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Two New Families of Asymptotically Optimal Codebooks from Characters of Cyclic Groups

机译:来自循环组字符的两个新系列渐近最佳码本

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摘要

Codebooks with small inner-product correlation have applied in direct spread code division multiple access communications, space-time codes and compressed sensing. In general, it is difficult to construct optimal codebooks achieving the Welch bound or the Levenstein bound. This paper focuses on constructing asymptotically optimal codebooks with characters of cyclic groups. Based on the proposed constructions, two classes of asymptotically optimal codebooks with respect to the Welch bound are presented. In addition, parameters of these codebooks are new.
机译:具有小内部产品相关性的码本已应用于直接扩展码分多址通信,时空码和压缩感测。 通常,难以构建实现韦尔奇绑定或levenstein的最佳码本。 本文侧重于构建具有循环组字符的渐近最佳码本。 基于所提出的结构,提出了两种相对于韦尔奇的渐近最优码本。 此外,这些码本的参数是新的。

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