To make it possible to rapidly transmit/receive data to/from an on-vehicle device of a moving vehicle.SOLUTION: A transmission device 80 that transmits data to on-vehicle communication devices 20A to 20C mounted on a vehicle comprises: a vehicle identification unit 84 that identifies a vehicle whose moving speed is equal to or lower than a predetermined speed including zero among the vehicles located within a predetermined transmission range 61; and a transmission unit 82 that transmits the data to the on-vehicle communication device of the vehicle by wireless communication when the moving speed of the vehicle identified by the vehicle identification unit is equal to or lower than the predetermined speed.SELECTED DRAWING: Figure 5
【課題】稼働中の車両の車載装置へデータを迅速に受け渡すことを可能にする。【解決手段】車両に搭載される車載通信装置20A〜20Cへデータを送信する送信装置80であって、所定の送信範囲61内に位置する車両のうち、移動速度がゼロを含む所定速度以下である車両を特定する車両特定部84と、前記車両特定部により特定される車両の移動速度が前記所定速度以下であるときに、該車両の車載通信装置へ無線通信により前記データを送信する送信部82とを有する。【選択図】図5
TRANSMISSION DEVICE, ON-VEHICLE COMMUNICATION DEVICE, VEHICLE, COMMUNICATION SYSTEM, PROGRAM, TRANSMISSION METHOD AND COMMUNICATION METHOD
送信装置、車載通信装置、車両、通信システム、プログラム、送信方法及び通信方法
2021-05-06
Patent
Electronic Resource
Japanese
ON-VEHICLE COMMUNICATION DEVICE, COMMUNICATION PROGRAM, AND MESSAGE TRANSMISSION METHOD
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