Interconnection framework for high-throughput, flexible LDPC decoders

  • Authors:
  • Federico Quaglio;Fabrizio Vacca;Cristiano Castellano;Alberto Tarable;Guido Masera

  • Affiliations:
  • CERCOM -- Dipartimento di Elettronica, Politecnico di Torino -- Italy;CERCOM -- Dipartimento di Elettronica, Politecnico di Torino -- Italy;CERCOM -- Dipartimento di Elettronica, Politecnico di Torino -- Italy;CERCOM -- Dipartimento di Elettronica, Politecnico di Torino -- Italy;CERCOM -- Dipartimento di Elettronica, Politecnico di Torino -- Italy

  • Venue:
  • Proceedings of the conference on Design, automation and test in Europe: Designers' forum
  • Year:
  • 2006

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Abstract

This paper presents a possible interconnection structure suitable for being used in a flexible LDPC decoder. The main feature of the proposed approach is the possibility of implementing parallel or semi-parallel decoders with a reduced communication complexity. To the best of our knowledge this is the first work detailing the implementation of a fully flexible LDPC decoder, able to support any type of code. To prove the effectiveness of this approach, a complete decoder has been implemented on a XC2V8000, achieving a decoding throughput of 529 Mbps on a (1920,640) code.