Science in China Series F: Information Sciences

, Volume 53, Issue 1, pp 158–167 | Cite as

Radio interferometric localization of WSNs based on Doppler effect

Research Papers

Abstract

A novel distributed localization method based on the Doppler effect for wireless sensor networks is proposed in this paper, which only relies on radio transceivers without the need of other auxiliary measurement equipments. Based on radio interference, each sensor node can obtain a multi-group of distance variations from itself to a mobile anchor through the measurement of the cumulative phase variations caused by Doppler effect, by which its position can be determined. The proposed method has the following advantages: the sensor node conducts localization in a completely distributed manner without information exchange or centralized processing, and the measurement result equals the actual distance without modulus operation, which is in reality measuring the distance with a ruler of radio wavelength, and will significantly reduce the system complexity and achieve high location accuracy. Analysis and simulation results demonstrate the effectiveness of our proposed method.

Keywords

radio interference Doppler effect hyperbolic localization WSN 

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Copyright information

© Science in China Press and Springer Berlin Heidelberg 2010

Authors and Affiliations

  1. 1.School of Electronic and Information EngineeringXi’an Jiaotong UniversityXi’anChina

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