Patent ID: 8299940
Filing Date: 2012-10-30
Classification: G01C,G08G,H04W

Abstract:
1. A road-vehicle communication system comprising: a vehicle-mounted device mounted on a traveling vehicle; a plurality of roadside apparatuses that perform short-range communication with the vehicle-mounted device; and a center apparatus that is communicably connected to the roadside apparatuses and transmits content information to the vehicle-mounted device via the roadside apparatuses, wherein identification information for identifying each of the plurality of roadside apparatuses is given to the plurality of roadside apparatuses, the center apparatus transmits the identification information concerning the roadside apparatus via the roadside apparatus as first identification information and transmits, as second identification information, identification information concerning a roadside apparatus via which the vehicle is expected to travel to reach a destination if the vehicle is traveling in a traveling direction a traffic lane where the roadside apparatus is installed, and the vehicle-mounted device stores the first identification information transmitted from the center apparatus and, if the stored first identification information is included in the second identification information transmitted from the center apparatus next time, reproduces content information transmitted together with the second identification information and deletes the second identification information transmitted from the center apparatus after reproducing the content information.