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China Satellite Navigation Conference

CSNC 2018: China Satellite Navigation Conference (CSNC) 2018 Proceedings pp 537–553Cite as

Improved TCAR Algorithm for BDS Over Medium-Long Baseline

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Part of the book series: Lecture Notes in Electrical Engineering ((LNEE,volume 498))

Abstract

In the paper, a modified TCAR method was proposed to investigate triple-frequency ambiguity resolution (AR) performance with real BDS data. At first, the extra-wide-lane (EWL), wide-lane (WL) and narrow-lane (NL) ambiguities were determined with the classical TCAR method, and then analysis of the influence of the residual double-differencing (DD) ionospheric delay on the NL ambiguity resolution was given, and concluded that the residual ionospheric delay was the main error in the resolution of NL ambiguity over medium-long baseline. In the modified TCAR method, the estimated DD ionospheric delay was used to modify the NL ambiguity resolution. As the noise term of the DD ionospheric delay estimated from the ambiguity-fixed EWL is very large, the smooth method is employed to correct the estimated DD ionospheric delay. As a result, the NL ambiguity resolution modified by the smooth DD ionospheric delay shows a much better performance than the classical TCAR method over medium and long baseline.

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Author information

Authors and Affiliations

  1. Information Engineering University, Zhengzhou, 450000, China

    Yijun Tian, Lifen Sui, Dongqing Zhao & Yuan Tian

  2. 91404 Armed Forces, Qinhuangdao, 066000, China

    Shaolei Peng

Authors
  1. Yijun Tian
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  2. Lifen Sui
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  3. Dongqing Zhao
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  4. Shaolei Peng
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  5. Yuan Tian
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Corresponding author

Correspondence to Yijun Tian .

Editor information

Editors and Affiliations

  1. China Aerospace Science and Technology Corporation, Beijing, China

    Jiadong Sun

  2. China Satellite Navigation Engineering Center, Beijing, China

    Changfeng Yang

  3. China Satellite Navigation Engineering Center, Beijing, China

    Shuren Guo

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© 2018 Springer Nature Singapore Pte Ltd.

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Tian, Y., Sui, L., Zhao, D., Peng, S., Tian, Y. (2018). Improved TCAR Algorithm for BDS Over Medium-Long Baseline. In: Sun, J., Yang, C., Guo, S. (eds) China Satellite Navigation Conference (CSNC) 2018 Proceedings. CSNC 2018. Lecture Notes in Electrical Engineering, vol 498. Springer, Singapore. https://doi.org/10.1007/978-981-13-0014-1_45

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  • DOI: https://doi.org/10.1007/978-981-13-0014-1_45

  • Published:

  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-13-0013-4

  • Online ISBN: 978-981-13-0014-1

  • eBook Packages: EngineeringEngineering (R0)

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