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Generalized IRA Erasure Correcting Codes for Hybrid Iterative / Maximum Likelihood Decoding

Paolini, Enrico and Liva, Gianluigi and Matuz, Balázs and Chiani, Marco (2008) Generalized IRA Erasure Correcting Codes for Hybrid Iterative / Maximum Likelihood Decoding. Communications Letters, IEEE, 12 (6), pp. 450-452.

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Abstract

The design of low-density parity-check (LDPC) codes under hybrid iterative / maximum likelihood decoding is addressed for the binary erasure channel (BEC). Specifically, we focus on generalized irregular repeat-accumulate (GeIRA) codes, which offer both efficient encoding and design flexibility. We show that properly designed GeIRA codes tightly approach the performance of an ideal maximum distance separable (MDS) code, also for short block sizes. For example, our (2048, 1024) code reaches a codeword error rate of 10e-5 at channel erasure probability epsilon=0.450, where an ideal code would reach the same error rate for epsilon=0.453.

Document Type:Article
Title:Generalized IRA Erasure Correcting Codes for Hybrid Iterative / Maximum Likelihood Decoding
Authors:
AuthorsInstitution or Email of Authors
Paolini, EnricoUniversity of Bologna
Liva, GianluigiUNSPECIFIED
Matuz, BalázsUNSPECIFIED
Chiani, MarcoUniversity of Bologna
Date:June 2008
Journal or Publication Title:Communications Letters, IEEE
Refereed publication:Yes
In ISI Web of Science:Yes
Volume:12
Page Range:pp. 450-452
Status:Published
Keywords:LDPC codes, generalized irregular repeat-accumulate codes, binary erasure channel, hybrid decoding
HGF - Research field:other
HGF - Program:other
HGF - Program Themes:other
DLR - Research area:no assignement
DLR - Program:no assignment
DLR - Research theme (Project):other
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Communication and Navigation > Digital Networks
Deposited By: Balazs Matuz
Deposited On:23 Jul 2008
Last Modified:27 Apr 2009 15:05

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