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Sliding-window multi-carrier frequency division multiplexing system

  • US 7,058,140 B2
  • Filed: 06/18/2001
  • Issued: 06/06/2006
  • Est. Priority Date: 06/16/2000
  • Status: Expired due to Term
First Claim
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1. A receiver comprising a time-to-frequency converter, said time-to-frequency converter configured to receive a stream of data samples and calculate M streams of output values for M communication channels, said converter configured to calculate each of said output values using N input values, wherein the value of N is selected on a channel-by-channel basis such that a first channel uses a value for N that is different from a value of N used by a second channel, said receiver further comprising a first sliding window transform configured to transform said received stream of data samples to said first channel using a first transform length and a second sliding window transform configured to transform said received stream of data samples to said second channel using a second transform length.

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