George C. Alexandropoulos

491 papers B 35C 1Misc 16Journal 342Unranked 97
YearRankTypeTitle / Venue / Authors
2026 J jnl
A Survey on Stacked Intelligent Metasurfaces: Fundamentals, Recent Advances, and Challenges.
CoRR
Chandan Kumar Sheemar, Wali Ullah Khan, Sourabh Solanki, George C. Alexandropoulos, Symeon Chatzinotas
2026 J jnl
Decentralized Cooperative Beamforming for BDRIS-Assisted Cell-Free MIMO OFDM Systems.
CoRR
Konstantinos D. Katsanos, George C. Alexandropoulos
2026 J jnl
Doubly-Dispersive MIMO Channels With Stacked Intelligent Metasurfaces: Modeling, Parametrization, and Receiver Design.
IEEE Trans. Wirel. Commun.
Kuranage Roche Rayan Ranasinghe, Iván Alexander Morales Sandoval, Hyeon Seok Rou, Giuseppe Thadeu Freitas de Abreu, George C. Alexandropoulos
2026 J jnl
Evolving Multi-Branch Attention Convolutional Neural Networks for Online RIS Configuration.
IEEE Trans. Cogn. Commun. Netw.
George Stamatelis, Kyriakos Stylianopoulos, George C. Alexandropoulos
2026 J jnl
Holographic Joint Communications and Sensing With Cramér-Rao Bounds.
IEEE J. Sel. Areas Commun.
Chandan Kumar Sheemar, Wali Ullah Khan, George C. Alexandropoulos, Jorge Querol, Symeon Chatzinotas
2026 J jnl
Interference Propagation Analysis for Large-Scale Multi-RIS-Empowered Wireless Communications:An Epidemiological Perspective.
CoRR
Kaining Wang, Xueyao Zhang, Bo Yang, Xuelin Cao, Qiang Cheng, Zhiwen Yu, Bin Guo, George C. Alexandropoulos, Kai-Kit Wong, Chan-Byoung Chae, Mérouane Debbah
2026 J jnl
Joint Beamforming and 3D Location Optimization for Multi-User Holographic UAV Communications.
IEEE Trans. Commun.
Chandan Kumar Sheemar, Asad Mahmood, Christo Kurisummoottil Thomas, George C. Alexandropoulos, Jorge Querol, Symeon Chatzinotas, Walid Saad
2026 J jnl
Metasurfaces-Integrated Wireless Neural Networks for Lightweight Over-The-Air Edge Inference.
CoRR
Kyriakos Stylianopoulos, Mario Edoardo Pandolfo, Paolo Di Lorenzo, George C. Alexandropoulos
2026 J jnl
Multi-Agent Deep Reinforcement Learning for Safe Autonomous Driving With RICS-Assisted MEC.
IEEE Trans. Intell. Transp. Syst.
Xueyao Zhang, Bo Yang, Xuelin Cao, Zhiwen Yu, George C. Alexandropoulos, Yan Zhang, Mérouane Debbah, Chau Yuen
2026 J jnl
Multi-User MISO With Stacked Intelligent Metasurfaces: A DRL-Based Sum-Rate Optimization Approach.
IEEE Trans. Cogn. Commun. Netw.
Hao Liu, Jiancheng An, George C. Alexandropoulos, Derrick Wing Kwan Ng, Chau Yuen, Lu Gan
2026 J jnl
On the Performance Enhancement Potential of Fluid Reconfigurable Intelligent Surfaces.
IEEE Trans. Wirel. Commun.
Abdelhamid Salem, Kai-Kit Wong, George C. Alexandropoulos, Chan-Byoung Chae, Ross D. Murch
2026 J jnl
Over-The-Air Extreme Learning Machines with XL Reception via Nonlinear Cascaded Metasurfaces.
CoRR
Kyriakos Stylianopoulos, Mattia Fabiani, Giulia Torcolacci, Davide Dardari, George C. Alexandropoulos
2026 J jnl
Over-the-Air Edge Inference via End-to-End Metasurfaces-Integrated Artificial Neural Networks.
IEEE Trans. Wirel. Commun.
Kyriakos Stylianopoulos, Paolo Di Lorenzo, George C. Alexandropoulos
2026 J jnl
Performance Analysis of ISAC With Active Multi-Functional RISs in Rician Fading Channels.
IEEE Trans. Cogn. Commun. Netw.
Abhinav Singh Parihar, Keshav Singh, George C. Alexandropoulos, Zhiguo Ding, Chih-Peng Li
2026 J jnl
Physically-Consistent Modeling and Optimization of Non-Local RIS-Assisted Multi-User MISO Systems.
IEEE Trans. Wirel. Commun.
Dilki Wijekoon, Amine Mezghani, George C. Alexandropoulos, Ekram Hossain
2026 J jnl
Robust Consensus-Based Distributed Beamforming for Wideband Cell-free Multi-RIS MISO Systems.
CoRR
Konstantinos D. Katsanos, George C. Alexandropoulos
2026 J jnl
SER-Optimized Multi-Level ASK Modulations for RIS-Assisted Communications With Energy- and Sign-Based Noncoherent Reception.
IEEE Trans. Green Commun. Netw.
Sambit Mishra, Soumya P. Dash, George C. Alexandropoulos
2026 J jnl
SORIS: A Self-Organized Reconfigurable Intelligent Surface Architecture for Wireless Communications.
IEEE Trans. Green Commun. Netw.
Evangelos Koutsonas, Alexandros-Apostolos A. Boulogeorgos, Stylianos E. Trevlakis, George C. Alexandropoulos, Theodoros A. Tsiftsis, Rui Zhang
2026 J jnl
STAR Beyond Diagonal RISs with Amplification: Modeling and Optimization.
CoRR
Chandan Kumar Sheemar, Giovanni Iacovelli, Wali Ullah Khan, George C. Alexandropoulos, Stefano Tomasin, Symeon Chatzinotas
2026 J jnl
Secret Key Rate Analysis of RIS-Assisted THz MIMO CV-QKD Systems under Localized and Global Eavesdropping.
CoRR
Sushil Kumar, Soumya P. Dash, George C. Alexandropoulos
2026 J jnl
Trajectory-Aware Multi-RIS Activation and Configuration: A Riemannian Diffusion Method.
CoRR
Kaining Wang, Bo Yang, Yusheng Lei, Zhibo Li, Zhiwen Yu, Xuelin Cao, Bin Guo, George C. Alexandropoulos, Dusit Niyato, Mérouane Debbah, Zhu Han
2026 J jnl
Wideband THz Multi-User Downlink Communications With Leaky Wave Antennas.
IEEE Trans. Wirel. Commun.
Natalie Lang, Yaela Gabay, Nir Shlezinger, Tirza Routtenberg, Yasaman Ghasempour, George C. Alexandropoulos, Yonina C. Eldar
2025 J jnl
3D Gaussian Radiation Field Modeling for Integrated RIS-FAS Systems: Analysis and Optimization.
CoRR
Kaining Wang, Bo Yang, Yusheng Lei, Zhiwen Yu, Xuelin Cao, Liang Wang, Bin Guo, George C. Alexandropoulos, Mérouane Debbah, Zhu Han
2025 — conf
AI-Aided Annealed Langevin Dynamics for Rapid Optimization of Programmable Channels.
SPAWC
Tomer Shaked, Philipp del Hougne, George C. Alexandropoulos, Nir Shlezinger
2025 J jnl
AI-Empowered Channel Generation for IoV Semantic Communications in Dynamic Conditions.
CoRR
Hao Liu, Bo Yang, Zhiwen Yu, Xuelin Cao, George C. Alexandropoulos, Yan Zhang, Chau Yuen
2025 J jnl
Active RISs: Modeling and Optimization.
CoRR
Recep Akif Tasçi, Panagiotis N. Gavriilidis, Ertugrul Basar, George C. Alexandropoulos
2025 J jnl
Active Reconfigurable Intelligent Surfaces: Circuit Modeling and Reflection Amplification Optimization.
IEEE Open J. Commun. Soc.
Panagiotis N. Gavriilidis, Deepak Mishra, Besma Smida, Ertugrul Basar, Chau Yuen, George C. Alexandropoulos
2025 — conf
Biconvex Optimization for Time-Domain Channel Estimation Under Dual-Wideband Fading Conditions.
