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A localized inter-actuator network topology repair scheme for wireless sensor and actuator networks

机译:无线传感器和执行器网络的局部执行器间网络拓扑修复方案

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摘要

Node failure is one of the most severe problems that wireless sensor and actuator networks (WSANs) have to deal with. The failure of actuator nodes, in particular, may result in substantial consequences such as network partitioning, incorrect and incomplete decision execution for WSANs. This paper proposes an efficient localized scheme, called LANTR, to repair the damaged topology of inter-actuator network while single actuator node paralyzes. For the failure of an ordinary actuator node, LANTR can rapidly repair the topology through relocating only one-hop neighbors of the failure node, meanwhile, keep the original topology structure as much as possible. Given the magnitude of cut vertex actuators playing on the connectivity, LANTR designs a novel method for each cut vertex to select out a specific guardian node with the minimum degree or minimum cumulative degree from its neighbors, which can reduce the repair influence on the original topology and effectively reduce the coverage loss rate. The performance of the proposed scheme is evaluated and compared with several existing representative topology repair schemes, and the results indicate that LANTR can more effectively and efficiently repair the topology of inter-actuator networks.
机译:节点故障是无线传感器和执行器网络(WSAN)必须处理的最严重的问题之一。特别是执行器节点的故障可能会导致重大后果,例如网络分区,WSAN决策执行不正确和不完整。本文提出了一种有效的本地化方案,称为LANTR,以修复单个执行器节点瘫痪时内部执行器网络的损坏拓扑。对于普通执行器节点的故障,LANTR可以通过仅重新定位故障节点的单跳邻居来快速修复拓扑,同时尽可能保留原始拓扑结构。给定切割顶点致动器在连通性上发挥的作用,LANTR为每个切割顶点设计一种新颖的方法,以从其邻居中选择一个具有最小度或最小累积度的特定守护节点,从而可以减少对原始拓扑的修复影响有效降低覆盖率。对该方案的性能进行了评估,并与几种现有的代表性拓扑修复方案进行了比较,结果表明,LANTR可以更有效地修复驱动器间网络的拓扑。

著录项

  • 来源
    《Communications, China》 |2019年第2期|215-232|共18页
  • 作者单位

    Kunming Univ Sci & Technol, Yunnan Key Lab Comp Technol Applicat, Kunming 650500, Yunnan, Peoples R China;

    Kunming Univ Sci & Technol, Yunnan Key Lab Comp Technol Applicat, Kunming 650500, Yunnan, Peoples R China;

    Nanjing Changjiang Elect Grp Co Ltd, Comp Technol, Nanjing 210038, Jiangsu, Peoples R China;

    Kunming Univ Sci & Technol, Yunnan Key Lab Comp Technol Applicat, Kunming 650500, Yunnan, Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    wireless sensor and actuator networks; inter-actuator networks; topology repair; coverage loss rate;

    机译:无线传感器和执行器网络;静执行器网络;拓扑修复;覆盖损失率;

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