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Multi-carrier transmission system and method thereof

  • US 6,510,184 B1
  • Filed: 02/26/1999
  • Issued: 01/21/2003
  • Est. Priority Date: 02/27/1998
  • Status: Expired due to Fees
First Claim
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1. A multi-carrier transmission system performing data transmission between first and second communication stations under presence of a plurality of periodically varying noises, comprising:

  • signal to noise ratio evaluating means for obtaining a plurality of sets of signal to noise ratios by evaluating signal to noise ratio of each carrier of the multi-carriers at different timing respectively corresponding to a plurality of kinds of noise environments; and

    bit distribution means for performing bit distribution of each carrier depending upon one set of signal to noise ratio with taking a plurality of sets of signal to noise ratios as one set of signal to noise ratio evaluated on different frequency at the same timing.

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