A method for activating a function of a motor vehicle by an activation device on the vehicle having at least one communication unit including at least one radiofrequency antenna and transmission and reception device. The activation coming from a user's portable device. The activation of the function is triggered by detection of the user's presence in a predetermined zone around the vehicle and on the basis of a result of authentication of the portable device by the vehicle. For at least two responses received from the portable device: a) comparing, for each response, a power of a first wave received at a time with a maximum power of the components of the first wave received, b) determining, for each response, a presence or absence of reflected waves, c) determining an averaged reflection rate for the responses, d) determining a minimum value for the time from the responses, e) if the averaged reflection rate is zero or full, then the user's presence in the predetermined area is determined using the minimum value for the time, f) if the averaged reflection rate is partial, then the user's presence in the predetermined area is detected using the minimum value for the time, to which a corrective coefficient is applied.


    Access

    Download


    Export, share and cite



    Title :

    Method for activating a vehicle function and associated activation device


    Contributors:

    Publication date :

    2024-06-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G01S RADIO DIRECTION-FINDING , Funkpeilung



    METHOD FOR ACTIVATING A VEHICLE FUNCTION AND ASSOCIATED ACTIVATION DEVICE

    CHEIKH MOHAMED | European Patent Office | 2023

    Free access

    METHOD FOR ACTIVATING A VEHICLE FUNCTION AND ASSOCIATED ACTIVATION DEVICE

    CHEIKH MOHAMED / CHANAL SÉBASTIEN | European Patent Office | 2024

    Free access

    METHOD FOR ACTIVATING A VEHICLE FUNCTION AND ASSOCIATED ACTIVATION DEVICE

    GODET SYLVAIN / BILLY STÉPHANE / FERRY CLÉMENT | European Patent Office | 2024

    Free access

    Method for activating function of vehicle and associated activation device

    CHEIKH MOHAMED / SHANNELL SARAH | European Patent Office | 2024

    Free access

    METHOD FOR ACTIVATING A MOTOR VEHICLE FUNCTION AND ASSOCIATED ACTIVATION DEVICE

    GODET SYLVAIN / BENBOUHOUT RACHID / MORIN ALEXIS | European Patent Office | 2024

    Free access