Recently, due to the rapid growth in the popularity of Mobile Telecommunications,there has been an increase in data communication applications, such as for e-mail checks fromoutside locations. In order to respond to the demands for diverse, high-speed multimediacommunications, research and development is proceeding worldwide on the next-generationsystem International Mobile Telecommunications- 2000 (IMT-2000). The completion ofthis system is expected to aid in the development not only of mobile communications, but alsoinformation communication infrastructure that can provide a variety of service applicationsrelated to ITS. This paper will show the features of the IMT-2000 services and system, andwill discuss the main service control technologies that support location informationdistribution services and car multi-media applications.
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