EUSIPCO
Evangelos Vlachos, George C. Alexandropoulos
2025 — conf
Blinding the Wiretapper: RIS-Enabled User Occultation in the ISAC Era.
IEEECONF
Getuar Rexhepi, Hyeon Seok Rou, Giuseppe Thadeu Freitas de Abreu, George C. Alexandropoulos
2025 J jnl
Characterization of Indoor Reconfigurable Intelligent Surface-Assisted Channels at 304 GHz: Experimental Measurements, Challenges, and Future Directions.
IEEE Veh. Technol. Mag.
George C. Alexandropoulos, Bo Kum Jung, Panagiotis N. Gavriilidis, Sérgio A. Matos, Lorenz H. W. Loeser, Varvara Elesina, Antonio Clemente, Raffaele D'Errico, Luís M. Pessoa, Thomas Kürner
2025 — conf
Circuit-Compliant Optimization of Dynamic Metasurface Antennas for Near-Field Localization.
ICC
Ioannis Gavras, George C. Alexandropoulos
2025 J jnl
Cooperative Target Detection with AUVs: A Dual-Timescale Hierarchical MARDL Approach.
CoRR
Xueyao Zhang, Bo Yang, Zhiwen Yu, Xuelin Cao, George C. Alexandropoulos, Mérouane Debbah, Chau Yuen
2025 — conf
DMA Reception for Simultaneous Area-Wide Sensing and Multi-User Uplink Communications.
SPAWC
Ioannis Gavras, George C. Alexandropoulos
2025 — conf
Distributed Intelligent Sensing and Communications for 6G: Architecture and Use Cases.
EuCNC/6G Summit
Kyriakos Stylianopoulos, Giyyarpuram Madhusudan, Guillaume Jornod, Sami Mekki, Francesca Costanzo, Hui Chen, Placido Mursia, Maurizio Crozzoli, Emilio Calvanese Strinati, George C. Alexandropoulos, Henk Wymeersch
2025 J jnl
Dual Dielectric Metasurface for Simultaneous Sensing and Reconfigurable Reflections.
CoRR
Mahesh Birari, Deepak Singh Nagarkoti, Anestis Katsounaros, Hruday Kumar Reddy Mudireddy, Jagannath Malik, George C. Alexandropoulos
2025 B conf
Dynamical ON-OFF Control with Trajectory Prediction for Multi-RIS Wireless Networks.
GLOBECOM
Kaining Wang, Bo Yang, Yusheng Lei, Zhiwen Yu, Xuelin Cao, George C. Alexandropoulos, Marco Di Renzo, Chau Yuen
2025 J jnl
Dynamical ON-OFF Control with Trajectory Prediction for Multi-RIS Wireless Networks.
CoRR
Kaining Wang, Bo Yang, Yusheng Lei, Zhiwen Yu, Xuelin Cao, George C. Alexandropoulos, Marco Di Renzo, Chau Yuen
2025 B conf
Evaluating Beam Sweeping for AoA Estimation with an RIS Prototype: Indoor/Outdoor Field Trials.
WCNC
Dimitris Vordonis, Dimitris Kompostiotis, Vassilis Paliouras, George C. Alexandropoulos, Florin Grec
2025 J jnl
Evaluating Beam Sweeping for AoA Estimation with an RIS Prototype: Indoor/Outdoor Field Trials.
CoRR
Dimitris Vordonis, Dimitris Kompostiotis, Vassilis Paliouras, George C. Alexandropoulos, Florin Grec
2025 — conf
Evaluation of Switching Technologies for Reflective and Transmissive RISs at Sub-THZ Frequencies.
EuCNC/6G Summit
Sofia I. Inácio, Yihan Ma, Qi Luo, Luca Lucci, Awanish Kumar, Jose-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 A. Matos, George C. Alexandropoulos, Luís M. Pessoa, Antonio Clemente
2025 J jnl
Evaluation of Switching Technologies for Reflective and Transmissive RISs at Sub-THz Frequencies.
CoRR
Sofia I. Inácio, Yihan Ma, Qi Luo, Luca Lucci, Awanish Kumar, Jose-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 A. Matos, George C. Alexandropoulos, Luís M. Pessoa, Antonio Clemente
2025 J jnl
Evasive Active Hypothesis Testing With Deep Neuroevolution: The Single- and Multi-Agent Cases.
IEEE Trans. Inf. Forensics Secur.
George Stamatelis, Angelos-Nikolaos Kanatas, Ioannis Asprogerakas, George C. Alexandropoulos
2025 J jnl
Extremely Large Full Duplex MIMO for Simultaneous Downlink Communications and Monostatic Sensing at Sub-THz Frequencies.
CoRR
George C. Alexandropoulos, Ioannis Gavras
2025 J jnl
FIRES: Fluid Integrated Reflecting and Emitting Surfaces.
CoRR
Farshad Rostami Ghadi, Kai-Kit Wong, Masoud Kaveh, Francisco Javier López-Martínez, Chan-Byoung Chae, George C. Alexandropoulos
2025 J jnl
FIRES: Fluid Integrated Reflecting and Emitting Surfaces.
IEEE Wirel. Commun. Lett.
Farshad Rostami Ghadi, Kai-Kit Wong, Masoud Kaveh, Francisco Javier López-Martínez, Chan-Byoung Chae, George C. Alexandropoulos
2025 J jnl
Filtering Jump Markov Systems with Partially Known Dynamics: A Model-Based Deep Learning Approach.
CoRR
George Stamatelis, George C. Alexandropoulos
2025 J jnl
Fluid Reconfigurable Intelligent Surfaces: Joint On-Off Selection and Beamforming With Discrete Phase Shifts.
IEEE Wirel. Commun. Lett.
Han Xiao, Xiaoyan Hu, Kai-Kit Wong, Hanjiang Hong, George C. Alexandropoulos, Chan-Byoung Chae
2025 J jnl
Fluid Reconfigurable Intelligent Surfaces: Joint On-Off Selection and Beamforming with Discrete Phase Shifts.
CoRR
Han Xiao, Xiaoyan Hu, Kai-Kit Wong, Hanjiang Hong, George C. Alexandropoulos, Chan-Byoung Chae
2025 — conf
Graph-CNNs for RF Imaging: Learning the Electric Field Integral Equations.
EUSIPCO
Kyriakos Stylianopoulos, Panagiotis N. Gavriilidis, Gabriele Gradoni, George C. Alexandropoulos
2025 J jnl
Graph-CNNs for RF Imaging: Learning the Electric Field Integral Equations.
CoRR
Kyriakos Stylianopoulos, Panagiotis N. Gavriilidis, Gabriele Gradoni, George C. Alexandropoulos
2025 — conf
Greedy User Scheduling and Beamforming for Holographic Communications.
MeditCom
Chandan Kumar Sheemar, Christo Kurisummoottil, Wali Ullah Khan, George C. Alexandropoulos, Jorge Querol, Symeon Chatzinotas, Walid Saad
2025 — conf
How Do Microstrip Losses Impact Near-Field Beam Depth in Dynamic Metasurface Antennas?
EUSIPCO
Panagiotis N. Gavriilidis, George C. Alexandropoulos
2025 J jnl
Improving Wideband Massive MIMO Channel Estimation With UAV State-Space Information.
IEEE Trans. Veh. Technol.
Evangelos Vlachos, Christos Mavrokefalidis, Kostas Berberidis, George C. Alexandropoulos
2025 J jnl
Indoor Channel Characterization with Extremely Large Reconfigurable Intelligent Surfaces at 300 GHz.
CoRR
Fabio Martinho Cardoso, Sérgio A. Matos, Luís M. Pessoa, George C. Alexandropoulos
2025 J jnl
Integrating Sensing and Communications in 6G? Not Until It Is Secure to Do So.
CoRR
Nanchi Su, Fan Liu, Jiaqi Zou, Christos Masouros, George C. Alexandropoulos, Alain Mourad, Javier Lorca Hernando, Qinyu Zhang, Tse-Tin Chan
2025 J jnl
Integrating Stacked Intelligent Metasurfaces and Power Control for Dynamic Edge Inference via Over-The-Air Neural Networks.
CoRR
Kyriakos Stylianopoulos, George C. Alexandropoulos
2025 J jnl
Joint Active RIS Configuration and User Power Control for Localization: A Neuroevolution-Based Approach.
