To provide a communication terminal, a communication system, a communication method, and a program, capable of calling a user's attention only when there is a risk of collision with a vehicle.SOLUTION: A communication terminal includes: a wireless communication portion that wirelessly communicates with a vehicle communication terminal provided in a vehicle within a predetermined range; a communication control portion that receives position information of the vehicle from the vehicle communication terminal via the wireless communication portion; a position information acquisition portion that acquires position information of a user; an expected collision point calculation portion that calculates an expected collision point based on the position information of the user and the position information of the vehicle; an attention determination portion that determines whether or not it is necessary to call the user's attention based on map information of the expected collision point; and a notification portion that notifies attention information to the user based on the determination result of the attention determination portion.SELECTED DRAWING: Figure 1

    【課題】車両と衝突する危険がある場合にのみ、ユーザに注意を喚起することができること。【解決手段】通信端末は、所定範囲内にある車両に設けられた車両通信端末と無線通信する無線通信部と、無線通信部を介して車両通信端末から車両の位置情報を受信する通信制御部と、ユーザの位置情報を取得する位置情報取得部と、ユーザの位置情報と車両の位置情報とに基づいて予想衝突地点を算出する予想衝突地点算出部と、予想衝突地点の地図情報に基づいて、ユーザに注意を喚起する必要があるか否かを判定する注意判定部と、注意判定部の判定結果に基づいてユーザに対して注意情報を報知する報知部と、を備える。【選択図】図1


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    Titel :

    COMMUNICATION TERMINAL, COMMUNICATION SYSTEM, COMMUNICATION METHOD, AND PROGRAM


    Weitere Titelangaben:

    通信端末、通信システム、通信方法、およびプログラム


    Beteiligte:
    IIJIMA KENICHI (Autor:in) / TAKEHANA SHUICHI (Autor:in) / SUZUKI SHIGETO (Autor:in) / YAMAMOTO MAKOTO (Autor:in)

    Erscheinungsdatum :

    20.08.2020


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS




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