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Antenna array calibration for wireless communication systems

  • US 9,118,111 B2
  • Filed: 04/17/2006
  • Issued: 08/25/2015
  • Est. Priority Date: 11/02/2005
  • Status: Active Grant
First Claim
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1. A method of calibrating an antenna array, comprising:

  • determining first calibration weights for the antenna array using phase only estimates based upon a first calibration technique;

    determining second calibration weights for the antenna array using phase and amplitude estimates based upon a second calibration technique; and

    determining whether to apply the first calibration weights from the first calibration technique or the second calibration weights from the second calibration technique to the antenna array based on (a) an output provided by utilizing the first calibration weights, (b) an output provided by utilizing the second calibration weights, or (c) both (a) and (b).

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