George C. Alexandropoulos, Bo Kum Jung, Panagiotis Gavriilidis, Sérgio Matos, Lorenz H. W. Loeser, Varvara Elesina, Antonio Clemente, Raffaele D’Errico, Luís M. Pessoa, Thomas Kürner, “Characterization of Indoor RIS-Assisted Channels at 304 GHz: Experimental Measurements, Challenges, and Future Directions,” submitted, December 2024.

Uusitalo, Mikko, Carlos Jesus Bernardos, Alexandros Kaloxylos, Didier Arnaud Bourse, Toon Norp, Håkon Lønsethagen, Artur Hecker, Patrik Rugeland, Chrysa Papagianni, and Ömer Bulakci. “European Vision for the 6G Network Ecosystem.” Zenodo, November 2024.

Ioannis Gavras, George C. Alexandropoulos, “Simultaneous Communications and Sensing with Hybrid Reconfigurable Intelligent Surfaces”, submitted.

Ioannis Gavras, George C. Alexandropoulos, “Circuit-Compliant Optimization of Dynamic Metasurface Antennas for Near-Field Localization”, submitted.

George Stamatelis, Panagiotis Gavriilidis, Aymen Fakhreddine, George C. Alexandropoulos, “On the Detection of Non-Cooperative RISs: Scan B-Testing via Deep Support Vector Data Description”, submitted.

C. K. Sheemar, S. Chatzinotas, D. Slock, E. Lagunas and J. Querol, “Parallel and Distributed Hybrid Beamforming for Multicell Millimeter Wave MIMO Full Duplex,” in IEEE Transactions on Vehicular Technology, October 2024.

J. L. González-Jiménez et al., “A 57.6 Gb/s D-band point-to-point link based on real time baseband processors and transmissive RIS,” 2024 54th European Microwave Conference (EuMC), Paris, France, 2024, pp. 409-412, October 2024.

A. L. Moustakas and G. C. Alexandropoulos, “MIMO MAC Empowered by Reconfigurable Intelligent Surfaces: Capacity Region and Large System Analysis,” in IEEE Transactions on Wireless Communications, October 2024

A. M. Elbir, K. V. Mishra, S. Chatzinotas and M. Bennis, “Terahertz-Band Integrated Sensing and Communications: Challenges and Opportunities,” in IEEE Aerospace and Electronic Systems Magazine, October 2024

M. Elsaid, S. I. Inácio, H. M. Salgado and L. M. Pessoa, “Memristor-Based 1-Bit Reconfigurable Intelligent Surface for 6G Communications at D-Band,” 2024 International Conference on Electromagnetics in Advanced Applications (ICEAA), Lisbon, Portugal, 2024, pp. 694-699, October 2024.

Sérgio Matos, Yihan Ma, Qi Luo, Jonas Deuermeier, Luca Lucci, Panagiotis Gavriilidis, Asal Kiazadeh, Verónica Lain-Rubio, Tung D. Phan, Ping Jack Soh, Antonio Clemente, Luís M. Pessoa, and George C. Alexandropoulos, “Reconfigurable Intelligent Surfaces for THz: Hardware Impairments and Switching Technologies,” 2024 International Conference on Electromagnetics in Advanced Applications (ICEAA), Lisbon, Portugal, October 2024

T. E. S. Oliveira, J. R. Reis, I. Cuiñas and R. F. S. Caldeirinha, “A Novel Wideband 1-bit Reconfigurable Intelligent Surface Design for 26 GHz,” 2024 International Conference on Electromagnetics in Advanced Applications (ICEAA), Lisbon, Portugal, 2024, pp. 613-616, October 2024.

