TERahertz ReconfigurAble METAsurfaces for ultra-high rate wireless communications

CORDIS oferuje możliwość skorzystania z odnośników do publicznie dostępnych publikacji i rezultatów projektów realizowanych w ramach programów ramowych HORYZONT.

Odnośniki do rezultatów i publikacji związanych z poszczególnymi projektami 7PR, a także odnośniki do niektórych konkretnych kategorii wyników, takich jak zbiory danych i oprogramowanie, są dynamicznie pobierane z systemu OpenAIRE .

Rezultaty

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.

Publikacje

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

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

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

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

Enhancing NLoS RIS-Aided Localization with Optimization and Machine Learning

Autorzy: Rafael A. Aguiar; Nuno Paulino; Luís M. Pessoa
Opublikowane w: 2023 IEEE Globecom Workshops (GC Wkshps), 2023, ISSN 2166-0077
Wydawca: IEEE
DOI: 10.48550/arXiv.2405.01928

Power Scalability Modeling of Reconfigurable Intelligent Surfaces for THz Applications

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

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

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

Initial Assessment of THz Indoor Channel with Passive Reflective Intelligent Surfaces

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

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

Autorzy: Bo Kum Jung, Thomas Kürner
Opublikowane w: 2024 International Symposium on Antennas and Propagation (ISAP), 2025
Wydawca: IEEE
DOI: 10.1109/ISAP62502.2024.10846774

Reconfigurable Intelligent Surfaces for THz: Hardware Impairments and Switching Technologies

Autorzy: 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
Opublikowane w: ICEAA 2024, 2024, ISSN 2766-2284
Wydawca: IEEE
DOI: 10.48550/arXiv.2402.13804

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

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

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

Autorzy: Zhongliang Lu, Changjiang Zha, Qi Luo, Baiqing Tang, Yuanming Cai
Opublikowane w: 2025 19th European Conference on Antennas and Propagation (EuCAP), 2025
Wydawca: IEEE
DOI: 10.23919/EUCAP63536.2025.10999336

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

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

Dual-Band Unit Cell for Electronically Reconfigurable Reflectarrays at mmWave

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

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

Autorzy: Georg Jensen, Bo Kum Jung, Qi Luo, Thomas Kürner
Opublikowane w: 2025 19th European Conference on Antennas and Propagation (EuCAP), 2025
Wydawca: IEEE
DOI: 10.23919/EUCAP63536.2025.10999650

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

Autorzy: B. Ouardi, R. Sauleau, and A. Clemente
Opublikowane w: ICEAA 2024, 2024, ISSN 2766-2284
Wydawca: IEEE
DOI: 10.1109/ICEAA61917.2024.10701638

Automatic Planning Algorithm of 300 GHz Backhaul Links Using Mesh Topology

Autorzy: Y. Liu, B. K. Jung, and T. Kürner
Opublikowane w: European Conference on Antennas and Propagation (EuCAP 2024), 2024, ISSN 2164-3342
Wydawca: IEEE
DOI: 10.23919/EuCAP60739.2024.10501317

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

Autorzy: B.K. Jung, T. Kürner
Opublikowane w: 2024 4th URSI Atlantic Radio Science Meeting (AT-RASC), 2024
Wydawca: IEEE
DOI: 10.46620/URSIATRASC24/KBUS2823

Dual Dielectric Metasurface for Simultaneous Sensing and Reconfigurable Reflections

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

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

Autorzy: Tiago E. S. Oliveira; João R. Reis; Iñigo Cuiñas; Rafael F. S. Caldeirinha
Opublikowane w: ICEAA 2024, 2024, ISSN 2766-2284
Wydawca: IEEE
DOI: 10.1109/ICEAA61917.2024.10701781

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

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

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

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

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

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

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

Autorzy: Marie Defives, Ronan Sauleau, Orestis Koutsos, Mathieu Caillet, Antonio Clemente
Opublikowane w: 2025 19th European Conference on Antennas and Propagation (EuCAP), 2025
Wydawca: IEEE
DOI: 10.23919/EUCAP63536.2025.10999806

