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: Deer Valley 1-3

Session Chairs:

Dr. Heidi Kuusniemi University of Vaasa	Dr. Rajesh Krishna Balan SMU University

Abstracts in this session are listed alphabetically. Following peer review of the full manuscripts, each abstract will be designated as a primary or as an alternate presentation.

1.	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
2.	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
3.	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
4.	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
5.	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
6.	RTK Performance of Synthetic Aperture Processing on top of the ULB-PLL Method with Real-World Urban GPS/Galileo L1/L5 Signals (TEXCUP): Jürgen Dampf, Mohamed Bochkati, and Thomas Pany, Universität der Bundeswehr München
7.	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
8.	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
Alternate
1.	Performance Evaluation of EKF and AKF Relative Navigation Using GPS-Based Measurements in LEO Spacecraft Rendezvous: Junghyun Kim and Sangkyung Sung, Konkuk University

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

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