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System and Method for a Message Passing Algorithm

  • US 20160211867A1
  • Filed: 01/15/2016
  • Published: 07/21/2016
  • Est. Priority Date: 01/15/2015
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving, by a Message Passing Algorithm (MPA) processor, a sequence of samples representative of a received signal from a device;

    receiving, or otherwise generating, one or more probabilities associated codewords of a codebook assigned to a data stream in the received signal;

    removing, in accordance with the probabilities, at least one of the codewords from the codebook to obtain a pruned codebook, the pruned codebook excluding the at least one codeword;

    processing, by the MPA processor, the received sequence of samples according to the pruned codebook to generate soft decision values corresponding to the received signal; and

    sending the soft decision values to a forward error correction (FEC) decoder.

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