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MIMO TRANSMISSION WITH RANK-DEPENDENT PRECODING

  • US 20080192849A1
  • Filed: 02/07/2008
  • Published: 08/14/2008
  • Est. Priority Date: 02/09/2007
  • Status: Active Grant
First Claim
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1. An apparatus for wireless communication, comprising:

  • at least one processor configured to obtain a precoding vector for a rank-1 transmission from a first set comprising at least one column vector of a unitary matrix, to perform precoding for the rank-1 transmission based on the precoding vector, to obtain a precoding matrix for a rank-2 transmission from a second set comprising an identity matrix, and to perform precoding for the rank-2 transmission based on the precoding matrix; and

    a memory coupled to the at least one processor.

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