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Volume 47 Issue 6
Dec.  2022
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TAN Han. BDS-3 precise point positioning ambiguity resolution and performance assessment[J]. GNSS World of China, 2022, 47(6): 79-85. doi: 10.12265/j.gnss.2022107
Citation: TAN Han. BDS-3 precise point positioning ambiguity resolution and performance assessment[J]. GNSS World of China, 2022, 47(6): 79-85. doi: 10.12265/j.gnss.2022107
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BDS-3 precise point positioning ambiguity resolution and performance assessment

doi: 10.12265/j.gnss.2022107

  • Chongqing Survey Institute, Chongqing 401121, China

  • Received Date: 2022-06-14
  • Accepted Date: 2022-08-20
    • Available Online: 2022-11-11
    Abstract
  • Based on the IGS-MGEX observation data, the BeiDou-3 Navigation Satellite System (BDS-3) satellite uncalibrated phase delay (UPD) is estimated. In order to analyze the performance current BDS-3 constellation, both the float and fixed precise point positioning (PPP) are tested. The results show that the accuracy of BDS-3 PPP is roughly equivalent to that of GPS. The average root mean square (RMS) of BDS-3 float PPP solutions are 1.4 cm, 1.0 cm, and 1.6 cm for east (E), north (N), and up (U) direction, while the accuracy can be improved to 0.9 cm, 0.7 cm, and 1.4 cm respectively with ambiguity resolution.

     

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