Outputs and Results

Outputs and Results

Towards Future 6G Telecommunications: Research at the THz Domain in Intracom Telecom

August 27, 2025

D. C. Tzarouchis et al., “Towards Future 6G Telecommunications: Research at the THz Domain in Intracom Telecom,” 2025 IEEE Computer Society Annual Symposium on VLSI (ISVLSI), Kalamata, Greece, 2025, pp. 1-4, August 2025

DOI:10.1109/ISVLSI65124.2025.11130288

Near-Field Multipath MIMO Channel Model for Imperfect Surface Reflection

August 12, 2025

Mohamadreza Delbari, George C. Alexandropoulos, Robert Schober, H. Vincent Poor, Vahid Jamali, “Near-Field Multipath MIMO Channel Model for Imperfect Surface Reflection,” 2024 IEEE Globecom Workshops (GC Wkshps), Cape Town, South Africa, 2024, pp. 1-7, August 2025

DOI:10.1109/GCWkshp64532.2024.11101277

Printed Zinc Tin Oxide Memristors for Reservoir Computing

August 3, 2025

Azevedo Martins, R., Silva, C., Deuermeier, J., Milano, G., Rosero-Realpe, M., Parreira, C., Fortunato, E., Martins, R., Kiazadeh, A., and Carlos, E., “Printed Zinc Tin Oxide Memristors for Reservoir Computing,” in Advanced Intelligent Systems, August 2025

DOI:10.1002/aisy.202500450

Towards a Heuristic Path Loss Model for RIS Links

August 1, 2025

L. H. W. Loeser and T. Kürner, “Towards a Heuristic Path Loss Model for RIS Links,” 2025 URSI International Symposium on Electromagnetic Theory (EMTS), Bologna, Italy, 2025, pp. 1-4, August 2025

DOI:10.46620/URSIEMTS25/SKHF6427

Characterization of Indoor Reconfigurable Intelligent Surface-Assisted Channels at 304 GHz: Experimental Measurements, Challenges, and Future Directions

July 11, 2025

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 Reconfigurable Intelligent Surface-Assisted Channels at 304 GHz: Experimental Measurements, Challenges, and Future Directions,” in IEEE Vehicular Technology Magazine, July 2025

DOI:10.1109/MVT.2025.3582403

Minimum Mean Squared Error Holographic Beamforming for Sum-Rate Maximization

June 27, 2025

C. K. Sheemar, W. U. Khan, G. C. Alexandropoulos, M. Ahmed and S. Chatzinotas, “Minimum Mean Squared Error Holographic Beamforming for Sum-Rate Maximization,” in IEEE Wireless Communications Letters, June 2025

DOI:10.1109/LWC.2025.3583878

Evaluation of Switching Technologies for Reflective and Transmissive RISs at Sub-THZ Frequencies

June 26, 2025

S. I. Inácio et al., “Evaluation of Switching Technologies for Reflective and Transmissive RISs at Sub-THZ Frequencies,” 2025 Joint European Conference on Networks and Communications & 6G Summit (EuCNC/6G Summit), Poznan, Poland, 2025, pp. 1-6, June 2025

DOI:10.1109/EuCNC/6GSummit63408.2025.11036960

Active Reconfigurable Intelligent Surfaces: Circuit Modeling and Reflection Amplification Optimization

June 20, 2025

P. Gavriilidis, D. Mishra, B. Smida, E. Basar, C. Yuen and G. C. Alexandropoulos, “Active Reconfigurable Intelligent Surfaces: Circuit Modeling and Reflection Amplification Optimization,” in IEEE Open Journal of the Communications Society, June 2025

DOI:10.1109/OJCOMS.2025.3581735

Sustainability in SNS JU Projects – Targets, Methodologies, Trade-offs and Implementation Considerations Towards 6G Systems (white paper)

May 30, 2025

Rezaki, A., Trichias, K., Mesodiakaki, A., Gavras, A., Aseeva, A., Berardinelli, G., Osman, H., Gutiérrez Terán, J., Petersen, K., Gramaglia, M., Katz, M., Bezzi, M., & Ghoraishi, M. “Sustainability in SNS JU Projects – Targets, Methodologies, Trade-offs and Implementation Considerations Towards 6G Systems”. Zenodo. May 2025

