Session C2: Non-Terrestrial Signals of Opportunity-Based Navigation Systems

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Date: Tuesday, April 29, 2025
Time: 1:45 p.m. - 5:30 p.m.

Session Chairs:

Dr. Joe Khalife Apple	Mark Smearcheck Air Force Research Laboratory

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.	A Mock Implementation of Fused LEO GNSS: Samuel C. Morgan, Department of Aerospace Engineering and Engineering Mechanics, The University of Texas at Austin; Zacharias M. Komodromos, Department of Electrical and Computer Engineering, The University of Texas at Austin; Wenkai Qin, Zachary L. Clements, Department of Aerospace Engineering and Engineering Mechanics, The University of Texas at Austin; Andrew Graff, CesiumAstro; W. Jeremy Morrison, Todd E. Humphreys, Department of Aerospace Engineering and Engineering Mechanics, The University of Texas at Austin
2.	Light will Guide You: Passive Joint DOA/FOA Sensing, Tracking, and Navigation with Unknown LEO Satellites: Sharbel Kozhaya and Zak (Zaher) M. Kassas, The Ohio State University
3.	Doppler Offset Analysis for Satellite Clock Error Characterization From the Starlink Observations: Xinyue Lin, Shengjie Zhou, Rong Yang, School of Aeronautics and Astronautics, Shanghai Jiao Tong University; Yafeng Li, School of Automation, Beijing Information Science and Technology University; Xingqun Zhan, School of Aeronautics and Astronautics, Shanghai Jiao Tong University
4.	Multipath-Assisted LEO Dedicated Positioning with Limited Satellite Visibility: Yuxin He, Zihong Zhou, and Bing Xu, Department of Aeronautical and Aviation Engineering, The Hong Kong Polytechnic University
5.	Maximum Likelihood Time of Arrival and Doppler Estimation for Precise Starlink-Based PNT: Wenkai Qin, ASE, University of Texas in Austin; Zacharias M. Komodromos, ECE, University of Texas in Austin; Samuel C. Morgan, Todd E. Humphreys, ASE, University of Texas in Austin
6.	Error Correction Analysis and Enhanced Algorithm for Standalone Doppler-Based Positioning Using Iridium-Next and Orbcomm Constellations.: Ya-Xun Yang, Shau-Shiun Jan, National Cheng Kung University
7.	Space Based Augmentation Service for Opportunistic LEO-PNT: Francesco Menzione, European Commission’s Joint Research Centre (JRC); Ottavio M. Picchi, External consultant for European Commission’s JRC; Christian A. Lichtenberger, and Thomas Pany, University of the Bundeswehr Munich
8.	Code-Based GNSS Ranging Between Asynchronous Lunar Receivers: Effect of the Large Dynamics on the Measurements Time Extrapolation Quality: Anaïs Delépaut, Alex Minetto, and Fabio Dovis, Politecnico di Torino
Alternate
1.	Simulation of the Impact of Low-Earth-Orbit GNSS on Carrier Phase Ambiguity Resolution: Claire Mah and Kyle O'Keefe, University of Calgary

Evening Hours in Exhibit Hall 5:30 p.m. – 6:30 p.m.

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