PROBLEM TO BE SOLVED: To provide a DSRC on-vehicle device for suppressing overlapping of travel history information collected by a DSRC information acquisition road-side device from the DSRC on-vehicle device via a DSRC communication.SOLUTION: A DSRC on-vehicle device 1 acquires information indicating a vehicle travel state from a vehicle sensor device group 3, generates travel history information on the basis of the acquired information by a travel-history-information generation unit 13, stores the generated travel history information in a volatile storage unit 12, transmits a memory batch read response command containing the travel history information to a DSRC information acquisition road-side device 2 if receiving a memory batch read request command from the DSRC information acquisition road-side device 2, detects a memory batch write request command transmitted from the DSRC information acquisition road-side device 2 receiving the memory batch read response command by a travel-history-information initialization determination unit 14, and initializes a storage area corresponding to the travel history information in the volatile storage unit 12.
【課題】DSRC情報収集路側装置がDSRC通信を介してDSRC車載装置から収集する走行履歴情報の重複を抑制するDSRC車載装置を得る。【解決手段】DSRC車載装置1は、自動車の走行状態を示す情報を車両センサ装置群3から取得し、走行履歴情報生成部13により、取得した情報に基づき、走行履歴情報を生成し、揮発記憶部12に記憶し、DSRC情報収集路側装置2からのメモリ一括読出要求コマンドを受信すると、走行履歴情報を含むメモリ一括読出応答コマンドをDSRC情報収集路側装置2に送信し、これを受信したDSRC情報収集路側装置2が送信するメモリ一括書込要求コマンドを、走行履歴情報初期化判定部14が検出して、揮発記憶部12の走行履歴情報の記憶領域を初期化するようにした。【選択図】図2
DSRC ON-VEHICLE DEVICE AND TRAVEL HISTORY INFORMATION INITIALIZATION METHOD
DSRC車載装置及び走行履歴情報初期化方法
2015-12-10
Patent
Electronic Resource
Japanese
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