论文标题

两个NegacyClic BCH代码的家族

Two families of negacyclic BCH codes

论文作者

Wang, Xiaoqiang, Sun, Zhonghua, Ding, Cunsheng

论文摘要

NegacyClic BCH代码是Neagcyclic代码的子类,在许多情况下是最好的线性代码。但是,关于NegacyClic BCH代码的结果很少。让$ q $是奇怪的素数,$ m $是一个正整数。本文的目的是研究具有长度$ \ frac {q^m-1} {2} $和$ \ frac {q^m+1} {2} $的NegacyClic BCH代码,上面是有限字段$ \ mathbf(q)$ $。本文中介绍的NegacyClic BCH代码通常具有良好的参数,并且包含许多最佳线性代码。对于某些$ q $和$ m $,与具有相同尺寸和长度的循环代码相比,本文中介绍的NegacyClic BCH代码在某些情况下具有更大的最小距离。

Negacyclic BCH codes are a subclass of neagcyclic codes and are the best linear codes in many cases. However, there have been very few results on negacyclic BCH codes. Let $q$ be an odd prime power and $m$ be a positive integer. The objective of this paper is to study negacyclic BCH codes with length $\frac{q^m-1}{2}$ and $\frac{q^m+1}{2}$ over the finite field $\mathbf(q)$ and analyse their parameters. The negacyclic BCH codes presented in this paper have good parameters in general, and contain many optimal linear codes. For certain $q$ and $m$, compared with cyclic codes with the same dimension and length, the negacyclic BCH codes presented in this paper have a larger minimum distance in some cases.

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