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China Satellite Navigation Conference (CSNC) 2015 Proceedings: Volume III pp 13–29Cite as

BDS/GNSS Real-Time Kinematic Precise Point Positioning with Un-differenced Ambiguity Resolution

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Part of the book series: Lecture Notes in Electrical Engineering ((LNEE,volume 342))

Abstract

BeiDou Navigation Satellite System (BDS) is constructed and operated by China independently. It has important significance in researching the real-time kinematic precise point positioning (PPP-RTK) based on BDS. The fusion of multi-GNSS in data processing can increase satellites observed, improve the geometric configuration of satellites constellation, enhance the accuracy, continuity and reliability in real-time kinematic positioning. This paper deduced the mathematical model of BDS/GNSS PPP-RTK, studied the theories and methods of BDS/GNSS un-difference ambiguity resolution, and realized multi-GNSS PPP-RTK by fixing the un-differenced ambiguities of BDS-only, GPS-only, both BDS and GPS satellites, respectively. Multi-GNSS data of reference stations from Crustal Monitor of Network of China (CMONOC) were processed. The experiment results showed that the values of fractional cycle bias (FCB) of BDS IGSO and MEO satellites kept stable; The precision were less than 1 cm in plane direction and 3 cm in vertical direction after the fusion of BDS, GPS and GLONASS even without ambiguity resolution, respectively; It not only raised the precision of positioning but also quicken the convergence speed after fixing the un-differenced ambiguities of BDS IGSO and MEO satellites; The performance of multi-GNSS PPP-RTK improved further after fixing the un-differenced ambiguities of both BDS and GPS satellites.

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Acknowledgments

We are grateful to the reviewers for their comments and suggestions. This work was supported by the “iGMAS” project of China, the National Nature Science Foundation of China (No. 41374034) and the National “863 Program” of China (Grant No. 2014AA123101).

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Authors and Affiliations

  1. GNSS Research Center, Wuhan University, 129 Luoyu Road, Wuhan, 430079, China

    Lizhong Qu, Qile Zhao, Jing Guo, Guangxing Wang, Xiangxin Guo, Qiang Zhang, Kecai Jiang & Liang Luo

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  1. Lizhong Qu
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  2. Qile Zhao
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  3. Jing Guo
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  4. Guangxing Wang
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  5. Xiangxin Guo
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  6. Qiang Zhang
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  7. Kecai Jiang
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  8. Liang Luo
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Corresponding author

Correspondence to Lizhong Qu .

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Editors and Affiliations

  1. China Aerospace Sci. & Technology Corp., Chinese Academy of Sciences, Beijing, China

    Jiadong Sun

  2. Wuhan University, Wuhan, China

    Jingnan Liu

  3. China Satellite Navigation Office, Beijing, China

    Shiwei Fan

  4. Chinese Academy of Sciences, Beijing, China

    Xiaochun Lu

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© 2015 Springer-Verlag Berlin Heidelberg

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Qu, L. et al. (2015). BDS/GNSS Real-Time Kinematic Precise Point Positioning with Un-differenced Ambiguity Resolution. In: Sun, J., Liu, J., Fan, S., Lu, X. (eds) China Satellite Navigation Conference (CSNC) 2015 Proceedings: Volume III. Lecture Notes in Electrical Engineering, vol 342. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-46632-2_2

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  • DOI: https://doi.org/10.1007/978-3-662-46632-2_2

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-662-46631-5

  • Online ISBN: 978-3-662-46632-2

  • eBook Packages: EngineeringEngineering (R0)

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