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Offsetting patch antennas on an ominidirectional multi-facetted array to allow space for an interconnection board

  • US 20040174303A1
  • Filed: 10/10/2003
  • Published: 09/09/2004
  • Est. Priority Date: 03/04/2003
  • Status: Active Grant
First Claim
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1. An antenna array comprising:

  • a plurality of facets disposed around an axis, each of said plurality of facets having sides connectively abutting the sides of an adjacent facet, said plurality of facets forming a faceted tube;

    at least one patch antenna disposed on each of said plurality of facets;

    at least one radio frequency interface module disposed therein;

    a plurality of signal tracks disposed across said plurality of facets interconnecting said patch antennas across said connectively abutting sides to said radio frequency interface module;

    at least one ground plane, separated from said at least one patch antenna and said plurality of signal tracks by a dielectric having a thickness; and

    each facet having a substantially planar region thereunder said at least one patch antenna, and each facet having a first curved region under at least a portion of said plurality of signal tracks, wherein said first curved region has a radius of curvature great enough to avoid discontinuities in RF propagation along said signal tracks.

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