We present a physical layer assisted message authentication scheme that uses Angle of Arrival (AoA) estimation to verify the message originator location based on the claimed location information. The problem of deciding whether the received signal is originated from the claimed GPS location is formulated as a two sided hypotheses testing problem whose solution is given by Wald test statics. Moreover, we give the correct decision and false alarm probabilities in a closed form as a quantitative performance measure. We Also introduce a physical layer assisted secret key agreement (PHY-SKA) protocol in which peer vehicles are required to validate their respective physical location.


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    Title :

    Poster: Message authentication and secret key agreement in VANETs via angle of arrival


    Contributors:


    Publication date :

    2016-12-01


    Size :

    446845 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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