TERahertz ReconfigurAble METAsurfaces for ultra-high rate wireless communications

CORDIS proporciona enlaces a los documentos públicos y las publicaciones de los proyectos de los programas marco HORIZONTE.

Los enlaces a los documentos y las publicaciones de los proyectos del Séptimo Programa Marco, así como los enlaces a algunos tipos de resultados específicos, como conjuntos de datos y «software», se obtienen dinámicamente de OpenAIRE .

Resultado final

Report on Dissemination Standardisation and Exploitation Activities (initial)

Report on Dissemination Standardisation and Exploitation Activities (initial, interim, final) (R, PU, Ed.: TUBS, M12/M24/M36). These reports will include updates to the dissemination plan.

Network architecture and updated requirements and scenarios

Network architecture and updated requirements and scenarios (R, PU, Ed.: DER, M18). This deliverable will provide the definition and specification of the THz RIS network architectures considering factory edge and outdoor use case environments. It will also provide an updated version of the scenarios after the iterative process and refinements.

Dissemination Plan

Dissemination Plan (R, PU, Ed.: TUBS, M6).

Requirements, use cases and scenario specifications

Requirements, use cases and scenario specifications (R, PU, Ed.: BT, M6). This deliverable will identify and describe the overall scenarios and use case requirements expected for a THz RIS deployment in 6G within a wireless network. It will include basic scenario’s feasibility analysis using system level simulations.

Data management plan (initial)

Data management plan (DMP, PU, Ed.: INESC, M6/M33). This report consists of the project Data Management Plan based on the template recommended by the EC, describing how data generated in the project is exploited, accessed, curated and preserved. The initial version will be delivered by Month 6. The document will be maintained by INESC throughout the project, and an updated version will be submitted by M33.

Publicaciones

Energy Efficient Interference Management For THz X-Haul Using Reconfigurable Intelligent Surfaces

Autores: Bo Kum Jung, Thomas Kürner
Publicado en: 2024 49th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2024, ISSN 2162-2027
Editor: IEEE
DOI: 10.1109/IRMMW-THz60956.2024.10697896

Revisiting Risley Prism Transmit-Array Antennas Using a Novel Co-Design Phase Correction Approach

Autores: Sérgio A. Matos, Nelson J. G. Fonseca, João C. Serra, João Felicio, Jorge Costa, Carlos Femandes
Publicado en: 2024 IEEE International Symposium on Antennas and Propagation and INC/USNC‐URSI Radio Science Meeting (AP-S/INC-USNC-URSI), 2024
Editor: IEEE
DOI: 10.1109/AP-S/INC-USNC-URSI52054.2024.10686650

Enhancing NLoS RIS-Aided Localization with Optimization and Machine Learning

Autores: Rafael A. Aguiar; Nuno Paulino; Luís M. Pessoa
Publicado en: 2023 IEEE Globecom Workshops (GC Wkshps), 2023, ISSN 2166-0077
Editor: IEEE
DOI: 10.48550/arXiv.2405.01928

Power Scalability Modeling of Reconfigurable Intelligent Surfaces for THz Applications

Autores: Praveen Naidu Vummadisetty, Juan Andres Vasquez-Peralvo, Symeon Chatzinotas, Juan Carlos Merlano Duncan, Aral Zorkun, Tung Phan
Publicado en: 2024 International Symposium on Antennas and Propagation (ISAP), 2025
Editor: IEEE
DOI: 10.1109/ISAP62502.2024.10846560

Federated Multi-Task Learning For THZ Wideband Channel And DOA Estimation

Autores: A. M. Elbir, W. Shi, K. V. Mishra and S. Chatzinotas
Publicado en: International Conference on Acoustics, Speech, and Signal Processing Workshops (ICASSPW), 2023, ISBN 979-8-3503-0261-5
Editor: IEEE
DOI: 10.48550/arXiv.2207.06017

Initial Assessment of THz Indoor Channel with Passive Reflective Intelligent Surfaces

Autores: Bo Kum Jung, Varvara V. Elesina, Sergio Matos, Raffaele D’Errico, Thomas Kürner
Publicado en: 2024 International Symposium on Antennas and Propagation (ISAP), 2025
Editor: IEEE
DOI: 10.1109/ISAP62502.2024.10846784

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

Autores: Bo Kum Jung, Thomas Kürner
Publicado en: 2024 International Symposium on Antennas and Propagation (ISAP), 2025
Editor: IEEE
DOI: 10.1109/ISAP62502.2024.10846774

Reconfigurable Intelligent Surfaces for THz: Hardware Impairments and Switching Technologies

Autores: S. Matos, Y. Ma, Q. Luo, J. Deuermeier, L. Lucci, P. Gavriilidis, A. Kiazadeh, V. Lain-Rubio, T. D. Phan, P. J. Soh, A. Clemente, L. M. Pessoa, and G. C. Alexandropoulos
Publicado en: ICEAA 2024, 2024, ISSN 2766-2284
Editor: IEEE
DOI: 10.48550/arXiv.2402.13804

Improved Performance of a 1-Bit RIS by Using Two Switches per Bit Implementation

Autores: Fábio Martinho Cardoso, Sergio Matos, Luis M. Pessoa, Antonio Clemente, Jorge R. Costa, Carlos A. Fernandes, João M. Felicio
Publicado en: European Conference on Antennas and Propagation (EuCAP 2024), 2024, ISSN 2164-3342
Editor: IEEE
DOI: 10.23919/EuCAP60739.2024.10501608

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

Autores: Zhongliang Lu, Changjiang Zha, Qi Luo, Baiqing Tang, Yuanming Cai
Publicado en: 2025 19th European Conference on Antennas and Propagation (EuCAP), 2025
Editor: IEEE
DOI: 10.23919/EUCAP63536.2025.10999336

Ultra-Wideband Metasurface at SubTHz: Hardware Design and Reflection Optimization

Autores: Q. Luo, G. C. Alexandropoulos, Y. Zhou and X. Ma
Publicado en: European Conference on Antennas and Propagation (EuCAP 2023), 2023, ISSN 2164-3342
Editor: IEEE
DOI: 10.23919/EuCAP57121.2023.10133193

