发明名称 ROAD SIDE-VEHICLE COMMUNICATION SYSTEM
摘要 PROBLEM TO BE SOLVED: To provide a road side-vehicle communication system in which a vehicle can automatically receive only new service by one onboard device when two roadside communication devices provide new service and old service at the same time in the service of providing information on a forward obstacle, etc., between the road side and the vehicle. SOLUTION: In this road side-vehicle communication system, the onboard device recognizes provision of the new service by the information from the roadside communication device providing the old service, and does not perform communication connection to the roadside communication device.
申请公布号 JP2002260172(A) 申请公布日期 2002.09.13
申请号 JP20010060825 申请日期 2001.03.05
申请人 NATL INST FOR LAND & INFRASTRUCTURE MANAGEMENT MLIT 发明人 TSUKUI YUJI
分类号 G08G1/09;G08G1/16;H04B7/26;(IPC1-7):G08G1/09 主分类号 G08G1/09
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