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GPS/GLONASS/COMPASS Combined Positioning Based on CNMC

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China Satellite Navigation Conference (CSNC) 2014 Proceedings: Volume III

Part of the book series: Lecture Notes in Electrical Engineering ((LNEE,volume 305))

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Abstract

GLONASS and COMPASS system have become important part of GNSS system in the past few years. With the construction and improvement of these systems, multi-system combined solutions will greatly improve the accuracy in GNSS positioning. The current research of multi-system positioning mainly focuses on the combination of GPS and GLONASS systems, while the data of COMPASS has not combined with other systems. This paper focuses on the GPS/GLONASS/COMPASS multi-system combined positioning. Experiments using the data of GPS/GLONASS/COMPASS capable stations were conducted for positioning. Results show that the accuracy of triple-system positioning is better than that of single or combination of two systems. To reduce the noise of the pseudorange, a real-time algorithm called CNMC is applied. The smoothed GNSS pseudorange is then used for combined positioning. Results show that this method can improve the reliability of the estimated parameters and improve the positioning precision by about 30–60 %, depending on the precision of the satellite orbits and clocks. A station differential strategy is proposed to reduce the effect of orbits and clocks, which is proved to dramatically improve positioning precision.

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Acknowledgments

This paper is supported by the 100 Talents Programme of The Chinese Academy of Sciences, the National High Technology Research and Development Program of China (Grant No. 2013AA122402), the National Natural Science Foundation of China (NSFC) (Grant No. 11273046 and 40974018), and the Shanghai Committee of Science and Technology (Grant No. 12DZ2273300, 13PJ1409900).

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Authors and Affiliations

  1. College of Surveying and Geo-Informatics, Tongji University, Shanghai, China

    Zhang Yize, Wang Jiexian & Duan Bingbing

  2. Shanghai Astronomical Observatory, Chinese Academy of Science, Shanghai, China

    Zhang Yize, Chen Junping, Wu Bin, Yang Sainan & Duan Bingbing

Authors
  1. Zhang Yize
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  2. Chen Junping
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  3. Wu Bin
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  4. Wang Jiexian
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  5. Yang Sainan
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  6. Duan Bingbing
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Corresponding author

Correspondence to Zhang Yize .

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Editors and Affiliations

  1. China Aerospace Science and Technology Corporation, Chinese Academy of Sciences, Beijing, China

    Jiadong Sun

  2. China Satellite Navigation Office, Beijing, China

    Wenhai Jiao

  3. Navigation Headquarters, Chinese Academy of Sciences, Beijing, China

    Haitao Wu

  4. Department of Electronic Engineering, Tsinghua University, Beijing, China

    Mingquan Lu

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© 2014 Springer-Verlag Berlin Heidelberg

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Yize, Z., Junping, C., Bin, W., Jiexian, W., Sainan, Y., Bingbing, D. (2014). GPS/GLONASS/COMPASS Combined Positioning Based on CNMC. In: Sun, J., Jiao, W., Wu, H., Lu, M. (eds) China Satellite Navigation Conference (CSNC) 2014 Proceedings: Volume III. Lecture Notes in Electrical Engineering, vol 305. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-54740-9_46

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  • DOI: https://doi.org/10.1007/978-3-642-54740-9_46

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-54739-3

  • Online ISBN: 978-3-642-54740-9

  • eBook Packages: EngineeringEngineering (R0)

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