Two-Layer Storage Scheme and Repair Method of Failure Data in Wireless Sensor Networks
作者： Yulong Shen , Xiaowei Dang , Min Shu , Ning Xi , Jianfeng Ma
DOI: 10.1155/2012/868943
关键词:
摘要: Distributed data storage is a key technology in the collection wireless sensor networks. The scheme based on network coding applied to networks because of its high reliability and low overhead. However, it an open problem reduce repair communication overhead caused by failure nodes. This paper focuses this issue presents two-layer distributed scheme. lower-layer nodes store encoded blocks upper-layer re-encoded that are responsible for recovery. Based scheme, method proposed decrease with only sacrificing lower Compared MSR, interference alignment-based group alignment has We prove can times suitable resource-constrained
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