A roadside device transmits, to a server, detection information indicating a detection result from a roadside sensor. In a case that a vehicle moving on a road toward the roadside device reaches a notification start point and that the vehicle is in a first geographic range, the server transmits the detection information received from the roadside device to the vehicle via the communication network. In a case that the vehicle moves from the first geographic range to a second geographic range located closer to the roadside device than the first geographic range, the roadside device transmits the detection information to the vehicle by the wireless communication.
Traffic communication system, roadside device, server, and traffic communication method
2023-10-10
Patent
Elektronische Ressource
Englisch
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