UWB and GNSS Sensor Fusion Using ML-Based Positioning Uncertainty EstimationTommingas, Mihkel; Laadung, Taavi; Varbla, Sander; Müürsepp, Ivo; Alam, Muhammad MahtabIEEE Open Journal of the Communications Society2025 / p. 2177-2189 : ill https://doi.org//10.1109/OJCOMS.2025.3554352