distribution into the substreams by the Split/Combine function (TCH/F14.4 channelcoding)2410.2 Substream numbering in transparent operation 2510.
15、2.1 Substream numbering for TCH/F14.4 channel coding2510.3 Substream Synchronisation.2610.4 Network independent clocking.2610.4.1 Network Independent Clocking for TCH/F14.4 channel coding (both single- and multilinks).2610.4.1.1 Negative compensation .2610.4.1.2 Positive compensation.2610.5 Padding
16、TCH/F frames when the AIUR is not a multiple of 9,6 or 4,8 kbit/s 2710.5.1 Padding for TCH/F14.4 channel coding .2711 Support of Non-Transparent Bearer Services 2711.1 Support of non-transparent operation for TCH/F9.6 and TCH/F4.8 channel codings2711.2 Support of non-transparent operation for TCH/F1
17、4.4 channel coding .2812 Figures on Frame structures.28Annex A (informative): Stacks of rate adaptation 33A.1 Stacks of rate adaptation for 9,6/4,8 kbit/s single slot operation.33A.2 Stacks of rate adaptation for 14,4 kbit/s single slot operation .34A.3 Stacks of rate adaptation for 9,6/4,8 kbit/s m
18、ulti slot operation 36A.4 Stacks of rate adaptation for 14,4 kbit/s multi slot operation 37Annex B (informative): An example of mapping Network Independent Clocking informationfor TCH/F14.4 when the S-interface is deployed: 39Annex C (informative): Change history .40History 41ETSIETSI EN 300 945 V7.
19、0.3 (1999-12)5(GSM 04.21 version 7.0.3 Release 1998)Intellectual Property RightsIPRs essential or potentially essential to the present document may have been declared to ETSI. The informationpertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can b
20、e foundin SR 000 314: “Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respectof ETSI standards“, which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server(http:/www.etsi.org/ipr).Pursuant to the ETSI IPR Poli
21、cy, no investigation, including IPR searches, has been carried out by ETSI. No guaranteecan be given as to the existence of other IPRs not referenced in 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 European Stan
22、dard (Telecommunications series) has been produced by Technical Committee Special MobileGroup (SMG).The present document defines the rate adaptation functions to be used in Mobile Stations (MS) for adapting terminalinterface data rates to the Mobile Station - Base Station System (MS - BSS) interface
23、 data rates within the digitalcellular telecommunications system.The contents of the present document is subject to continuing work within SMG and may change following formal SMGapproval. Should SMG modify the contents of the present document, it will be re-released by SMG with an identifyingchange
24、of release date and an increase in version number as follows:Version 7.x.ywhere:7 Indicates GSM Phase 2+ Release 1998;x the second digit is incremented for technical enhancements, corrections, updates, etcy the third digit is incremented when editorial only changes have been incorporated in the spec
25、ification;National transposition datesDate of adoption of this EN: 3 December 1999Date of latest announcement of this EN (doa): 31 March 2000Date of latest publication of new National Standardor endorsement of this EN (dop/e): 30 September 2000Date of withdrawal of any conflicting National Standard
26、(dow): 30 September 2000ETSIETSI EN 300 945 V7.0.3 (1999-12)6(GSM 04.21 version 7.0.3 Release 1998)1 ScopeThe present document defines the rate adaptation functions to be used in GSM PLMN Mobile Stations (MS)s foradapting terminal interface data rates to the Mobile Station - Base Station System (MS-
27、BSS) interface data rates inaccordance with GSM 03.10 3.The provision of these functions will depend on the services a particular station is designed to support.NOTE: The present document should be considered together with GSM 08.20 9 (Rate Adaptation on theBSS-MSC Interface) to give a complete desc
28、ription of PLMN rate adaptation.2 ReferencesThe following documents contain provisions which, through reference in this text, constitute provisions of the presentdocument. References are either specific (identified by date of publication, edition number, version number, etc.) ornon-specific. For a s
29、pecific reference, subsequent revisions do not apply. For a non-specific reference, the latest version applies. A non-specific reference to an ETS shall also be taken to refer to later versions published as an EN with the samenumber. For this Release 1998 document, references to GSM documents are fo
30、r Release 1998 versions (version 7.x.y).1 GSM 01.04: “Digital cellular telecommunication system (Phase 2+); Abbreviations and acronyms“.2 GSM 02.34: “Digital cellular telecommunications system (Phase 2+); High Speed Circuit SwitchedData (HSCSD) -Stage 1“.3 GSM 03.10: “Digital cellular telecommunicat
31、ion system (Phase 2+); GSM Public Land MobileNetwork (PLMN) connection types“.4 GSM 03.34: “Digital cellular telecommunications system (Phase 2+); High Speed Circuit SwitchedData (HSCSD) - Stage 2 Service Description“.5 GSM 05.03: “Digital cellular telecommunications system (Phase 2+); Channel codin
32、g“.6 GSM 07.01: “Digital cellular telecommunication system (Phase 2+); General on TerminalAdaptation Functions (TAF) for Mobile Stations (MS)“.7 GSM 07.02: “Digital cellular telecommunications system (Phase 2+); Terminal AdaptationFunctions (TAF) for services using asynchronous bearer capabilities“.
