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Stochastic Chase Decoder for Reed-Solomon Codes

Abstract : Abstract—This paper presents a hardware implementation of a soft-decision Reed-Solomon (RS) decoder, based on the stochastic Chase algorithm. This decoder achieves a coding gain of at least 0.45 dB at FER=10−4 for the well-known RS(255,239) code. To the best of our knowledge this is the highest reported coding gain for a hardware implementation of soft-decision RS(255,239) decoder. The decoder is implemented on a Virtex-5 FPGA and works at 800 Mb/s. The proposed decoder has a flexible architecture and is well suited for applications requiring different throughputs and decoding performance.
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Contributor : Bibliothèque Télécom Bretagne <>
Submitted on : Thursday, August 23, 2012 - 5:05:30 PM
Last modification on : Wednesday, June 24, 2020 - 4:19:28 PM


  • HAL Id : hal-00725059, version 1


Romain Heloir, Camille Leroux, Saied Hemati, Matthieu Arzel, Warren J. Gross. Stochastic Chase Decoder for Reed-Solomon Codes. NEWCAS 2012, Jun 2012, Montreal, Canada. ⟨hal-00725059⟩



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