CoRR
George Stamatelis, Hui Chen, Henk Wymeersch, George C. Alexandropoulos
2025 J jnl
Joint Holographic Beamforming and User Scheduling With Individual QoS Constraints.
IEEE Trans. Veh. Technol.
Chandan Kumar Sheemar, Christo Kurisummoottil Thomas, George C. Alexandropoulos, Jorge Querol, Symeon Chatzinotas, Walid Saad
2025 J jnl
Joint Optimization of Cooperation Efficiency and Communication Covertness for Target Detection with AUVs.
CoRR
Xueyao Zhang, Bo Yang, Zhiwen Yu, Xuelin Cao, Wei Xiang, Bin Guo, Liang Wang, Billy Pik Lik Lau, George C. Alexandropoulos, Jun Luo, Mérouane Debbah, Zhu Han, Chau Yuen
2025 — conf
Learning RIS Configuration with Quantized Responses: A Neuroevolution-Trained Multi-Branch Attention Convolutional Neural Network.
ICC Workshops
George Stamatelis, Kyriakos Stylianopoulos, George C. Alexandropoulos
2025 J jnl
Learning the Basis: A Kolmogorov-Arnold Network Approach Embedding Green's Function Priors.
CoRR
Rui Zhu, Yuexing Peng, George C. Alexandropoulos, Wenbo Wang, Wei Xiang
2025 J jnl
Lightweight Security for Ambient-Powered Programmable Reflections With Reconfigurable Intelligent Surfaces.
IEEE Commun. Stand. Mag.
Andreas Kunz, Sheeba Backia Mary Baskaran, George C. Alexandropoulos
2025 J jnl
Lightweight Security for Ambient-Powered Programmable Reflections with Reconfigurable Intelligent Surfaces.
CoRR
Andreas Kunz, Sheeba Backia Mary Baskaran, George C. Alexandropoulos
2025 — conf
MIMO Communications with 1-bit RIS: Asymptotic Analysis and Over-the-Air Channel Diagonalization.
IEEECONF
Panagiotis N. Gavriilidis, Kyriakos Stylianopoulos, George C. Alexandropoulos
2025 J jnl
MIMO Communications with 1-bit RIS: Asymptotic Analysis and Over-the-Air Channel Diagonalization.
CoRR
Panagiotis N. Gavriilidis, Kyriakos Stylianopoulos, George C. Alexandropoulos
2025 J jnl
Minimum Mean Squared Error Holographic Beamforming for Sum-Rate Maximization.
IEEE Wirel. Commun. Lett.
Chandan Kumar Sheemar, Wali Ullah Khan, George C. Alexandropoulos, Manzoor Ahmed, Symeon Chatzinotas
2025 — conf
Multi-Agent Actor-Critic with Harmonic Annealing Pruning for Dynamic Spectrum Access Systems.
EUSIPCO
George Stamatelis, Angelos-Nikolaos Kanatas, George C. Alexandropoulos
2025 J jnl
Multi-Agent Actor-Critic with Harmonic Annealing Pruning for Dynamic Spectrum Access Systems.
CoRR
George Stamatelis, Angelos-Nikolaos Kanatas, George C. Alexandropoulos
2025 J jnl
Multi-Agent Deep Reinforcement Learning for Safe Autonomous Driving with RICS-Assisted MEC.
CoRR
Xueyao Zhang, Bo Yang, Xuelin Cao, Zhiwen Yu, George C. Alexandropoulos, Yan Zhang, Mérouane Debbah, Chau Yuen
2025 J jnl
Multi-RIS-Empowered Communication Systems: Capacity Analysis and Optimization.
CoRR
Aris L. Moustakas, George C. Alexandropoulos
2025 — conf
Multi-Task Domain Adaptation for Computation Offloading in Edge-Intelligence Networks.
VTC2025-Spring
Runxin Han, Bo Yang, Zhiwen Yu, Xuelin Cao, George C. Alexandropoulos, Chau Yuen
2025 J jnl
Multi-task Domain Adaptation for Computation Offloading in Edge-intelligence Networks.
CoRR
Runxin Han, Bo Yang, Zhiwen Yu, Xuelin Cao, George C. Alexandropoulos, Chau Yuen
2025 J jnl
Multiagent Reinforcement Learning for Offloading Cellular Communications With Cooperating UAVs.
IEEE Trans. Aerosp. Electron. Syst.
Abhishek Mondal, Deepak Mishra, George C. Alexandropoulos, Azzam Al-Nahari, Riku Jäntti
2025 — conf
Multiuser Localization with Leaky Wave Antennas.
SPAWC
Yoni Bartal, Yasaman Ghasempour, George C. Alexandropoulos, Yonina C. Eldar, Tirza Routtenberg, Nir Shlezinger
2025 J jnl
Near-Field Beam Tracking With Extremely Large Dynamic Metasurface Antennas.
IEEE Trans. Wirel. Commun.
Panagiotis N. Gavriilidis, George C. Alexandropoulos
2025 B conf
Near-Field Full Duplex XL MIMO with Reconfigurable Holographic Surfaces.
PIMRC
Chandan Kumar Sheemar, Wali Ullah Khan, Sourabh Solanki, George C. Alexandropoulos, Zaid Abdullah, Symeon Chatzinotas
2025 J jnl
Near-Field Localization With Antenna Arrays in the Presence of Direction-Dependent Mutual Coupling.
IEEE Trans. Veh. Technol.
Zohreh Ebadi, Amir Masoud Molaei, George C. Alexandropoulos, Muhammad Ali Babar Abbasi, Simon L. Cotton, Anvar Tukmanov, Okan Yurduseven
2025 J jnl
Near-Field Localization With Dynamic Metasurface Antennas at THz: A CRB Minimizing Approach.
IEEE Wirel. Commun. Lett.
Ioannis Gavras, George C. Alexandropoulos
2025 — conf
On the Detection of Non-Cooperative RISs: Scan $B$-Testing via Deep Support Vector Data Description.
ICC
George Stamatelis, Panagiotis N. Gavriilidis, Aymen Fakhreddine, George C. Alexandropoulos
2025 J jnl
On the Rate-Exponent Region of Integrated Sensing and Communications With Variable-Length Coding.
CoRR
Ioannis Papoutsidakis, George C. Alexandropoulos
2025 B conf
On the Rate-Exponent Region of Integrated Sensing and Communications with Variable-Length Coding.
WCNC
Ioannis Papoutsidakis, George C. Alexandropoulos
2025 B conf
Optimizing Indoor RIS-Aided Physical Layer Security: A Codebook-Generation Methodology and Measurement-Based Analysis.
PIMRC
Dimitris Kompostiotis, Dimitris Vordonis, Vassilis Paliouras, George C. Alexandropoulos
2025 J jnl
Over-the-Air Edge Inference via End-to-End Metasurfaces-Integrated Artificial Neural Networks.
CoRR
Kyriakos Stylianopoulos, Paolo Di Lorenzo, George C. Alexandropoulos
2025 J jnl
Over-the-Air Goal-Oriented Communications.
CoRR
Kyriakos Stylianopoulos, Paolo Di Lorenzo, George C. Alexandropoulos
2025 J jnl
Over-the-Air Semantic Alignment with Stacked Intelligent Metasurfaces.
CoRR
Mario Edoardo Pandolfo, Kyriakos Stylianopoulos, George C. Alexandropoulos, Paolo Di Lorenzo
2025 — conf
Parametrized Stacked Intelligent Metasurfaces for Bistatic Integrated Sensing and Communications.
IEEECONF
Kuranage Roche Rayan Ranasinghe, Iván Alexander Morales Sandoval, Giuseppe Thadeu Freitas de Abreu, George C. Alexandropoulos
2025 J jnl
Performance Analysis of Underwater RSMA-Assisted Covert Wireless Communications.
IEEE Trans. Commun.
Xuquan Luo, Liang Yang, George C. Alexandropoulos, Jules M. Moualeu, Xi Yang
2025 J jnl
Performance Analysis of Wireless Communication Systems Assisted by Fluid Reconfigurable Intelligent Surfaces.
CoRR
Farshad Rostami Ghadi, Kai-Kit Wong, Francisco Javier López-Martínez, George C. Alexandropoulos, Chan-Byoung Chae
2025 J jnl
Performance Analysis of Wireless Communication Systems Assisted by Fluid Reconfigurable Intelligent Surfaces.
