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Methods, apparatuses, and computer-readable storage media for performing multidimensional beamforming

  • US 9,590,709 B2
  • Filed: 12/23/2011
  • Issued: 03/07/2017
  • Est. Priority Date: 12/23/2011
  • Status: Active Grant
First Claim
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1. A method comprising:

  • phasing a vertical dimension of an array including multiple antenna elements and phasing an azimuthal dimension of the array to provide a combined radiation pattern for the array, the vertical dimension of the array having a first radiation pattern and the azimuthal dimension of the array having a second radiation pattern; and

    controlling in a downlink transmission the combined radiation pattern in both the vertical and azimuthal dimensions at least by simultaneously;

    controlling in the downlink transmission the combined radiation pattern in the vertical dimension based upon an uplink channel measurement; and

    controlling in the downlink transmission the combined radiation pattern in the azimuthal dimension based upon a precoding feedback from a user equipment.

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