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A New Refinement Method for Mirror Error in WSN Localization

To improve the performance of ranging algorithm in localization accuracy, RMMS (a new refinement method for mirror error based on semi-circle model) algorithm in wireless sensor networks is proposed in this paper. Firstly, we present semi-circle model to compute error nodes’ minimum residence area. Secondly, we present determination method for error nodes’ minimum error position. Finally, we use MatLab version 7.0 to simulate its performance, simulation result shows that the algorithm can obtain a better position accuracy and fault tolerance in large scale network. And it can weaken the mirror error effectively.