Outputs and Results

Outputs and Results

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

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

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

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

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

Dual Dielectric Metasurface for Simultaneous Sensing and Reconfigurable Reflections

January 23, 2025

Mahesh Birari, Deepak Singh Nagarkoti, Anestis Katsounaros, Hruday Kumar Reddy Mudireddy, Jagannath Malik, George C. Alexandropoulos, “Dual Dielectric Metasurface for Simultaneous Sensing and Reconfigurable Reflections,” arXiv preprint (to be presented in EuCAP 2025), January 2025

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

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

January 22, 2025

Fabio Cardoso, Sérgio Matos, Luís M. Pessoa, George C. Alexandropoulos, “Indoor Channel Characterization with Extremely Large Reconfigurable Intelligent Surfaces at 300 GHz,” arXiv preprint (to be presented in EuCAP 2025), January 2025

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

Control Plane for Reconfigurable Intelligent Surfaces

December 16, 2024

F. Saggese, V. Croisfelt, K. Stylianopoulos, G. C. Alexandropoulos and P. Popovski, “Control Plane for Reconfigurable Intelligent Surfaces,” in IEEE Communications Standards Magazine, vol. 8, no. 4, pp. 24-30, December 2024

DOI:10.1109/MCOMSTD.0001.2400028

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

December 10, 2024

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,” arXiv preprint (submitted to an IEEE magazine), December 2024.

European Vision for the 6G Network Ecosystem (white paper)

November 24, 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.

DOI:10.5281/zenodo.13708424

Simultaneous Communications and Sensing with Hybrid Reconfigurable Intelligent Surfaces

November 14, 2024

Ioannis Gavras, George C. Alexandropoulos, “Simultaneous Communications and Sensing with Hybrid Reconfigurable Intelligent Surfaces”, arXiv preprint, November 2024

Circuit-Compliant Optimization of Dynamic Metasurface Antennas for Near-Field Localization

November 14, 2024

Ioannis Gavras, George C. Alexandropoulos, “Circuit-Compliant Optimization of Dynamic Metasurface Antennas for Near-Field Localization”, arXiv preprint, November 2024

On the Detection of Non-Cooperative RISs: Scan B-Testing via Deep Support Vector Data Description

November 5, 2024

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”, arXiv preprint (submitted to an IEEE conference), November 2024

Parallel and Distributed Hybrid Beamforming for Multicell Millimeter Wave MIMO Full Duplex

November 4, 2024

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.

DOI:10.1109/TVT.2024.3488956

A 57.6 Gb/s D-band point-to-point link based on real time baseband processors and transmissive RIS

October 31, 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.

DOI:10.23919/EuMC61614.2024.10732609

MIMO MAC Empowered by Reconfigurable Intelligent Surfaces: Capacity Region and Large System Analysis

October 22, 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

DOI:10.1109/TWC.2024.3480984

Terahertz-Band Integrated Sensing and Communications: Challenges and Opportunities

October 8, 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

DOI:10.1109/MAES.2024.3476228

Memristor-Based 1-Bit Reconfigurable Intelligent Surface for 6G Communications at D-Band

October 8, 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.

DOI:10.1109/ICEAA61917.2024.10701868

Reconfigurable Intelligent Surfaces for THz: Hardware Impairments and Switching Technologies

October 8, 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

DOI:10.1109/ICEAA61917.2024.10701743

A Novel Wideband 1-bit Reconfigurable Intelligent Surface Design for 26 GHz

October 8, 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.

DOI:10.1109/ICEAA61917.2024.10701781

Dual-band frequency selective surface in quartz for transmitarray applications at sub-THz

October 8, 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

DOI:10.1109/ICEAA61917.2024.10701638

Asymptotically Optimal Closed-Form Phase Configuration of 1-bit RISs via Sign Alignment

October 7, 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

DOI:10.1109/SPAWC60668.2024.10694052

Simultaneous Near-Field THz Communications and Sensing with Full Duplex Metasurface Transceivers

October 7, 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

DOI:10.1109/SPAWC60668.2024.10694467