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Transmit correlated array gain reduction

  • US 9,112,555 B2
  • Filed: 11/16/2012
  • Issued: 08/18/2015
  • Est. Priority Date: 11/16/2012
  • Status: Active Grant
First Claim
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1. A method comprising:

  • at a wireless communication device having a plurality of transmitters each configured to transmit via a corresponding one of a plurality of antennas;

    dividing subcarriers of at least one transmit signal into groups;

    allocating power to the groups of the subcarriers of the at least one transmit signal to be weighted across the plurality of transmitters for transmission; and

    applying a precoding matrix for each subcarrier so that for each subcarrier, only one transmitter is allocated a maximum power and no beamforming occurs per subcarrier.

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