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EMS decoding algorithm that introduced shuffled strategy and improved variable node update

Non-binary LDPC codes have excellent performance, but the decoding algorithm is complex. EMS algorithm reduces the search space of the check equation by truncating the iterative message vector, and exchanges performance for lower complexity. In this paper, we propose an EMS decoding algorithm (Shuff...

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Main Authors: Cao, Xiawei, Ji, Yuanfa, Sun, Xiyan, Liang, Weibin, Kamarul Hawari, Ghazali
Format: Conference or Workshop Item
Language:English
English
Published: Institute of Electrical and Electronics Engineers Inc. 2022
Subjects:
T Technology (General)
TA Engineering (General). Civil engineering (General)
TK Electrical engineering. Electronics Nuclear engineering
Online Access:http://umpir.ump.edu.my/id/eprint/39428/1/EMS%20Decoding%20Algorithm%20that%20Introduced%20Shuffled%20Strategy%20and%20Improved.pdf
http://umpir.ump.edu.my/id/eprint/39428/2/EMS%20decoding%20algorithm%20that%20introduced%20shuffled%20strategy%20and%20improved%20variable%20node%20update_ABS.pdf
http://umpir.ump.edu.my/id/eprint/39428/
https://doi.org/10.1109/ICCCS55155.2022.9846351
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spelling my.ump.umpir.394282023-11-29T04:11:55Z http://umpir.ump.edu.my/id/eprint/39428/ EMS decoding algorithm that introduced shuffled strategy and improved variable node update Cao, Xiawei Ji, Yuanfa Sun, Xiyan Liang, Weibin Kamarul Hawari, Ghazali T Technology (General) TA Engineering (General). Civil engineering (General) TK Electrical engineering. Electronics Nuclear engineering Non-binary LDPC codes have excellent performance, but the decoding algorithm is complex. EMS algorithm reduces the search space of the check equation by truncating the iterative message vector, and exchanges performance for lower complexity. In this paper, we propose an EMS decoding algorithm (Shuffled_VNU_EMS) with a shuffled strategy and improved variable node update. This algorithm updates by column, so that the latest variable node information of the last column can be used. At the same time, to reduce the information oscillation, a weighting factor ß is introduced when updating the variable node information,ß= 0.9. The simulation results show that when the code length is 512, the code rate is 0.5 and the bit error rate is 10-4, the coding gain of the shuffled VNU EMS algorithm proposed in this paper is 0.18 dB higher than that of the classical EMS algorithm. Institute of Electrical and Electronics Engineers Inc. 2022 Conference or Workshop Item PeerReviewed pdf en http://umpir.ump.edu.my/id/eprint/39428/1/EMS%20Decoding%20Algorithm%20that%20Introduced%20Shuffled%20Strategy%20and%20Improved.pdf pdf en http://umpir.ump.edu.my/id/eprint/39428/2/EMS%20decoding%20algorithm%20that%20introduced%20shuffled%20strategy%20and%20improved%20variable%20node%20update_ABS.pdf Cao, Xiawei and Ji, Yuanfa and Sun, Xiyan and Liang, Weibin and Kamarul Hawari, Ghazali (2022) EMS decoding algorithm that introduced shuffled strategy and improved variable node update. In: 2022 7th International Conference on Computer and Communication Systems, ICCCS 2022, 22-25 April 2022 , Wuhan. pp. 398-402. (181990). ISBN 978-166545060-7 https://doi.org/10.1109/ICCCS55155.2022.9846351
institution Universiti Malaysia Pahang Al-Sultan Abdullah
building UMPSA Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Pahang Al-Sultan Abdullah
content_source UMPSA Institutional Repository
url_provider http://umpir.ump.edu.my/
language English
English
topic T Technology (General)
TA Engineering (General). Civil engineering (General)
TK Electrical engineering. Electronics Nuclear engineering
spellingShingle T Technology (General)
TA Engineering (General). Civil engineering (General)
TK Electrical engineering. Electronics Nuclear engineering
Cao, Xiawei
Ji, Yuanfa
Sun, Xiyan
Liang, Weibin
Kamarul Hawari, Ghazali
EMS decoding algorithm that introduced shuffled strategy and improved variable node update
description Non-binary LDPC codes have excellent performance, but the decoding algorithm is complex. EMS algorithm reduces the search space of the check equation by truncating the iterative message vector, and exchanges performance for lower complexity. In this paper, we propose an EMS decoding algorithm (Shuffled_VNU_EMS) with a shuffled strategy and improved variable node update. This algorithm updates by column, so that the latest variable node information of the last column can be used. At the same time, to reduce the information oscillation, a weighting factor ß is introduced when updating the variable node information,ß= 0.9. The simulation results show that when the code length is 512, the code rate is 0.5 and the bit error rate is 10-4, the coding gain of the shuffled VNU EMS algorithm proposed in this paper is 0.18 dB higher than that of the classical EMS algorithm.
format Conference or Workshop Item
author Cao, Xiawei
Ji, Yuanfa
Sun, Xiyan
Liang, Weibin
Kamarul Hawari, Ghazali
author_facet Cao, Xiawei
Ji, Yuanfa
Sun, Xiyan
Liang, Weibin
Kamarul Hawari, Ghazali
author_sort Cao, Xiawei
title EMS decoding algorithm that introduced shuffled strategy and improved variable node update
title_short EMS decoding algorithm that introduced shuffled strategy and improved variable node update
title_full EMS decoding algorithm that introduced shuffled strategy and improved variable node update
title_fullStr EMS decoding algorithm that introduced shuffled strategy and improved variable node update
title_full_unstemmed EMS decoding algorithm that introduced shuffled strategy and improved variable node update
title_sort ems decoding algorithm that introduced shuffled strategy and improved variable node update
publisher Institute of Electrical and Electronics Engineers Inc.
publishDate 2022
url http://umpir.ump.edu.my/id/eprint/39428/1/EMS%20Decoding%20Algorithm%20that%20Introduced%20Shuffled%20Strategy%20and%20Improved.pdf
http://umpir.ump.edu.my/id/eprint/39428/2/EMS%20decoding%20algorithm%20that%20introduced%20shuffled%20strategy%20and%20improved%20variable%20node%20update_ABS.pdf
http://umpir.ump.edu.my/id/eprint/39428/
https://doi.org/10.1109/ICCCS55155.2022.9846351
_version_ 1822923875076276224
score 13.232389

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