Patents

Chapters

Journals

1. A. Xhafa, F. Fabra, D. Egea-Roca, J. A. Lopez-Salcedo, G. Seco-Granados, "Experimental Investigation of AoA Estimation and Antenna Calibration with 5G NR signals using USRP Devices", IEEE Transactions on Instrumentation and Measurement, vol. 74, pp. 1-15, May 2025, [link].

Conferences

1. E. Dominguez, F. J. Mata, F. A. Pinto, M. Meneses, D. Garcia, J. Fidalgo, D. Giustiniano, G. Sanromita, T. Otim, F. Pigato, J. A. Lopez-Salcedo, G. Seco-Granados, F. Fabra, T. Reus, M. Fernández-Temprado, "Unified Navigation and Communication Hybrid Terminal", Proc. ION GNSS+ [Best Presentation Award], Sep. 2025, [link].
2. T. Spanos, F. Fabra, J. A. Lopez-Salcedo, G. Seco-Granados, N. Kanistras, I. Lapin, V. Paliouras, "Theoretical and Experimental Evaluation of AoA Estimation in Single-Anchor 5G Uplink Positioning", Proc. IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), Sep. 2025.
3. R. Terris-Gallego, F. Fabra, J. A. Lopez-Salcedo, G. Seco-Granados, "Designing Parametric Multiple-Choice Tests with Moodle and LaTeX for Engineering Education", Annual Conference of the European Association for Education in Electrical and Information Engineering (EAEEIE) – [Best paper award], June 2025, [link].
4. F. Fabra, J. A. Lopez-Salcedo, G. Seco-Granados, "Adaptation of a GNSS open-source receiver for analysis of LEO-PNT scenarios", Proc. ESA Workshop on Satellite Navigation User Equipment Technologies (NAVITEC), Dec. 2024, [link].
5. T. Spanos, F. Fabra, J. A. Lopez-Salcedo, G. Seco-Granados, N. Kanistras, I. Lapin, V. Paliouras, "USRP-Based Single Anchor Positioning: AoA with 5G Uplink Signals, and UWB Ranging", Proc. ESA Workshop on Satellite Navigation User Equipment Technologies (NAVITEC), Dec. 2024, [link].
6. F. Fabra, D. Egea-Roca, J. A. Lopez-Salcedo, G. Seco-Granados, "Analysis on signals for LEO-PNT beyond GNSS", Proc. European Signal Processing Conference (EUSIPCO), Aug. 2024, [link].
7. T. Spanos, F. Fabra, J. A. Lopez-Salcedo, G. Seco-Granados, N. Kanistras, I. Lapin, V. Paliouras, "Angle of Arrival Estimation Using SRS in 5G NR Uplink Scenarios", International Conference on Localization and GNSS (ICL-GNSS), June 2024, [link].
8. A. Xhafa, F. Fabra, J. A. Lopez-Salcedo, G. Seco-Granados, I. Lapin, "Pathway to Coherent Phase Acquisition in Multi-channel USRP SDRs for Direction of Arrival Estimation", Proc. International Conference on Software Defined Systems (SDS), Oct. 2023, [link].
9. A. Xhafa, F. Fabra, J. A. Lopez-Salcedo, G. Seco-Granados, "Preliminary Results of 5G Direction of Arrival Estimation using In-Situ Calibration with USRP", Proc. ICL-GNSS, June 2023, [link].
10. F. Fabra, J. A. Lopez-Salcedo, G. Seco-Granados, "Analysis of baseband algorithms for LEO PNT", Proc. European Navigation Conference (ENC), June 2023, [link].
11. E. Obiols, L. Tortajada-Ropero, A. Creus, A. Gonzalez-Novell, F. Fabra, G. Seco-Granados, "GNSS Interference Monitoring and Detection (GIMAD) System", Proc. European Navigation Conference (ENC), May 2023, [link].
12. F. Fabra, G. Seco-Granados, J. A. Lopez-Salcedo, E. Obiols, A. Creus, A. Gonzalez-Novell, "Detection, Characterization, and Localization of Interference Signals in Wideband GNSS Environments: the GIMAD System", ESA Workshop on Satellite Navigation User Equipment Technologies (NAVITEC), Apr. 2022, [link].
13. R. Crapart, R. A. Ahmad, S. Lannelongue, A. Rouanet-Labe, Y. Blaudin-De-The, G. Seco-Granados, F. Fabra, "PNT User-Segment Optimization Integrating LEO Components", ESA Workshop on Satellite Navigation User Equipment Technologies (NAVITEC), Apr. 2022, [link].