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

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

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

Autorzy: Thomas Kürner, Bo Kum Jung, Christoph Herold
Opublikowane w: XXXVth URSI General Assembly and Scientific Symposium, 2023
Wydawca: IEEE
DOI: 10.46620/URSIGASS.2023.2288.FKNW9115

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

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

Simultaneous Communications and Sensing with Hybrid Reconfigurable Intelligent Surfaces

Autorzy: Ioannis Gavras, George C. Alexandropoulos
Opublikowane w: 2025 19th European Conference on Antennas and Propagation (EuCAP), 2025
Wydawca: IEEE
DOI: 10.48550/ARXIV.2410.15836

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

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

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

Autorzy: Yihan Ma, Qi Luo, Yonggang Zhou, Guangwei Yang
Opublikowane w: 2025 19th European Conference on Antennas and Propagation (EuCAP), 2025
Wydawca: IEEE
DOI: 10.23919/EUCAP63536.2025.10999315

Scalability Analysis of Reflective Intelligent Surfaces at THz Frequencies

Autorzy: J.A. Vasquez-Peralvo, P. N. Vummadisetty, S. Chatzinotas
Opublikowane w: IEEE APS 2024, 2024, ISSN 1947-1491
Wydawca: 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

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

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

Autorzy: M. Defives, R. Sauleau, and A. Clemente
Opublikowane w: IEEE APS 2024, 2024, ISSN 1947-1491
Wydawca: IEEE
DOI: 10.1109/AP-S/INC-USNC-URSI52054.2024.10685999

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

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

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

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

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

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

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

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

Performance Analysis of THz Backhaul Links Assisted by Reconfigurable Intelligent Surfaces

Autorzy: B. K. Jung and T. Kürner
Opublikowane w: European Conference on Antennas and Propagation (EuCAP 2024), 2024, ISSN 2164-3342
Wydawca: IEEE
DOI: 10.23919/EuCAP60739.2024.10501169

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

Autorzy: Aral Ertug Zorkun, Juan Andres Vasquez Peralvo, Praveen Naidu Vummadisetty, Symeon Chatzinotas
Opublikowane w: 2024 International Symposium on Antennas and Propagation (ISAP), 2025
Wydawca: 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

Autorzy: 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
Opublikowane w: 2024 IEEE International Electron Devices Meeting (IEDM), 2025
Wydawca: IEEE
DOI: 10.1109/IEDM50854.2024.10872999

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

Autorzy: Ioannis Gavras, George C. Alexandropoulos
Opublikowane w: IEEE SPAWC, 2024, ISSN 1948-3252
Wydawca: IEEE
DOI: 10.48550/arXiv.2407.18168

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

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

Channel Measurements Involving Passive RIS at 300 GHz

Autorzy: Lorenz H. W. Loeser, Sérgio Matos, Thomas Kürner
Opublikowane w: 2025 19th European Conference on Antennas and Propagation (EuCAP), 2025
Wydawca: IEEE
DOI: 10.23919/EUCAP63536.2025.10999543

Concept paper on novel radio frequency resistive switches

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

Towards a Heuristic Path Loss Model for RIS Links

Autorzy: Lorenz H. W. Loeser, Thomas Kürner
Opublikowane w: Proceedings of the 2025 International Symposium on Electromagnetic Theory - URSI EMTS 2025, 2025
Wydawca: URSI - International Union of Radio Science
DOI: 10.46620/URSIEMTS25/SKHF6427

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

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

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

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

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

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

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

Autorzy: Thomas Kürner
Opublikowane w: International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2023, ISSN 2162-2035
Wydawca: IEEE
DOI: 10.1109/IRMMW-THz57677.2023.10299324

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

Autorzy: L. Wei, C. Huang, G.C. Alexandropoulos, Z. Yang, J. Yang, EI Wei, M. Debbah, C. Yuen
Opublikowane w: IEEE International Conference on Communications, 2023, ISSN 1938-1883
Wydawca: IEEE
DOI: 10.48550/arxiv.2302.05337

