To provide an on-vehicle communication device, an on-vehicle communication system, a communication program, and a communication method, with which it is expected that time required to communicate is reduced between a communication device disposed in a vehicle and plural communication devices mounted to plural wheels.SOLUTION: An on-vehicle communication device according to the present embodiment generates request signals by modulating transmission data containing identification information specified for each transmitting antenna, transmits the generated request signals for each transmitting antenna at the same time from each transmitting antenna, receives a response signal containing identification information included in a request signal, that is transmitted by a wheel side communication device having received the transmitted request signal, by using a receiving antenna, and determines whether the wheel side communication device of a transmission source of the response signal is loaded on any of plural wheels, on the basis of the identification information contained in reception data that is a demodulated received response signal.SELECTED DRAWING: Figure 1
【課題】車体に設けられた通信装置と、複数の車輪に設けられた複数の通信装置との間の通信に要する時間を低減することが期待できる車載通信装置、車載通信システム、通信プログラム及び通信方法を提供する。【解決手段】本実施の形態に係る車載通信装置は、送信用アンテナ毎に定められた識別情報を含む送信データを変調することで要求信号を生成し、生成した送信用アンテナ毎の要求信号を、各送信用アンテナから同時に送信し、送信した要求信号を受信した車輪側通信装置が要求信号に含まれる識別情報を含めて送信する応答信号を、受信用アンテナを用いて受信し、受信した応答信号を復調した受信データに含まれる識別情報に基づいて、応答信号の送信元の車輪側通信装置が複数の車輪のいずれに搭載されているかを判定する。【選択図】図1
ON-VEHICLE COMMUNICATION DEVICE, ON-VEHICLE COMMUNICATION SYSTEM, COMMUNICATION PROGRAM, AND COMMUNICATION METHOD
車載通信装置、車載通信システム、通信プログラム及び通信方法
2019-09-19
Patent
Electronic Resource
Japanese
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