Improvement of SP Decoding Considering the Influence of Recording Patterns by Neural Network in SMR
Publication type: Journal Article
Publication date: 2024-09-01
scimago Q2
wos Q3
SJR: 0.729
CiteScore: 4.8
Impact factor: 1.9
ISSN: 00189464, 19410069
Abstract
We study a low-density parity-check (LDPC) encoding and iterative decoding system for a shingled magnetic recording (SMR). In particular, we show the usefulness of applying a neural network in iterative decoding. We previously adopted the neural network to evaluate the log-likelihood ratio (LLR) related to row operations on the parity check matrix for the decoding target bit and improved the sum-product (SP) decoding. In this study, we propose to update the LLR considering the influence of noise depending on the recording pattern by providing the LLRs for the decoding target and its adjacent bits to the neural network in SP decoding. In addition, we explore the parameters to update the LLRs by applying the genetic algorithm (GA) to achieve more effective iterative decoding.
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Institute of Electrical and Electronics Engineers (IEEE)
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Nishikawa M. et al. Improvement of SP Decoding Considering the Influence of Recording Patterns by Neural Network in SMR // IEEE Transactions on Magnetics. 2024. Vol. 60. No. 9. pp. 1-5.
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Nishikawa M., Nishikawa M., Nakamura Y., Kanai Y., Okamoto Y. Improvement of SP Decoding Considering the Influence of Recording Patterns by Neural Network in SMR // IEEE Transactions on Magnetics. 2024. Vol. 60. No. 9. pp. 1-5.
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TY - JOUR
DO - 10.1109/tmag.2024.3402814
UR - https://ieeexplore.ieee.org/document/10534790/
TI - Improvement of SP Decoding Considering the Influence of Recording Patterns by Neural Network in SMR
T2 - IEEE Transactions on Magnetics
AU - Nishikawa, Madoka
AU - Nishikawa, M
AU - Nakamura, Yasuaki
AU - Kanai, Y.
AU - Okamoto, Y
PY - 2024
DA - 2024/09/01
PB - Institute of Electrical and Electronics Engineers (IEEE)
SP - 1-5
IS - 9
VL - 60
SN - 0018-9464
SN - 1941-0069
ER -
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@article{2024_Nishikawa,
author = {Madoka Nishikawa and M Nishikawa and Yasuaki Nakamura and Y. Kanai and Y Okamoto},
title = {Improvement of SP Decoding Considering the Influence of Recording Patterns by Neural Network in SMR},
journal = {IEEE Transactions on Magnetics},
year = {2024},
volume = {60},
publisher = {Institute of Electrical and Electronics Engineers (IEEE)},
month = {sep},
url = {https://ieeexplore.ieee.org/document/10534790/},
number = {9},
pages = {1--5},
doi = {10.1109/tmag.2024.3402814}
}
Cite this
MLA
Copy
Nishikawa, Madoka, et al. “Improvement of SP Decoding Considering the Influence of Recording Patterns by Neural Network in SMR.” IEEE Transactions on Magnetics, vol. 60, no. 9, Sep. 2024, pp. 1-5. https://ieeexplore.ieee.org/document/10534790/.