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The coverage and connectivity problem in sensor networks has received significant attention of the research community in the recent years. In this paper, we study this problem for sensors deployed in temperature sensitive environments. This paper is motivated by the issues encountered during deployment of bio-sensors in a human/animal body. Radio transmitters during operation dissipate energy and...
We propose new algorithms to achieve k-coverage in dense sensor networks. In such networks, covering sensor locations approximates covering the whole area. However, it has been shown before that selecting the minimum set of sensors to activate from an already deployed set of sensors is NP-hard. We propose an efficient approximation algorithm which achieves a solution of size within a logarithmic factor...
In wireless sensor networks, data fusion (in-network processing) is a critical issue because sensor networks are energy-constrained and bandwidth-constrained. Recently, a new scheme based on mobile agent has been proposed to solve the problem. The order and number of nodes on the route traversed by a mobile agent determine the energy consumption and hence, have a significant impact on the overall...
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