On Optimal Pseudo-cyclic (r, δ) Locally Repairable Codes

被引:0
|
作者
Chen, Bin [1 ]
Xia, Shu-Tao [1 ]
Hao, Jie [2 ]
Fu, Fang-Wei [3 ,4 ]
机构
[1] Tsinghua Univ, Grad Sch Shenzhen, Shenzhen, Peoples R China
[2] Beijing Univ Posts & Telecommun, Informat Secur Ctr, Beijing, Peoples R China
[3] Nankai Univ, Chern Inst Math, Tianjin, Peoples R China
[4] Nankai Univ, LPMC, Tianjin, Peoples R China
基金
中国国家自然科学基金;
关键词
D O I
暂无
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
Pseudo-cyclic codes is a generalization of cyclic codes and provides a way to obtain MDS codes with more parameters in coding theory. Specially, if a is not a quadratic residue in F-q, x(n) - a only has quadratic factors over F-q for even n and k. Based on these facts, we consider the constructions of optimal q - ary pseudo-cyclic (r, delta) locally repairable codes (LRCs) with length n vertical bar q + 1 in this paper. To be specific, we obtain four classes of optimal pseudo- cyclic (r, delta)-LRCs with new parameters.
引用
收藏
页码:1191 / 1195
页数:5
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