A Transmission Scheme based on QC-LDPC Codes with Matrix Q over AWGN Channel

In this paper, a transmission scheme based on Quasi-Cyclic Low-Density Parity-Check (QC-LDPC) codes with an invertible quasi-cyclic Matrix Q is proposed over Additive White Gaussian Noise (AWGN) channel in order to obtain faster convergence of hard-decision decoding. Combined with the soft informati...

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Published in2022 IEEE/CIC International Conference on Communications in China (ICCC) pp. 621 - 626
Main Authors Bao, Jiayun, Shen, Cuican, Shi, Zhiping, Deng, Li
Format Conference Proceeding
LanguageEnglish
Published IEEE 11.08.2022
Subjects
AWGN channels
Decoding
Error correction
Error correction codes
hard-decision decoding
IEEE 802.16 Standard
Performance gain
Q decoding algorithm
QC-LDPC
RQ decoding algorithm
Simulation
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DOI10.1109/ICCC55456.2022.9880641

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Abstract In this paper, a transmission scheme based on Quasi-Cyclic Low-Density Parity-Check (QC-LDPC) codes with an invertible quasi-cyclic Matrix Q is proposed over Additive White Gaussian Noise (AWGN) channel in order to obtain faster convergence of hard-decision decoding. Combined with the soft information from channel, another improved Reliability-based Q (RQ) decoding algorithm is proposed. The new design can also be applied to QC-LDPC codes in IEEE 802.16e Standards. The simulation results show that the proposed scheme with Q or RQ decoding algorithm has better error correction performance and lower average number of iterations than Bit-Flipping (BF) or weighted Bit-Flipping (WBF) decoding algorith
AbstractList In this paper, a transmission scheme based on Quasi-Cyclic Low-Density Parity-Check (QC-LDPC) codes with an invertible quasi-cyclic Matrix Q is proposed over Additive White Gaussian Noise (AWGN) channel in order to obtain faster convergence of hard-decision decoding. Combined with the soft information from channel, another improved Reliability-based Q (RQ) decoding algorithm is proposed. The new design can also be applied to QC-LDPC codes in IEEE 802.16e Standards. The simulation results show that the proposed scheme with Q or RQ decoding algorithm has better error correction performance and lower average number of iterations than Bit-Flipping (BF) or weighted Bit-Flipping (WBF) decoding algorith
Author Deng, Li
Bao, Jiayun
Shi, Zhiping
Shen, Cuican
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Snippet In this paper, a transmission scheme based on Quasi-Cyclic Low-Density Parity-Check (QC-LDPC) codes with an invertible quasi-cyclic Matrix Q is proposed over...
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StartPage 621
SubjectTerms AWGN channels
Decoding
Error correction
Error correction codes
hard-decision decoding
IEEE 802.16 Standard
Performance gain
Q decoding algorithm
QC-LDPC
RQ decoding algorithm
Simulation
Title A Transmission Scheme based on QC-LDPC Codes with Matrix Q over AWGN Channel
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