ETSI PRI-ETS 300 043-1991 European Digital Cellular Telecommunications System (Phase 1) Terminal Adaptation Functions for Services Using Asynchronous Bearer Capabilities《欧洲数字蜂窝通信系统_1.pdf
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1、:NEELN TELECOMMUNICATION STANDARD FINAL DRAR prl-ETS 300 043 March 1991 UDC: 621.396.21 Key words: Groupe Spcial Mobile (GSM) European digital cellular telecommunications system (phase 1); Terminal adaptation functions for services using synchronous bearer capabilities (GSM 07.03) ETSI European Tele
2、communications Standards Institute ETSI Secretariat: B.P.152 F - 06561 Valbonne Cedex . France TP. + 33 92 94 42 O0 TF. + 33 83 65 47 16 Tx. 47 O0 40 F I 11 !Jl,q 1 “ .rn -I - European Telecommunications Standards Institute 1991. All rights reserved. No part may be reproduced or used except as autho
3、rised by contract or .other written permission.-Th- Fyright and the foregoing restriction on reproduction and use extend to all media in which the 7 waytion may be embodied. -AL - - 9 3404583 00L7b78 O 9 -2- -. Whilst every care has been taken in.the preparation and publication of this document, err
4、ors in .,xmtentAypographical or otherwise, may occur. If you have comments concerning its accuracyi-7 C ite to “ETSI Standards Management Dept.“ at the address shown on the title page. 7 -_ i Foreword This Interim European Telecommunication Standard (I-ETS) has been produced by the Special Mobile Gr
5、oup (GSM) Technical Committee of the European Telecommunications Standards Institute (ETSI). This I-ITS specifies the Mobile Termination (MT) interfaces and Terminal Adaptation functions which enable the attachment of synchronous terminals to MTs within the European digital cellular telecommunicatio
6、ns system (phase 1). Reference is made within this I-ETS to the following ETSI Technical Specifications (NOTE 1): GSM 02.02 Bearer services supported by a GSM PLMN (Version 3.1.1). GSM 03.10 GSM 04.02 PLMN connection ypes (Version 3.3.0). GSM PLMN access reference configuration (Version 3.0.2). GSM
7、04.08 Mobile radio interface - layer 3 specification (Version 3.1 1 .O). GSM 04.21 GSM 04.22 GSM 07.01 GSM 07.03 GSM 09.06 GSM 09.07 Rate adaptation on the Mobile Station - Base Station System (MS-BSS) interface (Version 3.2.0). Radio link protocol for data and telematic services on the MS- BSS inte
8、rface (Version 3.6.0). General on terminal adaptation functions for Mobile Stations (Version 3.10.0). Terminal adaptation functions for services using synchronous bearer capabilities (Version 3.2.0). Interworking between a PLMN and a PSPDNASDN for support of packet switched data transmission service
9、s (Version 3.0.0). General requirements on interworking between the PLMN and the ISDN or PSTN (Version 3.6.0). The above ETSI-GSM Technical Specifications, together with the annex to this standard, are normat ive. NOTE 1: The GSM Technical Committee of ETSI has constituted stable and consistent docu
10、ments which give technical specifications for the implementation of the European digital cellular telecommunications system. Historically, these documents have been identified as %SM recommendations“. Some of these recommendations may subsequently become I-ETSs or Es, whilst some may continue with t
11、he status of ETSI-GSM Technical Specifications. These SI-GSM Technical Specifications are, for editorial reasons, still referred to as GSM recommendations in current GSM documents. The ETSI-GSM Technical Cornmittee numbering and version control system remains unchanged for the ETSI-GSM Technical Spe
12、cifications. NOTE 2: Items in this draft indicated as not complete, or requiring further study or work, are not required for the phase 1 implementation of the European digital cellular telecommunications system. -3 M 3VOV583 0017b80 9 j GSM 07.03 - version -3.2.0 - 1 ETSI GSM Releaced: ETSI PT12 Dat
