Zejie Wang1, Qianxin Wang1,*, Sanxi Li2
CMES-Computer Modeling in Engineering & Sciences, Vol.132, No.3, pp. 823-843, 2022, DOI:10.32604/cmes.2022.020106
Abstract The combination of Precision Point Positioning (PPP) with Multi-Global Navigation Satellite System (MultiGNSS), called MGPPP, can improve the positioning precision and shorten the convergence time more effectively
than the combination of PPP with only the BeiDou Navigation Satellite System (BDS). However, the Inter-System
Bias (ISB) measurement of Multi-GNSS, including the time system offset, the coordinate system difference, and
the inter-system hardware delay bias, must be considered for Multi-GNSS data fusion processing. The detected
ISB can be well modeled and predicted by using a quadratic model (QM), an autoregressive integrated moving
average model (ARIMA), as well as the sliding window strategy… More >
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