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Method and apparatus for performing decoding of codes with the use of side information associated with the encoded data

  • US 5,917,837 A
  • Filed: 09/11/1996
  • Issued: 06/29/1999
  • Est. Priority Date: 09/11/1996
  • Status: Expired due to Term
First Claim
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1. A decoding system comprising:

  • a decoder for receiving a frame of data and for decoding said frame of data to provide a set of information bits and at least one check bit;

    a check means for receiving said information bits and said at least one check bit and for determining a validity of said decoding in accordance with said information bits and said at least one check bit; and

    modification means for modifying said frame of data when said determined validity of said decoding indicates a failure to properly decode said frame, wherein said modification means comprises;

    erasure generator means for generating an erasure signal; and

    combining means for combining said frame of data with said erasure signal to provide a modified frame of data.

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