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COMMUNICATION SYSTEM, ROAD SIDE INFRASTRUCTURE FACILITY, CENTER UNIT AND COMMUNICATION METHOD
COMMUNICATION SYSTEM, ROAD SIDE INFRASTRUCTURE FACILITY, CENTER UNIT AND COMMUNICATION METHOD
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机译:通信系统,道路基础设施,中心单元和通信方法
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摘要
PROBLEM TO BE SOLVED: To provide a communication system which can assign a time slot suitable for contention-free access to a moving onboard communication apparatus, and to provide a communication method.;SOLUTION: A road side communication apparatus 2 obtains all communicable onboard communication apparatus 3 and individual transmission areas, and assigns a time slot for contention-free access to each onboard communication apparatus 3 so that the transmission areas do not have contention spatially or temporally. Each onboard communication apparatus 3 performs communications by using the time slot thus assigned.;COPYRIGHT: (C)2009,JPO&INPIT
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