A keyfob is disclosed for use in detecting an attack on a vehicle. The keyfob includes a microcontroller, a wake receiver and an accelerometer. The wake receiver is configured to measure received signal strength and save the measured value in received signal strength indicator (RSSI). The accelerometer is used to generate acceleration data. The microcontroller detects an attack based on the RSSI and the acceleration data.
Relay attack prevention for passive entry/passive start systems
2017-06-06
Patent
Electronic Resource
English
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