GNSS World of China

Volume 45 Issue 6
Dec.  2020
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LIU Haotian, LIU Chengyu, ZHAO Juan, WU Hao, CHENG Xi. Galileo dual/triple frequency SPP positioning accuracy analysis[J]. GNSS World of China, 2020, 45(6): 69-73. doi: 10.13442/j.gnss.1008-9268.2020.06.010
Citation: LIU Haotian, LIU Chengyu, ZHAO Juan, WU Hao, CHENG Xi. Galileo dual/triple frequency SPP positioning accuracy analysis[J]. GNSS World of China, 2020, 45(6): 69-73. doi: 10.13442/j.gnss.1008-9268.2020.06.010
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Galileo dual/triple frequency SPP positioning accuracy analysis

doi: 10.13442/j.gnss.1008-9268.2020.06.010

  • 1. China West Normal University, Nanchong 637000, China;

  • 2. Troops 96901, Beijing 100089, China

  • Received Date: 2020-08-25
    Available Online: 2021-04-09
    Abstract
  • Aiming at the problem of analyzing the accuracy of the dual-frequency and triple-frequency combined SPP positioning of the Galileo system, this paper analyzes the dual-frequency and three-frequency combined SPP positioning accuracy of the Galileo system based on the measured data of the Galileo MEGX tracking station. It is found that the Galileo system E1/E5a and E1/E5b dual-frequency combination SPP positioning accuracy is higher, while the E5a/E5b and E1/E6 dual-frequency combination SPP positioning accuracy is too poor, not suitable for positioning. There is significant improvement in positioning accuracy of the three-frequency SPP than the dual-frequency combination. The positioning accuracy in the X and Y directions is better than 0.8 m, and the accuracy in the Z direction is better than 2.3 m, which can provide a certain reference for future research on the multi-frequency combined positioning of the Galileo system.

     

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