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Antenna System and Method for Full Duplex Wireless Transmission with Channel Phase-Based Encryption

  • US 20150048977A1
  • Filed: 08/13/2014
  • Published: 02/19/2015
  • Est. Priority Date: 05/13/2012
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • a first active antenna element having a propagation characteristic;

    a plurality of radio-frequency reflectors positioned around the first active antenna element;

    a plurality of switchable radio-frequency reflectors positioned around the first active antenna element configured to perturb the propagation characteristic.

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