Dual-Band Unit Cell for Electronically Reconfigurable Reflectarrays at mmWave

Autores: Moufida Bouslama, Antonio Clemente
Publicado en: 2024 IEEE International Symposium on Antennas and Propagation and INC/USNC‐URSI Radio Science Meeting (AP-S/INC-USNC-URSI), 2024, ISSN 1947-1491
Editor: IEEE
DOI: 10.1109/AP-S/INC-USNC-URSI52054.2024.10686317

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

Autores: Georg Jensen, Bo Kum Jung, Qi Luo, Thomas Kürner
Publicado en: 2025 19th European Conference on Antennas and Propagation (EuCAP), 2025
Editor: IEEE
DOI: 10.23919/EUCAP63536.2025.10999650

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

Autores: B. Ouardi, R. Sauleau, and A. Clemente
Publicado en: ICEAA 2024, 2024, ISSN 2766-2284
Editor: IEEE
DOI: 10.1109/ICEAA61917.2024.10701638

Automatic Planning Algorithm of 300 GHz Backhaul Links Using Mesh Topology

Autores: Y. Liu, B. K. Jung, and T. Kürner
Publicado en: European Conference on Antennas and Propagation (EuCAP 2024), 2024, ISSN 2164-3342
Editor: IEEE
DOI: 10.23919/EuCAP60739.2024.10501317

On the Comparison of THz X-Haul Links using Generic Rain Cloud Movement

Autores: B.K. Jung, T. Kürner
Publicado en: 2024 4th URSI Atlantic Radio Science Meeting (AT-RASC), 2024
Editor: IEEE
DOI: 10.46620/URSIATRASC24/KBUS2823

Dual Dielectric Metasurface for Simultaneous Sensing and Reconfigurable Reflections

Autores: Mahesh Birari, Deepak Singh Nagarkoti, Anestis Katsounaros, Hruday Kumar Reddy Mudireddy, Jagannath Malik, George C. Alexandropoulos
Publicado en: 2025 19th European Conference on Antennas and Propagation (EuCAP), 2025
Editor: IEEE
DOI: 10.48550/ARXIV.2501.14042

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

Autores: Tiago E. S. Oliveira; João R. Reis; Iñigo Cuiñas; Rafael F. S. Caldeirinha
Publicado en: ICEAA 2024, 2024, ISSN 2766-2284
Editor: IEEE
DOI: 10.1109/ICEAA61917.2024.10701781

Reflecting Intelligent Surfaces Assisted High-Rank Ultra Massive MIMO Terahertz Channels

Autores: C. Sheemar, S. Solanki, W. Khan, Z. Abdullah, E. Lagunas, S. Chatzinotas
Publicado en: Wireless Communications and Networking Conference (WCNC) workshops, 2024, ISSN 1558-2612
Editor: IEEE
DOI: 10.1109/WCNC57260.2024.10571260

Initial Study of a Sub-THz Reconfigurable Reflector Using Actuated Liquid Metal Droplet

Autores: Di Kong, Duy Tung Phan, Jaakko Palosaari, Jari Juuti, Aarno Pärssinen, Ping Jack Soh
Publicado en: 2024 IEEE International Symposium on Antennas and Propagation and ITNC-USNC-URSI Radio Science Meeting, 2024, ISSN 1947-1491
Editor: IEEE
DOI: 10.1109/AP-S/INC-USNC-URSI52054.2024.10685964

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

Autores: Bo Kum Jung, Varvara V. Elesina, Sergio Matos, Orestis Koutsos, Antonio Clemente, Thomas Kurner, Raffaele D'Errico
Publicado en: 2025 19th European Conference on Antennas and Propagation (EuCAP), 2025
Editor: IEEE
DOI: 10.23919/EUCAP63536.2025.10999961

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

Autores: Marie Defives, Ronan Sauleau, Orestis Koutsos, Mathieu Caillet, Antonio Clemente
Publicado en: 2025 19th European Conference on Antennas and Propagation (EuCAP), 2025
Editor: IEEE
DOI: 10.23919/EUCAP63536.2025.10999806

Full Duplex Holographic MIMO for Near-Field Integrated Sensing and Communications

Autores: I. Gavras, M. A. Islam, B. Smida and G. C. Alexandropoulos
Publicado en: European Signal Processing Conference (EUSIPCO), 2023, ISSN 2076-1465
Editor: IEEE
DOI: 10.23919/EUSIPCO58844.2023.10289894

On the Requirements on Reflective Intelligent Surfaces in THz NLOS Backhaul Links

Autores: Thomas Kürner, Bo Kum Jung, Christoph Herold
Publicado en: XXXVth URSI General Assembly and Scientific Symposium, 2023
Editor: IEEE
DOI: 10.46620/URSIGASS.2023.2288.FKNW9115

Near-Field Localization with 1-bit Quantized Hybrid A/D Reception

Autores: I. Gavras, I. Atzeni, and G. C. Alexandropoulos
Publicado en: International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2024), 2024, ISSN 2379-190X
Editor: IEEE
DOI: 10.48550/arXiv.2401.12029

Simultaneous Communications and Sensing with Hybrid Reconfigurable Intelligent Surfaces

Autores: Ioannis Gavras, George C. Alexandropoulos
Publicado en: 2025 19th European Conference on Antennas and Propagation (EuCAP), 2025
Editor: IEEE
DOI: 10.48550/ARXIV.2410.15836

Full-Duplex-Enabled Joint Communications and Sensing with Reconfigurable Intelligent Surfaces

Autores: C. K. Sheemar, G. C. Alexandropoulos, D. Slock, J. Querol and S. Chatzinotas
Publicado en: European Signal Processing Conference (EUSIPCO), 2023, ISSN 2076-1465
Editor: IEEE
DOI: 10.48550/arxiv.2306.10865

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

Autores: Yihan Ma, Qi Luo, Yonggang Zhou, Guangwei Yang
Publicado en: 2025 19th European Conference on Antennas and Propagation (EuCAP), 2025
Editor: IEEE
DOI: 10.23919/EUCAP63536.2025.10999315

