Gray codes over certain run-length sequences for local rank modulation

Gray codes over certain run-length sequences for local rank modulation
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用于局部秩调制的某些游程长度序列上的格雷码

DOI:
10.1007/s11432-018-9509-y
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发表时间:
2018-08
期刊:
Science China: Information Sciences
影响因子:
--
通讯作者:
Fu Fangwei
Fu Fangwei
中科院分区:
其他
文献类型:
--
作者:
Wang Xiang;Fu Fangwei

文献摘要

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相似文献

在局部秩调制(LRM)方案中,滑动窗口通过在变量序列上移动来产生排列序列。LRM已经被提出作为在闪存中存储数据的方法,其代表经典秩调制方案的自然推广。在本文中,我们提出了一个研究格雷码在一定的游程长度序列的(1,2,n)-LRM方案模拟虚拟多级闪存单元,同时保持LRM的优点。与以往的研究不同的LRM计划,我们提出了格雷码在某些游程长度序列的(1,2,n)-LRM计划。这类格雷码可以克服在秩调制方案和用于LRM的某些格雷码中所需的许多不同的电荷水平的缺点。此外,我们证明了所提出的代码有一个渐进的最优速率。
In the local rank modulation (LRM) scheme, a sliding window produces a sequence of permutations by moving over a sequence of variables. LRM has been presented as a method of storing data in flash memory, which represents a natural generalization of the classical rank modulation scheme. In this paper, we present a study on Gray codes over certain run-length sequences for the (1, 2,n)-LRM scheme to simulate virtual multilevel flash memory cells while maintaining the advantages of LRM. Unlike previous studies on the LRM scheme, we present Gray codes over certain run-length sequences in the (1, 2,n)-LRM scheme. This class of Gray codes can overcome the drawback of the many distinct charge levels required in the rank modulation scheme and in certain Gray codes for LRM. Furthermore, we demonstrate that the proposed codes have an asymptotically optimal rate.
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