DOI:10.5281/zenodo.15555293

Dual Dielectric Metasurface for Simultaneous Sensing and Reconfigurable Reflections

May 25, 2025

M. Birari, D. S. Nagarkoti, A. Katsounaros, H. K. Reddy Mudireddy, J. Malik and G. C. Alexandropoulos, “Dual Dielectric Metasurface for Simultaneous Sensing and Reconfigurable Reflections,” 2025 19th European Conference on Antennas and Propagation (EuCAP), Stockholm, Sweden, 2025, pp. 1-5, May 2025

DOI:10.23919/EuCAP63536.2025.10999925

Simultaneous Communications and Sensing with Hybrid Reconfigurable Intelligent Surfaces

May 21, 2025

I. Gavras and G. C. Alexandropoulos, “Simultaneous Communications and Sensing with Hybrid Reconfigurable Intelligent Surfaces,” 2025 19th European Conference on Antennas and Propagation (EuCAP), Stockholm, Sweden, 2025, pp. 1-5, May 2025

DOI:10.23919/EuCAP63536.2025.10999482

T-RIS and R-RIS Experimental Characterization in the Sub-THz Band

May 21, 2025

B. K. Jung et al., “T-RIS and R-RIS Experimental Characterization in the Sub-THz Band,” 2025 19th European Conference on Antennas and Propagation (EuCAP), Stockholm, Sweden, 2025, pp. 1-5, May 2025

DOI:10.23919/EuCAP63536.2025.10999961

A Phase Correcting Surface Based on a D-Band Transmitarray Antenna Using Hybrid-PCB-CMOS Technology

May 21, 2025

A. Kumar, J. L. Gonzalez-Jimenez, L. Lucci, A. Siligaris and A. Clemente, “A Phase Correcting Surface Based on a D-Band Transmitarray Antenna Using Hybrid-PCB-CMOS Technology,” 2025 19th European Conference on Antennas and Propagation (EuCAP), Stockholm, Sweden, 2025, pp. 1-4, May 2025

DOI:10.23919/EuCAP63536.2025.10999498

Multifunctional Dual-Band Metasurface-Based Transmit- and Reflect-Arrays at Sub-THz

May 21, 2025

B. Ouardi, R. Sauleau and A. Clemente, “Multifunctional Dual-Band Metasurface-Based Transmit- and Reflect-Arrays at Sub-THz,” 2025 19th European Conference on Antennas and Propagation (EuCAP), Stockholm, Sweden, 2025, pp. 01-04, May 2025

DOI:10.23919/EuCAP63536.2025.10999744

Analysis of Reconfigurable Reflective Unit Cells in Waveguide Environment for Ka and D Band

May 21, 2025

S. Finich, M. Elsaid, S. I. Inacio, H. M. Salgado and L. M. Pessoa, “Analysis of Reconfigurable Reflective Unit Cells in Waveguide Environment for Ka and D Band,” 2025 19th European Conference on Antennas and Propagation (EuCAP), Stockholm, Sweden, 2025, pp. 1-5, May 2025

DOI:10.23919/EuCAP63536.2025.10999396

Wide-Angular Scanning Performance Enhancement Phased Aarray Using Phase Gradient Metasurface

May 21, 2025

Y. Ma, Q. Luo, Y. Zhou and G. Yang, “Wide-Angular Scanning Performance Enhancement Phased Aarray Using Phase Gradient Metasurface,” 2025 19th European Conference on Antennas and Propagation (EuCAP), Stockholm, Sweden, 2025, pp. 1-5, May 2025

DOI:10.23919/EuCAP63536.2025.10999315

Near-Field Localization With Extremely Large Scale Antenna Arrays in the Presence of Mutual Coupling

