ETSI GSM 08 02-1997 Digital Cellular Telecommunications System (Phase 2+) Base Station System - Mobile-Services Switching Centre (BSS - MSC) Interface Interface Principles《数字蜂窝通信系统_1.pdf
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1、GSM I ECHNICAL n 3 P ECIFICATIO N GSM 08.02 April 1997 Verston 5.1.0 Source: ETSI TC-SMG Reference: TS/SMG-O30802QRl ICs: 33.020 Key words: Digital cellular telecommunications system, Global System for Mobile communications (GSM) Digital cellular telecommunications system (Phase 2+); Base Station Sy
2、stem - Mobile-services Switching Centre (BSS - MSC) interface; Interface principles (GSM 08.02) ETSI European Telecommunications Standards Institute ETSI Secretariat Postal address: F-O6921 Sophia Antipolis CEDEX - FRANCE Office address: 650 Route des Lucioles - Sophia Antipolis - Valbonne - FRANCE
3、X.400: efr, a=atlas, p=etsi, s=secretariat - Internet: secretariatetsi.fr Tel.: +33 4 92 94 42 O0 - Fax: +33 4 93 65 47 16 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. O
4、European Telecommunications Standards Institute 1997. All rights reserved. STD-ETSI GSM 08-02-ENGL 1997 9 3400855 0393939 7Lb 9 Page 2 GSM 08.02 version 5.1 .O: April 1997 Whilst every care has been taken in the preparation and publication of this document, errors in content, typographical or otherw
5、ise, may occur. If you have comments concerning its accuracy, please write to “ETSI Editing and Committee Support Dept.“ at the address shown on the title page. . - STDUETS1 GSM 08.02-ENGL 1997 m 3400855 0193940 438 m Page 3 GSM 08.02 version 5.1 .O. April 1997 Contents Foreword . 5 1 General 7 1.1
6、Scope . 7 1.2 Normative references 7 1.3 Definitions and abbreviations . 8 2 Functional division between Base Station System (BSS) and MSC . 9 Terrestrial channel management . 10 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 2.10 2.1 1 2.2.3 2.2.4 . 2.1.1 Terrestrial channel allocation 10 2.1.2 Blocking of te
7、rrestrial channels . 10 Radio channel management 10 2.2.1 Channel configuration management . 10 2.2.2 Radio TCH management 10 2.2.2.1 Radio channel allocation 10 2.2.2.2 TCH radio link supervision . 10 2.2.2.3 Frequency hopping management 10 2.2.2.4 Idle channel observation 11 2.2.2.5 TCH power cont
8、rol . 11 2.2.2.6 TCH channel release . 11 BCCH CCCH management . 11 2.2.3.1 Scheduling of BCCH and CCCH messages 11 DCCH Management 11 2.2.4.1 DCCH link supervision . 11 2.2.4.2 DCCH channel release 11 2.2.4.3 DCCH power control 11 2.2.4.4 Radio Channel Allocation 11 Resource indication . 11 Channel
9、 coding decoding 11 Transcodinghate adaptation 12 Interworking function (data calls) . 12 Measurement information 12 2.7.1 2.7.2 Uplink measurement information 12 2.7.3 Traffic information . 12 Handover . 12 2.8.1 Internal handover within one cell . 12 2.8.2 Internal handover between cells 12 2.8.3
10、External handover . 13 2.8.3.1 Recognition that a handover is required for a radio reason . 13 2.8.3.2 Recognition that a handover is required for a traffic reason 13 2.8.3.3 Decision of Target Cell 13 2.8.3.4 Execution . 13 Mobility management . 13 Call control . 13 Security features 13 2.1 1.1 Use
11、r data confidentiality 13 2.1 1.2 User identity confidentiality 13 2.1 1.3 Signalling information confidentiality . 13 2.1 1.4 Authentication of users 14 Measurement information reported from the MS 12 3 4 5 Transcoderhate adapter integration 14 Multiplexing of common and dedicated control channels
12、14 Classes of signalling messages 14 STDeETSI GSH OB=O-ENGL 1%97 II 3YP08.55 0393943 374 Page 4 GSM 08.02 version 5.1 .O. April 1997 6 Support of services and features other than speech 14 6.1 Data services . 14 6.2 Supplementary services 15 7 Interface structures . 15 8 Operation and maintenance .
13、15 Annex A (informative): Remote Mobile Switching Unit (RMSU) . 16 A.l Introduction . 16 A.2 Functions provided by the RMSU . 16 A.3 General requirements . 16 History . 17 Page 5 GSM 08.02 version 5.1 .O: April 1997 Foreword This Global System for Mobile communications Technical Specification (GTS)
14、has been produced by the Special Mobile Group (SMG) Technical Committee (TC) of the European Telecommunications Standards Institute (ETSI). This GTS gives the interface principles Base Station System (BSS) to Mobile-services Switching Centre (MSC) interface within the digital cellular telecommunicat
15、ions system. The contents of this GTS are subject to continuing work within TC-SMG and may change following formal TC-SMG approval. Should TC-SMG modify the contents of this GTS it will then be republished by ETSI with an identifying change of release date and an increase in version number as follow
16、s: Version 5.x.y where: y the third digit is incremented when editorial only changes have been incorporated in the specification; x the second digit is incremented for all other types of changes, .e. technical enhancements, corrections, updates, etc. The specification from which this GTS has been de
17、rived was originally based on CEPT documentation, hence the presentation of this GTS may not be entirely in accordance with the ETSI rules. 1 General 1.1 Scope This Global System for Mobile communications Technical Specification (GTS) gives the principles on which the detailed interface specificatio
18、ns in the rest of the GSM 08.0X series of Technical Specifications are based. The set of fixed equipment accessed from the MSC through one particular instance of the interface will be later referred to as a Base Station System (BSS). A BSS ensures the coverage of n cells, where n can be 1 or more. T
19、he function of a BSS may be further subdivided into a control function, performed by one Base Station Controller (BSC) and a transceiving function, performed by “n“ Base Transceiver Station equipments (BTS), one for each cell. However, the study of such a split is outside the scope of the 08.0 serie
20、s of Technical Specifications, where the BSS will be considered as a whole. The BSS-MSC interface defined in the GSM 08 series of Technical Specifications is designed to support a wide range of possible architectures on both sides. Characteristics like the physical location of the transcodershate ad
21、aptation inside the BSS (either integrated into the transceivers or very near to the MSC) or the use of traffic or signalling concentration at either side are left to the operators choice. Annex A to this GTS contains guidance information concerning the use of remote mobile switching units, which fo
22、r the purposes of this GTS are considered as part of the MSC. Direct connection between two BSSs is not supported by this interface. This interface is based on the use of 1 or more 2 048 kbiffs digital transmission system interfaces. Each 2 048 kbiffs interface provides 31*64 kbiffs channels which c
23、an be used for traffic or signalling as the operator requires. The signalling is layered, terminology similar to that in the OS1 reference model is used in this series, however the layers referred to are not identical to the equivalently named layer in the OS1 model. This interface is defined at the
24、 boundary of the MSC and has a per channel bit rate of 64 kbiWs, but the net radio path traffic channel is at a rate of less than 16 kbiffs. A transcoder or rate adapter function is thus needed for the rate conversion. The interface is designed such that the transcoding or rate adaptation function m
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