Scalability Analysis of Reflective Intelligent Surfaces at THz Frequencies

Autores: J.A. Vasquez-Peralvo, P. N. Vummadisetty, S. Chatzinotas
Publicado en: IEEE APS 2024, 2024, ISSN 1947-1491
Editor: IEEE
DOI: 10.1109/AP-S/INC-USNC-URSI52054.2024.10686964

NBA-OMP: Near-Field Beam-Split-Aware Orthogonal Matching Pursuit for Wideband THz Channel Estimation

Autores: Ahmet M. Elbir, Kumar Vijay Mishra, Symeon Chatzinotas
Publicado en: ICASSP 2023 - 2023 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2023, ISSN 2379-190X
Editor: IEEE
DOI: 10.1109/ICASSP49357.2023.10097141

Numerical tool for the analysis and synthesis of transmitarrays in Fresnel region

Autores: M. Defives, R. Sauleau, and A. Clemente
Publicado en: IEEE APS 2024, 2024, ISSN 1947-1491
Editor: IEEE
DOI: 10.1109/AP-S/INC-USNC-URSI52054.2024.10685999

Reconfigurable Intelligent Surfaces for THz: Hardware Design and Signal Processing Challenges

Autores: Luis M. Pessoa, George C. Alexandropoulos, Antonio Clemente, Sérgio Matos, Ryan Husbands, Sean Ahearne, Qi Luo, Veronica Lain-Rubio, Thomas Kürner
Publicado en: European Conference on Antennas and Propagation (EuCAP 2024), 2024, ISSN 2164-3342
Editor: IEEE
DOI: 10.48550/arXiv.2403.07889

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

Autores: Awanish Kumar, Jose Luis Gonzalez-Jimenez, Luca Lucci, Alexandre Siligaris, Antonio Clemente
Publicado en: 2025 19th European Conference on Antennas and Propagation (EuCAP), 2025
Editor: IEEE
DOI: 10.23919/EUCAP63536.2025.10999498

Metasurface-based receivers with 1-bit ADCs for multi-user uplink communications

Autores: P. Gavriilidis, I. Atzeni, and G. C. Alexandropoulos
Publicado en: International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2024), 2024, ISSN 2379-190X
Editor: IEEE
DOI: 10.48550/arXiv.2401.07988

1-Bit SubTHz RIS with Planar Tightly Coupled Dipoles: Beam Shaping and Prototypes

Autores: Xianjun Ma; Yonggang Zhou; Qi Luo; Yihan Ma; Kyriakos Stylianopoulos; George C. Alexandropoulos
Publicado en: European Conference on Antennas and Propagation (EuCAP 2024), 2024, ISSN 2164-3342
Editor: IEEE
DOI: 10.48550/arXiv.2402.08445

Performance Analysis of THz Backhaul Links Assisted by Reconfigurable Intelligent Surfaces

Autores: B. K. Jung and T. Kürner
Publicado en: European Conference on Antennas and Propagation (EuCAP 2024), 2024, ISSN 2164-3342
Editor: IEEE
DOI: 10.23919/EuCAP60739.2024.10501169

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

Autores: Aral Ertug Zorkun, Juan Andres Vasquez Peralvo, Praveen Naidu Vummadisetty, Symeon Chatzinotas
Publicado en: 2024 International Symposium on Antennas and Propagation (ISAP), 2025
Editor: IEEE
DOI: 10.1109/ISAP62502.2024.10846175

CMOS Compatible 200 mm GaN-on-Si HEMTs for RF Switch Applications with 36 dBm CW Power Handling and 200 FS RonCoff

Autores: 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, E. Morvan
Publicado en: 2024 IEEE International Electron Devices Meeting (IEDM), 2025
Editor: IEEE
DOI: 10.1109/IEDM50854.2024.10872999

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

Autores: Ioannis Gavras, George C. Alexandropoulos
Publicado en: IEEE SPAWC, 2024, ISSN 1948-3252
Editor: IEEE
DOI: 10.48550/arXiv.2407.18168

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

Autores: Bo Kum Jung, Johannes M. Eckhardt, Varvara V. Elesina, Thomas Kürner
Publicado en: 2025 19th European Conference on Antennas and Propagation (EuCAP), 2025
Editor: IEEE
DOI: 10.23919/EUCAP63536.2025.10999320

Channel Measurements Involving Passive RIS at 300 GHz

Autores: Lorenz H. W. Loeser, Sérgio Matos, Thomas Kürner
Publicado en: 2025 19th European Conference on Antennas and Propagation (EuCAP), 2025
Editor: IEEE
DOI: 10.23919/EUCAP63536.2025.10999543

Concept paper on novel radio frequency resistive switches

Autores: Asal Kiazadeh, Jonas Deuermeier, Emanuel Carlos, Rodrigo Martins, Sergio Matos, Fabio Martinho Cardoso, and Luis Manuel Pessoa
Publicado en: NANOARCH '23: Proceedings of the 18th ACM International Symposium on Nanoscale Architectures, 2024
Editor: Association for Computing Machinery
DOI: 10.1145/3611315.3633267

Towards a Heuristic Path Loss Model for RIS Links

Autores: Lorenz H. W. Loeser, Thomas Kürner
Publicado en: Proceedings of the 2025 International Symposium on Electromagnetic Theory - URSI EMTS 2025, 2025
Editor: URSI - International Union of Radio Science
DOI: 10.46620/URSIEMTS25/SKHF6427

Sub-THz Spatially Modulated Beam Splitting Reflectors for Potential RIS Implementations

Autores: Tung Duy Phan, Jaakko Palosaari, Di Kong, Tuomo Siponkosk, Sami Myllymaki, Marko E Leinonen, Aarno Pärssinen, Jari Juuti, Ping Jack Soh
Publicado en: European Conference on Antennas and Propagation (EuCAP 2024), 2024, ISSN 2164-3342
Editor: IEEE
DOI: 10.23919/EuCAP60739.2024.10501537