33、8 GSM 07.03: “Digital cellular telecommunications system (Phase 2+); Terminal AdaptationFunctions (TAF) for services using synchronous bearer capabilities“.9 GSM 08.20: “Digital cellular telecommunication system (Phase 2+); Rate adaption on the BaseStation System - Mobile-services Switching Centre (
34、BSS - MSC) interface“.10 CCITT Recommendation V.110: “Support of data terminal equipments (DTEs) with V-Seriesinterfaces by an integrated services digital network“.11 CCITT Recommendation X.30: “Support of X.21,X.21 bis and X.20 bis based terminalequipments (DTEs) by integrated services digital netw
35、ork (ISDN)“.ETSIETSI EN 300 945 V7.0.3 (1999-12)7(GSM 04.21 version 7.0.3 Release 1998)2.1 Abbreviations and definitionsAbbreviations used in the present document are listed in GSM 01.04.Overall data stream: The data stream in those parts of the network where the data flow is not split into multiple
36、channels.Substream: Stream of data with explicit or implicit numbering between splitter and combiner functions.Channel: A physical full rate channel on the radio interface (TCH/F) independent of the contentsMultislot intermediate rate: Intermediate rate per substream in those parts of the network wh
37、ere the overall datastream is split into substreams.Intermediate rate: Intermediate rate in the overall data stream.Substream rate: The user rate including padding, if applicable, on one individual substream.3 General approachGSM 03.10 defines the PLMN connection types necessary to support the GSM P
38、LMN data and telematic services.Within the MS there are several different data rate adaptation functions - and a Split/Combine-function in case of amultislot data configuration - which are combined as shown in GSM 03.10 as part of the connection type.The rate adaptation functions are RA0, RA1, RA2,
39、RA1, RA1 and RA1/RA1. The RA0, RA1 and RA2 are equivalentto those functions described in CCITT recommendation V.110 11.The RA1 function is similar to RA1 but has a reduced bit rate output compatible with the coding scheme proposed fordata services on the radio interface.The RA1 function is used for
40、converting between synchronous user rates of 48 and 56 kbit/s and the rate 64 kbit/s. Theequivalent function in CCITT recommendation V.110 does not have a name.The RA1/RA1 is a relay function, used as indicated in GSM 03.10.In multislot data-configurations the overall data stream is split into paral
41、lel substreams between the Split/Combine-functions.3.1 Overview of data rates and configurationsIn Table 1, an overview of the supported transparent air-interface user rates is given. For each rate, also intermediaterates per channel between BTS and MSC, overall radio interface rates, and channel co
42、nfigurations are given. For singleslot connections the intermediate rates are per channel carrying the overall data stream, whereas for multislotconnections, the intermediate rates are per substream.In Table 2, intermediate rates within the MS, overall radio interface rates, and channel configuratio
43、ns are given for theair-interface user rates. The intermediate rates are per overall data stream.For single slot rates up to 4,8 kbit/s, the used intermediate rate is 8 kbit/s, and for the 9,6 kbit/s single slot rate 16 kbit/s.For TCH/F9.6 and TCH/F4.8 channel codings, the multislot intermediate rat
44、es are 16 and 8 kbit/s per TCH/F,respectively.For TCH/F14.4 channel coding, the multislot intermediate rate is 16 kbit/s per TCH/F.Between the TE and the Split/Combine-function at the MS, where the overall data stream is not split, intermediate ratesof 8, 16, 32 and 64 kbit/s are applicableETSIETSI
45、EN 300 945 V7.0.3 (1999-12)8(GSM 04.21 version 7.0.3 Release 1998)Table 1: AIUR/Multislot intermediate ratesAir interface userrateDTE/DCEstatusesRA0 RA1/RA1RA1/RAARA1Multislot intermediaterateFrame type Radio interfaceratePadding 600 bit/s X X 8 kbit/s 80 bit frames 3,6 kbit/s1200 bit/s X X 8 kbit/s
46、 80 bit frames 3,6 kbit/s2,4 kbit/s X X 8 kbit/s 80 bit frames 3,6 kbit/s4,8 kbit/s X X 8 kbit/s 80 bit frames 6 kbit/s9,6 kbit/s X X 16 kbit/s or 28 kbit/s 80 bit frames 12 kbit/s or 26kbit/s14,4 kbit/s X X 216 kbit/s or 38 kbit/s 80 bit frames 212 kbit/s or36 kbit/sP(note 1)16 kbit/sNote 7Note 8 1
47、4,5 kbit/s19,2 kbit/s X X 216 kbit/s or 48 kbit/s 80 bit frames 212 kbit/s or46 kbit/s28,8 kbit/s X X 316 kbit/s 80 bit frames 312 kbit/s2 x 16 kbit/sNote 7Note 8 214,5 kbit/s38,4 kbit/s X X 416 kbit/s 80 bit frames 412 kbit/s P(note 6)3 x 16 kbit/sNote7Note 8 314,5 kbit/s48 kbit/s X Note 2 Note 2 5
48、12 kbit/s P(note 6)4 x 16 kbit/sNote7Note 8 414,5 kbit/s56 kbit/s Note 2 Note 2 512 kbit/s (note3)P(note 6)4x16 kbit/sNote7Note 8 414,5 kbit/s64 kbit/s Note 2 Note 2 612 kbit/s (note3)P(note 1)514,5 kbit/s (note 6)P=Padding usedETSIETSI EN 300 945 V7.0.3 (1999-12)9(GSM 04.21 version 7.0.3 Release 19
49、98)Table 2: AIUR / Intermediate ratesAir interface userrateDTE/DCEstatusesRA0 RA1 RA1Intermediate rate Frame type Radio interfaceratePadding 600 bit/s X X 8 kbit/s 80 bit frames 3,6 kbit/s1200 bit/s X X 8 kbit/s 80 bit frames 3,6 kbit/s2,4 kbit/s X X 8 kbit/s 80 bit frames 3,6 kbit/s4,8 kbit/s X X 8 kbit/s 80 bit frames 6 kbit/s9,6 kbit/s X X 16 kbit/s 80 bit frames 12 kbit/s or26 kbit/s14,4 kbit/s X X 32 kbit/s 80 bit frames 212 kbit/s or 36kbit/s1x14,5 kbit/sP(note 1)19,2 kbit/s X X 32 kbit/s 80 bit fra
