A system includes a first unit associated with an object and a second unit. The first unit includes a first transceiver coupled with first processing circuitry. The second unit includes a second transceiver coupled with second processing circuitry. Methodology includes establishing a bidirectional wireless communication link between the first and second units. Following establishment of the communication link, the first and second units exchange messages. The first processing circuitry measures a first received signal strength indicator (RSSI) value for each of the messages received at the first unit and sends the first RSSI value in a subsequent message to the second unit. The second processing circuitry measures a second RSSI value for each of the messages received at the second unit and sends the second RSSI value in another subsequent message to the first unit. A relay attack is determined in response to the first and second RSSI values.


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    Titel :

    Defense against relay attack in passive keyless entry systems



    Erscheinungsdatum :

    01.10.2019


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / H04B TRANSMISSION , Übertragung / H04W WIRELESS COMMUNICATION NETWORKS , Drahtlose Kommunikationsnetze



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