B. Ouardi, R. Sauleau and A. Clemente, “Dual-Band Frequency Selective Surface in Quartz for Transmitarray Applications at Sub-THz,” 2024 International Conference on Electromagnetics in Advanced Applications (ICEAA), Lisbon, Portugal, October 2024

Kyriakos Stylianopoulos, Panagiotis Gavriilidis, and George C. Alexandropoulos, “Asymptotically Optimal Closed-Form Phase Configuration of 1-bit RISs via Sign Alignment,” 2024 IEEE 25th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC), Lucca, Italy, October 2024

I. Gavras and G. C. Alexandropoulos, “Simultaneous Near-Field THz Communications and Sensing with Full Duplex Metasurface Transceivers,” 2024 IEEE 25th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC), Lucca, Italy, October 2024

B. K. Jung and T. Kürner, “Energy Efficient Interference Management For THz X-Haul Using Reconfigurable Intelligent Surfaces,” 2024 49th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Perth, Australia, 2024, pp. 1-2,  October 2024.

Y. Ma, Q. Luo and G. Yang, “A Gradient Descent Method for Phase Only Pattern synthesis of Irregular Subarray,” 2024 International Applied Computational Electromagnetics Society Symposium (ACES-China), Xi’an, China, October 2024

D. Kong, D. T. Phan, J. Palosaari, J. Juuti, A. Pärssinen and P. J. Soh, “Initial Study of a Sub-THz Reconfigurable Reflector Using Actuated Liquid Metal Droplet,” 2024 IEEE International Symposium on Antennas and Propagation and INC/USNC‐URSI Radio Science Meeting (AP-S/INC-USNC-URSI), Firenze, Italy, September 2024

J. A. Vàsquez-Peralvo, P. N. Vummadisetty and S. Chatzinotas, “Scalability Analysis of Reflective Intelligent Surfaces at THz Frequencies,” 2024 IEEE International Symposium on Antennas and Propagation and INC/USNC‐URSI Radio Science Meeting (AP-S/INC-USNC-URSI), Firenze, Italy, September 2024

M. Defives, R. Sauleau, and A. Clemente, “Numerical Tool for the Analysis and Synthesis of Transmitarrays in Fresnel Region,” 2024 IEEE International Symposium on Antennas and Propagation and INC/USNC‐URSI Radio Science Meeting (AP-S/INC-USNC-URSI), Firenze, Italy, September 2024

M. Bouslama and A. Clemente, “Dual-Band Unit Cell for Electronically Reconfigurable Reflectarrays at mmWave,” 2024 IEEE International Symposium on Antennas and Propagation and INC/USNC‐URSI Radio Science Meeting (AP-S/INC-USNC-URSI), Firenze, Italy, September 2024

Mohamadreza Delbari, George C. Alexandropoulos, Robert Schober, H. Vincent Poor, Vahid Jamali, “Near-Field Multipath MIMO Channel Model for Imperfect Surface Reflection”, submitted.

A. Ghaneizadeh, P. Gavriilidis, M. Joodaki and G. C. Alexandropoulos, “Metasurface Energy Harvesters: State-of-the-Art Designs and Their Potential for Energy Sustainable Reconfigurable Intelligent Surfaces,” in IEEE Access, September 2024.

K. D. Katsanos, P. D. Lorenzo and G. C. Alexandropoulos, “Multi-RIS-Empowered Multiple Access: A Distributed Sum-Rate Maximization Approach,” in IEEE Journal of Selected Topics in Signal Processing, September 2024

George Stamatelis, Kyriakos Stylianopoulos, George C. Alexandropoulos, “Multi-Branch Attention Convolutional Neural Network for Online RIS Configuration with Discrete Responses: A Neuroevolution Approach”, submitted.

Aristeides D. Papadopoulos, Yihan Ma, Qi Luo, and George C. Alexandropoulos, “Adaptive polynomial chaos expansion for uncertainty quantification and optimization of horn antennas at subTHz frequencies”, submitted.

