Abstract
The approach of using topology control to reduce interference in wireless sensor networks has attracted attention of many researchers. There are several definitions of interference in the literature. In a wireless sensor network, the interference at a node may be caused by an edge that is transmitting data [16], or it occurs because the node itself is within the transmission range of another [2], [4], [7]. The interference load of a node is either the number of nodes in the broadcasting disk defined by this node or the number of nodes whose disks cover it [2], [4], [7]. In this paper we show that the problem of assigning power level to a set of nodes in the plane to yield a connected geometric graph whose total node interference is bounded is NP-complete under both definitions. We also introduce some heuristics as well as a simplified version of an O(logn) approximation algorithm in [10] and study their performance through simulation.
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© 2010 ICST Institute for Computer Science, Social Informatics and Telecommunications Engineering
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Lam, N.X., Nguyen, T.N., Huynh, D.T. (2010). Minimum Total Node Interference in Wireless Sensor Networks. In: Zheng, J., Simplot-Ryl, D., Leung, V.C.M. (eds) Ad Hoc Networks. ADHOCNETS 2010. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 49. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-17994-5_35
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DOI: https://doi.org/10.1007/978-3-642-17994-5_35
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