Secure and Lightweight Localization Method for Wireless Sensor Networks
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概要
- 論文の詳細を見る
With the increased deployment of wireless sensor networks (WSNs) in location-based services, the need for accurate localization of sensor nodes is gaining importance. Sensor nodes in a WSN localize themselves with the help of anchors that know their own positions. Some anchors may be malicious and provide incorrect information to the sensor nodes. In this case, accurate localization of a sensor node may be severely affected. In this study, we propose a secure and lightweight localization method. In the proposed method, uncertainties in the estimated distance between the anchors and a sensor node are taken into account to improve localization accuracy. That is, we minimize the weighted summation of the residual squares. Simulation results show that our method is very effective for accurate localization of sensor nodes. The proposed method can accurately localize a sensor node in the presence of malicious anchors and it is computationally efficient.
著者
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KIM Jin
Agency for Defense Development
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LEE Pil
Department of Creative IT Excellence Engineering and the Department of Electrical Engineering, POSTECH
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YUM Dae
Department of Electrical Engineering, POSTECH
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YUM Dae
Department of Information and Communication Engineering, Myongji University
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PARK Myung-Ho
Agency for Defense Development (ADD)
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NAM Ki-Gon
Department of Electrical Engineering, Pusan National University
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