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SOURCE-CHANNEL APPROACH TO CHANNEL CODING WITH SIDE INFORMATION

  • US 20110311003A1
  • Filed: 08/29/2011
  • Published: 12/22/2011
  • Est. Priority Date: 03/15/2006
  • Status: Active Grant
First Claim
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1. A decoding apparatus, the apparatus comprising:

  • a processor;

    tangible, non-transitory computer-readable medium having computer-executable instructions stored thereon that, if executed by the processor, cause the processor to perform operations comprising;

    decoding an input signal in order to generate first feedforward information, wherein the decoding comprises;

    performing trellis decoding on the input signal over a joint trellis corresponding at least to an accumulator portion of an irregular repeat accumulate (IRA) encoder and a trellis coded quantization, andperforming first check node decoding on data including a modified version of output from the trellis decoding, wherein the first feedforward information is a modified version of output from the first check node decoding; and

    generating feedback information from the feedforward information.

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