GNSS World of China

Volume 43 Issue 1
Feb.  2018
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ZHOU Xingyu, CHEN Hua, AN Xiangdong. Analysis of Galileo Signal Quality and Positioning Performance[J]. GNSS World of China, 2018, 43(1): 19-24. doi: doi:10.13442/j.gnss.1008-9268.2018.01.004
Citation: ZHOU Xingyu, CHEN Hua, AN Xiangdong. Analysis of Galileo Signal Quality and Positioning Performance[J]. GNSS World of China, 2018, 43(1): 19-24. doi: doi:10.13442/j.gnss.1008-9268.2018.01.004
shu

Analysis of Galileo Signal Quality and Positioning Performance

doi: doi:10.13442/j.gnss.1008-9268.2018.01.004

  • GNSS Research Center, Wuhan University, Wuhan 430079, China

  • 2.

    School of Geodesy and Geomatics, Wuhan University, Wuhan 430079, China

  • Publish Date: 2018-03-28
    Abstract
  •  Galileo system is one of GNSS, and it has preliminary obtained global positioning capability. The research of Galileo signal quality and bi／tri-frequency positioning performance not only contributes to Galileo system, but also promotes the fusion positioning of multi GNSS. On the basis of existing MGEX ground tracking stations, this paper focuses on the analysis of Galileo carrier to noise(CNR) ratio, code multipath delay, and the current stage of the precise point positioning (PPP) dual-frequency, triple-frequency static positioning accuracy. The results show that comparing Galileo and GPS, the CNR and multipath delay follow an order of E5> E5a≈ E5b≈L5>E1≈L1>L2 and E5≤E1 

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