VEHICLE-MOUNTED DEVICE USED IN ADVANCED TRAFFIC SYSTEM, COMMUNICATION METHOD, AND ADVANCED TRAFFIC SYSTEM USING SAID DEVICE AND METHOD

摘要

An intelligent transport system includes an access point which puts a plurality of channels under control and casts various information and a vehicle-mounted device which directly communicates with the access point or is mounted on a vehicle which performs multi-hop communication, the access point includes broadcast means which broadcast a content of the information to be casted to a plurality of channels as service information, and the vehicle-mounted device includes channel switching means which perform a channel switching so that a desired service can be received on the basis of the service information.