Session E1: Emerging Technologies for Alternative, Resilient, and Intelligent PNT Systems

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Date: Wednesday, September 10, 2025
Time: 8:30 a.m. - 12:15 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.
8:35	A Consideration on Method to Improve the Convergence Speed of MADOCA-PPP in GNSS Positioning Hirotaka Kuwabara, Koshiro Achioku, and Yukihiro Kubo, Ritsumeikan University
8:57	Federated Array Intelligent Link Server Architecture for Enhanced Synchronization (FAILSAFES) Wil Myrick, ENSCO Inc.
9:20	Towards Navigation with Non-Cooperative LEO Satellites: Modeling and Resolving Orbit and Timing Errors Samer Hayek, Joe Saroufim, and Zak (Zaher) M. Kassas, The Ohio State University
9:43	Leveraging Optical Links for Distributed Time Synchronization and Positioning Accuracy in LEO PNT Constellations Vinicius F. Nery, Shunichiro Nomura, The University of Tokyo; Joshua Critchley-Marrows, ArkEdge Space; Satoshi Ikari, Shinichi Nakasuka, The University of Tokyo
10:05-10:35, Break. Refreshments in Exhibit Hall
10:40	Comparative Study of ML-Based IMU Error Compensation Frameworks in Hybrid PNT Systems Sorin Andrei Negru, Ivan Petrunin, Weisi Guo, Cranfield University
11:03	Precise Attitude Determination Based on High-Rate GNSS-TDCP/INS Integration Shuai Guo, Hongzhou Yang, and Yang Gao, Department of Geomatics Engineering, University of Calgary
11:26	Test and Evaluation of an eLoran Tactile Mobile System Stefan Baumann, Victor Banos-Gonzalez, Sravan Machiraju, Thomas Sichert, iABG1; Hans Kessler, Rene Güttler, WTD612 & UrsaNav; Paul Mcintosh, Gerard Offermans, UrsaNav
11:48	LiDAR, UWB and IMU-Based Cross-Agent Relative Pose Estimation Andrea Masiero, Alberto Guarnieri, and Antonio Vettore, University of Padua
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.	PC-GCNN: A Novel End-to-end GCNN for Improving GNSS Positioning in Challenging Environments Zhichao Yang, Xiangjie Ding, Institute of Microelectronics of the Chinese Academy of Sciences & University of Chinese Academy of Sciences; Ying Yang, Qi Wang, Institute of Microelectronics of the Chinese Academy of Sciences
2.	Utilizing Ground Positioning Radar to Enhance Navigation Testing in GPS-Contested Environments Sean Abrahamson, 746th Test Squadron
3.	GNSS Spoofing Identification with Receiver Motion-Induced Doppler (GSIR-MID) Xin Tian, Zijiao Tian, Jiachen Wang, Genshe Chen, Intelligent Fusion Technology; Khanh Pham, Air Force Research Laboratory Space Vehicles Directorate (AFRL/RVBYC); Erik Blasch, Air Force Research Laboratory. US

On-Demand Presentations Pre-recorded presentations will become available for viewing by registered attendees on Wednesday, September 10.
	Enhanced Online Lever-Arm Estimation for GNSS/INS Integration using Factor Graph Optimization Hao Zhang, Tuan Li, Yuan Sun, Advanced Research Institute of Multidisciplinary Sciences, Beijing Institute of Technology; Zhipeng Wang, and Chuang Shi, Beihang University
	Navigation Optimization Algorithm Based on 3D Point Cloud and Multi-Source Information Fusion Wenjie Xie, Dong Zhou, Wenshuai Zhang, Wenrui Wang, Dan Tian, University of Electronic Science and Technology of China

12:15 p.m. – 1:15 p.m., Buffet Lunch in Exhibit Hall • 1:15 p.m. – 1:45 p.m., Free Time in Exhibit Hall

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