A Vector Algebraic Algorithm for Coverage Compensation in Hybrid Wireless Sensor Networks

Ning-ning Qin, Li-xia Guo, Zhi-guo Ding and Bao-guo Xu

International Journal of Distributed Sensor Networks, 2013, vol. 9, issue 11, 928528

Abstract: In wireless sensor networks, coverage holes are caused by energy depletion at some nodes, and the aim of this paper is to study how to utilize the redundant nodes with remaining energy. Particularly, this paper proposes a vector algebra based algorithm by exploring redundant nodes as an extra dimension for coverage compensation. This algorithm consists of two parts. One is to find the locations of potential redundant nodes for coverage compensation; and the other is to opportunistically select the best redundant nodes by jointly considering the hole boundaries and the remaining energy of nodes. Simulation results are provided to demonstrate that the proposed algorithm minimizes the energy consumption when repairing the holes for full coverage. Furthermore, compared with other algorithms, the proposed one exhibits better performance in terms of moving distance and energy consumption.

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:sae:intdis:v:9:y:2013:i:11:p:928528

DOI: 10.1155/2013/928528

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