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METHOD AND APPARATUS FOR ANTENNA DIVERSITY IN MULTI-INPUT MULTI-OUTPUT COMMUNICATION SYSTEMS

  • US 20120140798A1
  • Filed: 10/11/2011
  • Published: 06/07/2012
  • Est. Priority Date: 08/22/2005
  • Status: Abandoned Application
First Claim
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1. An apparatus, comprising:

  • at least one processor configured toreceive a data vector;

    select a plurality of virtual antennas to use for transmission from among a plurality of virtual antennas;

    form a permutation matrix indicative of the plurality of virtual antennas selected;

    apply the permutation matrix to the data vector to create output symbols;

    apply different cyclic delays for each respective transmit antenna in a plurality of transmit antennas to the output symbols to create a transmit vector;

    provide the transmit vector to the plurality of transmit antennas; and

    a memory coupled to the at least one processor.

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