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Antenna apparatus and communication system

  • US 9,478,852 B2
  • Filed: 08/19/2014
  • Issued: 10/25/2016
  • Est. Priority Date: 08/22/2013
  • Status: Active Grant
First Claim
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1. An antenna for a communication device comprising:

  • a first body;

    a spacer adjacent to the first body;

    a second body adjacent to the spacer such that the spacer is between the first and second bodies, the second body configured as a monopole, the second body having a perimeter that is smaller than a perimeter of the first body;

    the first body configured as an artificial metasurface ground plane (AMSGP) having resonators backed by a metallic sheet, the metallic sheet configured as the ground plane of the AMSGP, the AMSGP configured as a primary radiator that operates as a slot array with amplitude tapering.

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