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.
In-Person presenters in this session provide pre-recorded presentations for viewing by registered attendees on Wednesday, September 10.

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
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
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 1.0 Birendra Kujur, Samer Khanafseh, Boris Pervan, TruNav LLC; Valeriu Vitan, Gerhard Berz, Eurocontrol; Okuary Osechas, ZHAW Centre for Aviation
4:23	Comparative Analysis of Different Magnetic Anomaly Datasets Using Navigation Performance with Flight Test Data Brandon Blakely, Patrick Duff, and Aaron Nielsen, AFIT/ANT Center
4:46	Low SWaP-C Navigation with Starlink and OneWeb Ku-Band Signals in Extreme Environments: An Opportunistic Approach Will Barrett and Zak (Zaher) M. Kassas, The Ohio State University; and Jennifer Sanderson, Sandia National Laboratories
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
Alternate Presentations Alternate presentations may be given in-person at the conference if other authors are unable to present. Alternate Presenters will provide a pre-recorded presentation for on-demand viewing by all registered attendees.
1.	A Foundation Model Agent for Hyperparameter Tuning under The Neuro-Symbolic Framework with Application to Multi-UAS Positioning Yajie Bao, Deeraj Nagothu, Dan Shen, Genshe Chen, Intelligent Fusion Technology, Inc.; Randall Mcintyre, Samson Badlia, Erik Blasch, and Khanh Pham, Air Force Research Lab
2.	Optimal Design of Antenna Array for a Single-Station-Based Positioning System for Alternative Navigation of UAM Vertiports Sunhwan Gwon and O-Jong Kim, Department of Aerospace Systems Engineering, Sejong University
3.	Opportunistic Radio Map Creation With Foot-Mounted IMUs: A Dual-Benefit Approach For Indoor Positioning Philipp Hager, Christian Gentner, Institute of Communications and Navigation, DLR; Eva Buchmayer, Institute of Geodesy, Graz University of Technology

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 Multi-Cell 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.

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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