IEEE Wirel. Commun. Lett.
Farshad Rostami Ghadi, Kai-Kit Wong, Francisco Javier López-Martínez, George C. Alexandropoulos, Chan-Byoung Chae
2025 J jnl
RIS-Assisted MIMO CV-QKD at THz Frequencies: Channel Estimation and Secret Key Rate Analysis.
IEEE Trans. Commun.
Sushil Kumar, Soumya P. Dash, Debasish Ghose, George C. Alexandropoulos
2025 B conf
RIS-Empowered 3D DoA Estimation of Multiple Aerial Targets via Deep Reinforcement Learning.
WCNC
Anal Paul, Mayur Katwe, Keshav Singh, Aryan Kaushik, George C. Alexandropoulos, Chih-Peng Li
2025 J jnl
RIS-Enabled Smart Wireless Environments: Fundamentals and Distributed Optimization.
CoRR
George C. Alexandropoulos, Kostantinos D. Katsanos, George Stamatelis, Ioannis Gavras
2025 J jnl
Receiving RISs: Enabling Channel Estimation and Autonomous Configuration.
CoRR
George C. Alexandropoulos, Konstantinos D. Katsanos, Evangelos Vlachos
2025 J jnl
Reconfigurable Intelligent Computational Surfaces for MEC-Assisted Autonomous Driving Networks: Design Optimization and Analysis.
IEEE Trans. Intell. Transp. Syst.
Xueyao Zhang, Bo Yang, Zhiwen Yu, Xuelin Cao, George C. Alexandropoulos, Yan Zhang, Mérouane Debbah, Chau Yuen
2025 — conf
Robust Consensus-Based Distributed Beamforming for Wideband Cell-free Multi-RIS MISO Systems.
IEEECONF
Konstantinos D. Katsanos, George C. Alexandropoulos
2025 J jnl
SKR Analysis of MIMO FSO Systems with One- and Two-way CV-QKD Protocols in Hybrid Quantum Noise Environment.
CoRR
Sushil Kumar, Soumya P. Dash, George C. Alexandropoulos
2025 J jnl
Secure ISAC MIMO systems: exploiting interference with Bayesian Cramér-Rao bound optimization.
EURASIP J. Wirel. Commun. Netw.
Nanchi Su, Fan Liu, Christos Masouros, George C. Alexandropoulos, Yifeng Xiong, Qinyu Zhang
2025 J jnl
Sensing-Aided Near-Field Beam Tracking.
CoRR
Panagiotis N. Gavriilidis, George C. Alexandropoulos
2025 J jnl
Series Editorial: Integrated Sensing and Communications.
IEEE Commun. Mag.
Weijie Yuan, George C. Alexandropoulos, Giuseppe Caire, Carlos Cordeiro, Tao Gu, Pu Wang
2025 J jnl
Sustainable Wireless Networks via Reconfigurable Intelligent Surfaces (RISs): Overview of the ETSI ISG RIS.
IEEE Commun. Stand. Mag.
Ruiqi Liu, Shuang Zheng, Qingqing Wu, Yifan Jiang, Nan Zhang, Yuanwei Liu, Marco Di Renzo, George C. Alexandropoulos
2025 J jnl
Toward Distributed and Intelligent Integrated Sensing and Communications for 6G Networks.
IEEE Wirel. Commun.
Emilio Calvanese Strinati, George C. Alexandropoulos, Navid Amani, Maurizio Crozzoli, Giyyarpuram Madhusudan, Sami Mekki, Francois Rivet, Vincenzo Sciancalepore, Philippe Sehier, Maximilian Stark, Henk Wymeersch
2025 J jnl
U-PINet: End-to-End Hierarchical Physics-Informed Learning With Sparse Graph Coupling for 3D EM Scattering Modeling.
CoRR
Rui Zhu, Yuexing Peng, Peng Wang, George C. Alexandropoulos, Wenbo Wang, Wei Xiang
2025 J jnl
Universal Approximation with XL MIMO Systems: OTA Classification via Trainable Analog Combining.
CoRR
Kyriakos Stylianopoulos, George C. Alexandropoulos
2024 J jnl
Adaptive Polynomial Chaos Expansion for Uncertainty Quantification and Optimization of Horn Antennas at SubTHz Frequencies.
CoRR
Aristeides D. Papadopoulos, Yihan Ma, Qi Luo, George C. Alexandropoulos
2024 — conf
Asymptotically Optimal Closed-Form Phase Configuration of 1-bit RISs via Sign Alignment.
SPAWC
Kyriakos Stylianopoulos, Panagiotis N. Gavriilidis, George C. Alexandropoulos
2024 J jnl
Characterization of Indoor RIS-Assisted Channels at 304 GHz: Experimental Measurements, Challenges, and Future Directions.
CoRR
George C. Alexandropoulos, Bo Kum Jung, Panagiotis N. Gavriilidis, Sérgio A. Matos, Lorenz H. W. Loeser, Varvara Elesina, Antonio Clemente, Raffaele D'Errico, Luís M. Pessoa, Thomas Kürner
2024 J jnl
Computation Pre-Offloading for MEC-Enabled Vehicular Networks via Trajectory Prediction.
CoRR
Ting Zhang, Bo Yang, Zhiwen Yu, Xuelin Cao, George C. Alexandropoulos, Yan Zhang, Chau Yuen
2024 J jnl
Control Plane for Reconfigurable Intelligent Surfaces.
IEEE Commun. Stand. Mag.
Fabio Saggese, Victor Croisfelt, Kyriakos Stylianopoulos, George C. Alexandropoulos, Petar Popovski
2024 J jnl
Cooperative Backscatter Communications With Reconfigurable Intelligent Surfaces: An APSK Approach.
IEEE Trans. Wirel. Commun.
Qiang Li, Yehuai Feng, Miaowen Wen, Jinming Wen, George C. Alexandropoulos, Ertugrul Basar, H. Vincent Poor
2024 J jnl
Cooperative Backscatter Communications with Reconfigurable Intelligent Surfaces: An APSK Approach.
CoRR
Qiang Li, Yehuai Feng, Miaowen Wen, Jinming Wen, George C. Alexandropoulos, Ertugrul Basar, H. Vincent Poor
2024 — conf
DRL-Based Orchestration of Multi-User MISO Systems with Stacked Intelligent Metasurfaces.
ICC
Hao Liu, Jiancheng An, Derrick Wing Kwan Ng, George C. Alexandropoulos, Lu Gan
2024 — conf
Distributed Intelligent Integrated Sensing and Communications: The 6G-DISAC Approach.
EuCNC/6G Summit
Emilio Calvanese Strinati, George C. Alexandropoulos, Giyyarpuram Madhusudan, Philippe Sehier, Sami Mekki, Vincenzo Sciancalepore, Maximilian Stark, Mohamed Sana, Benoît Denis, Maurizio Crozzoli, Navid Amani, Placido Mursia, Raffaele D'Errico, Mauro Renato Boldi, Francesca Costanzo, Francois Rivet, Henk Wymeersch
2024 J jnl
Distributed Intelligent Integrated Sensing and Communications: The 6G-DISAC Approach.
CoRR
Emilio Calvanese Strinati, George C. Alexandropoulos, Giyyarpuram Madhusudan, Philippe Sehier, Sami Mekki, Vincenzo Sciancalepore, Maximilian Stark, Mohamed Sana, Benoît Denis, Maurizio Crozzoli, Navid Amani, Placido Mursia, Raffaele D'Errico, Mauro Renato Boldi, Francesca Costanzo, Francois Rivet, Henk Wymeersch
2024 — conf
Electromagnetically-Consistent Modeling and Optimization of Mutual Coupling in RIS-Assisted Multi-User MIMO Communication Systems.
ICC Workshops
Dilki Wijekoon, Amine Mezghani, George C. Alexandropoulos, Ekram Hossain
2024 J jnl
Electromagnetically-Consistent Modeling and Optimization of Mutual Coupling in RIS-Assisted Multi-User MIMO Communication Systems.
CoRR
Dilki Wijekoon, Amine Mezghani, George C. Alexandropoulos, Ekram Hossain
2024 J jnl
Evaluation of RIS-Enabled B5G/6G Indoor Positioning and Mapping using Ray Tracing Models.
