Abstract
Node localization is a fundamental problem in wireless sensor network. There are many existing algorithms to estimate the locations of the nodes. However, most of the methods did not consider the presence of obstacles. In practice, obstacles will lead to blockage and reflection of communication signals between sensor nodes. Therefore, the presence of obstacles will greatly affect the localization result. In this paper, we implement an obstacle-handling algorithm based on the localization tool developed by MIT, The experimental result shows that the enhanced algorithm can reduce the average distance error by up to 46%, compared to the original algorithm.
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Xin-Min Xu is an associate professor at Zhejiang University, China.
His research interests include system-onchip design and verification methodologies and implementation, dynamic reconfiguration theory and technology research, application of the embedded system, intelligent instruments.
Yao Chen is a master student in the Information and Electronic Engineering Department at Zhejiang University, China, majored in electronic circuit and information system.
His research interests include system-onchip design and development, and application of the embedded system.
Wen-Yao Xu received his B. Sc. and M. Sc. degrees in electrical engineering from Zhejiang University, Hangzhou, China in 2006 and 2008, respectively. From 2008, he started his graduate study at the Department of Electrical Engineering and Computer Sciences, University of California at Los Angeles, USA, and is currently a Ph. D. candidate.
His research interests include embedded system design for wireless health, power management and smart grid.
Fang Gong received his B. Sc. degree from Computer Science Department, Beijing University of Aeronautics and Astronautics, China in 2005. Also, he graduated from Computer Science Department at Tsinghua University with M. Sc. degree in 2008. After that he became a Ph.D candidate, in the Electrical Engineering Department, University of California, Los Angeles, USA.
His research interests include numerical computing and stochastic techniques for CAD, fast circuit simulation, yield estimation and optimization, numerics parallel and distributed computing.
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Xu, XM., Chen, Y., Xu, WY. et al. An efficient algorithm for mobile localization in sensor networks. Int. J. Autom. Comput. 9, 594–599 (2012). https://doi.org/10.1007/s11633-012-0684-7
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DOI: https://doi.org/10.1007/s11633-012-0684-7