Abstract
Through mobile communication data transmission, the precise ephemeris and precise clock offset of the IGS website are obtained in real time, and the BeiDou star-based enhanced differential data is obtained through the receiver antenna; then a combination of dual-frequency ionospheric non-difference observations is used to eliminate the impact of the ionosphere. The average clustering algorithm is used to classify the location results, and the center point of each cluster is obtained. The center points of each cluster are added and averaged to get the starting point of PPP convergence. Finally, the fast convergence of PPP positioning results is achieved by using hatch algorithm.
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