Abstract
DV-Hop localization algorithm is a classic range free localization algorithm in wireless sensor networks (WSNs). Although easy to be employed in low cost and resource limited WSNs, DV-Hop localization algorithm suffers from low localization accuracy as the other range free localization approaches. To improve the localization accuracy, in this paper we introduce Bacterial Foraging Optimization (BFO), an efficient optimization method that has been widely applied in a variety of scientific and engineering applications. We conduct extensive simulations under different network setting, the simulation results demonstrate that the proposed algorithm achieves significantly higher positioning accuracy than the basic DV-Hop algorithm.
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