3G TS 24.002 V3.0.

0 (2000-03)
Technical Specification

3rd Generation Partnership Project; Technical Specification Group TSGN; GSM - UMTS Public Land Mobile Natwork (PLMN) access reference configuration (Release 1999)

The present document has been developed within the 3 Generation Partnership Project (3GP P ) and may be further elaborated for the purposes of 3GPP. The present document has not been subject to any approval process by the 3GPP Organisational Partners and shall not be implemented. This Specification is provided for future development work within 3GPP only. The Organisational Partners accept no liability for any use of this Specification. TM Specifications and reports for implementation of the 3GPP system should be obtained via the 3GPP Organisational Partners' Publications Offices.

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Keywords
3GPP,CN

3GPP Postal address

3GPP support office address

650 Route des Lucioles - Sophia Antipolis Valbonne - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16

Internet
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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.
2000, 3GPP Organizational Partners (ARIB, CWTS, ETSI, T1, TTA,TTC). All rights reserved.

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Contents
Foreword ................................................................................................................................................4 1
1.1 1.2

Scope ............................................................................................................................................4
References............................................................................................................................................................................. 4 Abbreviations....................................................................................................................................................................... 6

2
2.1 2.2 2.3 2.4

General definitions ..........................................................................................................................6

Reference Configurations................................................................................................................................................... 6 Functional Groups ............................................................................................................................................................... 6 Reference Points .................................................................................................................................................................. 6 GSM Interface Points .......................................................................................................................................................... 7

3
3.1 3.2

GSM Reference Configuration ........................................................................................................7

Mobile Termination (MT)................................................................................................................................................... 7 Base Station + MSC (BS/MSC).......................................................................................................................................... 8

Physical Realisation........................................................................................................................8

Annex <A> (informative): Change history........................................................................................ 9

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Foreword
This Technical Specification has been produced by the 3 Generation Partnership Project (3GPP). The 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 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, etc. z the third digit is incremented when editorial only changes have been incorporated in the document.
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Scope

The present document describes the reference configuration for access to a GSM PLMN. A user accesses a GSM PLMN via a number of interfaces, including the MS-BS interface. The purpose of this Technical Specification is to indicate the possible access arrangements that may be used in conjunction with the MS-BS interface.

1.1

References

The following documents contain provisions which, through reference in this text, constitute provisions of the present document. [1] [2] [3] [4] [5] 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. A non-specific reference to an ETS shall also be taken to refer to later versions published as an EN with the same number. For this Release 1998 document, references to GSM documents are for Release 1998 versions (version 7.x.y). GSM 01.04: "Digital cellular telecommunications system (Phase 2+); Abbreviations and acronyms". GSM 02.02: "Digital cellular telecommunications system (Phase 2+); Bearer Services (BS) supported by a GSM Public Land Mobile Network (PLMN)". GSM 04.01: "Digital cellular telecommunications system (Phase 2+); Mobile Station - Base Station System (MS - BSS) interface General aspects and principles". GSM 04.03: "Digital cellular telecommunications system (Phase 2+); Mobile Station - Base Station System (MS - BSS) interface Channel structures and access capabilities". GSM 04.04: "Digital cellular telecommunications system (Phase 2+); layer 1 General requirements".

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[6] [7] [8] [9] [10] [11] [12] [13] [14] [15]

GSM 04.05: "Digital cellular telecommunications system (Phase 2+); Data Link (DL) layer General aspects". GSM 04.06: "Digital cellular telecommunications system (Phase 2+); Mobile Station - Base Station System (MS - BSS) interface Data Link (DL) layer specification". GSM 04.07: "Digital cellular telecommunications system (Phase 2+); Mobile radio interface signalling layer 3 General aspects". GSM 04.08: "Digital cellular telecommunications system (Phase 2+); Mobile radio interface layer 3 specification". GSM 04.10: "Digital cellular telecommunications system (Phase 2+); Mobile radio interface layer 3 Supplementary services specification General aspects". GSM 04.11: "Digital cellular telecommunications system (Phase 2+); Point-to-Point (PP) Short Message Service (SMS) support on mobile radio interface". GSM 04.12: "Digital cellular telecommunications system (Phase 2+); Short Message Service Cell Broadcast (SMSCB) support on the mobile radio interface". GSM 04.13: "Digital cellular telecommunications system (Phase 2+); Performance requirements on mobile radio interface". GSM 04.21: "Digital cellular telecommunications system (Phase 2+); Rate adaption on the Mobile Station - Base Station System (MS - BSS) interface". GSM 04.22: "Digital cellular telecommunications system (Phase 2+); Radio Link Protocol (RLP) for data and telematic services on the Mobile Station - Base Station System (MS - BSS) interface and the Base Station System - Mobile-services Switching Centre (BSS - MSC) interface". GSM 04.80: "Digital cellular telecommunications system (Phase 2+); Mobile radio interface layer 3 supplementary services specification Formats and coding". GSM 04.81: "Digital cellular telecommunications system (Phase 2+); Line identification supplementary services - Stage 3". GSM 04.82: "Digital cellular telecommunications system (Phase 2+); Call Forwarding (CF) supplementary services - Stage 3". GSM 04.83: "Digital cellular telecommunications system (Phase 2+); Call Waiting (CW) and Call Hold (HOLD) supplementary services - Stage 3". GSM 04.84: "Digital cellular telecommunications system (Phase 2+); MultiParty (MPTY) supplementary services - Stage 3". GSM 04.85: "Digital cellular telecommunications system (Phase 2+); Closed User Group (CUG) supplementary services - Stage 3". GSM 04.86: "Digital cellular telecommunications system (Phase 2+); Advice of Charge (AoC) supplementary services - Stage 3". GSM 04.88: "Digital cellular telecommunications system (Phase 2+); Call Barring (CB) supplementary services - Stage 3". GSM 04.90: "Digital cellular telecommunications system (Phase 2+); Unstructured supplementary services operation - Stage 3". GSM 05.01: "Digital cellular telecommunications system (Phase 2+); Physical layer on the radio path General description". GSM 05.02: "Digital cellular telecommunications system (Phase 2+); Multiplexing and multiple access on the radio path".

