Localised sensing strategies for point coverage in directional Wireless Sensor Networks

Authors:
Chiming Huang;Rei-Heng Cheng
Affiliations:
Department of Information Management, Hsuan Chuang University, Hsinchu 300, Taiwan.;Department of Information Management, Hsuan Chuang University, Hsinchu 300, Taiwan
Venue:
International Journal of Ad Hoc and Ubiquitous Computing
Year:
2011

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Quasi-optimal scheduling algorithm for area coverage in multi-functional sensor networks

International Journal of Ad Hoc and Ubiquitous Computing
Quasi-optimal scheduling algorithm for area coverage in multi-functional sensor networks

International Journal of Ad Hoc and Ubiquitous Computing

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Abstract

In traditional Wireless Sensor Networks (WSNs), complete sensing coverage under energy constraint of networks is a basic issue drawing increasing attentions. However, most of the existing methods require global network information to determine the proper configurations of sensors to provide sufficient sensing coverage. In this paper, we address the point coverage problem in directional WSN with adjustable sensing range, orientation and field of view. The proposed strategy is target-oriented; it can cover all target points but consume less energy. Especially, all needed computations can be done locally. Simulation results show the viability and effectiveness of the proposed strategies.