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

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

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

Autorzy: Mohamed Elsaid; Sofia I. Inácio; Henrique M. Salgado; Luís M. Pessoa
Opublikowane w: ICEAA 2024, 2024, ISSN 2766-2284
Wydawca: IEEE
DOI: 10.1109/ICEAA61917.2024.10701868

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

Autorzy: I. Gavras and G. C. Alexandropoulos
Opublikowane w: International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2024), 2024, ISSN 2379-190X
Wydawca: IEEE
DOI: 10.48550/arXiv.2401.12036

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

Autorzy: K. Stylianopoulos, P. Gavriilidis, G. C. Alexandropoulos
Opublikowane w: IEEE SPAWC, 2024, ISSN 1948-3252
Wydawca: IEEE
DOI: 10.48550/arXiv.2407.13510

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

Autorzy: Mario R. Camana, Zaid Abdullah, Carla E. Garcia, Eva Lagunas, Symeon Chatzinotas
Opublikowane w: 2025 IEEE Wireless Communications and Networking Conference (WCNC), 2025
Wydawca: IEEE
DOI: 10.1109/WCNC61545.2025.10978785

Near-field Focusing with Transmitarrays: Impact of Phase Quantization

Autorzy: M. Defives, R. Sauleau, M. Arrebola and A. Clemente
Opublikowane w: International Conference on Electromagnetics in Advanced Applications, 2023, ISSN 2766-2284
Wydawca: IEEE
DOI: 10.1109/ICEAA57318.2023.10297664

A Deep Learning Approach in RIS-based Indoor Localization

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

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

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

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

Autorzy: Fabio Cardoso, Sérgio Matos, Luís M. Pessoa, George C. Alexandropoulos
Opublikowane w: 2025 19th European Conference on Antennas and Propagation (EuCAP), 2025
Wydawca: IEEE
DOI: 10.48550/ARXIV.2501.12752

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

Autorzy: Mohamed Elsaid, Sanaa Finich, Henrique M. Salgado, Luis M. Pessoa
Opublikowane w: 2025 19th European Conference on Antennas and Propagation (EuCAP), 2025
Wydawca: IEEE
DOI: 10.23919/EUCAP63536.2025.10999338

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

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

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

Autorzy: 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
Opublikowane w: 2025 Joint European Conference on Networks and Communications &amp; 6G Summit (EuCNC/6G Summit), 2025
Wydawca: 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

Autorzy: 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
Opublikowane w: European Microwave Conference (EuMC 2024), 2024, ISBN 9782874870774
Wydawca: IEEE
DOI: 10.23919/EUMC61614.2024.10732609

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

Autorzy: Bilal Ouardi, Ronan Sauleau, Antonio Clemente
Opublikowane w: 2025 19th European Conference on Antennas and Propagation (EuCAP), 2025
Wydawca: IEEE
DOI: 10.23919/EUCAP63536.2025.10999744

Irregular Subarray with Gathered Elements for Sidelobe Suppression

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

Near-Field Multipath MIMO Channel Model for Imperfect Surface Reflection

Autorzy: Mohamadreza Delbari, George C. Alexandropoulos, Robert Schober, H. Vincent Poor, Vahid Jamali
Opublikowane w: 2024 IEEE Globecom Workshops (GC Wkshps), 2025
Wydawca: IEEE
DOI: 10.48550/ARXIV.2409.17041

Leaky Waveguide Antennas for Downlink Wideband THz Communications

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

Near-field channel modeling for holographic MIMO communications

Autorzy: T. Gong, L. Wei, C. Huang, G. C. Alexandropoulos, M. Debbah, and C. Yuen
Opublikowane w: Wireless Communications Magazine, 2024, ISSN 1536-1284
Wydawca: IEEE
DOI: 10.1109/MWC.005.2300457