[16] [17] [18] [19] [20] [21] [22] [23] [24] [25] [26]

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[27] [28] [29] [30] [31] [32] [33] [34] [35] [36] [37] [38]

GSM 05.03: "Digital cellular telecommunications system (Phase 2+); Channel coding". GSM 05.04: "Digital cellular telecommunications system (Phase 2+); Modulation". GSM 05.05: "Digital cellular telecommunications system (Phase 2+); Radio transmission and reception". GSM 05.08: "Digital cellular telecommunications system (Phase 2+); Radio subsystem link control". GSM 05.10: "Digital cellular telecommunications system (Phase 2+); Radio subsystem synchronisation". GSM 05.90: "Digital cellular telecommunications system (Phase 2+); GSM Electro Magnetic Compatibility (EMC) considerations". GSM 07.01: "Digital cellular telecommunications system (Phase 2+); General on Terminal Adaptation Functions (TAF) for Mobile Stations (MS)". GSM 07.02: "Digital cellular telecommunications system (Phase 2+); Terminal Adaptation Functions (TAF) for services using asynchronous bearer capabilities". GSM 07.03: "Digital cellular telecommunications system (Phase 2+); Terminal Adaptation Functions (TAF) for services using synchronous bearer capabilities". CCITT Series V Recommendations: "Data communication over the Telephone network". CCITT Series X Recommendations: "Data communication networks". CCITT Recommendation I.420: "Basic user-network interface".

1.2

Abbreviations

Abbreviations used in the present document are listed in GSM 01.04.

2
2.1

General definitions
Reference Configurations

The following definitions 2.1-2.3 are based on those used for ISDN.

Reference Configurations are conceptual configurations useful in identifying access arrangements to a network. Two concepts are used in defining reference configurations: reference points and functional groups.

2.2

Functional Groups

Functional Groups are sets of functions which may be needed in network access arrangements. In a particular access arrangement, specific functions in a functional group may or may not be present. Note that specific functions in a functional group may be performed in one or more pieces of equipment.

2.3

Reference Points

Reference Points are the conceptual points dividing functional groups. In a specific access arrangement, a reference point may correspond to a physical interface between pieces of equipment, or there may not be any physical interface corresponding to the reference point. The following definition is used in the present document:

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2.4

GSM Interface Points

GSM Interface Points are reference points within a GSM PLMN at which a GSM specified interface is always identified.

GSM Reference Configuration

<--------Mobile Station (MS)--------->| | +-------+ | +----------+ | MT0 +----+--------| BS/MSC | +-------+ | +----------+ +-----+ +-----+ | +----------+ | TE1 +--+----| MT1 +-----+--------| BS/MSC | +-----+ | +-----+ | +----------+ +-----+ +-----+ | +-----+ | +----------+ | TE2 +--+--| TA +--+----| MT1 +-----+--------| BS/MSC | +-----+ | +-----+ | +-----+ | +----------+ +-----+ | |S +-----+ | +----------+ | TE2 +--+----------------| MT2 +-----+--------| BS/MSC | +-----+ | +-----+ | +----------+ | | R Um
Figure 1: GSM PLMN Access Reference Configuration

The reference configuration for GSM PLMN access interfaces is shown in figure 1.