CoRR
Dimitris Kompostiotis, Dimitris Vordonis, Vassilis Paliouras, George C. Alexandropoulos, Florin Grec
2024 J jnl
Far- versus Near-Field RIS Modeling and Beam Design.
CoRR
Mohamadreza Delbari, George C. Alexandropoulos, Robert Schober, Vahid Jamali
2024 J jnl
Holographic MIMO Communications: Theoretical Foundations, Enabling Technologies, and Future Directions.
IEEE Commun. Surv. Tutorials
Tierui Gong, Panagiotis N. Gavriilidis, Ran Ji, Chongwen Huang, George C. Alexandropoulos, Li Wei, Zhaoyang Zhang, Mérouane Debbah, H. Vincent Poor, Chau Yuen
2024 J jnl
Hybrid Reconfigurable Intelligent Metasurfaces: Enabling Simultaneous Tunable Reflections and Sensing for 6G Wireless Communications.
IEEE Veh. Technol. Mag.
George C. Alexandropoulos, Nir Shlezinger, Idban Alamzadeh, Mohammadreza F. Imani, Haiyang Zhang, Yonina C. Eldar
2024 J jnl
In-Band Full-Duplex MIMO Systems for Simultaneous Communications and Sensing: Challenges, Methods, and Future Perspectives.
CoRR
Besma Smida, George C. Alexandropoulos, Taneli Riihonen, Md Atiqul Islam
2024 J jnl
In-Band Full-Duplex Multiple-Input Multiple-Output Systems for Simultaneous Communications and Sensing: Challenges, methods, and future perspectives [Special Issue on Signal Processing for the Integrated Sensing and Communications Revolution].
IEEE Signal Process. Mag.
Besma Smida, George C. Alexandropoulos, Taneli Riihonen, Md Atiqul Islam
2024 J jnl
Indexed Multiple Access with Reconfigurable Intelligent Surfaces: The Reflection Tuning Potential.
IEEE Commun. Mag.
Rohit Singh, Aryan Kaushik, Wonjae Shin, George C. Alexandropoulos, Mesut Toka, Marco Di Renzo
2024 J jnl
Joint 3D User and 6D Hybrid Reconfigurable Intelligent Surface Localization.
CoRR
Reza Ghazalian, George C. Alexandropoulos, Gonzalo Seco-Granados, Henk Wymeersch, Riku Jäntti
2024 J jnl
Joint 3D User and 6D Hybrid Reconfigurable Intelligent Surface Localization.
IEEE Trans. Veh. Technol.
Reza Ghazalian, George C. Alexandropoulos, Gonzalo Seco-Granados, Henk Wymeersch, Riku Jäntti
2024 J jnl
Joint Near-Field Target Tracking and Communications with Full Duplex Holographic MIMO.
CoRR
Ioannis Gavras, George C. Alexandropoulos
2024 Misc conf
Joint Near-Field Target Tracking and Communications with full Duplex Holographic MIMO.
ICASSP
Ioannis Gavras, George C. Alexandropoulos
2024 J jnl
Joint User Localization and Location Calibration of a Hybrid Reconfigurable Intelligent Surface.
IEEE Trans. Veh. Technol.
Reza Ghazalian, Hui Chen, George C. Alexandropoulos, Gonzalo Seco-Granados, Henk Wymeersch, Riku Jäntti
2024 J jnl
Jointly Optimal RIS Placement and Power Allocation for Underlay D2D Communications: An Outage Probability Minimization Approach.
IEEE Trans. Cogn. Commun. Netw.
Sarbani Ghose, Deepak Mishra, Santi P. Maity, George C. Alexandropoulos
2024 Misc conf
Leaky Waveguide Antennas for Downlink Wideband THz Communications.
ICASSP
Yaela Gabay, Nir Shlezinger, Tirza Routtenberg, Yasaman Ghasempour, George C. Alexandropoulos, Yonina C. Eldar
2024 J jnl
MIMO MAC Empowered by Reconfigurable Intelligent Surfaces: Capacity Region and Large System Analysis.
CoRR
Aris L. Moustakas, George C. Alexandropoulos
2024 J jnl
MIMO MAC Empowered by Reconfigurable Intelligent Surfaces: Capacity Region and Large System Analysis.
IEEE Trans. Wirel. Commun.
Aris L. Moustakas, George C. Alexandropoulos
2024 J jnl
Metasurface Energy Harvesters: State-of-the-Art Designs and Their Potential for Energy Sustainable Reconfigurable Intelligent Surfaces.
IEEE Access
Alireza Ghaneizadeh, Panagiotis N. Gavriilidis, Mojtaba Joodaki, George C. Alexandropoulos
2024 J jnl
Metasurface Energy Harvesters: State-of-the-Art Designs and Their Potential for Energy Sustainable Reconfigurable Intelligent Surfaces.
CoRR
Alireza Ghaneizadeh, Panagiotis N. Gavriilidis, Mojtaba Joodaki, George C. Alexandropoulos
2024 Misc conf
Metasurface-Based Receivers with 1-bit ADCS for multi-user Uplink Communications.
ICASSP
Panagiotis N. Gavriilidis, Italo Atzeni, George C. Alexandropoulos
2024 J jnl
Metasurface-Based Receivers with 1-bit ADCs for Multi-User Uplink Communications.
CoRR
Panagiotis N. Gavriilidis, Italo Atzeni, George C. Alexandropoulos
2024 J jnl
Multi-Branch Attention Convolutional Neural Network for Online RIS Configuration with Discrete Responses: A Neuroevolution Approach.
CoRR
George Stamatelis, Kyriakos Stylianopoulos, George C. Alexandropoulos
2024 J jnl
Multi-RIS-Empowered Multiple Access: A Distributed Sum-Rate Maximization Approach.
CoRR
Konstantinos D. Katsanos, Paolo Di Lorenzo, George C. Alexandropoulos
2024 J jnl
Multi-RIS-Empowered Multiple Access: A Distributed Sum-Rate Maximization Approach.
IEEE J. Sel. Top. Signal Process.
Konstantinos D. Katsanos, Paolo Di Lorenzo, George C. Alexandropoulos
2024 J jnl
Multi-User MISO with Stacked Intelligent Metasurfaces: A DRL-Based Sum-Rate Optimization Approach.
CoRR
Hao Liu, Jiancheng An, George C. Alexandropoulos, Derrick Wing Kwan Ng, Chau Yuen, Lu Gan
2024 J jnl
Near-Field Beam Tracking with Extremely Large Dynamic Metasurface Antennas.
CoRR
Panagiotis N. Gavriilidis, George C. Alexandropoulos
2024 J jnl
Near-Field Channel Modeling for Holographic MIMO Communications.
CoRR
Tierui Gong, Li Wei, Chongwen Huang, George C. Alexandropoulos, Mérouane Debbah, Chau Yuen
2024 J jnl
Near-Field Channel Modeling for Holographic Mimo Communications.
IEEE Wirel. Commun.
Tierui Gong, Li Wei, Chongwen Huang, George C. Alexandropoulos, Mérouane Debbah, Chau Yuen
2024 Misc conf
Near-Field Localization with 1-bit Quantized Hybrid A/D Reception.
ICASSP
Ioannis Gavras, Italo Atzeni, George C. Alexandropoulos
2024 J jnl
Near-Field Localization with 1-bit Quantized Hybrid A/D Reception.
CoRR
Ioannis Gavras, Italo Atzeni, George C. Alexandropoulos
2024 — conf
Near-Field Multipath MIMO Channel Model for Imperfect Surface Reflection.
GLOBECOM (Workshops)
Mohamadreza Delbari, George C. Alexandropoulos, Robert Schober, H. Vincent Poor, Vahid Jamali
2024 J jnl
Near-Field Wideband Extremely Large-Scale MIMO Transmissions With Holographic Metasurface-Based Antenna Arrays.
IEEE Trans. Wirel. Commun.
Jie Xu, Li You, George C. Alexandropoulos, Xinping Yi, Wenjin Wang, Xiqi Gao
2024 J jnl
On the Detection of Non-Cooperative RISs: Scan B-Testing via Deep Support Vector Data Description.
CoRR
George Stamatelis, Panagiotis N. Gavriilidis, Aymen Fakhreddine, George C. Alexandropoulos
2024 J jnl
On the Impact of Control Signaling in RIS-Empowered Wireless Communications.
