Mitigation of Ionospheric Delay in GPS/BDS Single Frequency PPP: Assessment and Application

  title={Mitigation of Ionospheric Delay in GPS/BDS Single Frequency PPP: Assessment and Application},
  author={Zishen Li and Lei Fan and Yunbin Yuan and Sandra Verhagen and Peter F. de Bakker and Hong Yuan and Shiming Zhong},
Single-frequency (SF) Precise Point Positioning (PPP) is a promising technique for real-time positioning and navigation at sub-meter (about 0.5 m) accuracy level because of its convenience and low cost. With satellite orbit and clock error being greatly mitigated by the precise products from the International GNSS Service (IGS), ionospheric delay becomes the bottleneck of SF PPP users. There are five commonly used approaches to mitigate ionospheric delay in SF PPP: (1) broadcast ionospheric… CONTINUE READING


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