Self-healing sensor networks with distributed decision making
Self-healing sensor networks with distributed decision making
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DOI：
10.1504/ijsnet.2007.014354
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发表时间：
2007-07
期刊：
影响因子：
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通讯作者：
Xiaojiang Du;Ming Zhang;K. Nygard;S. Guizani;Hsiao-Hwa Chen
中科院分区：
文献类型：
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作者：
Xiaojiang Du;Ming Zhang;K. Nygard;S. Guizani;Hsiao-Hwa Chen
传感器的随机位置和传感器故障会导致覆盖空洞、路由空洞和断开，从而降低传感器网络的性能。在本文中，我们提出了一个自我修复的方法，利用几个移动的传感器来处理的问题。移动的传感器可以移动到具有覆盖空洞或路由空洞的区域，并显著提高网络性能。我们设计了分布式算法来检测覆盖漏洞，估计漏洞大小和修复漏洞。一个移动的传感器可能会从不同的区域接收多个修复请求，并且它可能没有网络的完整信息。提出了一种基于模糊逻辑的移动的传感器分布式决策算法。大量的仿真结果表明，所提出的算法具有良好的性能。
Sensor random locations and sensor failures can cause coverage holes, routing voids and disconnections and thus degrade sensor network performance. In this paper, we present a self-healing approach that utilises a few mobile sensors to deal with the problems. A mobile sensor can move to an area with a coverage hole or routing void and significantly improve network performance. We design distributed algorithms to detect coverage holes, estimate hole size and repair holes. A mobile sensor may receive multiple repair requests from different areas and it may not have complete information of the network. We present a fuzzy-logic-based distributed decision-making algorithm for mobile sensors. Extensive simulations demonstrate the good performance of proposed algorithms.