May 21, 2025

Z. Ebadi et al., “Near-Field Localization With Extremely Large Scale Antenna Arrays in the Presence of Mutual Coupling,” 2025 19th European Conference on Antennas and Propagation (EuCAP), Stockholm, Sweden, 2025, pp. 1-5, May 2025

DOI:10.23919/EuCAP63536.2025.10999349

Channel Measurements Involving Passive RIS at 300 GHz

May 21, 2025

L. H. W. Loeser, S. Matos and T. Kürner, “Channel Measurements Involving Passive RIS at 300 GHz,” 2025 19th European Conference on Antennas and Propagation (EuCAP), Stockholm, Sweden, 2025, pp. 1-5, May 2025

DOI:10.23919/EuCAP63536.2025.10999543

Design and Characterization of a Transmitarray for Near-Field Focusing at Sub-THz

May 21, 2025

M. Defives, R. Sauleau, O. Koutsos, M. Caillet and A. Clemente, “Design and Characterization of a Transmitarray for Near-Field Focusing at Sub-THz,” 2025 19th European Conference on Antennas and Propagation (EuCAP), Stockholm, Sweden, 2025, pp. 1-5, May 2025

DOI:10.23919/EuCAP63536.2025.10999806

Unit Cell Design for a Low-Profile Dual-Frequency Dual-Sense Circularly Polarized Folded Transmitarray

May 21, 2025

Z. Lu, C. Zha, Q. Luo, B. Tang and Y. Cai, “Unit Cell Design for a Low-Profile Dual-Frequency Dual-Sense Circularly Polarized Folded Transmitarray,” 2025 19th European Conference on Antennas and Propagation (EuCAP), Stockholm, Sweden, 2025, pp. 1-4, May 2025

DOI:10.23919/EuCAP63536.2025.10999336

Double Directional Channel Measurements at 300 GHz in Indoor Environments Enhanced by Reconfigurable Intelligent Surfaces

May 21, 2025

B. K. Jung, J. M. Eckhardt, V. V. Elesina and T. Kürner, “Double Directional Channel Measurements at 300 GHz in Indoor Environments Enhanced by Reconfigurable Intelligent Surfaces,” 2025 19th European Conference on Antennas and Propagation (EuCAP), Stockholm, Sweden, 2025, pp. 1-5, May 2025

DOI:10.23919/EuCAP63536.2025.10999320

A Reconfigurable Intelligent Surface for 3.6 GHz Based on a Double Squared Slot Shaped Element

May 21, 2025

T. E. S. Oliveira, J. R. Reis, I. Cuiñas and R. F. S. Caldeirinha, “A Reconfigurable Intelligent Surface for 3.6 GHz Based on a Double Squared Slot Shaped Element,” 2025 19th European Conference on Antennas and Propagation (EuCAP), Stockholm, Sweden, 2025, pp. 1-5, May 2025

DOI:10.23919/EuCAP63536.2025.10999398

Indoor Channel Characterization with Extremely Large Reconfigurable Intelligent Surfaces at 300 GHz

May 21, 2025

F. Cardoso, S. Matos, L. M. Pessoa and G. C. Alexandropoulos, “Indoor Channel Characterization With Extremely Large Reconfigurable Intelligent Surfaces at 300 GHz,” 2025 19th European Conference on Antennas and Propagation (EuCAP), Stockholm, Sweden, 2025, pp. 1-5, May 2025

DOI:10.23919/EuCAP63536.2025.10999642

1-Bit Reconfigurable Intelligent Surface Unit Cell Based on Non-Volatile Technology at D-Band

May 21, 2025

M. Elsaid, S. Finich, H. M. Salgado and L. M. Pessoa, “1-Bit Reconfigurable Intelligent Surface Unit Cell Based on Non-Volatile Technology at D-Band,” 2025 19th European Conference on Antennas and Propagation (EuCAP), Stockholm, Sweden, 2025, pp. 1-5, May 2025

DOI:10.23919/EuCAP63536.2025.10999338

Enhancing Wireless Communications at 300 GHz using RIS in an Industrial Scenario

May 21, 2025

G. Jensen, B. K. Jung, Q. Luo and T. Kürner, “Enhancing Wireless Communications at 300 GHz using RIS in an Industrial Scenario,” 2025 19th European Conference on Antennas and Propagation (EuCAP), Stockholm, Sweden, 2025, pp. 1-5, May 2025

