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Erschienen in:
2016 | OriginalPaper | Buchkapitel
Trust Based Target Coverage Protocol for Wireless Sensor Networks Using Fuzzy Logic
verfasst von : Pooja Chaturvedi, A. K. Daniel
Erschienen in: Distributed Computing and Internet Technology
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Abstract
Wireless sensor network constitute a class of real time embedded systems having limited resources. Target coverage problem is concerned with the continuous monitoring of a set of targets such that the network lifetime is maximized with the consideration of resource constraints. In this paper we propose a node scheduling protocol for target coverage problem on the basis of node contribution, coverage probability and trust values, where the set covers are computed dynamically using time stamping. The time stamping is a factor of threshold of the coverage level. We have evaluated the performance of the proposed protocol by varying the number of nodes and targets. The results show that the proposed scheme improves the network lifetime in terms of energy consumption and the reliability of the data communicated in comparison to the naïve approach in which all the nodes are activated at once. The results show that the network lifetime is proportional to the energy savings under a constant environment.