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An innovative positioning method based on linear frequency modulation for wireless sensor networks

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3 Author(s)
Lichuan Liu ; Dept. of Electr. Eng., Northern Illinois Univ., DeKalb, IL, USA ; Kuo, S.M. ; Zhigang Wang

In wireless sensor networks (WSN), location information is one of the critical issues for both performance and efficiency. This paper presents a new positioning method in WSN with reasonable implementation cost and excellent performance. Given a few reference nodes with known locations and node range estimates based on linear frequency modulation continuous wave (FMCW) technique, all nodes' location information can be derived by solving a set of circle equations. This technique is cost efficient, scalable and easy to be implemented. The simulation results show that the new method is fast convergent and precise.

Published in:

Service Operations, Logistics and Informatics, 2009. SOLI '09. IEEE/INFORMS International Conference on

Date of Conference:

22-24 July 2009