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Apparatus and method for implementing SDMA in multi-user multi-antenna system

  • US 20070259694A1
  • Filed: 04/25/2007
  • Published: 11/08/2007
  • Est. Priority Date: 04/25/2006
  • Status: Active Grant
First Claim
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1. A method for implementing Spatial Division Multiple Access (SDMA) in a multi-user multi-antenna system, comprising:

  • selecting SDMA users from among total users according to channel state information of the total users; and

    determining the number of transmission streams to be allocated to each of the SDMA users by a tree search method.

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