Session B5: Design and Optimizing Signal for the Future

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Date: Friday, September 12, 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	Galileo Quasi-Pilot Signals: Starting the Era of Second Generation Galileo Signals on First Generation Satellites S. Wallner, J. Hahn, J.A. Garcia-Molina, G. Lopez-Risueno, European Space Agency; M. Caparrini, M. Lopez, EUSPA; M. Paonni, European Commission
8:57	Galileo Open Service Navigation Message Authentication (OSNMA): Lessons Learned and Next Steps towards the Service Provision Phase J. Simon (EUSPA), T. Rodriguez (EUSPA), A. Scorzolini (EUSPA), P. da Silva (EUSPA), F. Sbardellati (EUSPA), I. Fernandez-Hernandez (EC), S. Damy (JRC), D. Ibanez (ESA)
9:20	PPP Common View: Subnanosecond-Level Universal Time Synchronization Takahiro Yamamoto, Mitsuhiro Toda, Hidehiko Araki, CORE Corporation; Yuichiro Yano, Ryuichi Ichikawa, National Institute of Information and Communications Technology
9:43	Performance Evaluation of GNSS Meta-Signals Under Multipath Environment Robin Duprat, TeSA and ENAC; Paul Thevenon, Emile Ghizzo, ENAC; Lorenzo Ortega, IPSA and TéSA; Sébastien Roche, Margaux Bouilhac, Thales Alenia Space; François-Xavier Marmet, Centre National d'Etudes Spatiale
10:05-10:35, Break. Refreshments served outside of session rooms
10:40	Interleaved C/A code – A Backward Compatible C/A Code Evolution P. A. Dafesh, G. K. Khadge, T. Ferrett, and N. S. Wong, The Aerospace Corporation
11:03	Impact of Replica Matching on Distortion-Optimized Multilevel Coded Spreading Signals Florian C. Beck, German Aerospace Center (DLR) & RWTH Aachen University; Christoph Enneking, DLR; Steffen Thölert, and Michael Meurer, DLR & RWTH Aachen University
11:26	On the Compatibility of Emerging LEO-PNT with GNSS Users M. Paonni, O. Picchi, L. Cucchi, A. Piccolo, European Commission, Joint Research Centre (JRC); S. Wallner, M. Anghileri, C. Vazquez, P. Giordano, European Space Agency
11:48	Xona PULSAR Compatibility with GNSS Tyler G. R. Reid, Matteo Gala, Argyris Kriezis, Michael O’Meara, Andre Pant, Paul Tarantino, Christina Youn, Xona Space Systems
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.	The Trade-off Analysis of Performance Indicators in Navigation Messages Including Reduced CED ByungHyun Choi, DongUk Kim, and Hyoungmin So, Agency for Defense Development
2.	Galileo Second Generation Quasi-Pilot and Flexible Data Signals: State-of-Play J. A. Garcia-Molina, S. Wallner, J. Hahn, G. Lopez, C. Vazquez, and V. Lucas, European Space Agency

Awards Luncheon, 12:15 p.m. – 1:30 p.m. • Lunch served until 12:30 p.m.; late arrivals will not be served.

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