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

Autores: Sanaâ Finich, Mohamed Elsaid, Sofia I. Inacio, Henrique. M. Salgado, Luís. M. Pessoa
Publicado en: 2025 19th European Conference on Antennas and Propagation (EuCAP), 2025
Editor: IEEE
DOI: 10.23919/EUCAP63536.2025.10999396

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

Autores: Tiago E. S. Oliveira, João R. Reis, Iñigo Cuiñas, Rafael F. S. Caldeirinha
Publicado en: 2025 19th European Conference on Antennas and Propagation (EuCAP), 2025
Editor: IEEE
DOI: 10.23919/EUCAP63536.2025.10999398

THz Communications on the Way towards its Application on 6G (Invited Plenary Talk)

Autores: Thomas Kürner
Publicado en: International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2023, ISSN 2162-2035
Editor: IEEE
DOI: 10.1109/IRMMW-THz57677.2023.10299324

Channel Modeling and Multi-User Precoding for Tri-Polarized Holographic MIMO Communications

Autores: L. Wei, C. Huang, G.C. Alexandropoulos, Z. Yang, J. Yang, EI Wei, M. Debbah, C. Yuen
Publicado en: IEEE International Conference on Communications, 2023, ISSN 1938-1883
Editor: IEEE
DOI: 10.48550/arxiv.2302.05337

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

Autores: Zohreh Ebadi, Amir Masoud Molaei, George C. Alexandropoulos, Muhammad Ali Babar Abbasi, Simon Cotton, Anvar Tukmanov, Okan Yurduseven
Publicado en: 2025 19th European Conference on Antennas and Propagation (EuCAP), 2025
Editor: IEEE
DOI: 10.23919/EUCAP63536.2025.10999349

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

Autores: Mohamed Elsaid; Sofia I. Inácio; Henrique M. Salgado; Luís M. Pessoa
Publicado en: ICEAA 2024, 2024, ISSN 2766-2284
Editor: IEEE
DOI: 10.1109/ICEAA61917.2024.10701868

Joint near-field target tracking and communications with full duplex holographic MIMO

Autores: I. Gavras and G. C. Alexandropoulos
Publicado en: International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2024), 2024, ISSN 2379-190X
Editor: IEEE
DOI: 10.48550/arXiv.2401.12036

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

Autores: K. Stylianopoulos, P. Gavriilidis, G. C. Alexandropoulos
Publicado en: IEEE SPAWC, 2024, ISSN 1948-3252
Editor: IEEE
DOI: 10.48550/arXiv.2407.13510

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

Autores: Mario R. Camana, Zaid Abdullah, Carla E. Garcia, Eva Lagunas, Symeon Chatzinotas
Publicado en: 2025 IEEE Wireless Communications and Networking Conference (WCNC), 2025
Editor: IEEE
DOI: 10.1109/WCNC61545.2025.10978785

Near-field Focusing with Transmitarrays: Impact of Phase Quantization

Autores: M. Defives, R. Sauleau, M. Arrebola and A. Clemente
Publicado en: International Conference on Electromagnetics in Advanced Applications, 2023, ISSN 2766-2284
Editor: IEEE
DOI: 10.1109/ICEAA57318.2023.10297664

A Deep Learning Approach in RIS-based Indoor Localization

Autores: Rafael A. Aguiar, Nuno Paulino, Luís M. Pessoa
Publicado en: 2024 Joint European Conference on Networks and Communications & 6G Summit (EuCNC/6G Summit), 2024, ISSN 2575-4912
Editor: IEEE
DOI: 10.48550/arXiv.2405.01965

A Gradient Descent Method for Phase Only Pattern synthesis of Irregular Subarray

Autores: Yihan Ma, Qi Luo, Guangwei Yang
Publicado en: 2024 International Applied Computational Electromagnetics Society Symposium (ACES-China), 2024, ISBN 979-8-3503-5558-1
Editor: IEEE
DOI: 10.1109/ACES-China62474.2024.10699638

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

Autores: Fabio Cardoso, Sérgio Matos, Luís M. Pessoa, George C. Alexandropoulos
Publicado en: 2025 19th European Conference on Antennas and Propagation (EuCAP), 2025
Editor: IEEE
DOI: 10.48550/ARXIV.2501.12752

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

Autores: Mohamed Elsaid, Sanaa Finich, Henrique M. Salgado, Luis M. Pessoa
Publicado en: 2025 19th European Conference on Antennas and Propagation (EuCAP), 2025
Editor: IEEE
DOI: 10.23919/EUCAP63536.2025.10999338

Adaptive Polynomial Chaos Expansion for Uncertainty Quantification of SubTHz Horn Antennas with Flat-Top Radiation Patterns

Autores: Aristeides D Papadopoulos; Yihan Ma; Qi Luo; George C. Alexandropoulos
Publicado en: European Conference on Antennas and Propagation (EuCAP 2024), 2024, ISSN 2164-3342
Editor: IEEE
DOI: 10.48550/arXiv.2404.04542

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

Autores: Sofia I. Inácio, Yihan Ma, Qi Luo, Luca Lucci, Awanish Kumar, José Luis Gonzalez Jimenez, Bruno Reig, Alexandre Siligaris, Denis Mercier, Jonas Deuermeier, Asal Kiazadeh, Verónica Lain-Rubio, Oleg Cojocari, Tung D. Phan, Ping Jack Soh, Sérgio Matos, George C. Alexandropoulos, Luís M. Pessoa, Antonio Clemente
Publicado en: 2025 Joint European Conference on Networks and Communications &amp; 6G Summit (EuCNC/6G Summit), 2025
Editor: IEEE
DOI: 10.48550/ARXIV.2504.20175

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

Autores: J.L. González-Jiménez, A. Hamani, A. Siligaris, F. Foglia Manzillo, A. Clemente, E. Pikasis, D. S. Kritharidis, E. D. Tsirbas, and E. C. Loghis
Publicado en: European Microwave Conference (EuMC 2024), 2024, ISBN 9782874870774
Editor: IEEE
DOI: 10.23919/EUMC61614.2024.10732609

