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Editor-in-chief

 
Faculty of Science, University of Brunei Darussalam, Brunei Darussalam   
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IJIEE 2012 Vol.2(2): 96-101 ISSN: 2010-3719
DOI: 10.7763/IJIEE.2012.V2.61

Instantaneous Cycle-Slip Detection and Repair of GPS Data Based on Doppler Measurement

Zhoufeng Ren, Liyan Li, Jie Zhong, and Minjian Zhao

Abstract—In GPS receivers, carrier phase measurement can be used to improve the receiver’s position accuracy. In order to maintain the accuracy, cycle-slip must be detected and repaired instantaneously and accurately. This paper first analyzes the implementation cycle-slip detection and repair method of GPS data based on Doppler measurement. Then introduce a simplified oscillator model. Based on the oscillator model, a modified method is proposed, which avoids the influence of the local oscillator bias. Data tests show that the root mean square error of the time-difference measurement residual based on the proposed method is small enough for detecting and repairing the cycle-slip instantaneously

Index Terms—Cycle-slip, Doppler measurement, GPS data, instantaneous.

Z. Ren, L. Li, J. Zhong and M. Zhao are with the Department of Information Science and Electronic Engineering of Zhejiang University, China(e-mail: longgo2006@gmail.com; zhongjie@zju.edu.cn; eriklee@zju.edu.cn, mjzhao@zju.edu.cn).

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Cite: Zhoufeng Ren, Liyan Li, Jie Zhong, and Minjian Zhao, "Instantaneous Cycle-Slip Detection and Repair of GPS Data Based on Doppler Measurement," International Journal of Information and Electronics Engineering vol. 2, no. 2, pp. 96-101, 2012.

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