DOI:10.23919/EuCAP63536.2025.10999650

Sustainable Wireless Networks via Reconfigurable Intelligent Surfaces (RISs): Overview of the ETSI ISG RIS

May 21, 2025

Ruiqi Liu, Shuang Zheng, Qingqing Wu, Yifan Jiang, Nan Zhang, Yuanwei Liu, Marco Di Renzo, and George C. Alexandropoulos, “Sustainable Wireless Networks via Reconfigurable Intelligent Surfaces (RISs): Overview of the ETSI ISG RIS”, in IEEE Communications Standards Magazine, May 2025

DOI:10.1109/MCOMSTD.2025.3572259

Phase-Only Pattern Synthesis of Domino Tiling Irregular Arrays Based on Deep Reinforcement Learning and Gradient-descent Optimization

May 12, 2025

Y. Ma, Y. Guo, Q. Luo, Y. Zhou, G. Yang and S. Gao, “Phase-Only Pattern Synthesis of Domino Tiling Irregular Arrays Based on Deep Reinforcement Learning and Gradient-descent Optimization,” in IEEE Transactions on Antennas and Propagation, May 2025

DOI:10.1109/TAP.2025.3567185

Rate-Splitting Multiple Access for a Multi-RIS-Assisted Cell-Free Network with Low-Resolution DACs

May 9, 2025

M. R. Camana, Z. Abdullah, C. E. Garcia, E. Lagunas and S. Chatzinotas, “Rate-Splitting Multiple Access for a Multi-RIS-Assisted Cell-Free Network with Low-Resolution DACs,” 2025 IEEE Wireless Communications and Networking Conference (WCNC), Milan, Italy, 2025, pp. 1-6, May 2025

DOI:10.1109/WCNC61545.2025.10978785

Near-Field Beam Tracking with Extremely Large Dynamic Metasurface Antennas

March 26, 2025

P. Gavriilidis and G. C. Alexandropoulos, “Near-Field Beam Tracking with Extremely Large Dynamic Metasurface Antennas,” in IEEE Transactions on Wireless Communications, March 2025

DOI:10.1109/TWC.2025.3552547

Near-Field Localization with Dynamic Metasurface Antennas at THz: A CRB Minimizing Approach

March 20, 2025

I. Gavras and G. C. Alexandropoulos, “Near-Field Localization with Dynamic Metasurface Antennas at THz: A CRB Minimizing Approach,” in IEEE Wireless Communications Letters, March 2025

DOI:10.1109/LWC.2025.3553366

Evolving Multi-Branch Attention Convolutional Neural Networks for Online RIS Configuration

March 18, 2025

G. Stamatelis, K. Stylianopoulos and G. C. Alexandropoulos, “Evolving Multi-Branch Attention Convolutional Neural Networks for Online RIS Configuration,” in IEEE Transactions on Cognitive Communications and Networking, March 2025

DOI:10.1109/TCCN.2025.3552623

CMOS compatible 200 mm GaN-on-Si HEMTs for RF switch applications with 36 dBm CW power handling and 200 fs RonCoff

February 18, 2025

L. Lucci, I. Charlet, Y. Gobil, F. Morisot, J. Delprato, S. Ruel, C. Benotmane, F. Laulagnet, P. Dezest, R. Bon, T. Bordignon, A. Clemente, A. Kumar, A. Anotta, T. Billon, B. Duriez, and E. Morvan, “CMOS Compatible 200 mm GaN-on-Si HEMTs for RF Switch Applications with 36 dBm CW Power Handling and 200 FS RonCoff,” 2024 IEEE International Electron Devices Meeting (IEDM), San Francisco, CA, USA, February 2025

DOI:10.1109/IEDM50854.2024.10872999

AI/ML as a Key Enabler of 6G Networks: Methodology, Approach and AI-Mechanisms in SNS JU (white paper)