IEEE Open J. Commun. Soc.
Fabio Saggese, Victor Croisfelt, Radoslaw Kotaba, Kyriakos Stylianopoulos, George C. Alexandropoulos, Petar Popovski
2024 J jnl
On the Tacit Linearity Assumption in Common Cascaded Models of RIS-Parametrized Wireless Channels.
IEEE Trans. Wirel. Commun.
Antonin Rabault, Luc Le Magoarou, Jérôme Sol, George C. Alexandropoulos, Nir Shlezinger, H. Vincent Poor, Philipp del Hougne
2024 J jnl
Optimal Multi-Level ASK Modulations for RIS-Assisted Communications with Energy-Based Noncoherent Reception.
CoRR
Sambit Mishra, Soumya P. Dash, George C. Alexandropoulos
2024 J jnl
Physically-Consistent Modeling and Optimization of Non-local RIS-Assisted Multi-User MIMO Communication Systems.
CoRR
Dilki Wijekoon, Amine Mezghani, George C. Alexandropoulos, Ekram Hossain
2024 J jnl
RIS-Aided Joint Channel Estimation and Localization at mmWave Under Hardware Impairments: A Dictionary Learning-Based Approach.
IEEE Trans. Wirel. Commun.
Murat Bayraktar, Nuria González-Prelcic, George C. Alexandropoulos, Hao Chen
2024 J jnl
RIS-Assisted MIMO CV-QKD at THz Frequencies: Channel Estimation and SKR Analysis.
CoRR
Sushil Kumar, Soumya P. Dash, Debasish Ghose, George C. Alexandropoulos
2024 B conf
RIS-Augmented Millimeter-Wave MIMO Systems for Passive Drone Detection.
PIMRC
Jiguang He, Aymen Fakhreddine, George C. Alexandropoulos
2024 J jnl
RIS-Enabled and Access-Point-Free Simultaneous Radio Localization and Mapping.
IEEE Trans. Wirel. Commun.
Hyowon Kim, Hui Chen, Musa Furkan Keskin, Yu Ge, Kamran Keykhosravi, George C. Alexandropoulos, Sunwoo Kim, Henk Wymeersch
2024 B conf
Reconfigurable Intelligent Computational Surfaces for MEC-Assisted Autonomous Driving Networks.
WCNC
Bo Yang, Xueyao Zhang, Zhiwen Yu, Xuelin Cao, Chongwen Huang, George C. Alexandropoulos, Yan Zhang, Mérouane Debbah, Chau Yuen
2024 J jnl
Reconfigurable Intelligent Computational Surfaces for MEC-Assisted Autonomous Driving Networks.
CoRR
Bo Yang, Xueyao Zhang, Zhiwen Yu, Xuelin Cao, Chongwen Huang, George C. Alexandropoulos, Yan Zhang, Mérouane Debbah, Chau Yuen
2024 J jnl
Reconfigurable Intelligent Computational Surfaces for MEC-Assisted Autonomous Driving Networks: Design Optimization and Analysis.
CoRR
Xueyao Zhang, Bo Yang, Zhiwen Yu, Xuelin Cao, George C. Alexandropoulos, Yan Zhang, Mérouane Debbah, Chau Yuen
2024 J jnl
Reconfigurable Intelligent Surfaces for 6G: Emerging Hardware Architectures, Applications, and Open Challenges.
IEEE Veh. Technol. Mag.
Ertugrul Basar, George C. Alexandropoulos, Yuanwei Liu, Qingqing Wu, Shi Jin, Chau Yuen, Octavia A. Dobre, Robert Schober
2024 J jnl
Reconfigurable Intelligent Surfaces for THz: Hardware Design and Signal Processing Challenges.
CoRR
George C. Alexandropoulos, Antonio Clemente, Sérgio A. Matos, Ryan Husbands, Sean Ahearne, Qi Luo, Verónica Lain-Rubio, Thomas Kürner, Luís M. Pessoa
2024 J jnl
Reconfigurable Intelligent Surfaces for THz: Hardware Impairments and Switching Technologies.
CoRR
Sérgio A. Matos, Yihan Ma, Qi Luo, Jonas Deuermeier, Luca Lucci, Panagiotis N. Gavriilidis, Asal Kiazadeh, Verónica Lain-Rubio, Tung D. Phan, Ping Jack Soh, Antonio Clemente, Luís M. Pessoa, George C. Alexandropoulos
2024 J jnl
Secure ISAC MIMO Systems: Exploiting Interference With Bayesian Cramér-Rao Bound Optimization.
CoRR
Nanchi Su, Fan Liu, Christos Masouros, George C. Alexandropoulos, Yifeng Xiong, Qinyu Zhang
2024 — conf
Simultaneous Near-Field THz Communications and Sensing with Full Duplex Metasurface Transceivers.
SPAWC
Ioannis Gavras, George C. Alexandropoulos
2024 — conf
Single- and Multi-Agent Private Active Sensing: A Deep Neuroevolution Approach.
ICC Workshops
George Stamatelis, Angelos-Nikolaos Kanatas, Ioannis Asprogerakas, George C. Alexandropoulos
2024 J jnl
Single- and Multi-Agent Private Active Sensing: A Deep Neuroevolution Approach.
CoRR
George Stamatelis, Angelos-Nikolaos Kanatas, Ioannis Asprogerakas, George C. Alexandropoulos
2024 J jnl
Sustainable Wireless Networks via Reconfigurable Intelligent Surfaces (RISs): Overview of the ETSI ISG RIS.
CoRR
Ruiqi Liu, Shuang Zheng, Qingqing Wu, Yifan Jiang, Nan Zhang, Yuanwei Liu, Marco Di Renzo, George C. Alexandropoulos
2024 — conf
The Interference Broadcast Channel with Reconfigurable Intelligent Surfaces: A Cooperative Sum-Rate Maximization Approach.
SPAWC
Konstantinos D. Katsanos, Paolo Di Lorenzo, George C. Alexandropoulos
2024 J jnl
The Interference Broadcast Channel with Reconfigurable Intelligent Surfaces: A Cooperative Sum-Rate Maximization Approach.
CoRR
Konstantinos D. Katsanos, Paolo Di Lorenzo, George C. Alexandropoulos
2024 J jnl
Toward the Metaverse Realization in 6G: Orchestration of RIS-Enabled Smart Wireless Environments via Digital Twins.
IEEE Internet Things Mag.
Antonino Masaracchia, Dang Van Huynh, George C. Alexandropoulos, Berk Canberk, Octavia A. Dobre, Trung Q. Duong
2024 J jnl
Towards Distributed and Intelligent Integrated Sensing and Communications for 6G Networks.
CoRR
Emilio Calvanese Strinati, George C. Alexandropoulos, Navid Amani, Maurizio Crozzoli, Giyyarpuram Madhusudan, Sami Mekki, Francois Rivet, Vincenzo Sciancalepore, Philippe Sehier, Maximilian Stark, Henk Wymeersch
2024 J jnl
Two-way communications empowered by reconfigurable intelligent surfaces and direct link: Outage analysis under hardware impairments and Nakagami-m fading.
Phys. Commun.
Suneel Yadav, Ashutosh Kumar Yadav, Radhika Gour, George C. Alexandropoulos, Devendra Singh Gurjar
2023 J jnl
3D Localization With a Single Partially-Connected Receiving RIS: Positioning Error Analysis and Algorithmic Design.
IEEE Trans. Veh. Technol.
Jiguang He, Aymen Fakhreddine, Charles Vanwynsberghe, Henk Wymeersch, George C. Alexandropoulos
2023 J jnl
A Framework for Control Channels Applied to Reconfigurable Intelligent Surfaces.
CoRR
Fabio Saggese, Victor Croisfelt, Radoslaw Kotaba, Kyriakos Stylianopoulos, George C. Alexandropoulos, Petar Popovski
2023 — conf
Autoregressive Attention Neural Networks for Non-Line-of-Sight User Tracking with Dynamic Metasurface Antennas.
CAMSAP
Kyriakos Stylianopoulos, Murat Bayraktar, Nuria González-Prelcic, George C. Alexandropoulos
2023 J jnl
Autoregressive Attention Neural Networks for Non-Line-of-Sight User Tracking with Dynamic Metasurface Antennas.
