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环$M_2(\F_2)$上的循环码

Cyclic codes over $M_2(\F_2)$

Adel Alahmadi, Patrick Solé, Houda Sboui, Olfa Yemen

摘要:

标题中的环是第一个被用作分组码字母表的非交换环。最初的动机是从码构造一些四元数模格。新的应用是从黄金码级联获得的空时码的建设。本文给出了该环上循环码的结构定理,并利用它们刻画了自对偶循环码存在的长度。这些代码反过来又产生形式上的自对偶四元码。

英文摘要:

The ring in the title is the first non commutative ring to have been used as alphabet for block codes. The original motivation was the construction of some quaternionic modular lattices from codes. The new application is the construction of space time codes obtained by concatenation from the Golden code. In this article, we derive structure theorems for cyclic codes over that ring, and use them to characterize the lengths where self dual cyclic codes exist. These codes in turn give rise to formally self dual quaternary codes.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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