| Summary: | The positioning accuracy improvement of satellite navigation system support the development of industries related to high accuracy positioning. The BeiDou global satellite navigation system (BDS-3) started providing full-scale global services in 2020. BDS-3 provides meter-level standard positioning service, and decimeter- and centimeter-level positioning services with the precise point positioning (PPP) and the real-time kinematic (RTK) positioning technology. Moreover, millimeter-level positioning results can be achieved through ground-based differential positioning. These hyper-accurate positioning technologies will strongly support the development of autonomous driving, precision agriculture, geological hazard monitoring, etc.①① Original source in Chinese: Y. Yang, X. Ren, Hyper-accurate positioning, Bulletin of National Natural Science Foundation of China. 35 (3) (2021) 410-412.
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