George C. Alexandropoulos

George C. Alexandropoulos

George C. Alexandropoulos is an Associate Professor at the Department of Informatics and Telecommunications, School of Sciences, National and Kapodistrian University of Athens (NKUA). He also holds an adjunct professorship at the University of Illinois Chicago. His research focuses on wireless communication systems, signal processing, and reconfigurable intelligent surfaces (RIS), with contributions to integrated sensing and communications (ISAC), millimeter-wave/THz systems, and distributed machine learning.

Education

• Ph.D. in Computer Engineering and Informatics, University of Patras, Greece (2010)
• M.A.Sc. in Signal and Communications Processing Systems, University of Patras, Greece (2005)
• Engineering Diploma (5 years), Computer Engineering and Informatics, University of Patras, Greece (2003)

Research Interests

Alexandropoulos' work spans algorithmic design for wireless networks, optimization of multi-antenna systems, and full-duplex radios. He is particularly known for pioneering contributions to reconfigurable metasurfaces, including their application in ISAC and 6G networks. His research emphasizes practical implementations, such as prototypes for AoA estimation and field trials for RIS deployment.

Articles

His publications highlight advancements in secure ISAC, fluid RIS design, and edge-intelligence networks. Recent work explores challenges in THz RIS hardware and OTA edge inference using metasurface-integrated neural networks.

Scientific Awards

• IEEE ComSoc Leonard G. Abraham Prize (2024)
• IEEE Marconi Prize Paper Award (2021)
• NKUA Research Excellence Award (2023-2024)

Advising & Grants

Alexandropoulos has led several EU and industry projects, including contributions to Huawei's 5G standards and TII's AI research. His work often involves interdisciplinary teams and practical prototyping.

Labs & Teams

He is affiliated with the Communications and Signal Processing division at NKUA and collaborates with institutions like ATHENA Research Center and the Technology Innovation Institute (Abu Dhabi).