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Improved DV-Hop localization algorithm for wireless nodes in the smart grid

In this paper, we will analyze the DV - HOP localization algorithm and explain the causes of errors. In order to improve the accuracy, in this paper, an improved algorithm is proposed. Particle swarm optimization for nodes localization algorithm in WSN based on hopping distances error-weighted was presented. The simulation results compared with the traditional localization algorithm show that algorithm improved effectively.