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APPARATUS AND METHOD FOR REDUCING INTER-CELL INTERFERENCE IN MULTIPLE INPUT MULTIPLE OUTPUT SYSTEM

  • US 20100238889A1
  • Filed: 03/19/2010
  • Published: 09/23/2010
  • Est. Priority Date: 03/20/2009
  • Status: Active Grant
First Claim
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1. A method for operating a Codebook Subset Pattern (CSP) of a Base Station (BS) in a Multiple Input Multiple Output (MIMO) system, the method comprising:

  • determining whether there is a CSP-updated BS among the BS and adjacent BSs;

    exchanging the updated CSP between cells if it is determined that there is a CSP-updated BS; and

    broadcasting the CSP of each cell acquired through the exchange.

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