A Multi-Node Exact Repair Method in Cloud Storage Based on Interference Alignment

XIE Xian-zhong; HUANG Qian; WANG Liu-su; MA Bin

doi:10.3969/j.issn.0372-2112.2014.10.001

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A Multi-Node Exact Repair Method in Cloud Storage Based on Interference Alignment

更新时间：2025-07-16

- A Multi-Node Exact Repair Method in Cloud Storage Based on Interference Alignment
- Acta Electronica Sinica Vol. 42, Issue 10, Pages: 1873-1881(2014)
- 作者机构：
  
  重庆邮电大学宽带接入网络研究所,重庆,400065
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0372-2112.2014.10.001
  CLC： TP302.8
- Published：2014
- 稿件说明：
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XIE Xian-zhong, HUANG Qian, WANG Liu-su, et al. A Multi-Node Exact Repair Method in Cloud Storage Based on Interference Alignment[J]. Acta Electronica Sinica, 2014, 42(10): 1873-1881.
DOI：

XIE Xian-zhong, HUANG Qian, WANG Liu-su, et al. A Multi-Node Exact Repair Method in Cloud Storage Based on Interference Alignment[J]. Acta Electronica Sinica, 2014, 42(10): 1873-1881. DOI： 10.3969/j.issn.0372-2112.2014.10.001.

摘要

本文提出了一种基于干扰对齐的满足MDS性质的多节点精确修复码(MMSR).首先利用柯西矩阵构造MMSR码的生成矩阵

使其适用干扰对齐技术

并同时修复多个节点.然后讨论了MMSR码同步修复和异步修复方案的优缺点.最后证明了MMSR码的MDS性质

并通过一个(7

5)-MMSR码的数据重建方案验证了MMSR码的MDS性质和可行性.

Abstract

We proposed a Multi-node exact Minimum Storage Regenerating code (MMSR code) based on interference alignment which is satisfying MDS nature.First

we designed the generator matrix of the storage nodes of MMSR code by Cauchy matrix

for the purposes that using interference alignment technology and repair multi-node simultaneously.Then we discussed the advantages and disadvantages of the synchronous repair mode and asynchronous repair mode.Finally

we proved the MDS nature of MMSR code and proposed a specific data reconstruction scheme for the (7

5)-MMSR code to verify the MDS nature and feasibility of MMSR code.

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