Y. Ma, Q. Luo, C. Zhang and G. Yang, “Deep Learning Enables Multifunctional Metasurfaces Design With Mutual Coupling Estimation,” in IEEE Transactions on Antennas and Propagation, vol. 72, no. 11, pp. 8443-8451, August 2024

Li, Qiang, Yehuai Feng, Miaowen Wen, Jinming Wen, George C. Alexandropoulos, Ertugrul Basar, and H. Vincent Poor, “Cooperative Backscatter Communications with Reconfigurable Intelligent Surfaces: An APSK Approach,” in IEEE Transactions on Wireless Communications, August 2024

Zohreh Ebadi, Amir Masoud Molaei, George C. Alexandropoulos, Muhammad Ali Babar Abbasi, Simon Cotton, Anvar Tukmanov, Okan Yurduseven, “Near-Field Localization with Antenna Arrays in the Presence of Direction-Dependent Mutual Coupling”, submitted.

M. Merluzzi and A. Clemente, “Anomalous and Specular Reflections of Reconfigurable Intelligent Surfaces: Configuration Strategies and System Performance,” in IEEE Wireless Communications Letters, August 2024

Y. Zhou, X. Ma, Q. Luo, Y. Ma, G. C. Alexandropoulos and X. Yang, “Wideband sub-THz Reconfigurable Intelligent Surface Using Planar Tightly Coupled Dipoles,” in IEEE Antennas and Wireless Propagation Letters, August 2024

D. Kong, T. D. Phan, J. Palosaari, J. Juuti, A. Pärssinen and P. J. Soh, “A Simplified Method for Designing Highly-Efficient Reflective Metasurfaces With Wide Steering Angles,” in IEEE Antennas and Wireless Propagation Letters, August 2024

Franco, M., Kiazadeh, A., Martins, R., Lanceros‐Méndez, S. and Carlos, E. “Printed Memristors: An Overview of Ink, Materials, Deposition Techniques, and Applications.” Advanced Electronic Materials, August 2024

Rafael A. Aguiar, Nuno Paulino, Luís M. Pessoa, “A Deep Learning Approach in RIS-based Indoor Localization,” 2024 Joint European Conference on Networks and Communications & 6G Summit (EuCNC/6G Summit), Antwerp, Belgium, July 2024

Ertugrul Basar, George C. Alexandropoulos, Yuanwei Liu, Qingqing Wu, Shi Jin, Chau Yuen, Octavia A. Dobre, and Robert Schober, “Reconfigurable Intelligent Surfaces for 6G: Emerging Hardware Architectures, Applications, and Open Challenges,” in IEEE Vehicular Technology Magazine, vol. 19, no. 3, pp. 27-47, Sept. 2024

B. K. Jung and T. Kürner, “On the Comparison of THz X-Haul Links using Generic Rain Cloud Movement,” 2024 4th URSI Atlantic Radio Science Meeting (AT-RASC), Meloneras, Spain, July 2024

E. Vlachos, A. Kaushik, Y. C. Eldar, and G. C. Alexandropoulos, “Time-Domain Channel Estimation for Extremely Large MIMO THz Communication Systems Under Dual-Wideband Fading Conditions,” IEEE Open Journal of the Communications Society, October 2023

Maria Elias Pereira, Jonas Deuermeier, Rodrigo Martins, Pedro Barquinha, and Asal Kiazadeh, “Unlocking Neuromorphic Vision: Advancements in IGZO-Based Optoelectronic Memristors with Visible Range Sensitivity,”  ACS Applied Electronic Materials Article ASAP, July 2024

C. K. Sheemar, S. Solanki, W. U. Khan, Z. Abdullah, E. Lagunas and S. Chatzinotas, “Reflecting Intelligent Surfaces Assisted High-Rank Ultra Massive MIMO Terahertz Channels,” 2024 IEEE Wireless Communications and Networking Conference (WCNC), Dubai, United Arab Emirates, July 2024

T. Gong, L. Wei, C. Huang, G. C. Alexandropoulos, M. Debbah, and C. Yuen, “Near-field channel modeling for holographic MIMO communications,” IEEE Wireless Communications, vol. 31, no. 3, pp. 108-116, June 2024