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Array antennas including non-uniform antenna elements

  • US 9,923,591 B2
  • Filed: 11/12/2014
  • Issued: 03/20/2018
  • Est. Priority Date: 11/12/2014
  • Status: Active Grant
First Claim
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1. A network node comprising:

  • transceiver circuitry configured to provide communications in a cellular or short-range wireless network; and

    a non-uniform plurality of array antenna elements on a common, continuous flat plane and coupled to the transceiver circuitry, the non-uniform plurality of array antenna elements comprising a plurality of columns and/or a plurality of rows of array antenna elements on the common, continuous flat plane,wherein sizes of the non-uniform plurality of array antenna elements, antenna types of the non-uniform plurality of array antenna elements, and/or tilt angles of the non-uniform plurality of array antenna elements differ among the non-uniform plurality of array antenna elements,wherein the non-uniform plurality of array antenna elements comprises at least one hundred antenna elements on the common, continuous flat plane,wherein the plurality of columns and/or plurality of rows of array antenna elements comprises a first group of the non-uniform plurality of array antenna elements adjacent a second group of the non-uniform plurality of array antenna elements,wherein the first group comprises an array comprising the plurality of columns and/or plurality of rows of antenna elements,wherein each antenna element in the array is coupled to a different antenna feed, andwherein the second group comprises a sub-array comprising a plurality of antenna elements that are coupled to a same antenna feed.

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