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Distributed Energy-Efficient Scheduling Approach for K-Coverage in Wireless Sensor Networks

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4 Author(s)
Vu, C.T. ; Dept. of Comput. Sci., Georgia State Univ., Atlanta, GA ; Shan Gao ; Deshmukh, W.P. ; Yingshu Li

In sensor networks, it is desired to conserve energy so that the network lifetime can be maximized. An efficient approach to prolong the network lifetime is to identify a schedule for all the sensors, indicating which subset of the sensors can be active during the current time slot. Furthermore, to ensure the quality of surveillance, some applications require k-coverage of the monitored area. In this paper, we first define the sensor energy-efficient scheduling for k-coverage (SESK) problem. We further resolve it by proposing a scheduling approach named distributed energy-efficient scheduling for k-coverage DESK such that the energy consumption among all the sensors is balanced while still assuring the k-coverage requirement. This approach is completely distributed as well as localized, which is more practical than centralized ones in wireless sensor networks

Published in:

Military Communications Conference, 2006. MILCOM 2006. IEEE

Date of Conference:

23-25 Oct. 2006