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arXiv 2201.12238cs.ITmath.IT
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局部平衡约束的编码方案

Coding schemes for locally balanced constraints

Chen Wang, Ziyang Lu, Zhaojun Lan, Gennian Ge, Yiwei Zhang

摘要:

受DNA存储应用的启发,我们研究了满足局部平衡约束的二进制字符串的显式编码和解码方案,其中$(\ell,δ)$ -局部平衡约束要求长度为$\ell$的任意连续子串的权重介于$\frac{\ell}{2}-δ$和$\frac{\ell}{2}+δ$之间.在本文中,我们提出了编码计划的强局部平衡约束和局部平衡约束,分别。此外,我们引入了一个额外的结果的线性递归公式的二进制字符串的数量是$(6,1)$ -局部平衡的,作为进一步的尝试,无论是容量特性和新的编码策略,局部平衡的约束。

英文摘要:

Motivated by applications in DNA-based storage, we study explicit encoding and decoding schemes of binary strings satisfying locally balanced constraints, where the $(\ell,δ)$-locally balanced constraint requires that the weight of any consecutive substring of length $\ell$ is between $\frac{\ell}{2}-δ$ and $\frac{\ell}{2}+δ$. In this paper we present coding schemes for the strongly locally balanced constraints and the locally balanced constraints, respectively. Moreover, we introduce an additional result on the linear recurrence formula of the number of binary strings which are $(6,1)$-locally balanced, as a further attempt to both capacity characterization and new coding strategies for locally balanced constraints.

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