To control timing of retransmission stop to reduce a load on a repeater.SOLUTION: A repeater to which a first control device is connected through a first bus and to which a second control device is connected through a second bus to relay between the first bus and the second bus changes the communication status of the second bus (step ST203) in a communication failure state in which a normal response signal cannot be obtained from the second control device for communication from the first control device to the second control device, and when a communication load on the second bus is equal to or less than a predetermined load ratio for a predetermined time or more.SELECTED DRAWING: Figure 3

    【課題】再送停止のタイミングを制御して中継器の負荷を低減する。【解決手段】第1バスを通じて第1制御装置が接続されるとともに、第2バスを通じて第2制御装置が接続され、前記第1バスと前記第2バスとの間の中継を行う中継器は、前記第1制御装置から前記第2制御装置への通信について、前記第2制御装置から正常な応答信号が得られない通信失敗状態にあり、かつ前記第2バスにおける通信負荷が所定の負荷割合以下である状態が所定時間以上継続した場合に、前記第2バスの通信ステータスを変更(ステップST203)する。【選択図】図3


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    Title :

    REPEATER


    Additional title:

    中継器


    Contributors:

    Publication date :

    2021-09-16


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION , Übertragung digitaler Information, z.B. Telegrafieverkehr / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / H04B TRANSMISSION , Übertragung



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