ITU-R QUESTION 205-45-2007 Intelligent transportation systems《智能运输系统》.pdf

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1、QUESTION ITU-R 205-4/5*Intelligent transportation systems(1995-1996-2002-2003-2007)The ITU Radiocommunication Assembly,consideringa) that there is a need to integrate new technologies including radiocommunications into landtransportation systems;b) that many new land transportation systems use intel

2、ligence in the land vehicles coupledwith advanced management techniques to improve traffic management;c) that the technologies planned for intelligent transportation systems (ITS) can be applied topublic transportation (transit) systems to make them more efficient and to enhance the integrateduse of

3、 all forms of surface transport;d) that ITS are being planned and implemented in various Regions by Administrations;e) that a wide variety of applications and services, including automatic vehicle location(AVL), are defined;f) that international standards would facilitate the world-wide applications

4、 of ITS and providefor economies of scale in bringing ITS equipment and services to the public;g) that early international harmonization of ITS would have several benefits;h) that world-wide compatibility of ITS may be dependent on common radio spectrumallocations;j) that radio is an essential compo

5、nent of ITS;k) that the International Organization for Standardization (ISO) is standardizing ITS(non-radioaspects) in ISO/TC204;l) that the ITU Radiocommunication Assembly has approved RecommendationITU-R M.1453 “Transport information and control systems Dedicated short rangecommunications at 5.8 G

6、Hz”,decides that the following Questions should be studied1 What are the various elements of ITS?2 What are the overall objectives for ITS with respect to: radiocommunication requirements: radio interfaces, reliability, grade of service, etc.; improvement factors; congestion reduction, safety, contr

7、ol, quality of life, etc.; type of services?3 What radio-based ITS services and functions might benefit from internationalstandardization?_* Former Question ITU-R 205-4/8.- 2 -4 What are the spectrum requirements for each element of ITS including: suitable bands; spectrum bandwidth needed?5 What are

8、 the interconnect requirements of ITS with the switched telecommunicationnetworks?6 What are the technical factors that affect sharing between ITS and other users?7 To what extent can the evolving mobile telecommunications systems be used to deliver ITSservices?8 What are the radiocommunication requ

9、irements and technical specifications necessary forthe global or regional harmonization of next generation ITS radiocommunications?9 What is the definition of “telematics” in the context of ITS? In such a context, what are thesystems and application requirements of telematics? What are the land mobi

10、le communicationsrequirements of telematics?10 What are the technical and operational characteristics of AVL in the land mobile service?further decides1 that the results of the above studies should be included in one or more Recommendations,Reports or Handbooks;2 that the above studies should be completed by 2010.Category: S2