Article-Journal

Kinematic orbit determination for BDS-3 satellites with inter-satellite link data
Kinematic orbit determination offers an efficient and highly accurate alternative to traditional methods by eliminating the need for …
Chao Yang, Jing Guo*, Xiaolong Mi, Yuanfan Deng, Xuexi Liu, Qile Zhao, Wu Chen
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Fast and precise GNSS RTK positioning with ionosphere-constrained weighted least squares quadratic programming
Achieving fast and precise real-time kinematic (RTK) positioning depends on effective carrier phase integer ambiguity resolution (IAR), …
Xiaolong Mi, Xingyu Chen, Robert Odolinski, Yuyan Wang, Wu Chen, Yunbin Yuan
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Ionospheric nonlinear interpolation model for Mid- and Low-latitude network RTK during solar maxima
As the Sun approaches the peak of its 25th activity cycle, intensified ionospheric spatial gradients near the equatorial ionization …
Tong Liu, Wu Chen, Xiaolong Mi*, Xingyu Chen, Yang Yang, Junsheng Ding, Tianxia Liu, Yuyan Wang, Duojie Weng
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Improving GNSS precise point positioning with tropospheric constraints from data-driven numerical weather prediction model
Accurate a priori tropospheric knowledge is advantageous for Global Navigation Satellite System (GNSS) precise point positioning (PPP), …
Yuanfan Deng, Wu Chen, Junsheng Ding, Ahmed El-Mowafy, Duojie Weng, Long Tang, Lei Bai, Xiaolong Mi*
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Effect of Constraining a Limited Number of Slant Ionospheric Corrections in PPP and an Improved Partial Tight-Constraining Algorithm
With external ionospheric corrections, precise point positioning solutions can be augmented with proper constraints, enabling fast …
Jiahuan Hu, Yao Shi, Pan Li*, Wu Chen, Long Tang, Feng Zhou, Xiaolong Mi, Sunil Bisnath
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GNSS Positioning Aided with Pedestrian Dead Reckoning (PDR) in Urban Areas
Urban environments, characterized by dense high-rise buildings and narrow streets, present substantial challenges to GNSS positioning …
Huan Luo, Duojie Weng*, Ahmed Mansour, Xiaolong Mi, Yang Yang, Wu Chen
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Bridging missing GNSS phase measurements through cycle slip detection for improved smartphone positioning
Smartphone-related location-based services (LBSs) are among the most frequently used applications in daily life. The accuracy of …
Jiahuan Hu, Wu Chen, Pan Li, Xiaolong Mi, Kai Zheng, Long Tang, Wanke Liu, Jingkai Yuan, Sunil Bisnath
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Multi-constellation instantaneous single difference triple-carrier ambiguity resolution in urban environments
The demand for high-precision real-time positioning is critical for applications such as autonomous vehicles, urban planning, and …
Qi Cheng, Wu Chen, Junhui Wang, Xiaolong Mi, Yang Yang, Rui Sun
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A Novel Optimized Hybrid VMD-PCA-XGBoost Model for Forecasting Precipitation: Exemplified by the Beijing-Tianjin-Hebei Study Region in China
Extreme precipitation events pose significant challenges to societal infrastructure and environmental stability, particularly in …
Qiaoli Kong, Qian Li, Qi Bai, Xiaolong Mi*, Joseph Awange, Shi Wang, Yi Yang, Guoli Bo
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Development of an Ellipsoid Based Chart Datum Around the China Seas
Establishing a continuous chart datum (CD) surface is essential for marine navigation and geodetic applications. In China, the …
Yanguang Fu, Yanxiong Liu, Mehdi Khaki, Fukai Peng, Xiaolong Mi, Yikai Feng, Xiaoli Deng, Long Yang, Qinghua Tang, Li Cui
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