January 31, 2025

Trichias, K., Christopoulou, M., Porambage, P., Benzaid, C., Vassiliou, V., Artuñedo Guillén, D., Tsolkas, D., Avgeris, M., Papagianni, C., Jain, A., Kilper, D., & Chen, T.  “AI/ML as a Key Enabler of 6G Networks: Methodology, Approach and AI-Mechanisms in SNS JU”. Zenodo. January 2025

DOI:10.5281/zenodo.14623106

Power Scalability Modeling of Reconfigurable Intelligent Surfaces for THz Applications

January 23, 2025

P. N. Vummadisetty, J. Andres Vasquez-Peralvo, S. Chatzinotas, J. C. Merlano Duncan, A. Zorkun and T. Phan, “Power Scalability Modeling of Reconfigurable Intelligent Surfaces for THz Applications,” 2024 International Symposium on Antennas and Propagation (ISAP), Incheon, Korea, Republic of, 2024, pp. 1-2, January 2025

DOI:10.1109/ISAP62502.2024.10846560

Initial Assessment of THz Indoor Channel with Passive Reflective Intelligent Surfaces

January 23, 2025

B. K. Jung, V. V. Elesina, S. Matos, R. D’Errico and T. Kürner, “Initial Assessment of THz Indoor Channel with Passive Reflective Intelligent Surfaces,” 2024 International Symposium on Antennas and Propagation (ISAP), Incheon, Korea, Republic of, 2024, pp. 1-2, January 2025

DOI:10.1109/ISAP62502.2024.10846784

Impact of Safety Angle on Channel Capacity in THz X-Haul Links

January 23, 2025

B. K. Jung and T. Kürner, “Impact of Safety Angle on Channel Capacity in THz X-Haul Links,” 2024 International Symposium on Antennas and Propagation (ISAP), Incheon, Korea, Republic of, 2024, pp. 1-2, January 2025

DOI:10.1109/ISAP62502.2024.10846774

RIS Subset Selection/Assignment Based on Multi-Armed Bandit in Multi-RIS-Aided Communications

January 23, 2025

A. E. Zorkun, J. Andres Vasquez Peralvo, P. N. Vummadisetty and S. Chatzinotas, “RIS Subset Selection/Assignment Based on Multi-Armed Bandit in Multi-RIS-Aided Communications,” 2024 International Symposium on Antennas and Propagation (ISAP), Incheon, Korea, Republic of, 2024, pp. 1-2, January 2025

DOI:10.1109/ISAP62502.2024.10846175

Beamforming architectures for integrated sensing and communications in millimeter-wave and terahertz

January 17, 2025

Ahmet M. Elbir, Symeon Chatzinotas, “Chapter 11 – Beamforming architectures for integrated sensing and communications in millimeter-wave and terahertz,” Integrated Sensing and Communications for Future Wireless Networks, Academic Press, 2025, pages 283-302, January 2025

DOI:10.1016/B978-0-44-322143-9.00021-7

Near-Field Localization with Antenna Arrays in the Presence of Direction-Dependent Mutual Coupling

January 15, 2025

Zohreh Ebadi, Amir Masoud Molaei, George C. Alexandropoulos, Muhammad Ali Babar Abbasi, Simon Cotton, Anvar Tukmanov, and Okan Yurduseven, “Near-Field Localization with Antenna Arrays in the Presence of Direction-Dependent Mutual Coupling,” in IEEE Transactions on Vehicular Technology, January 2025.

DOI:10.1109/TVT.2025.3530166

Holographic Metasurfaces Enabling Wave Computing for 6G: Status Overview, Challenges, and Future Research Trends

January 9, 2025

Zahra Rahimian Omam, Hamidreza Taghvaee, Ali Araghi, Maria Garcia-Fernandez, Guillermo Alvarez-Narciandi, George C. Alexandropoulos, Okan Yurduseven, Mohsen Khalily, “Holographic Metasurfaces Enabling Wave Computing for 6G: Status Overview, Challenges, and Future Research Trends,” arXiv preprint, January 2025