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Classification of optimal (v,k,1) binary cyclically permutable constant weight codes with k=5,6 and 7 and small lengths

机译:最优(v,k,1)二进制可循环置换的恒权码,其k = 5,6和7且长度较小

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摘要

We classify optimal (v,k,1) binary cyclically permutable constant weight (CPCW) codes with small v and k=5,6 and 7. Binary CPCW codes have multiple applications in contemporary communications and are closely related to cyclic binary constant weight codes, difference packings, optical orthogonal codes, cyclic difference families and cyclic block designs. The presented small length codes can be used in relevant applications, as well as with recursive constructions for bigger lengths. We also establish that a (127,7,1) cyclic difference family does not exist.
机译:我们将具有小的v且k = 5,6和7的最优(v,k,1)二进制循环可置换恒定权重(CPCW)码分类。二进制CPCW码在当代通信中具有多种应用,并且与循环二进制恒权码密切相关,差异填充,光学正交码,循环差异族和循环块设计。所呈现的小长度代码可用于相关应用,以及用于较大长度的递归结构。我们还确定不存在(127,7,1)循环差分族。

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