ITU-R M 1073-3-2012 Digital cellular land mobile telecommunication systems《数字蜂窝陆地移动通信系统》.pdf
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1、 Recommendation ITU-R M.1073-3(03/2012)Digital cellular land mobile telecommunication systemsM SeriesMobile, radiodetermination, amateurand related satellite servicesii Rec. ITU-R M.1073-3 Foreword The role of the Radiocommunication Sector is to ensure the rational, equitable, efficient and economic
2、al use of the radio-frequency spectrum by all radiocommunication services, including satellite services, and carry out studies without limit of frequency range on the basis of which Recommendations are adopted. The regulatory and policy functions of the Radiocommunication Sector are performed by Wor
3、ld and Regional Radiocommunication Conferences and Radiocommunication Assemblies supported by Study Groups. Policy on Intellectual Property Right (IPR) ITU-R policy on IPR is described in the Common Patent Policy for ITU-T/ITU-R/ISO/IEC referenced in Annex 1 of Resolution ITU-R 1. Forms to be used f
4、or the submission of patent statements and licensing declarations by patent holders are available from http:/www.itu.int/ITU-R/go/patents/en where the Guidelines for Implementation of the Common Patent Policy for ITU-T/ITU-R/ISO/IEC and the ITU-R patent information database can also be found. Series
5、 of ITU-R Recommendations (Also available online at http:/www.itu.int/publ/R-REC/en) Series Title BO Satellite delivery BR Recording for production, archival and play-out; film for television BS Broadcasting service (sound) BT Broadcasting service (television) F Fixed service M Mobile, radiodetermin
6、ation, amateur and related satellite services P Radiowave propagation RA Radio astronomy RS Remote sensing systems S Fixed-satellite service SA Space applications and meteorology SF Frequency sharing and coordination between fixed-satellite and fixed service systems SM Spectrum management SNG Satell
7、ite news gathering TF Time signals and frequency standards emissions V Vocabulary and related subjects Note: This ITU-R Recommendation was approved in English under the procedure detailed in Resolution ITU-R 1. Electronic Publication Geneva, 2012 ITU 2012 All rights reserved. No part of this publica
8、tion may be reproduced, by any means whatsoever, without written permission of ITU. Rec. ITU-R M.1073-3 1 RECOMMENDATION ITU-R M.1073-3 Digital cellular land mobile telecommunication systems (1994-1997-2005-2012) Scope This Recommendation recommends the technical and operational characteristics of d
9、igital cellular land mobile telecommunication systems for international and regional use. By providing associated references to the specifications for each technology, the Recommendation provides guidance for administrations evaluating various cellular systems for their intended applications. The IT
10、U Radiocommunication Assembly, considering a) that digital signals in various formats are being used to improve the communications efficiency of the land mobile service; b) that digital transmission systems which are not compatible with existing land mobile systems should also be considered, includi
11、ng the transmission of digitally encoded speech signals; c) that mobile telephone services, i.e. services for public correspondence via radio stations connected to the public switched telephone network (PSTN), are in operation in a number of countries and that their use is extending; d) that the var
12、ious technical systems already in use or proposed for such services, are not necessarily compatible; e) that system compatibility is necessary in the case of international operation; f) that for international operation it is desirable to agree on the parameters of the system; g) the need to improve
13、spectrum utilization efficiency and hence system capacity per MHz per unit area; h) the need for a flexible system structure able to match network investment to revenue growth, readily adapting to environmental factors and responding to new developments rather than restricting innovation; j) the inc
14、reasing importance of the various types of data and telematic services, noting that Recommendation ITU-R M.1457 covers the IMT-2000 radio interfaces, recommends that for digital cellular land mobile telecommunication systems (DCLMTS) the following technical and operational characteristics should be
15、used: 1 General objectives The general objectives of DCLMTSs are to provide: systems with high spectrum utilization efficiency, thereby accommodating more users within the limited spectrum resource than existing analogue cellular public land mobile telecommunication systems (PLMTS); 2 Rec. ITU-R M.1
16、073-3 users with a wide range of services and facilities, both voice and non-voice, that are compatible with, and access, those offered by the public fixed networks (PSTN, ISDN, PDN, etc.); services and facilities exclusive to mobile systems, including facilities for automatic roaming, locating and
17、updating mobile users; users with a variety of mobile stations consistent with their requirements, ranging from vehicle mounted to hand-held stations with voice and non-voice interfaces; services of high quality and integrity at an economic cost; mobile equipment and infrastructure at the reduced co
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