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Article:A New Iterative Threshold Decoding Algorithm for One Step Majority Logic Decodable Block Codes

by M. Lahmer, M. Belkasmi
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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 7 - Number 7
Year of Publication: 2010
Authors: M. Lahmer, M. Belkasmi
10.5120/1265-1697

M. Lahmer, M. Belkasmi . Article:A New Iterative Threshold Decoding Algorithm for One Step Majority Logic Decodable Block Codes. International Journal of Computer Applications. 7, 7 ( October 2010), 12-18. DOI=10.5120/1265-1697

@article{ 10.5120/1265-1697,
author = { M. Lahmer, M. Belkasmi },
title = { Article:A New Iterative Threshold Decoding Algorithm for One Step Majority Logic Decodable Block Codes },
journal = { International Journal of Computer Applications },
issue_date = { October 2010 },
volume = { 7 },
number = { 7 },
month = { October },
year = { 2010 },
issn = { 0975-8887 },
pages = { 12-18 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume7/number7/1265-1697/ },
doi = { 10.5120/1265-1697 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T19:55:42.848383+05:30
%A M. Lahmer
%A M. Belkasmi
%T Article:A New Iterative Threshold Decoding Algorithm for One Step Majority Logic Decodable Block Codes
%J International Journal of Computer Applications
%@ 0975-8887
%V 7
%N 7
%P 12-18
%D 2010
%I Foundation of Computer Science (FCS), NY, USA
Abstract

The performance of iterative decoding algorithm for one-step majority logic decodable (OSMLD) codes is investigated. We introduce a new soft-in soft-out of APP threshold algorithm which is able to decode theses codes nearly as well as belief propagation (BP) algorithm. However the computation time of the proposed algorithm is very low. The developed algorithm can also be applied to product codes and parallel concatenated codes based on block codes. Numerical results on both AWGN and Rayleigh channels are provided. The performance of iterative decoding of parallel concatenated code (17633,8595) with rate 0.5 is only 1.8 dB away from the Shannon capacity limit at a BER of 10-5.

References
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Index Terms

Computer Science
Information Sciences

Keywords

One step majority logic decodable codes OSMLD iterative threshold decoding parallel concatenated block codes product codes

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