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cs.IT2025
Constructions of block MDS LDPC codes from punctured circulant matrices
Hongwei Zhu, Xuantai Wu, Jingjie Lv +2
Low density parity check (LDPC) codes, initially discovered by Gallager, exhibit excellent performance in iterative decoding, approaching the Shannon limit. MDS array codes, with f…
cs.IT2024
Combinatorial Constructions of Optimal Quaternary Additive Codes
Chaofeng Guan, Jingjie Lv, Gaojun Luo +1
This paper aims to construct optimal quaternary additive codes with non-integer dimensions. Firstly, we propose combinatorial constructions of quaternary additive constant-weight c…
cs.IT2024
New EVENODD+ Codes with More Flexible Parameters and Lower Complexity
Panyu Zhu
EVENODD+ codes are binary maximum distance separable (MDS) array codes for correcting double disk failures in RAID-6 with asymptotically optimal encoding/decoding/update complexiti…