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It is often useful to know the location of nodes in wireless sensor network, but GPS enabled sensor nodes can be expensive. In this paper, we studied and analyzed Senelex (Sensor Network Localization Explorer). We have explored the self-localization performance for arbitrary sensor network based on Cramer-Rao bound. This Paper presents the analysis of range based schemes on the basis of few network parameters (Network Size, Anchor node Density, Array node density) with the metric Standard Deviation of localization error. Lesser the deviation greater the accuracy, thus all the network parameters show their own characteristics.
Date of Conference: 13-16 Feb. 2011