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MULTIPLE ANTENNA ASSEMBLY UTILIZING ELECTRO BAND GAP ISOLATION STRUCTURES

  • US 20120274522A1
  • Filed: 04/27/2011
  • Published: 11/01/2012
  • Est. Priority Date: 04/27/2011
  • Status: Active Grant
First Claim
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1. An antenna assembly for a wireless communication device comprising:

  • a substrate of dielectric material and having a first surface and a second surface on opposite sides of the substrate;

    a ground plane formed by a layer of electrically conductive material on the first surface;

    a first radiating element disposed on the substrate;

    a second radiating element disposed on the substrate and spaced apart from the first radiating element; and

    at least one metal-dielectric isolation structure supported on the substrate between the first and second radiating elements at positions only at which an electric current is present that has a current density greater than a predefined threshold, wherein each metal-dielectric isolation structure resonates at a given frequency that inhibits mutual signal coupling between the first and second radiating elements.

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