Volume 41 Issue 10
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ZOU Xuan, CHEN Liang, LI Zongnan, TANG Weiming, SHI Chuang. Reliable URTK Service Based on PPP-AR Ambiguity Rapid Reconvergence[J]. Geomatics and Information Science of Wuhan University, 2016, 41(10): 1366-1371. DOI: 10.13203/j.whugis20140899
Citation: ZOU Xuan, CHEN Liang, LI Zongnan, TANG Weiming, SHI Chuang. Reliable URTK Service Based on PPP-AR Ambiguity Rapid Reconvergence[J]. Geomatics and Information Science of Wuhan University, 2016, 41(10): 1366-1371. DOI: 10.13203/j.whugis20140899
shu

Reliable URTK Service Based on PPP-AR Ambiguity Rapid Reconvergence

  • 1.

    GNSS Research Center, Wuhan University, Wuhan 430079, China

  • 2.

    State Key Laboratory of Geodesy and Earth's Dynamics, Institute of Geodesy and Geophysics, Chinese Academy of Sciences, Wuhan 430077, China

Funds: 

The Open Foundation of the State Key Laboratory of Geodesy and Earth's Dynamics No. SKLGED2013-4-9-E

National Natural Science Foundation of China No. 41304028

Specialized Research Fund for the Doctoral Program of Higher Education No. 20130141120005

National High Technology Research and Development Program(863) of China No. 2014AA123101

Hubei Key Laboratory of Three Gorges Project for Conservation of Fishes No. SXSN/4008

Independent Research of Wuhan University No. 2042016kf0184

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  • Received Date: April 13, 2015
  • Published Date: October 04, 2016
    Graphical Abstract
    • Abstract
  • We study PPP-AR rapid ambiguity re-convergence in the case of short-term loss or disruption of observation data, offer a reasonable extrapolation time threshold for using augmentation information, demonstrate the reliability improvement of existing URTK services when using this method, and design a corresponding real-time testing scheme to verify its availability. The results show that, augmentation information can be extrapolated for at least 30s, and that the PPP-AR rapid ambiguity re-convergence method can improve the reliability of URTK service for control center and rovers even in poor observation conditions. Rovers can independently realize ambiguity rapid re-convergence without the support of regional URTK augmentation service, which will reduce the real-time data communication burden between rovers and control center significantly.
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    • References (8)
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