The invention relates to a method for activating a function of a vehicle and an associated activation device. Method for activating the function of a motor vehicle by means of an activation device from a portable "keyless" access device (SD) carried by a user, the activation device comprising at least four ultra-wideband communication external antenna modules and an ultra-high frequency communication module, the access device comprising an accelerometer, a gyroscope and a magnetometer, the method comprises: s) determining an initial position of the access device relative to the vehicle, t) obtaining a probability value of an intention to activate a function of the vehicle from gyroscope, magnetometer and accelerometer measurements, v) comparing the probability value with at least one predetermined threshold value, w) determining a position of the access device based on the result of the comparison. Transmitting, from the device to the vehicle, a request to place part or all of the external antenna module in ultra-wideband communication operation at ultra-high frequency, x) activating a vehicle function according to an estimation of the distance between the device and the vehicle by the external antenna module so activated as ultra-wideband.

    本发明涉及激活车辆功能的方法和相关激活装置。用于借助于激活装置从使用者携带的便携式“免钥匙”进入设备(SD)来激活机动车辆的功能的方法,激活装置包括至少四个超宽带通信外部天线模块和特高频通信模块,进入设备包括加速度计、陀螺仪和磁力计,该方法包括:s)确定进入设备相对于车辆的初始位置,t)从陀螺仪、磁力计和加速度计测量值,u)获得激活车辆功能的意图的概率值,v)将概率值与至少一个预定阈值进行比较,w)根据所述比较的结果,以特高频从所述设备向所述车辆传输将外部天线模块部分或全部置于超宽带通信操作的请求,x)根据这样激活为超宽带的所述外部天线模块对所述设备与车辆之间的距离的估计,激活车辆功能。


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    Title :

    Method for activating function of vehicle and associated activation device


    Additional title:

    激活车辆功能的方法和相关激活装置


    Contributors:

    Publication date :

    2023-11-21


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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