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Co-channel interference reduction in wireless communications systems

  • US 6,396,885 B1
  • Filed: 12/02/1998
  • Issued: 05/28/2002
  • Est. Priority Date: 12/02/1998
  • Status: Expired due to Term
First Claim
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1. A method of reducing co-channel interference in a receiver arrangement of a communications system providing two received signals each comprising transmitted symbols having a predetermined symbol rate, comprising the steps of:

  • for each received signal;

    sampling the received signal to provide a sampled received signal comprising symbols at twice the predetermined symbol rate; and

    deriving first and second sampled signals from the sampled received signal, each of said first and second sampled signals comprising samples at the predetermined symbol rate corresponding to respective alternate samples of the sampled received signal at twice the predetermined symbol rate;

    combining the first and second sampled signals derived from the two received signals with respective weights to produce an output signal; and

    determining the respective weights to reduce co-channel interference with a desired signal represented by said output signal.

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