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Generalized Fast List Decoding of PAC Codes

delete2026-01-01
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PRE
AI
W
Wenbo Liu
Z
Zhuolun Wu
张玮 封面图
张玮 (Wei Zhang)
J
Jianhan Zhao
Y
Yaofeng Jiang
刘妍妍 封面图
刘妍妍 (Yanyan Liu)
DOI:10.1109/LWC.2025.3647986delete
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摘要

摘要

En 中文
极化调整卷积(PAC)码是一种最近提出的创新编码方案,它引入了极化变换之前的速率为1的卷积预变换,提供了显著的性能增益,尤其是在接近PAC码(128, 64)的弥散界时。然而,实现这一性能优势需要扩展的列表译码规模,显著增加了译码延迟并限制了其实用性。在本文中,我们提出了PAC码的广义特殊节点,并提供了相应的快速列表译码算法。仿真结果表明,所提出的译码算法具有优越的并行处理能力,且性能降级可忽略不计。具体而言,与当前最优工作相比,PAC码(128, 70)的译码延迟可降低31.75%。
Keyword:
Polarization-adjusted convolutional codes
fast list decoding
special nodes
decoding latency

期刊

I
IEEE Wireless Communications Letters
IF:
5.5
论文数:
705
被引数:
0

机构

T
Tianjin University
学者数:
4.7K
论文数: 1.7K
被引数: 8.5W
N
nankai university
学者数:
4.8W
论文数: 3.3W
被引数: 74
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