13、e: January 1991 Recommendation: GSM 07.03 Title: Terminal Adaptation Functions for services using Synchronous Bearer Capabilities List of Contente: O: Scope 1. General 2. Terminal Adaptation Functions for Synchronous Transparent Services 3. Terminal Adaptation Functions for Synchronous Non Transpare
14、nt Services V- and S-series Interface procedures to 04.08 mapping 4. 50 X.21 Interface procedures to 04.08 mapping 6. Support for Packet Service Annex. L2R Functionality language: English -: 36 -4. O 1 1.1 1.2 . - - GSM 07.03 version 3.2.0 - 2 SCOPE This recommendationdefines Terminal Adaptation Fun
15、ctions (TAF) which are integrated in a Mobile Termination (MT) and which enable the attachment of Synchronous Terminals to en MT ( see GSM %!.CS ) , Tha yzncrl sspszts ef Terminal Adaptation Functions are contained in recommendation GCM 07.01. This recommendation covers support of synchro- nous data
16、 services (see GSM 02.02) for the following interfaces and procedures: - v.22 - V.22bis - V.26ter - V.32 - x.21 - X.2lbis - X.25 - X.32 - V.25bis - 1.420 DTE/DCE Interface DTE/DCE Interface DTE/DCE Interface DTE/DCE Interface DTE/DCE Interface DTE/DCE Interface Procedure . Procedure Procedure Interf
17、ace (S ) LAPB is the only synchronous non-transparent protocol which is considered here. GENERAL CUSTOMER ACCESS CONFIGURATION The GSM PLMN access reference configuration is described in figure 1 of GSM 04.02. This recommendation (GSM 07.03) specifically refers to the MTs which support terminal epui
18、pments (TE1 or TE2) that use synchronous bearer capabilities. -. TERMINAL ADAPTATION FUNCTION The TAF is functionally part of an MTO, MT1 or MT2 (see .recommendation GSM 04.02.). The terminal adaptation provides facilities to allow manual or automatic call control functions associated with alternate
19、 speech/data, speech followed by data and circuit switched data services, in case of V Series interfaces. The X.21 DTE/DCE interface allows only for automatic call control functions. The following functions are included: - Conversion of electrical, mechanical, functional and procedural characteristi
20、cs of the V-series, X-series and ISDN type interfaces to those required by a GSM PLMN 1.3 3404583 00L7b82 2 rn : GSM 07.03 - version 3.2.0 - 3 Bit rate adaptation of V-series and X-series data signalling rates and the ISDN 64 kbit/s to that provided in the GSM PLMN. The mapping of V. 25bis AUTO CALL
21、/AUTO ANSWER proce- dures and X.21 prc?cedurcs to the GSM FLf4u U,-channei signalling. The mapping functions necessary to convert S-inter- face signalling to PLMN D,-channel signalling. Synchronization procedure, which means the task of synchronizing the entry to and the exit from the data transfer
22、phase between two subscriber terminals. This is described in the recommendation GSM 07.01. . Filtering of channel control information. This is described in the recommendation GSM 07.01. Compatibility checking (see GSM 07.01) Layer 2 relaying (see Annex 1) Flow control In Call Modification function (
23、see section 4) TAF INTERFACING TO OTHER MT FUNCTIONS TAF interfacing is shown in figure 1. Mobility Management , TAF RR Management Channel Codec FEC I MMI I I Call Control I Figure 1. TAF interfacing to other MT functions -6- - - L = 3404583 O037683 4 E - - GSM 07.03 - version 3.2.0 - 4 2 TERMINAL A
24、DAPTATION FUNCTIONS FOR SYNCHRONOUS TRANSPARENT SERVICES Recommendation GSM 03.10 refers to the models for connection types supporting synchronous transparent services. 2.1 RATE ADAPTATION Rate adaptation on the MS-BS interface is described in GSM 04.21. The synchronous data services make use of the
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