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A Weight-Based Characterization of the Set of Correctable Error patterns Under List-of-2 Decoding
Linköpings universitet, Institutionen för systemteknik. Linköpings universitet, Tekniska högskolan. (Datatransmission)
2007 (engelsk)Rapport (Annet vitenskapelig)
Abstract [en]

List decoding of block codes is an alternative approach to the decoding problem with appealing qualities. The fairly recent development of efficient algorithms for list decoding of Reed-Solomon codes spur new fuel to the study of this decoding strategy. In this paper we give a weight-based characterization of the set of correctable error patterns under list-of-2 decoding of (tau, 2)-list-decodable linear codes with known weight distribution. We apply our characterization of the set of correctable error patterns to a few codes in a family of low-rate list-of-2 decodable Reed-Solomon codes. We study the increase in error-correction performance obtained in a symmetric AWGN channel by using list-of-2 decoding instead of traditional decoding for these codes. Some simulation results for list-of-2 decoding on QAM channels using the Guruswami-Sudan algorithm for decoding of Reed-Solomon codes are also presented.

sted, utgiver, år, opplag, sider
Institutionen för Systemteknik, Linköpings Universitet. , 2007.
Serie
LiTH-ISY-R, ISSN 1400-3902 ; 2777
Emneord [en]
COMPUTER SCIENCE, THEORY & METHODS, MATHEMATICS, APPLIED
HSV kategori
Identifikatorer
URN: urn:nbn:se:liu:diva-57879ISRN: LiTH-ISY-R-2777OAI: oai:DiVA.org:liu-57879DiVA, id: diva2:328218
Tilgjengelig fra: 2010-07-02 Laget: 2010-07-02 Sist oppdatert: 2014-06-18bibliografisk kontrollert

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