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Perturbed Derivative Decoding Based on Ordered Statistics for Cyclic Codes

delete2026-03-24
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PRE
AI
S
Shuyan Yu
T
Tianyu Li
Q
Qin Huang
DOI:10.1109/TCOMM.2026.3677154delete
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摘要

摘要

En 中文
已有研究表明,扰动可以提升有序统计译码(OSD)的性能。本文聚焦于循环码的基于OSD的导数译码(DD-OSD)中的扰动,其中不同导数方向的OSD结果对码字估计进行投票。研究发现,导数方向上的局部最大似然译码(l-MLD)错误可能会使DD-OSD陷入陷阱。证明表明,此类陷阱可通过循环码的导数升元的零空间检测,从而指导我们通过扰动来避免陷阱。仿真结果表明,对于扩展BCH码,一阶扰动的DD-OSD相较于四阶OSD可带来1.3 dB的增益,且在中等复杂度下性能接近最大似然译码。
Keyword:
Ordered statistics decoding
derivative decoding
perturbation

期刊

IEEE Transactions on Communications 封面图
IEEE Transactions on Communications
IF:
8.3
论文数:
1.2W
被引数:
3.6W

机构

B
beihang university
学者数:
5.2K
论文数: 2.0K
被引数: 21
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