Science China Earth Sciences

, Volume 55, Issue 7, pp 1079–1086

Precise orbit determination of Beidou Satellites with precise positioning


    • Research Center of GNSSWuhan University
  • QiLe Zhao
    • Research Center of GNSSWuhan University
  • Min Li
    • Research Center of GNSSWuhan University
  • WeiMing Tang
    • Research Center of GNSSWuhan University
  • ZhiGang Hu
    • Research Center of GNSSWuhan University
  • YiDong Lou
    • Research Center of GNSSWuhan University
  • HongPing Zhang
    • State Key Laboratory of Information Engineering in Surveying, Mapping and Remote SensingWuhan University
  • XiaoJi Niu
    • Research Center of GNSSWuhan University
  • JingNan Liu
    • Research Center of GNSSWuhan University
Research Paper

DOI: 10.1007/s11430-012-4446-8

Cite this article as:
Shi, C., Zhao, Q., Li, M. et al. Sci. China Earth Sci. (2012) 55: 1079. doi:10.1007/s11430-012-4446-8


Chinese Beidou satellite navigation system constellation currently consists of eight Beidou satellites and can provide preliminary service of navigation and positioning in the Asia-Pacific Region. Based on the self-developed software Position And Navigation Data Analysis(PANDA) and Beidou Experimental Tracking Stations (BETS), which are built by Wuhan University, the study of Beidou precise orbit determination, static precise point positioning (PPP), and high precision relative positioning, and differential positioning are carried out comprehensively. Results show that the radial precision of the Beidou satellite orbit determination is better than 10 centimeters. The RMS of static PPP can reach several centimeters to even millimeters for baseline relative positioning. The precision of kinematic pseudo-range differential positioning and RTK mode positioning are 2–4 m and 5–10 cm respectively, which are close to the level of GPS precise positioning. Research in this paper verifies that, with support of ground reference station network, Beidou satellite navigation system can provide precise positioning from several decimeters to meters in the wide area and several centimeters in the regional area. These promising results would be helpful for the implementation and applications of Beidou satellite navigation system.


compass/BeidouPANDAprecise orbit determination (POD)Beidou difference

Copyright information

© Science China Press and Springer-Verlag Berlin Heidelberg 2012