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RECONFIGURABLE ANTENNA BASED SOLUTIONS FOR DEVICE AUTHENTICATION AND INTRUSION DETECTION IN WIRELESS NETWORKS

  • US 20150135293A1
  • Filed: 09/07/2012
  • Published: 05/14/2015
  • Est. Priority Date: 09/08/2011
  • Status: Active Grant
First Claim
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1. A method of authenticating a transmitting device in a communication system using at least one multi-mode reconfigurable antenna, comprising the steps of:

  • collecting wireless channel information for different antenna modes of said at least one reconfigurable antenna for a legitimate transmitter;

    combining the collected wireless channel information for different modes of said at least one reconfigurable antenna into a characteristic transmission fingerprint;

    forming a detection threshold based on the characteristic transmission fingerprint for the legitimate transmitter at the outset of a communication connection;

    comparing wireless channel information from a later transmission with said fingerprint based on a test metric to determine if the wireless channel information from the later transmission corresponds to said fingerprint within a designated threshold; and

    identifying the transmitter of said later transmission as an intruder if said wireless channel transmission does not correspond to said fingerprint within said designated threshold.

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