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

Autores: Bilal Ouardi, Ronan Sauleau, Antonio Clemente
Publicado en: 2025 19th European Conference on Antennas and Propagation (EuCAP), 2025
Editor: IEEE
DOI: 10.23919/EUCAP63536.2025.10999744

Irregular Subarray with Gathered Elements for Sidelobe Suppression

Autores: Yihan Ma; Qi Luo; Wei Liu; Steven Gao
Publicado en: European Conference on Antennas and Propagation (EuCAP 2024), 2024, ISSN 2164-3342
Editor: IEEE
DOI: 10.23919/EuCAP60739.2024.10501492

Near-Field Multipath MIMO Channel Model for Imperfect Surface Reflection

Autores: Mohamadreza Delbari, George C. Alexandropoulos, Robert Schober, H. Vincent Poor, Vahid Jamali
Publicado en: 2024 IEEE Globecom Workshops (GC Wkshps), 2025
Editor: IEEE
DOI: 10.48550/ARXIV.2409.17041

Leaky Waveguide Antennas for Downlink Wideband THz Communications

Autores: Gabay, Yaela; Shlezinger, Nir; Routtenberg, Tirza; Ghasempour, Yasaman; Alexandropoulos, George C.; Eldar, Yonina C.
Publicado en: International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2024), 2024, ISSN 2379-190X
Editor: IEEE
DOI: 10.48550/arXiv.2312.08833

Near-field channel modeling for holographic MIMO communications

Autores: T. Gong, L. Wei, C. Huang, G. C. Alexandropoulos, M. Debbah, and C. Yuen
Publicado en: Wireless Communications Magazine, 2024, ISSN 1536-1284
Editor: IEEE
DOI: 10.1109/MWC.005.2300457

Terahertz-Band Direction Finding With Beam-Split and Mutual Coupling Calibration

Autores: A. M. Elbir, K. V. Mishra and S. Chatzinotas
Publicado en: Antennas and Wireless Propagation Letters, 2023, ISSN 1536-1225
Editor: IEEE
DOI: 10.48550/arXiv.2309.03195

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

Autores: A. L. Moustakas and G. C. Alexandropoulos
Publicado en: Transactions on Wireless Communications, 2024, ISSN 1536-1276
Editor: IEEE
DOI: 10.48550/arXiv.2410.07389

Near-Field Wideband Extremely Large-Scale MIMO Transmissions With Holographic Metasurface-Based Antenna Arrays

Autores: Jie Xu, Li You, George C. Alexandropoulos, Xinping Yi, Wenjin Wang, Xiqi Gao
Publicado en: IEEE Transactions on Wireless Communications, Edición 23, 2024, ISSN 1536-1276
Editor: Institute of Electrical and Electronics Engineers (IEEE)
DOI: 10.1109/TWC.2024.3387709

Near-Field Terahertz Communications: Model-Based and Model-Free Channel Estimation

Autores: A. M. Elbir, W. Shi, A. K. Papazafeiropoulos, P. Kourtessis and S. Chatzinotas
Publicado en: IEEE Access, 2023, ISSN 2169-3536
Editor: IEEE
DOI: 10.48550/arXiv.2302.04802

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

Autores: Ruiqi Liu, Shuang Zheng, Qingqing Wu, Yifan Jiang, Nan Zhang, Yuanwei Liu, Marco Di Renzo, George C. Alexandropoulos
Publicado en: IEEE Communications Standards Magazine, 2025, ISSN 2471-2825
Editor: Institute of Electrical and Electronics Engineers (IEEE)
DOI: 10.48550/ARXIV.2406.05647

Reconfigurable Intelligent Surfaces for 6G: Emerging Hardware Architectures, Applications, and Open Challenges

Autores: Ertugrul Basar, George C. Alexandropoulos, Yuanwei Liu, Qingqing Wu, Shi Jin, Chau Yuen, Octavia A. Dobre, and Robert Schober
Publicado en: Vehicular Technology Magazine, 2024, ISSN 1556-6072
Editor: IEEE
DOI: 10.1109/MVT.2024.3415570

Low-Temperature Solution-Based Molybdenum Oxide Memristors

Autores: Raquel Azevedo Martins; Emanuel Carlos; Asal Kiazadeh; Rodrigo Martins; Jonas Deuermeier
Publicado en: ACS Applied Engineering Materials, 2024, ISSN 2771-9545
Editor: AmericanChemicalSociety
DOI: 10.1021/acsaenm.3c00535

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

Autores: C. K. Sheemar, S. Chatzinotas, D. Slock, E. Lagunas and J. Querol
Publicado en: Transactions on Vehicular Technology, 2024, ISSN 1939-9359
Editor: IEEE
DOI: 10.48550/arXiv.2112.02335

Holographic MIMO Communications: Theoretical Foundations, Enabling Technologies, and Future Directions

Autores: Gong, Tierui and Gavriilidis, Panagiotis and Ji, Ran and Huang, Chongwen and Alexandropoulos, George C. and Wei, Li and Zhang, Zhaoyang and Debbah, Mérouane and Poor, H. Vincent and Yuen, Chau
Publicado en: IEEE Communications Surveys & Tutorials, 2023, ISSN 1553-877X
Editor: IEEE
DOI: 10.48550/ARXIV.2212.01257

Max-Min SINR Analysis of STAR-RIS Assisted Massive MIMO Systems with Hardware Impairments

Autores: A. Papazafeiropoulos, P. Kourtessis and S. Chatzinotas
Publicado en: IEEE Transactions on Wireless Communications, 2023, ISSN 1558-2248
Editor: IEEE
DOI: 10.1109/TWC.2023.3316707

Joint 3D user and 6D hybrid reconfigurable intelligent surface localization

Autores: R. Ghazalian, G. C. Alexandropoulos, G. Seco-Granados, H. Wymeersch, and R. Jäntti
Publicado en: Transactions on Vehicular Technology, 2024, ISSN 0018-9545
Editor: IEEE
DOI: 10.48550/arXiv.2401.03852

Design of a binary programmable transmitarray based on phase change material for beam steering applications in D-Band

