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SYSTEM AND METHOD FOR TRELLIS DECODING IN A MULTI-PAIR TRANSCEIVER SYSTEM

  • US 20090044070A1
  • Filed: 10/07/2008
  • Published: 02/12/2009
  • Est. Priority Date: 11/13/1998
  • Status: Active Grant
First Claim
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1. A method for computing a distance of a received data word from a codeword, the codeword being a concatenation of L symbols selected from two disjoint symbol subsets X and Y, the codeword being included in one of a plurality of code-subsets, the received data word being represented by L inputs, each of the L inputs uniquely corresponding to one of L dimensions, the method comprisingcombining a set of one-dimensional decisions with a corresponding set of one-dimensional errors to produce a set of L-dimensional decisions and a corresponding set of L-dimensional errors such that each of the L-dimensional errors is a distance of the received data word from a nearest codeword in one of the code-subsets.

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