PROBLEM TO BE SOLVED: To provide an inter-vehicle communication system, a roadside communication device, an on-vehicle communication device, and an inter-vehicle communication method that enable information to be transmitted and received between vehicles even when an arrival of a wireless signal can be obstructed by a shielding object existing between the vehicles.SOLUTION: An inter-vehicle communication system performs wireless communications among a plurality of vehicles 1a to 1d each having an in-vehicle communication device that transmits and receives information by wireless signals. The inter-vehicle communication system has a roadside receiving unit for receiving information transmitted by an in-vehicle communication device by a wireless signal and a roadside transmitting unit for transmitting the information received by the roadside receiving unit by a wireless signal, and a roadside communication device 5 that relays communications of the roadside communication device. The in-vehicle communication device includes: a vehicle-side reception unit that receives information wirelessly transmitted by an in-vehicle communication device mounted in another vehicle and information that the roadside communication device wirelessly transmits; a determination unit for determining whether or not the information received by the vehicle-side reception unit is required; and an information processing unit for performing an information processing based on the information determined necessary by the determination unit.SELECTED DRAWING: Figure 2
【課題】車両間に存在する遮蔽物によって無線信号の到達が阻害され得る場合であっても、車両間の情報の授受を行うことを可能とする車車間通信システム、路側通信装置、車載通信装置及び車車間通信方法を提供する。【解決手段】車車間通信システムは、無線信号にて情報を送受信する車載通信装置をそれぞれ有する複数の車両1a〜1dの間で無線通信を行う。車車間通信システムは、車載通信装置が無線信号により送信する情報を受信する路側受信部、及び、路側受信部が受信した情報を無線信号にて送信する路側送信部を有し、複数の車両間の通信を中継する路側通信装置5を備える。車載通信装置は、他の車両に搭載された車載通信装置が無線送信する情報及び路側通信装置が無線送信する情報を受信する車両側受信部と、車両側受信部が受信した情報の要否を判定する判定部と、判定部が必要と判定した情報に基づく情報処理を行う情報処理部とを有する。【選択図】図2
INTER-VEHICLE COMMUNICATION SYSTEM, ROADSIDE COMMUNICATION DEVICE, ON-VEHICLE COMMUNICATION DEVICE AND INTER-VEHICLE COMMUNICATION METHOD
車車間通信システム、路側通信装置、車載通信装置及び車車間通信方法
2018-06-28
Patent
Elektronische Ressource
Japanisch
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