Optimal Two-Weight Codes From Trace Codes Over $\mathbb {F}_2+u\mathbb {F}_2$
Optimal Two-Weight Codes From Trace Codes Over $\mathbb {F}_2+u\mathbb {F}_2$
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DOI:
10.1109/lcomm.2016.2614934
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发表时间:
2016-10
期刊:
影响因子:
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通讯作者:
M. Shi;Yan Liu;P. Solé
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文献类型:
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作者:
M. Shi;Yan Liu;P. Solé
We construct an infinite family of two-Lee-weight codes over the ring F2 t uF2. These codes are defined as trace codes. They have the algebraic structure of abelian codes. Their Lee weight distribution is computed by using character sums. By Gray mapping, we obtain an infinite family of abelian binary two-weight codes. They are shown to be optimal by application of the Griesmer bound. An application to secret sharing schemes is given.