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Coverage Problem of sensor network in Continuous Region
Nandi M.,
Published in Institute of Electrical and Electronics Engineers Inc.
In this paper, we consider well known 'coverage problem' in Wireless Sensor Networks (WSNs) in continuous domain. Here, we discuss optimal placement of sensors and coverage criteria in Rn with special emphasis on R2. Coverage is essential in WSNs, which are two-or three-dimensional systems. When sensors are deployed from air on some previously fixed points (vertices) in the Region of Interest (ROI), they may not fall on the target vertices. So, some part of the ROI may be uncovered by the sensors. In this paper, we consider the problem, how one reduced the uncovered area? To reduce the uncovered area, extra sensors are usually deployed on some randomly chosen vertices. We develop a new strategy for deployment of extra sensors and compare the uncovered areas for these two strategies and for different number of extra sensors, using simulation. © 2019 IEEE.