Soft-decision decoding of RS codes

Jørn Justesen

doi:10.1109/ISIT.2005.1523528

Soft-decision decoding of RS codes

Jørn Justesen

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Abstract

By introducing a few simplifying assumptions we derive a simple condition for successful decoding using the Koetter-Vardy algorithm for soft-decision decoding of RS codes. We show that the algorithm has a significant advantage over hard decision decoding when the code rate is low, when two or more sets of received symbols have substantially different reliabilities, or when the number of alternative transmitted symbols is very small

Original language	English
Title of host publication	IEEE International Symposium on Information Theory 2005
Place of Publication	Adelaide, Australia
Publisher	IEEE
Publication date	2005
Pages	1183-1185
ISBN (Print)	0-7803-9151-9
DOIs	https://doi.org/10.1109/ISIT.2005.1523528
Publication status	Published - 2005
Event	2005 IEEE International Symposium on Information Theory - Adelaide, Australia Duration: 4 Sept 2005 → 9 Sept 2005 http://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=10215

Conference

Conference	2005 IEEE International Symposium on Information Theory
Country/Territory	Australia
City	Adelaide
Period	04/09/2005 → 09/09/2005
Internet address	http://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=10215

Bibliographical note

Copyright: 2005 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE

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title = "Soft-decision decoding of RS codes",

abstract = "By introducing a few simplifying assumptions we derive a simple condition for successful decoding using the Koetter-Vardy algorithm for soft-decision decoding of RS codes. We show that the algorithm has a significant advantage over hard decision decoding when the code rate is low, when two or more sets of received symbols have substantially different reliabilities, or when the number of alternative transmitted symbols is very small",

author = "J{\o}rn Justesen",

note = "Copyright: 2005 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE; 2005 IEEE International Symposium on Information Theory, ISIT 2005 ; Conference date: 04-09-2005 Through 09-09-2005",

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N1 - Copyright: 2005 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE

PY - 2005

Y1 - 2005

N2 - By introducing a few simplifying assumptions we derive a simple condition for successful decoding using the Koetter-Vardy algorithm for soft-decision decoding of RS codes. We show that the algorithm has a significant advantage over hard decision decoding when the code rate is low, when two or more sets of received symbols have substantially different reliabilities, or when the number of alternative transmitted symbols is very small

AB - By introducing a few simplifying assumptions we derive a simple condition for successful decoding using the Koetter-Vardy algorithm for soft-decision decoding of RS codes. We show that the algorithm has a significant advantage over hard decision decoding when the code rate is low, when two or more sets of received symbols have substantially different reliabilities, or when the number of alternative transmitted symbols is very small

U2 - 10.1109/ISIT.2005.1523528

DO - 10.1109/ISIT.2005.1523528

M3 - Article in proceedings

SN - 0-7803-9151-9

SP - 1183

EP - 1185

BT - IEEE International Symposium on Information Theory 2005

PB - IEEE

CY - Adelaide, Australia

T2 - 2005 IEEE International Symposium on Information Theory

Y2 - 4 September 2005 through 9 September 2005

ER -

Soft-decision decoding of RS codes

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