Autores: S. Gharbieh, J. Milbrandt, B. Reig, D. Mercier, M. Allain, and A. Clemente
Publicado en: Scientific Reports , 2024, ISSN 2045-2322
Editor: Springer Nature
DOI: 10.1038/s41598-024-53150-9

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

Autores: George Stamatelis, Kyriakos Stylianopoulos, George C. Alexandropoulos
Publicado en: IEEE Transactions on Cognitive Communications and Networking, 2025, ISSN 2332-7731
Editor: Institute of Electrical and Electronics Engineers (IEEE)
DOI: 10.48550/ARXIV.2409.01765

Multi-RIS-Empowered Multiple Access: A Distributed Sum-Rate Maximization Approach

Autores: K. D. Katsanos, P. D. Lorenzo and G. C. Alexandropoulos
Publicado en: Journal of Selected Topics in Signal Processing, 2024, ISSN 1932-4553
Editor: IEEE
DOI: 10.1109/JSTSP.2024.3455102

Deep Learning Enables Multifunctional Metasurfaces Design With Mutual Coupling Estimation

Autores: Yihan Ma, Qi Luo, Cheng Zhang, Guangwei Yang
Publicado en: IEEE Transactions on Antennas and Propagation, Edición 72, 2024, ISSN 0018-926X
Editor: Institute of Electrical and Electronics Engineers (IEEE)
DOI: 10.1109/TAP.2024.3443151

Toward the Metaverse Realization in 6G: Orchestration of RIS-Enabled Smart Wireless Environments via Digital Twins

Autores: A. Masaracchia, D. V. Huynh, G. C. Alexandropoulos, B. Canberk, O. A. Dobre, and T. Q. Duong
Publicado en: Internet of Things Magazine, 2024, ISSN 2576-3180
Editor: IEEE
DOI: 10.1109/IOTM.001.2300128

Minimum Mean Squared Error Holographic Beamforming for Sum-Rate Maximization

Autores: Chandan Kumar Sheemar, Wali Ullah Khan, George C. Alexandropoulos, Manzoor Ahmed, Symeon Chatzinotas
Publicado en: IEEE Wireless Communications Letters, 2025, ISSN 2162-2337
Editor: Institute of Electrical and Electronics Engineers (IEEE)
DOI: 10.48550/ARXIV.2503.17205

Terahertz-Band Channel and Beam Split Estimation via Array Perturbation Model

Autores: A. M. Elbir, W. Shi, A. K. Papazafeiropoulos, P. Kourtessis and S. Chatzinotas
Publicado en: Open Journal of the Communications Society, 2023, ISSN 2644-125X
Editor: IEEE
DOI: 10.48550/arXiv.2208.03683

Metasurface Energy Harvesters: State-of-the-Art Designs and Their Potential for Energy Sustainable Reconfigurable Intelligent Surfaces

Autores: A. Ghaneizadeh, P. Gavriilidis, M. Joodaki and G. C. Alexandropoulos
Publicado en: IEEE Access, 2024, ISSN 2169-3536
Editor: IEEE
DOI: 10.1109/ACCESS.2024.3467702

Control Plane for Reconfigurable Intelligent Surfaces

Autores: F. Saggese, V. Croisfelt, K. Stylianopoulos, G. C. Alexandropoulos and P. Popovski
Publicado en: Communications Standards Magazine, 2024, ISSN 2471-2825
Editor: IEEE
DOI: 10.1109/MCOMSTD.0001.2400028

Near-Field Beam Tracking With Extremely Large Dynamic Metasurface Antennas

Autores: Panagiotis Gavriilidis, George C. Alexandropoulos
Publicado en: IEEE Transactions on Wireless Communications, Edición 24, 2025, ISSN 1536-1276
Editor: Institute of Electrical and Electronics Engineers (IEEE)
DOI: 10.48550/ARXIV.2406.01488

Full-Duplex Wireless for 6G: Progress Brings New Opportunities and Challenges

Autores: B. Smida, A. Sabharwal, G. Fodor, G. C. Alexandropoulos, H. A. Suraweera and C. -B. Chae
Publicado en: IEEE Journal on Selected Areas in Communications, 2023, ISSN 1558-0008
Editor: IEEE
DOI: 10.48550/arxiv.2304.08789

An Energy-Efficient 56-Gb/s D -Band TX-to-RX Link Using CMOS ICs and Transmitarray Antennas

Autores: J. L. Gonzalez-Jimenez; A. Siligaris; A. Hamani; F. Foglia Manzillo; P. Courouve; N. Cassiau; C. Dehos; A. Clemente
Publicado en: Microwave and Wireless Technology Letters, 2024, ISSN 2771-9588
Editor: IEEE
DOI: 10.1109/LMWT.2024.3395905

Hybrid reconfigurable intelligent metasurfaces: Enabling simultaneous tunable reflections and sensing for 6G wireless communications

Autores: G. C. Alexandropoulos, N. Shlezinger, I. Alamzadeh, M. F. Imani, H. Zhang, and Y. C. Eldar
Publicado en: Vehicular Technology Magazine, 2023, ISSN 1556-6072
Editor: Institute of Electrical and Electronics Engineers
DOI: 10.1109/MVT.2023.3332580

Terahertz-Band Integrated Sensing and Communications: Challenges and Opportunities

Autores: A. M. Elbir, K. V. Mishra, S. Chatzinotas and M. Bennis
Publicado en: Aerospace and Electronic Systems Magazine, 2024, ISSN 0885-8985
Editor: IEEE
DOI: 10.48550/arXiv.2208.01235

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

Autores: Yihan Ma, Yibing Guo, Qi Luo, Yonggang Zhou, Guangwei Yang, Steven Gao
Publicado en: IEEE Transactions on Antennas and Propagation, Edición 73, 2025, ISSN 0018-926X
Editor: Institute of Electrical and Electronics Engineers (IEEE)
DOI: 10.1109/TAP.2025.3567185

Active Reconfigurable Intelligent Surfaces: Circuit Modeling and Reflection Amplification Optimization

