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Confident Information Coverage Hole Healing in Hybrid Industrial Wireless Sensor Networks
IEEE Transactions on Industrial Informatics ( IF 12.3 ) Pub Date : 2018-05-01 , DOI: 10.1109/tii.2017.2764038
Xianjun Deng , Zujun Tang , Laurence Tianruo Yang , Man Lin , Bang Wang

The emergence of coverage holes will dramatically degrade the quality of service of the industrial wireless sensor networks (IWSNs). Based on the novel confident information coverage (CIC) model, this work focuses on how to heal the CIC holes in hybrid IWSNs containing both static nodes and mobile nodes. We pinpoint the CIC hole healing (CICHH) problem with the goal of selecting and dispatching some randomly scattered mobile nodes to the CIC holes detected by the stationary nodes such that the CIC holes can be repaired and the CIC performance can be satisfied, and prove its NP-completeness. For handling the CICHH problem, we devise two energy-efficient heuristic solutions including a centralized CICHH algorithm and a distributed one. Both the proposed schemes aim at efficiently healing the CIC holes while minimizing the total moving energy consumption of the dispatched mobile nodes, or maximizing the mobile nodes’ average remaining energy after movement, or minimizing the maximum mobile energy consumption of each dispatched mobile node. Experimental simulation results show the proposed schemes can energy-efficiently heal the CIC holes and outperform three peer algorithms in terms of energy efficiency and coverage ratio.

中文翻译:

混合工业无线传感器网络中的可靠信息覆盖漏洞修复

覆盖漏洞的出现将大大降低工业无线传感器网络(IWSN)的服务质量。基于新颖的可信信息覆盖(CIC)模型,这项工作着重于如何修复包含静态节点和移动节点的混合IWSN中的CIC漏洞。我们针对CIC孔修复(CICHH)问题,旨在选择一些随机分散的移动节点并将其分配到固定节点检测到的CIC孔中,从而可以修复CIC孔并满足其CIC性能,并证明了其性能。 NP完整性。为了处理CICHH问题,我们设计了两种节能的启发式解决方案,包括集中式CICHH算法和分布式算法。两种提出的方​​案都旨在有效地修复CIC漏洞,同时最小化调度的移动节点的总移动能量消耗,或最大化移动后移动节点的平均剩余能量,或最小化每个调度的移动节点的最大移动能量消耗。实验仿真结果表明,所提出的方案可以高效地修复CIC漏洞,并且在能效和覆盖率方面均优于三种同类算法。
更新日期:2018-05-01
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