CoRR
Kyriakos Stylianopoulos, Murat Bayraktar, Nuria González-Prelcic, George C. Alexandropoulos
2023 J jnl
Channel Estimation With Hybrid Reconfigurable Intelligent Metasurfaces.
IEEE Trans. Commun.
Haiyang Zhang, Nir Shlezinger, George C. Alexandropoulos, Avner Shultzman, Idban Alamzadeh, Mohammadreza F. Imani, Yonina C. Eldar
2023 J jnl
Channel Estimation and Multipath Diversity Reception for RIS-Empowered Broadband Wireless Systems Based on Cyclic-Prefixed Single-Carrier Transmission.
IEEE Trans. Wirel. Commun.
Qiang Li, Miaowen Wen, Ertugrul Basar, George C. Alexandropoulos, Kyeong Jin Kim, H. Vincent Poor
2023 — conf
Channel Modeling and Multi-User Precoding for Tri-Polarized Holographic MIMO Communications.
ICC
Li Wei, Chongwen Huang, George C. Alexandropoulos, Zhaohui Yang, Jun Yang, Wei E. I. Sha, Mérouane Debbah, Chau Yuen
2023 J jnl
Channel Modeling and Multi-User Precoding for Tri-Polarized Holographic MIMO Communications.
CoRR
Li Wei, Chongwen Huang, George C. Alexandropoulos, Zhaohui Yang, Jun Yang, Wei E. I. Sha, Mérouane Debbah, Chau Yuen
2023 Misc conf
Compressed-Sensing-Based 3D Localization with Distributed Passive Reconfigurable Intelligent Surfaces.
ICASSP
Jiguang He, Aymen Fakhreddine, Henk Wymeersch, George C. Alexandropoulos
2023 J jnl
Corrections to "WiThRay: A Versatile Ray-Tracing Simulator for Smart Wireless Environments".
IEEE Access
Hyuckjin Choi, Jaeky Oh, Jaehoon Chung, George C. Alexandropoulos, Junil Choi
2023 J jnl
Counteracting Eavesdropper Attacks Through Reconfigurable Intelligent Surfaces: A New Threat Model and Secrecy Rate Optimization.
IEEE Open J. Commun. Soc.
George C. Alexandropoulos, Konstantinos D. Katsanos, Miaowen Wen, Daniel B. da Costa
2023 J jnl
Energy Efficiency Maximization of Massive MIMO Communications With Dynamic Metasurface Antennas.
IEEE Trans. Wirel. Commun.
Li You, Jie Xu, George C. Alexandropoulos, Jue Wang, Wenjin Wang, Xiqi Gao
2023 — conf
Full Duplex Holographic MIMO for Near-Field Integrated Sensing and Communications.
EUSIPCO
Ioannis Gavras, Md Atiqul Islam, Besma Smida, George C. Alexandropoulos
2023 J jnl
Full Duplex Holographic MIMO for Near-Field Integrated Sensing and Communications.
CoRR
Ioannis Gavras, Md Atiqul Islam, Besma Smida, George C. Alexandropoulos
2023 J jnl
Full-Duplex Wireless for 6G: Progress Brings New Opportunities and Challenges.
CoRR
Besma Smida, Ashutosh Sabharwal, Gábor Fodor, George C. Alexandropoulos, Himal A. Suraweera, Chan-Byoung Chae
2023 J jnl
Full-Duplex Wireless for 6G: Progress Brings New Opportunities and Challenges.
IEEE J. Sel. Areas Commun.
Besma Smida, Ashutosh Sabharwal, Gábor Fodor, George C. Alexandropoulos, Himal A. Suraweera, Chan-Byoung Chae
2023 — conf
Full-Duplex-Enabled Joint Communications and Sensing with Reconfigurable Intelligent Surfaces.
EUSIPCO
Chandan Kumar Sheemar, George C. Alexandropoulos, Dirk Slock, Jorge Querol, Symeon Chatzinotas
2023 J jnl
Full-Duplex-Enabled Joint Communications and Sensing with Reconfigurable Intelligent Surfaces.
CoRR
Chandan Kumar Sheemar, George C. Alexandropoulos, Dirk Slock, Jorge Querol, Symeon Chatzinotas
2023 J jnl
Guest Editorial Full Duplex and its Applications.
IEEE J. Sel. Areas Commun.
Besma Smida, Ashutosh Sabharwal, Gábor Fodor, George C. Alexandropoulos, Himal A. Suraweera, Chan-Byoung Chae
2023 J jnl
Guest Editorial: 5G Advanced.
IEEE Commun. Stand. Mag.
Andreas Kunz, Konstantinos Samdanis, George C. Alexandropoulos, JaeSeung Song, Tarik Taleb
2023 J jnl
Indexed Multiple Access with Reconfigurable Intelligent Surfaces: The Reflection Tuning Potential.
CoRR
Rohit Singh, Aryan Kaushik, Wonjae Shin, George C. Alexandropoulos, Mesut Toka, Marco Di Renzo
2023 J jnl
Integrated Sensing and Communications With Reconfigurable Intelligent Surfaces: From signal modeling to processing.
IEEE Signal Process. Mag.
Sundeep Prabhakar Chepuri, Nir Shlezinger, Fan Liu, George C. Alexandropoulos, Stefano Buzzi, Yonina C. Eldar
2023 J jnl
Iterative Interference Cancellation for Time Reversal Division Multiple Access.
IEEE Access
Ali Mokh, George C. Alexandropoulos, Mohamed Kamoun, Abdelwaheb Ourir, Arnaud Tourin, Mathias Fink, Julien de Rosny
2023 J jnl
Iterative Interference Cancellation for Time Reversal Division Multiple Access.
CoRR
Ali Mokh, George C. Alexandropoulos, Mohamed Kamoun, Abdelwaheb Ourir, Arnaud Tourin, Mathias Fink, Julien de Rosny
2023 Misc conf
Joint Channel and Direction Estimation for Ground-to-UAV Communications Enabled by a Simultaneous Reflecting and Sensing RIS.
ICASSP
Jiguang He, Aymen Fakhreddine, George C. Alexandropoulos
2023 J jnl
Jointly Optimal RIS Placement and Power Allocation for Underlay D2D Communications: An Outage Probability Minimization Approach.
CoRR
Sarbani Ghose, Deepak Mishra, Santi P. Maity, George C. Alexandropoulos
2023 J jnl
Leveraging RIS-Enabled Smart Signal Propagation for Solving Infeasible Localization Problems: Scenarios, Key Research Directions, and Open Challenges.
IEEE Veh. Technol. Mag.
Kamran Keykhosravi, Benoît Denis, George C. Alexandropoulos, Zhongxia Simon He, Antonio Albanese, Vincenzo Sciancalepore, Henk Wymeersch
2023 Misc conf
Lyapunov-Driven Deep Reinforcement Learning for Edge Inference Empowered by Reconfigurable Intelligent Surfaces.
ICASSP
Kyriakos Stylianopoulos, Mattia Merluzzi, Paolo Di Lorenzo, George C. Alexandropoulos
2023 J jnl
Lyapunov-Driven Deep Reinforcement Learning for Edge Inference Empowered by Reconfigurable Intelligent Surfaces.
CoRR
Kyriakos Stylianopoulos, Mattia Merluzzi, Paolo Di Lorenzo, George C. Alexandropoulos
2023 J jnl
Massive Access of Static and Mobile Users via Reconfigurable Intelligent Surfaces: Protocol Design and Performance Analysis.
CoRR
Xuelin Cao, Bo Yang, Chongwen Huang, George C. Alexandropoulos, Chau Yuen, Zhu Han, H. Vincent Poor, Lajos Hanzo
2023 Misc conf
Multi-Target Two-way Integrated Sensing and Communications with Full Duplex MIMO Radios.
ACSSC
Muhammad Talha, Besma Smida, Md Atiqul Islam, George C. Alexandropoulos
2023 J jnl
On the Performance Analysis of RIS-Empowered Communications Over Nakagami-m Fading.
CoRR
Dimitrios Selimis, Kostas P. Peppas, George C. Alexandropoulos, Fotis I. Lazarakis
2023 J jnl
On the Tacit Linearity Assumption in Common Cascaded Models of RIS-Parametrized Wireless Channels.