Autores: Panagiotis Gavriilidis, Deepak Mishra, Besma Smida, Ertugrul Basar, Chau Yuen, George C. Alexandropoulos
Publicado en: IEEE Open Journal of the Communications Society, Edición 6, 2025, ISSN 2644-125X
Editor: Institute of Electrical and Electronics Engineers (IEEE)
DOI: 10.48550/ARXIV.2503.24093

A Simplified Method for Designing Highly-Efficient Reflective Metasurfaces with Wide Steering Angles

Autores: Di Kong, Duy Tung Phan, Jaakko Palosaari, Jari Juuti, Aarno Pärssinen, Ping Jack Soh
Publicado en: Antennas and Propagation Letters, 2024, ISSN 1536-1225
Editor: Institute of Electrical and Electronics Engineers
DOI: 10.1109/LAWP.2024.3439328

Tri-Polarized Holographic MIMO Surfaces for Near-Field Communications: Channel Modeling and Precoding Design

Autores: L. Wei, C. Huang, G.C. Alexandropoulos, Z. Yang, J. Yang, EI Wei, Z. Zhang, M. Debbah, C Yuen
Publicado en: IEEE Transactions on Wireless Communications, 2023, ISSN 1558-2248
Editor: IEEE
DOI: 10.1109/TWC.2023.3266298

Integrated Sensing and Communications With Reconfigurable Intelligent Surfaces: From signal modeling to processing

Autores: Sundeep Prabhakar Chepuri; Nir Shlezinger; Fan Liu; George C. Alexandropoulos; Stefano Buzzi; Yonina C. Eldar
Publicado en: Signal Processing Magazine, 2023, ISSN 1053-5888
Editor: IEEE
DOI: 10.48550/arXiv.2211.01003

Printed Zinc Tin Oxide Memristors for Reservoir Computing

Autores: Raquel Azevedo Martins, Carlos Silva, Jonas Deuermeier, Gianluca Milano, Mateo Rosero‐Realpe, Carolina Parreira, Elvira Fortunato, Rodrigo Martins, Asal Kiazadeh, Emanuel Carlos
Publicado en: Advanced Intelligent Systems, 2025, ISSN 2640-4567
Editor: Wiley
DOI: 10.1002/AISY.202500450

Generalized Risley Prism for Beam-Steering Transmit Arrays With Reduced Grating Lobes

Autores: Sérgio A. Matos; Nelson J. G. Fonseca; João C. Serra; João M. Felício; Jorge R. Costa; Carlos A. Fernandes
Publicado en: Transactions on Antennas and Propagation, 2023, ISSN 0018-926X
Editor: IEEE
DOI: 10.1109/TAP.2023.3313230

Cooperative Backscatter Communications With Reconfigurable Intelligent Surfaces: An APSK Approach

Autores: Qiang Li, Yehuai Feng, Miaowen Wen, Jinming Wen, George C. Alexandropoulos, Ertugrul Basar, H. Vincent Poor
Publicado en: IEEE Transactions on Wireless Communications, Edición 23, 2024, ISSN 1536-1276
Editor: Institute of Electrical and Electronics Engineers (IEEE)
DOI: 10.1109/TWC.2024.3438874

Perspective: Zinc-Tin Oxide based Memristors for Sustainable and Flexible In-memory computing edge devices

Autores: Carlos Silva, Jonas Deuermeier, Weidong Zhang, Emanuel Carlos, Pedro Barquinha, Rodrigo Martins, Asal Kiazadeh
Publicado en: Advanced Electronic Materials, 2023, ISSN 2199-160X
Editor: Wiley
DOI: 10.1002/aelm.202300286

BSA-OMP- Beam-Split-Aware Orthogonal Matching Pursuit for THz Channel Estimation

Autores: A. M. Elbir and S. Chatzinotas
Publicado en: Wireless Communications Letters, 2023, ISSN 2162-2337
Editor: IEEE
DOI: 10.48550/arXiv.2302.02332

Inkjet printed IGZO memristors with volatile and non-volatile switching

Autores: Miguel Franco, Asal Kiazadeh, Jonas Deuermeier, S. Lanceros-Méndez, Rodrigo Martins & Emanuel Carlos
Publicado en: Scientific Reports , 2024, ISSN 2045-2322
Editor: Springer Nature
DOI: 10.1038/S41598-024-58228-Y

Indexed multiple access with reconfigurable intelligent surfaces: The reflection tuning potential

Autores: R. Singh, A. Kaushik, W. Shin, G. C. Alexandropoulos, M. Toka, and M. Di Renzo
Publicado en: Communications Magazine, 2023, ISSN 0163-6804
Editor: IEEE
DOI: 10.48550/arXiv.2302.07476

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

Autores: Ioannis Gavras, George C. Alexandropoulos
Publicado en: IEEE Wireless Communications Letters, Edición 14, 2025, ISSN 2162-2337
Editor: Institute of Electrical and Electronics Engineers (IEEE)
DOI: 10.48550/ARXIV.2502.16647

Stacked Intelligent Metasurfaces for Efficient Holographic MIMO Communications in 6G

Autores: J. An, C. Xu, DWK Ng, G.C. Alexandropoulos, C. Huang, C. Yuen, L. Hanzo
Publicado en: IEEE Journal on Selected Areas in Communications, 2023, ISSN 1558-0008
Editor: IEEE
DOI: 10.48550/arxiv.2305.08079

Unlocking Neuromorphic Vision: Advancements in IGZO-Based Optoelectronic Memristors with Visible Range Sensitivity

Autores: Maria Elias Pereira, Jonas Deuermeier, Rodrigo Martins, Pedro Barquinha, and Asal Kiazadeh
Publicado en: Applied Electronic Materials, 2024, ISSN 2637-6113
Editor: American Chemical Society
DOI: 10.1021/acsaelm.4c00752

Wideband sub-THz Reconfigurable Intelligent Surface Using Planar Tightly Coupled Dipoles

