Author

Jia-Ji Wu

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Open access Sep 2026

Empirical Ionosphere-Constrained Uncombined Model for GNSS Rapid Ambiguity Resolution in Medium-to-Long Baseline Networks

To address the issue of long ambiguity resolution (AR) time for existing medium-to-long baseline reference stations, this paper proposes a rapid ambiguity fixing method with empirical ionospheric constraints. The method directly treats the L1 and wide-lane (WL) ambiguities as unknown parameters to be estimated and perf...

Peng-Xu Wang, Jia-Ji Wu, Chao Huang et al. · Geomatics · 0 citations

Oct 2026

BiLSTM-Driven Adaptive GNSS/INS/ODO Integration With Dynamic NHC/ZUPT Noise Tuning for Vehicle Navigation

To address the performance degradation of vehicle-borne integrated navigation caused by frequent Global Navigation Satellite System (GNSS) signal attenuation in complex urban environments, and to overcome the limitations of conventional nonholonomic constraint (NHC) and zero-velocity update (ZUPT), which rely on static...

Yu-Ying Li, Jin-Guang Jiang, Jian Cheng et al. · IEEE Sensors Journal · 0 citations