GNSS World of China

Volume 47 Issue 4
Sep.  2022
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YU Heli, LI Minglei, MA Guoyuan, YE Ziyu. Performance analysis of BDS-2/BDS-3 carrier phase time transfer[J]. GNSS World of China, 2022, 47(4): 46-49. doi: 10.12265/j.gnss.2022007
Citation: YU Heli, LI Minglei, MA Guoyuan, YE Ziyu. Performance analysis of BDS-2/BDS-3 carrier phase time transfer[J]. GNSS World of China, 2022, 47(4): 46-49. doi: 10.12265/j.gnss.2022007
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Performance analysis of BDS-2/BDS-3 carrier phase time transfer

doi: 10.12265/j.gnss.2022007

  • State Key Laboratory of Complex Electromagnetic Environment Effects on Electronics and Information System, Luoyang 471003, China

  • Received Date: 2022-01-11
  • Accepted Date: 2022-01-12
    • Available Online: 2022-07-20
    Abstract
  • The mathematical model of carrier phase time transfer is given, and the performance of BeiDou-2/BeiDou-3 Navigation Satellite System (BDS-2/BDS-3) combined carrier phase time transfer is analyzed based on the measured data of the multi-GNSS experiment (MGEX). The results show that the addition of BDS-3 can increase the number of visible satellites and improve the spatial configuration of satellite distribution. Compared with only using the BDS-2 system, the time transfer accuracy of MRO1-CUSV and NNOR-CUSV can be improved from 0.11 ns and 0.10 ns to 0.07 ns and 0.08 ns, and the A-class uncertainty can be improved from 0.007 ns and 0.006 ns to 0.004 ns and 0.005 ns, respectively, in the BDS-2/BDS-3 combination scenario.

     

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