Autores: Yonggang Zhou; Xianjun Ma; Qi Luo; Yihan Ma; George C. Alexandropoulos; Xinyu Yang
Publicado en: Antennas and Wireless Propagation Letters, 2024, ISSN 1536-1225
Editor: Institute of Electrical and Electronics Engineers
DOI: 10.1109/LAWP.2024.3439020

On the Tacit Linearity Assumption in Common Cascaded Models of RIS-Parametrized Wireless Channels

Autores: Antonin Rabault, Luc Le Magoarou, Jérôme Sol, George C. Alexandropoulos, Nir Shlezinger, H. Vincent Poor, Philipp del Hougne
Publicado en: Transactions on Wireless Communications, 2024, ISSN 1536-1276
Editor: IEEE
DOI: 10.48550/arXiv.2302.04993

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

Autores: Zohreh Ebadi, Amir Masoud Molaei, George C. Alexandropoulos, Muhammad Ali Babar Abbasi, Simon Cotton, Anvar Tukmanov, Okan Yurduseven
Publicado en: Transactions on Vehicular Technology, 2025, ISSN 0018-9545
Editor: IEEE
DOI: 10.48550/ARXIV.2408.07202

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

Autores: 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
Publicado en: IEEE Vehicular Technology Magazine, 2025, ISSN 1556-6072
Editor: Institute of Electrical and Electronics Engineers (IEEE)
DOI: 10.48550/ARXIV.2412.07359

Recent progress in optoelectronic memristors for neuromorphic and in-memory computation

Autores: Maria Elias Pereira, Rodrigo Martins, Elvira Fortunato, Pedro Barquinha and Asal Kiazadeh
Publicado en: Neuromorphic Computing and Engineering, 2023, ISSN 2634-4386
Editor: IOP Publishing
DOI: 10.1088/2634-4386/acd4e2

Printed Memristors: An Overview of Ink, Materials, Deposition Techniques, and Applications

Autores: Miguel Franco, Asal Kiazadeh, Rodrigo Martins, Senentxu Lanceros-Méndez, Emanuel Carlos
Publicado en: Advanced Electronic Materials, 2024, ISSN 2199-160X
Editor: Wiley
DOI: 10.1002/aelm.202400212

Anomalous and specular reflections of reconfigurable intelligent surfaces: configuration strategies and system performances

Autores: M. Merluzzi and A. Clemente
Publicado en: Wireless Communications Letters, 2024, ISSN 2162-2337
Editor: IEEE
DOI: 10.1109/LWC.2024.3441933

RIS-Enabled and Access-Point-Free Simultaneous Radio Localization and Mapping

Autores: Kim H, Chen H, Keskin MF, Ge Y, Keykhosravi K, Alexandropoulos GC, Kim S, Wymeersch H.
Publicado en: IEEE Transactions on Wireless Communications, 2023, ISSN 1558-2248
Editor: IEEE
DOI: 10.1109/TWC.2023.3307455

Time-Domain Channel Estimation for Extremely Large MIMO THz Communications with Beam Squint

Autores: George C. Alexandropoulos; Yonina C. Eldar; Aryan Kaushik; Evangelos Vlachos
Publicado en: IEEE Open Journal of the Communications Society, 2023
Editor: IEEE
DOI: 10.36227/techrxiv.24310423.v1

Near-Field Multipath MIMO Channel Model for Imperfect Surface Reflection

Autores: Mohamadreza Delbari, George C. Alexandropoulos, Robert Schober, H. Vincent Poor, Vahid Jamali
Publicado en: 2024
Editor: arXiv
DOI: 10.48550/arXiv.2409.17041

Sustainability in SNS JU Projects - Targets, Methodologies, Trade-offs and Implementation Considerations Towards 6G Systems

Autores: Rezaki, Ali; Trichias, Konstantinos; Mesodiakaki, Agapi; Gavras, Anastasius; Aseeva, Anna; Berardinelli, Gilberto; Osman, Hassan; Gutiérrez Terán, Jesús; Petersen, Katrina; Gramaglia, Marco; Katz, Marcos; Bezzi, Margot; Ghoraishi, Mir
Publicado en: 2025
Editor: Zenodo
DOI: 10.5281/ZENODO.15555292

Simultaneous Communications and Sensing with Hybrid Reconfigurable Intelligent Surfaces

Autores: Ioannis Gavras, George C. Alexandropoulos
Publicado en: 2024
Editor: arXiv
DOI: 10.48550/arXiv.2410.15836

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

Autores: George Stamatelis, Panagiotis Gavriilidis, Aymen Fakhreddine, George C. Alexandropoulos
Publicado en: 2024
Editor: arXiv
DOI: 10.48550/arXiv.2411.03237

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

Autores: Ioannis Gavras, George C. Alexandropoulos
Publicado en: 2024
Editor: arXiv
DOI: 10.48550/arXiv.2411.09362

Multi-Branch Attention Convolutional Neural Network for Online RIS Configuration with Discrete Responses: A Neuroevolution Approach

Autores: George Stamatelis, Kyriakos Stylianopoulos, George C. Alexandropoulos
Publicado en: 2024
Editor: arXiv
DOI: 10.48550/arXiv.2409.01765

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

Autores: 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
Publicado en: 2024
Editor: IEEE
DOI: 10.48550/arXiv.2412.07359

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

Autores: Trichias, Konstantinos; Christopoulou, Maria; Porambage, Pawani; Benzaid, Chafika; Vassiliou, Vasos; Artuñedo Guillén, David; Tsolkas, Dimitris; Avgeris, Marios; Papagianni, Chrysa; Jain, Akshay; Kilper, Daniel; Chen, Tao
Publicado en: 2025
Editor: Zenodo
DOI: 10.5281/ZENODO.14623106

Far- versus Near-Field RIS Modeling and Beam Design

Autores: M. Delbari, G. C. Alexandropoulos, R. Schober, and V. Jamali
Publicado en: 2024
Editor: Springer
DOI: 10.48550/ARXIV.2401.08237

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

Autores: Ahmet M. Elbir, Symeon Chatzinotas
Publicado en: 2025
Editor: Academic Press
DOI: 10.1016/B978-0-44-322143-9.00021-7

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