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

Autorzy: A. M. Elbir, K. V. Mishra and S. Chatzinotas
Opublikowane w: Antennas and Wireless Propagation Letters, 2023, ISSN 1536-1225
Wydawca: IEEE
DOI: 10.48550/arXiv.2309.03195

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

Autorzy: A. L. Moustakas and G. C. Alexandropoulos
Opublikowane w: Transactions on Wireless Communications, 2024, ISSN 1536-1276
Wydawca: IEEE
DOI: 10.48550/arXiv.2410.07389

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

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

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

Autorzy: A. M. Elbir, W. Shi, A. K. Papazafeiropoulos, P. Kourtessis and S. Chatzinotas
Opublikowane w: IEEE Access, 2023, ISSN 2169-3536
Wydawca: IEEE
DOI: 10.48550/arXiv.2302.04802

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

Autorzy: Ruiqi Liu, Shuang Zheng, Qingqing Wu, Yifan Jiang, Nan Zhang, Yuanwei Liu, Marco Di Renzo, George C. Alexandropoulos
Opublikowane w: IEEE Communications Standards Magazine, 2025, ISSN 2471-2825
Wydawca: 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

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

Low-Temperature Solution-Based Molybdenum Oxide Memristors

Autorzy: Raquel Azevedo Martins; Emanuel Carlos; Asal Kiazadeh; Rodrigo Martins; Jonas Deuermeier
Opublikowane w: ACS Applied Engineering Materials, 2024, ISSN 2771-9545
Wydawca: AmericanChemicalSociety
DOI: 10.1021/acsaenm.3c00535

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

Autorzy: C. K. Sheemar, S. Chatzinotas, D. Slock, E. Lagunas and J. Querol
Opublikowane w: Transactions on Vehicular Technology, 2024, ISSN 1939-9359
Wydawca: IEEE
DOI: 10.48550/arXiv.2112.02335

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

Autorzy: 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
Opublikowane w: IEEE Communications Surveys & Tutorials, 2023, ISSN 1553-877X
Wydawca: IEEE
DOI: 10.48550/ARXIV.2212.01257

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

Autorzy: A. Papazafeiropoulos, P. Kourtessis and S. Chatzinotas
Opublikowane w: IEEE Transactions on Wireless Communications, 2023, ISSN 1558-2248
Wydawca: IEEE
DOI: 10.1109/TWC.2023.3316707

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

Autorzy: R. Ghazalian, G. C. Alexandropoulos, G. Seco-Granados, H. Wymeersch, and R. Jäntti
Opublikowane w: Transactions on Vehicular Technology, 2024, ISSN 0018-9545
Wydawca: 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

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

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

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

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

Autorzy: K. D. Katsanos, P. D. Lorenzo and G. C. Alexandropoulos
Opublikowane w: Journal of Selected Topics in Signal Processing, 2024, ISSN 1932-4553
Wydawca: IEEE
DOI: 10.1109/JSTSP.2024.3455102

Deep Learning Enables Multifunctional Metasurfaces Design With Mutual Coupling Estimation

Autorzy: Yihan Ma, Qi Luo, Cheng Zhang, Guangwei Yang
Opublikowane w: IEEE Transactions on Antennas and Propagation, Numer 72, 2024, ISSN 0018-926X
Wydawca: 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

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

Minimum Mean Squared Error Holographic Beamforming for Sum-Rate Maximization

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

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

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

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

Autorzy: A. Ghaneizadeh, P. Gavriilidis, M. Joodaki and G. C. Alexandropoulos
Opublikowane w: IEEE Access, 2024, ISSN 2169-3536
Wydawca: IEEE
DOI: 10.1109/ACCESS.2024.3467702

Control Plane for Reconfigurable Intelligent Surfaces

Autorzy: F. Saggese, V. Croisfelt, K. Stylianopoulos, G. C. Alexandropoulos and P. Popovski
Opublikowane w: Communications Standards Magazine, 2024, ISSN 2471-2825
Wydawca: IEEE
DOI: 10.1109/MCOMSTD.0001.2400028

