Session D2: Alternative Technologies for GNSS-Denied Environments – Non-Optical Approaches

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Date: Wednesday, September 10, 2025
Time: 1:45 p.m. - 5:30 p.m.
Location: Holiday 2-3 (Second Floor)
In-Person presenters in this session provide pre-recorded presentations for viewing by registered attendees on Wednesday, September 10.

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In-Person Presentations These presentations will be given in-person at the conference. Presenters will provide a pre-recorded presentation for on-demand viewing by all registered attendees.
1:50	Airspeed-Aided Inertial Navigation with Pseudovanes and Non-Optical Sensors for GNSS-and Vision-Denied UAV Environments     Felipe O. Silva, Federal University of Lavras; Guillermo E. V. Hernandez, and Cristino de Souza Jr., Technology Innovation Institute Peer Reviewed
2:12	The Effect of Coarse Doppler Resolution on the Performance of a Vertical Synthetic Aperture Radar Navigation System     Tucker Haydon, Sandia National Labs & University of Texas at Austin; Todd Humphreys, University of Texas at Austin
2:35	Experimental Evaluation of Collaborative Navigation Through Shared Motion Constraints During GNSS Outages     Hasan Kinatas and Mathieu Joerger, Virginia Tech Peer Reviewed Best Presentation
2:58	Picosecond-level Wide-area Time Distribution using a Non-GNSS Locata Wireless PNT System Nunzio Gambale, Locata Corporation
3:25 - 3:55, Break. Refreshments in Exhibit Hall
4:00	Integrated DME/INS Alternative PNT System for RNP 1   Birendra Kujur, Samer Khanafseh, Boris Pervan, TruNav LLC; Valeriu Vitan, Gerhard Berz, Eurocontrol; Okuary Osechas, Zurich University of Applied Sciences Peer Reviewed
4:23	Comparative Analysis of Different Magnetic Anomaly Datasets Using Navigation Performance with Flight Test Data     Brandon Blakely, Aaron Nielsen, AFIT; Patrick Duff, NRL
4:46	Opportunistic Radio Map Creation With Foot-Mounted IMUs: A Novel Approach for Indoor Positioning   Philipp Hager, Martin Schmidhammer, Christian Gentner, Institute of Communications and Navigation, DLR; Eva Buchmayer, Institute of Geodesy, Graz University of Technology Peer Reviewed
5:08	A Cost-Effective Radar-Visual-Inertial SLAM System for Indoor Land Vehicle Navigation   Emma Dawson, Paulo Ricardo Marques de Araujo, Sidney Givigi, Queen's University; Aboelmagd Noureldin, Queen's University and the Royal Military College of Canada Peer Reviewed

On-Demand Presentations Pre-recorded presentations will become available for viewing by registered attendees on Wednesday, September 10.
	AI Pseudo-Cell: A Method for Generating MultiCell Measurements for Precise Positioning Using Language Translation Models   Jin Ah Kang, Youngsu Cho, Juil Jeon, Jung Ho Lee, Sun Sim Chun, Electronics and Telecommunications Research Institute
	Precise Tunnel Navigation and Positioning Based on Geomagnetic Matching     Pan Jiang, Chengjian Deng, DingJun Liu, Yuliang Jin, Yilong Yuan, Chang Liu, Positioning Technology Center Tencent Technology (Beijing) Co., Ltd. Peer Reviewed

Exhibit Hall Reception • Celebrating 30 Years of Galileo • Sponsored by ESA and ION, 5:30 p.m. - 7:00 p.m.

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