Session D3: Navigation in Challenging Environments 1

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Date: Wednesday, April 30, 2025
Time: 8:30 a.m. - 12:15 p.m.
Location: Grand Ballroom ABC

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Presentations
8:35	React-G: GNSS Signal Multipath Simulation Framework for Small Uncrewed Aerial Systems     Bohan Zhang, School of Science & Engineering, Computer Science, Saint Louis University; Julian Gutierrez, Computer Engineer, NASA Langley Research Center; Ankit Agrawal, School of Science & Engineering, Computer Science, Saint Louis University
8:57	MAPT: A Near Real-Time Adaptive Multipath Modeling and Clustering Algorithm for GNSS Urban Positioning     Julian Gutierrez, Russell Gilabert, Tanner Slagel, Evan Dill, NASA Langley Research Center; Pau Closas, Northeastern University
9:20	Comparison of GNSS LOS/NLOS Labeling Techniques Based on a 3D Model and Sky View Imagery for Soft Mobility and Vehicle Data in Urban Areas     Benjamin Beaucamp, AME-GEOLOC, University Gustave Eiffel; Thomas Leduc, Myriam Servières, Nantes Université, ENSA Nantes, École Centrale Nantes, CNRS, AAU-CRENAU, UMR; Ni Zhu, AME-GEOLOC, University Gustave Eiffel
9:43	Scalable GNSS Performance Assessment and Environment Categorization Under Vegetation     Jiayi Zhou, Department of Aeronautical and Aviation Engineering, The Hong Kong Polytechnic University; Timothée Guillemaille, Cyril Meurie, University Gustave Eiffel, COSYS-LEOST; Guohao Zhang, Department of Aeronautical and Aviation Engineering, The Hong Kong Polytechnic University; Juliette Marais, University Gustave Eiffel, COSYS-LEOST
10:05-10:35, Break. Refreshments in Exhibit Hall
10:40	Statistical Analysis of GNSS Multipath Errors in Urban Canyons     Matt Peretic, The MITRE Corporation; Russell Gilabert, NASA Langley Research Center; Johnson Carroll, The MITRE Corporation; Julian Gutierrez, Andrew Moore, NASA Langley Research Center; Jonathan Christie, The MITRE Corporation; Evan T. Dill, NASA Langley Research Center
11:03	RTK Performance of Synthetic Aperture Processing on Top of the ULB-PLL Method with Real-World Urban GPS/Galileo L1/L5 Signals     Jürgen Dampf, Mohamed Bochkati, and Thomas Pany, Universität der Bundeswehr München
11:26	Robust Position Estimation by Rao-Blackwellized Particle Filter without Integer Ambiguity Resolution in Urban Environments     Daiki Niimi, An Fujino, Meijo University; Taro Suzuki, Chiba Institute of Technology; Junichi Meguro, Meijo University
11:48	Robust Multi-Sensor Fusion Positioning Based on GNSS/IMU Using Factor Graph Optimization   Elham Ahmadi, Mahmoud Elsanhoury, Kannan Selvan, Petri Välisuo, School of Technology and Innovations, University of Vaasa; Heidi Kuusniemi, School of Technology and Innovations, University of Vaasa, and Finnish Geospatial Research Institute, National Land Survey

12:15 p.m. – 1:15 p.m. Lunch in the Exhibit Hall

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