GNSS World of China

Volume 46 Issue 2
Apr.  2021
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QIN Jiqian, XU Ninghui, LIANG Yueji. The influence of different satellite altitude angles on GPS/GLONASS/BDS/Galileo fusion positioning[J]. GNSS World of China, 2021, 46(2): 62-68. doi: 10.12265/j.gnss.2020102003
Citation: QIN Jiqian, XU Ninghui, LIANG Yueji. The influence of different satellite altitude angles on GPS/GLONASS/BDS/Galileo fusion positioning[J]. GNSS World of China, 2021, 46(2): 62-68. doi: 10.12265/j.gnss.2020102003
shu

The influence of different satellite altitude angles on GPS/GLONASS/BDS/Galileo fusion positioning

doi: 10.12265/j.gnss.2020102003
  • 1.

    Nanning Surveying and Mapping Geographic Information Institute, Nanning 530001, China

  • 2.

    College of Geomatics and Geoinformation, Guilin University of Technology, Guilin 541004, China

  • Received Date: 2020-10-20
    Available Online: 2021-04-28
  • Publish Date: 2021-05-13
    Abstract
  • This paper studied the offects of different satellites elevation on GPS/GLONASS/BDS/Galileo (G+R+B+E) fusion positioning and corresponding model was established. Using global navigation satellite system (GNSS) data provided by MGEX(Multi-GNSS Experiment), the theoretical analysis and experiments showed that, combination of G+R+B+E increased the number of satellite used for positioning, and could ensure a relative large number of satellites and a good space geometric distribution structure. Satellites elevation had little effect on positioning result when the satellites of combined system reached a certain number. External error accuracy of G+R+B+E combination in 3D direction was improved when satellites elevation was larger than 30°.

     

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