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, (accepted for publication), Apr 01 2025.

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, T. Reus, M. Fernandez, D. Egea-Roca, F. Fabra, A. Xhafa, "Unified Navigation and Communication Hybrid Terminal", Proc. ION GNSS+, Sep 12 2025.
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 01 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], Jun 18 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 11 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 11 2024.
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 30 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), Jun 25 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 22 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, Jun 08 2023, [link].
10. F. Fabra, J. A. Lopez-Salcedo, G. Seco-Granados, "Analysis of baseband algorithms for LEO PNT", Proc. European Navigation Conference (ENC), Jun 02 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 31 2023.
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 07 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 07 2022, [link].