My Experience

Doctoral Researcher (University of Oulu)

Aug. 2022 – Now, Oulu, FI

Investigating and proposing new applications for series-fed arrays to replace corporate-fed ones in 6G.

Engineer of Study (Alten SO)

Jan. 2021 – Jan. 2022, Toulouse, FR

RF Validation of the INMARSAT 6 Payload.

Application Engineer (EMA Europe)

Feb. 2020 – Dec. 2020, Montigny-le-Bretonneux, FR

Electromagnetic Compatibility (EMC) assessment of Vertical Takeoff and Landing (VTOL) aircrafts.

Communication Payload System Engineer (OHB System AG)

Apr. 2019 – Jan. 2020, Bremen, DE

Electromagnetic Compatibility (EMC) assessment of H2SAT Satellite.

Doctoral Researcher (Observatoire de Paris – PSL Univ.)

Oct. 2015 – Sept. 2018, Paris, FR

Conceptual study of metamaterials to be used as flat lenses in heterodyne receivers for astronomy.

My Background

PhD in Astronomy & Astrophysics (PSL Université)

Oct. 2015 – Oct. 2018, Paris, Fr

Final Grade: N.A.

MSc in Space Engineering (Sapienza Univ. of Rome)

Nov. 2011 – May 2014, Rome, IT

Final Grade: 110/110

BSc in Aerospace Engineering (Sapienza Univ. of Rome)

Oct. 2008 – Nov. 2011, Rome, IT

Final Grade: 110 with hons/110

My Publications

1. *D. Delfini, N. Tervo, M. Y. Javed, M. Jokinen, M. E. Leinonen, A. Pärssinen, “Angle-of-Arrival Detection in Series-Fed Modular Hybrid Beamforming Arrays Exploiting the Analogy Between Frequency and Spatial Responses”, 2026 IEEE Transactions on Microwave Theory and Techniques, doi: 10.1109/TMTT.2026.3681543.
2. *D. Delfini, N. Tervo, M. Y. Javed, M. E. Leinonen, A. Pärssinen, “Quantitative Insight on Asymmetric Beam Patterns Based on the Effects of an Additional Spare Antenna”, 2025 36th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), Istanbul, Turkey, 2025., doi: 10.1109/PIMRC62392.2025.11275117.
3. M. Jokinen, O. Kursu, A. Sethi, R. Akbar, Z. Siddiqui, M. Hietanen, *D. Delfini, N. Tervo, J. P. Aikio, T. Rahkonen, A. Pärssinen, M. E. Leinonen, “Calibration of 5G Millimeter-Wave Active Antenna Array Platform With Search-Based Optimization Method,” in IEEE Transactions on Microwave Theory and Techniques, doi: 10.1109/TMTT.2025.3615300.
4. *D. Delfini, N. Tervo, M. Y. Javed, M. E. Leinonen and A. Pärssinen, “Asymmetrically Routed Phased Arrays as an Enabler for Analog Directional Encoding,” 2025 19th European Conference on Antennas and Propagation (EuCAP), Stockholm, Sweden, 2025, pp. 1-5, doi: 10.23919/EuCAP63536.2025.11000014.
5. *D. Delfini, N. Tervo, M. Y. Javed, M. E. Leinonen and A. Pärssinen, “Design and Analysis of Potential Phased Array Configurations for Wideband Near-Field Beamforming,” 2024 IEEE International Symposium on Phased Array Systems and Technology (ARRAY), Boston, MA, USA, 2024, pp. 1-6, doi: 10.1109/ARRAY58370.2024.10880447.
6. *D. Delfini, N. Tervo, M. Y. Javed, M. E. Leinonen and A. Pärssinen, “Tapering Impact on the Spatial and Frequency Responses of Broadband Asymmetrically Routed Phased Arrays,” 2024 18th European Conference on Antennas and Propagation (EuCAP), Glasgow, United Kingdom, 2024, pp. 1-5, doi: 10.23919/EuCAP60739.2024.10501642.
7. *D. Delfini, N. Tervo, M. E. Leinonen and A. Pärssinen, “Impact of the Asymmetric Signal Routing on the Wideband Spatial Behavior of Large Modular Phased Arrays,” 2023 17th European Conference on Antennas and Propagation (EuCAP), Florence, Italy, 2023, pp. 1-5, doi: 10.23919/EuCAP57121.2023.10133514.
8. *D. Delfini, M. Wiedner, M. Casaletti, J. Serrazin, F. Joint, T. Vacelet, Y. Delorme, “Development of a transmit-array for heterodyne receiver”, 29th IEEE International Symposium on Space THz Technology (ISSTT), Pasadena, CA, USA, 2018, doi: 10.13140/RG.2.2.17476.30080.
9. *D. Delfini, M. Wiedner, M. Casaletti, J. Serrazin, Y. Delorme, H. Gibson, “Investigation into Possible Planar Heterodyne Receiver Arrays with large (n≥100) number of pixels”, 28th IEEE International Symposium on Space THz Technology (ISSTT), Cologne, DE, 2017, doi: 10.13140/RG.2.2.24187.18726.
10. D. Bianchi, F. Nasuti, *D. Delfini, “Modeling of gas–surface interface for paraffin-based hybrid rocket fuels in computational fluid dynamics simulations”, Progress in Propulsion Physics – Volume 11, 2019, doi: 10.1051/eucass/201911003.