The terminal equipment functional groups TE1, TE2 and TA are conceptually the same functional groups as those in the ISDN. The two new functional groups are:

3.1
-

Mobile Termination (MT)

radio transmission termination; radio transmission channel management; terminal capabilities, including presentation of a man-machine interface to a user; speech encoding/decoding; error protection for all information sent across the radio path. This includes FEC (forward error correction) and, for signalling and user data (except for transparent data services), ARQ (automatic request forretransmission); flow control of signalling and mapping of user signalling to/from PLMN access signalling; flow control of user data (except for transparent data services) and mapping of flow control for asynchronous transparent data services; rate adaptation of user data between the radio channel rate and user rates; multiple terminal support; mobility management.

which performs the following functions:

There are three types of MT: MT0 includes functions belonging to the functional group MT, with support of no terminal interfaces. MT1 includes functions belonging to the functional group MT, and with an interface that complies with the GSM recommmended subset of the ISDN user-network interface specifications. MT2 includes functions belonging to the functional group MT, and with an interface that complies with the GSM 07.0x series Terminal Adaptation Function specifications. Accordingly, the interchange circuit mapping at the

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MT2 to TE interface shall comply with the CCITT V.24 or X.21 recmmendations; while the physical implementation shall conform either to the CCITT V.28, or V.11, or to the IrDA IrPHY, or to the PCMCIA 2.1, or to the PC-Card 3.0 electrical specification, or to later revisions. The MT plus any TE/(TE + TA) constitutes the Mobile Station, MS.

3.2
-

Base Station + MSC (BS/MSC)

radio transmission termination; speech transcoding; radio transmission channel management; error protection for all information sent across the radio path. This includes FEC (forward error correction) and for signalling and user data (except for transparent data services), ARQ (automatic request for retransmission); link layer functions for signalling across the radio path; MS-BS circuit establishment and release functions; handover functions; rate adaptation of user data.

which include the following functions:

Physical Realisation

In a GSM PLMN, the reference point Um is a GSM interface point, i.e. it is always implemented as a physical interface (according to GSM Technical Specifications in the 04 and 05 series). The reference points S and R may be optionally implemented as physical interfaces. The implementation of interfaces at these reference points is according to Technical Specifications GSM 07.01, 07.02 and 07.03. Figure 2 gives examples of configurations illustrating combinations of physical interfaces at reference points R and S. The examples shown are not exhaustive, but only serve to illustrate possible implementations of the respective functional blocks. Example (a) of figure 2 illustrates a fully integrated MS including data terminal functions within the mobile station equipment. Example (b) of figure 2 illustrates the connection of a TE1 in accordance with Technical Specifications GSM 07.02/07.03 (and CCITT Recommendation I.420). In this example the speech service is offered via the TE1. Example (c) of figure 2 illustrates the connection of a TE2 by a CCITT X or V series interface according to Technical Specifications GSM 07.02 and 07.03. Example (d) of figure 2 illustrates the connection of a MT2 PCMCIA card to a TE2 by a PCMCIA 2.1 interface according to the Technical Specifications GSM 07.02 and 07.03. Example (e) of figure 2 illustrates the connection of a TE2 by means of an ISDN TA to the MT equipment. Example (f) of figure 2 illustrates the connection of a speech only MS.

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9 +---------------------+ +-----------+ | Mobile | | | | Data +-----//--| Base | | Terminal [MT0] | | Station | +---------------------+ +-----------+

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(a)

(b)

+-------------------+ +-------+ +-----------+ | ISDN | | | | | | speech + data +-------//--| [MT1] +--//--| Base | | workstation [TE1] | | | | Station | +-------------------+ +-------+ +-----------+ +----------------+ +-------+ +-----------+ | X.21 and V.11 | | | | | | DTE +----------//--| [MT2] +--//--| Base | | [TE2] | | | | Station | +----------------+ +-------+ +-----------+ +----------------+ +-------+ +-----------+ | V.24 | | | | | | and PCMCIA 2.1 | | | | | | DTE +-------------//-| [MT2] +-//-| Base | | [TE2] | | | | Station | +----------------+ +-------+ +-----------+ +----------------+ +------+ +-------+ +-----------+ | V- or X | | | | | | | | | | ISDN | | | | | | DTE +-//-| TA +-//-| [MT1] +-//-| Base | | [TE2] | | [TA] | | | | Station | +----------------+ +------+ +-------+ +-----------+ +---------------------+ +-----------+ | Speech-only MS | | | | +-----//--| Base | | [MT0] | | Station | +---------------------+ +-----------+

(c)

(d)

(e)

(f)

Figure 2: Examples of physical implementations

Annex <A> (informative): Change history

Change history
Date TSG # 30.3.2000 CN#7 TSG Doc. CR Rev Subject/Comment Transferred to 3GPP for R99 (from GSM 04.02 v7.0.0). Old New 3.0.0

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