Near-Field Beam Tracking With Extremely Large Dynamic Metasurface Antennas

Autorzy: Panagiotis Gavriilidis, George C. Alexandropoulos
Opublikowane w: IEEE Transactions on Wireless Communications, Numer 24, 2025, ISSN 1536-1276
Wydawca: Institute of Electrical and Electronics Engineers (IEEE)
DOI: 10.48550/ARXIV.2406.01488

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

Autorzy: B. Smida, A. Sabharwal, G. Fodor, G. C. Alexandropoulos, H. A. Suraweera and C. -B. Chae
Opublikowane w: IEEE Journal on Selected Areas in Communications, 2023, ISSN 1558-0008
Wydawca: 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

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

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

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

Terahertz-Band Integrated Sensing and Communications: Challenges and Opportunities

Autorzy: A. M. Elbir, K. V. Mishra, S. Chatzinotas and M. Bennis
Opublikowane w: Aerospace and Electronic Systems Magazine, 2024, ISSN 0885-8985
Wydawca: 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

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

Active Reconfigurable Intelligent Surfaces: Circuit Modeling and Reflection Amplification Optimization

Autorzy: Panagiotis Gavriilidis, Deepak Mishra, Besma Smida, Ertugrul Basar, Chau Yuen, George C. Alexandropoulos
Opublikowane w: IEEE Open Journal of the Communications Society, Numer 6, 2025, ISSN 2644-125X
Wydawca: 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

Autorzy: Di Kong, Duy Tung Phan, Jaakko Palosaari, Jari Juuti, Aarno Pärssinen, Ping Jack Soh
Opublikowane w: Antennas and Propagation Letters, 2024, ISSN 1536-1225
Wydawca: 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

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

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

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

Printed Zinc Tin Oxide Memristors for Reservoir Computing

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

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

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

Cooperative Backscatter Communications With Reconfigurable Intelligent Surfaces: An APSK Approach

Autorzy: Qiang Li, Yehuai Feng, Miaowen Wen, Jinming Wen, George C. Alexandropoulos, Ertugrul Basar, H. Vincent Poor
Opublikowane w: IEEE Transactions on Wireless Communications, Numer 23, 2024, ISSN 1536-1276
Wydawca: 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

Autorzy: Carlos Silva, Jonas Deuermeier, Weidong Zhang, Emanuel Carlos, Pedro Barquinha, Rodrigo Martins, Asal Kiazadeh
Opublikowane w: Advanced Electronic Materials, 2023, ISSN 2199-160X
Wydawca: Wiley
DOI: 10.1002/aelm.202300286

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

Autorzy: A. M. Elbir and S. Chatzinotas
Opublikowane w: Wireless Communications Letters, 2023, ISSN 2162-2337
Wydawca: IEEE
DOI: 10.48550/arXiv.2302.02332

Inkjet printed IGZO memristors with volatile and non-volatile switching

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

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

Autorzy: R. Singh, A. Kaushik, W. Shin, G. C. Alexandropoulos, M. Toka, and M. Di Renzo
Opublikowane w: Communications Magazine, 2023, ISSN 0163-6804
Wydawca: IEEE
DOI: 10.48550/arXiv.2302.07476

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

Autorzy: Ioannis Gavras, George C. Alexandropoulos
Opublikowane w: IEEE Wireless Communications Letters, Numer 14, 2025, ISSN 2162-2337
Wydawca: Institute of Electrical and Electronics Engineers (IEEE)
DOI: 10.48550/ARXIV.2502.16647

Stacked Intelligent Metasurfaces for Efficient Holographic MIMO Communications in 6G

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

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

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

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

Autorzy: Yonggang Zhou; Xianjun Ma; Qi Luo; Yihan Ma; George C. Alexandropoulos; Xinyu Yang
Opublikowane w: Antennas and Wireless Propagation Letters, 2024, ISSN 1536-1225
Wydawca: 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

