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Conformal antennas for mitigation of structural blockage

  • US 8,982,011 B1
  • Filed: 09/23/2011
  • Issued: 03/17/2015
  • Est. Priority Date: 09/23/2011
  • Status: Active Grant
First Claim
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1. A method of mitigating adverse transmission and/or reception effects that an obstruction would otherwise have upon a RF signal to be transmitted or received, the RF signal being available at a feed point and wherein the obstruction is spaced from the feed point in a direction of desired transmission or reception, the method comprising the steps of:

  • (a) disposing an artificial impedance surface adjacent the feed point and the obstruction, and(b) tuning or causing the artificial impedance surface (i) to have a spatially constant impedance function in a constant impedance region at least immediately adjacent the feed point and (ii) to have a spatially non-constant impedance function in one or more regions spaced from the feed point and closer to the obstruction.

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