GNSS World of China

Volume 47 Issue 4
Sep.  2022
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ZHAI Hongliang, WANG Shengli. Comprehensive performance analysis of BDS-3 precise point positioning time transfer[J]. GNSS World of China, 2022, 47(4): 31-38. doi: 10.12265/j.gnss.2021101306
Citation: ZHAI Hongliang, WANG Shengli. Comprehensive performance analysis of BDS-3 precise point positioning time transfer[J]. GNSS World of China, 2022, 47(4): 31-38. doi: 10.12265/j.gnss.2021101306
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Comprehensive performance analysis of BDS-3 precise point positioning time transfer

doi: 10.12265/j.gnss.2021101306
  • 1.

    China Coal Technology and Engineering Group Nanjing Design and Research Institute Co., Ltd., Nanjing 211800, China

  • 2.

    College of Ocean Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China

  • Received Date: 2021-10-13
    Available Online: 2022-07-18
    Abstract
  • The construction of China’s BeiDou-3 Navigation Satellite System (BDS-3) has been basically completed. Therefore, full use of the current BDS-3 satellite for precise point positioning (PPP) time transfer requires urgent research. This article analyzes BDS-3 PPP time transfer in two aspects. 1) BeiDou-2 Navigation Satellite System (BDS-2), BDS-3 and BDS-2+BDS-3 PPP time transfer. 2) Clock model constrained BDS-3 PPP time transfer. The results show that the root mean squares (RMS) values of smoothed residual value obtained by BDS-3 and BDS-2+BDS-3 PPP can be reduced by 34.5% and 38.23%, the frequency stability of 960 s is increased by 35.81% and 37.75% respectively, compared with BDS-2 PPP; compared with the traditional white noise model, the RMS values of the smoothed residual obtained by BDS-3 and BDS-2+BDS-3 PPP time transfer with the clock model is reduced by 65.17% and 74.42%; in addition, frequency stability can be increased up to 80%.

     

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