GNSS World of China

Volume 46 Issue 2
Apr.  2021
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WANG Hanmin. Analysis of the influence of BDS-2 constellation on BDS-3 pseudo-range single point positioning accuracy[J]. GNSS World of China, 2021, 46(2): 44-48. doi: 10.12265/j.gnss.2020082504
Citation: WANG Hanmin. Analysis of the influence of BDS-2 constellation on BDS-3 pseudo-range single point positioning accuracy[J]. GNSS World of China, 2021, 46(2): 44-48. doi: 10.12265/j.gnss.2020082504
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Analysis of the influence of BDS-2 constellation on BDS-3 pseudo-range single point positioning accuracy

doi: 10.12265/j.gnss.2020082504

  • China Shaanxi Nuclear Industry Group 214 Brigade Co., Ltd., Xi’an 710000, China

  • Received Date: 2020-08-25
    Available Online: 2021-04-26
  • Publish Date: 2021-05-13
    Abstract
  • In view of the current BDS-2/BDS-3 integrated positioning performance, this paper analyzes the impact of different types of BDS-2 satellites on the accuracy of B1I, B3I, B1I/B3I pseudo range single point positioning accuracy of BDS-2/BDS-3 tracking station. It is found that different types of BDS-2 constellation satellites can effectively improve the visibility and geometry of BDS-3 satellite. GEO IGSO and MEO can improve BDS-3 single frequency and dual frequency pseudo range single point positioning accuracy within 20%, while all BDS-2 satellites can improve BDS-3 single frequency and dual frequency pseudo range single point positioning accuracy within 30%. The overall improvement relationship is all BDS-2 satellites > IGSO > GEO > MEO.

     

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