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

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

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

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

Autorzy: 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
Opublikowane w: IEEE Vehicular Technology Magazine, 2025, ISSN 1556-6072
Wydawca: Institute of Electrical and Electronics Engineers (IEEE)
DOI: 10.48550/ARXIV.2412.07359

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

Autorzy: Maria Elias Pereira, Rodrigo Martins, Elvira Fortunato, Pedro Barquinha and Asal Kiazadeh
Opublikowane w: Neuromorphic Computing and Engineering, 2023, ISSN 2634-4386
Wydawca: IOP Publishing
DOI: 10.1088/2634-4386/acd4e2

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

Autorzy: Miguel Franco, Asal Kiazadeh, Rodrigo Martins, Senentxu Lanceros-Méndez, Emanuel Carlos
Opublikowane w: Advanced Electronic Materials, 2024, ISSN 2199-160X
Wydawca: Wiley
DOI: 10.1002/aelm.202400212

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

Autorzy: M. Merluzzi and A. Clemente
Opublikowane w: Wireless Communications Letters, 2024, ISSN 2162-2337
Wydawca: IEEE
DOI: 10.1109/LWC.2024.3441933

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

Autorzy: Kim H, Chen H, Keskin MF, Ge Y, Keykhosravi K, Alexandropoulos GC, Kim S, Wymeersch H.
Opublikowane w: IEEE Transactions on Wireless Communications, 2023, ISSN 1558-2248
Wydawca: IEEE
DOI: 10.1109/TWC.2023.3307455

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

Autorzy: George C. Alexandropoulos; Yonina C. Eldar; Aryan Kaushik; Evangelos Vlachos
Opublikowane w: IEEE Open Journal of the Communications Society, 2023
Wydawca: IEEE
DOI: 10.36227/techrxiv.24310423.v1

Near-Field Multipath MIMO Channel Model for Imperfect Surface Reflection

Autorzy: Mohamadreza Delbari, George C. Alexandropoulos, Robert Schober, H. Vincent Poor, Vahid Jamali
Opublikowane w: 2024
Wydawca: arXiv
DOI: 10.48550/arXiv.2409.17041

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

Autorzy: 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
Opublikowane w: 2025
Wydawca: Zenodo
DOI: 10.5281/ZENODO.15555292

Simultaneous Communications and Sensing with Hybrid Reconfigurable Intelligent Surfaces

Autorzy: Ioannis Gavras, George C. Alexandropoulos
Opublikowane w: 2024
Wydawca: arXiv
DOI: 10.48550/arXiv.2410.15836

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

Autorzy: George Stamatelis, Panagiotis Gavriilidis, Aymen Fakhreddine, George C. Alexandropoulos
Opublikowane w: 2024
Wydawca: arXiv
DOI: 10.48550/arXiv.2411.03237

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

Autorzy: Ioannis Gavras, George C. Alexandropoulos
Opublikowane w: 2024
Wydawca: arXiv
DOI: 10.48550/arXiv.2411.09362

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

Autorzy: George Stamatelis, Kyriakos Stylianopoulos, George C. Alexandropoulos
Opublikowane w: 2024
Wydawca: arXiv
DOI: 10.48550/arXiv.2409.01765

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

Autorzy: 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
Opublikowane w: 2024
Wydawca: IEEE
DOI: 10.48550/arXiv.2412.07359

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

Autorzy: 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
Opublikowane w: 2025
Wydawca: Zenodo
DOI: 10.5281/ZENODO.14623106

Far- versus Near-Field RIS Modeling and Beam Design

Autorzy: M. Delbari, G. C. Alexandropoulos, R. Schober, and V. Jamali
Opublikowane w: 2024
Wydawca: Springer
DOI: 10.48550/ARXIV.2401.08237

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

Autorzy: Ahmet M. Elbir, Symeon Chatzinotas
Opublikowane w: 2025
Wydawca: Academic Press
DOI: 10.1016/B978-0-44-322143-9.00021-7

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