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PARAMETERS OF LCD BCH CODES WITH TWO LENGTHS

机译:LCD BCH代码的参数,具有两个长度

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摘要

In this paper, we study LCD BCH codes over the finite field GF(q) with two types of lengths n, where n = q(l) + 1 and n = (q(l) + 1)/(q + 1). Several classes of LCD BCH codes are given and their parameters are determined or bounded by exploring the cyclotomic cosets modulo n. For n = q(l) + 1, we determine the dimensions of the codes with designed distance delta, where q(left perpendicular l+1/2 right perpendicular) + 1 <= delta <= q(left perpendicular l+3/2 right perpendicular) + 1. For n = (q(l) + 1)/(q + 1), the dimensions of the codes with designed distance delta are presented, where 2 <= delta <= q(l-1/2) + 1.
机译:在本文中,我们在具有两种类型的长度N上的有限场GF(Q)上的LCD BCH代码,其中n = q(l)+ 1和n =(q(l)+ 1)/(q + 1) 。 给出了几类LCD BCH代码,并且通过探索紧固卵卵模块N来确定或界定它们的参数。 对于n = q(l)+ 1,我们确定具有设计距离delta的代码的尺寸,其中q(左侧垂直l + 1/2右垂直)+ 1 <= delta <= q(左垂直l + 3 / 2右垂直)+ 1.对于n =(q(l)+ 1)/(q + 1),提出了设计距离Δ的代码的尺寸,其中2 <= delta <= q(l-1 / 2)+ 1。

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