Embodiments of the present disclosure relate to selective activation of TPMS sensor modules for RF communications. A tire pressure monitoring system (TPMS) includes a communication interface device configured to communicate with a target TPMS sensor module. The communication interface device includes: an RF transceiver configured to generate at least one wake-up signal; an antenna array configured to transmit each wake-up signal as a directional RF beam; a processing circuit configured to monitor the response signal in response to the antenna array transmitting the at least one wake-up signal; and a power amplifier configured to set the power of each wake-up signal according to an adjustable power setting such that the power of each subsequent wake-up signal is increased in discrete steps until the RF transceiver receives the response signal.

    本公开的实施例涉及用于RF通信的TPMS传感器模块的选择性激活。胎压监测系统(TPMS)包括被配置为与目标TPMS传感器模块通信的通信接口装置。通信接口装置包括:RF收发器,被配置为产生至少一个唤醒信号;天线阵列,被配置为将每个唤醒信号作为定向RF波束发射;处理电路,被配置为响应于天线阵列发射至少一个唤醒信号来监测响应信号;功率放大器,被配置为根据可调功率设置来设置每个唤醒信号的功率,使得每个后续唤醒信号的功率以分立的步骤增加,直到RF收发器接收到响应信号。


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    Title :

    Selective activation of TPMS sensor modules for RF communication


    Additional title:

    用于RF通信的TPMS传感器模块的选择性激活


    Contributors:

    Publication date :

    2022-12-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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