Stochastic Chase Decoder for Reed-Solomon Codes

Romain Heloir 1 Camille Leroux 2 Saied Hemati 3 Matthieu Arzel 4, 1 Warren J. Gross 3
4 Lab-STICC_TB_CACS_IAS
Lab-STICC - Laboratoire des sciences et techniques de l'information, de la communication et de la connaissance
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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https://hal.archives-ouvertes.fr/hal-00725059
Contributor : Bibliothèque Télécom Bretagne <>
Submitted on : Thursday, August 23, 2012 - 5:05:30 PM
Last modification on : Thursday, October 17, 2019 - 12:36:49 PM

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  • HAL Id : hal-00725059, version 1

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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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