CoRR
Antonin Rabault, Luc Le Magoarou, Jérôme Sol, George C. Alexandropoulos, Nir Shlezinger, H. Vincent Poor, Philipp del Hougne
2023 — conf
Performance Analysis of RIS-Aided Two-Way Communications Under Hardware Impairments and Rayleigh Fading.
ANTS
Suneel Yadav, Radhika Gour, George C. Alexandropoulos, Devendra Singh Gurjar
2023 J jnl
Performance of RIS-aided near-field localization under beams approximation from real hardware characterization.
EURASIP J. Wirel. Commun. Netw.
Moustafa Rahal, Benoît Denis, Kamran Keykhosravi, Musa Furkan Keskin, Bernard Uguen, George C. Alexandropoulos, Henk Wymeersch
2023 J jnl
PhysFad: Physics-Based End-to-End Channel Modeling of RIS-Parametrized Environments With Adjustable Fading.
IEEE Trans. Wirel. Commun.
Rashid Faqiri, Chloé Saigre-Tardif, George C. Alexandropoulos, Nir Shlezinger, Mohammadreza F. Imani, Philipp del Hougne
2023 J jnl
Power Minimizing MEC Offloading with QoS Constraints over RIS-Empowered Communications.
CoRR
Mattia Merluzzi, Francesca Costanzo, Konstantinos D. Katsanos, George C. Alexandropoulos, Paolo Di Lorenzo
2023 J jnl
Progressive Channel Estimation for Single-Carrier Communications Aided by Reconfigurable Intelligent Surfaces.
IEEE Wirel. Commun. Lett.
Qi Zheng, Miaowen Wen, Qiang Li, George C. Alexandropoulos, Lexi Xu
2023 — conf
RIS Position and Orientation Estimation via Multi-Carrier Transmissions and Multiple Receivers.
ICC
Reza Ghazalian, Hui Chen, George C. Alexandropoulos, Gonzalo Seco-Granados, Henk Wymeersch, Riku Jäntti
2023 Misc conf
RIS Reflection and Placement Optimisation for Underlay D2D Communications in Cognitive Cellular Networks.
ICASSP
Sarbani Ghose, Deepak Mishra, Santi P. Maity, George C. Alexandropoulos
2023 — conf
RIS-Aided Monostatic Sensing and Object Detection with Single and Double Bounce Multipath.
ICC Workshops
Hyowon Kim, Alessio Fascista, Hui Chen, Yu Ge, George C. Alexandropoulos, Gonzalo Seco-Granados, Henk Wymeersch
2023 J jnl
RIS-Enabled Smart Wireless Environments: Deployment Scenarios, Network Architecture, Bandwidth and Area of Influence.
CoRR
George C. Alexandropoulos, Dinh-Thuy Phan-Huy, Konstantinos D. Katsanos, Maurizio Crozzoli, Henk Wymeersch, Petar Popovski, Philippe Ratajczak, Yohann Bénédic, Marie-Hélène Hamon, Sebastien Herraiz Gonzalez, Placido Mursia, Marco Rossanese, Vincenzo Sciancalepore, Jean-Baptiste Gros, Sergio Terranova, Gabriele Gradoni, Paolo Di Lorenzo, Moustafa Rahal, Benoît Denis, Raffaele D'Errico, Antonio Clemente, Emilio Calvanese Strinati
2023 J jnl
RIS-enabled smart wireless environments: deployment scenarios, network architecture, bandwidth and area of influence.
EURASIP J. Wirel. Commun. Netw.
George C. Alexandropoulos, Dinh-Thuy Phan-Huy, Konstantinos D. Katsanos, Maurizio Crozzoli, Henk Wymeersch, Petar Popovski, Philippe Ratajczak, Yohann Bénédic, Marie-Hélène Hamon, Sebastien Herraiz Gonzalez, Placido Mursia, Marco Rossanese, Vincenzo Sciancalepore, Jean-Baptiste Gros, Sergio Terranova, Gabriele Gradoni, Paolo Di Lorenzo, Moustafa Rahal, Benoît Denis, Raffaele D'Errico, Antonio Clemente, Emilio Calvanese Strinati
2023 J jnl
RISs and Sidelink Communications in Smart Cities: The Key to Seamless Localization and Sensing.
IEEE Commun. Mag.
Hui Chen, Hyowon Kim, Mustafa Ammous, Gonzalo Seco-Granados, George C. Alexandropoulos, Shahrokh Valaee, Henk Wymeersch
2023 J jnl
Reconfigurable Intelligent Computational Surfaces: When Wave Propagation Control Meets Computing.
IEEE Wirel. Commun.
Bo Yang, Xuelin Cao, Jindan Xu, Chongwen Huang, George C. Alexandropoulos, Linglong Dai, Mérouane Debbah, H. Vincent Poor, Chau Yuen
2023 J jnl
Reconfigurable Intelligent Surfaces and Capacity Optimization: A Large System Analysis.
IEEE Trans. Wirel. Commun.
Aris L. Moustakas, George C. Alexandropoulos, Mérouane Debbah
2023 J jnl
Reconfigurable Intelligent Surfaces for 6G: Emerging Hardware Architectures, Applications, and Open Challenges.
CoRR
Ertugrul Basar, George C. Alexandropoulos, Yuanwei Liu, Qingqing Wu, Shi Jin, Chau Yuen, Octavia A. Dobre, Robert Schober
2023 J jnl
Reconfiguring wireless environments via intelligent surfaces for 6G: reflection, modulation, and security.
Sci. China Inf. Sci.
Jindan Xu, Chau Yuen, Chongwen Huang, Naveed Ul Hassan, George C. Alexandropoulos, Marco Di Renzo, Mérouane Debbah
2023 — conf
Reinforcement-Learning-Based UAV Utility Maximization for Offloading Cellular Communication Systems.
ICC Workshops
Abhishek Mondal, Deepak Mishra, Ganesh Prasad, George C. Alexandropoulos, Ashraf Hossain
2023 J jnl
Robust Holographic mmWave Beamforming by Self-Supervised Hybrid Deep Learning.
CoRR
Fenghao Zhu, Bohao Wang, Zhaohui Yang, Chongwen Huang, Zhaoyang Zhang, George C. Alexandropoulos, Chau Yuen, Mérouane Debbah
2023 — conf
Robust Millimeter Beamforming via Self-Supervised Hybrid Deep Learning.
EUSIPCO
Fenghao Zhu, Bohao Wang, Zhaohui Yang, Chongwen Huang, Zhaoyang Zhang, George C. Alexandropoulos, Chau Yuen, Mérouane Debbah
2023 J jnl
STAR-RIS-enabled simultaneous indoor and outdoor 3D localisation: Theoretical analysis and algorithmic design.
IET Signal Process.
Jiguang He, Aymen Fakhreddine, George C. Alexandropoulos
2023 — conf
Secrecy Rate Maximization in RIS-Enabled OFDM Wireless Communications: The Circuit-Based Reflection Model Case.
ICC Workshops
Dimitris Kompostiotis, Dimitris Vordonis, Vassilis Paliouras, George C. Alexandropoulos
2023 — conf
Spatial Secrecy Spectral Efficiency Optimization Enabled by Reconfigurable Intelligent Surfaces.
EUSIPCO
Konstantinos D. Katsanos, George C. Alexandropoulos
2023 J jnl
Spatial Secrecy Spectral Efficiency Optimization Enabled by Reconfigurable Intelligent Surfaces.
CoRR
Konstantinos D. Katsanos, George C. Alexandropoulos
2023 J jnl
Stacked Intelligent Metasurfaces for Efficient Holographic MIMO Communications in 6G.
CoRR
Jiancheng An, Chao Xu, Derrick Wing Kwan Ng, George C. Alexandropoulos, Chongwen Huang, Chau Yuen, Lajos Hanzo
2023 J jnl
Stacked Intelligent Metasurfaces for Efficient Holographic MIMO Communications in 6G.
IEEE J. Sel. Areas Commun.
Jiancheng An, Chao Xu, Derrick Wing Kwan Ng, George C. Alexandropoulos, Chongwen Huang, Chau Yuen, Lajos Hanzo
2023 J jnl
Time-Domain Channel Estimation for Extremely Large MIMO THz Communications with Beam Squint.
CoRR
Evangelos Vlachos, Aryan Kaushik, Yonina C. Eldar, George C. Alexandropoulos
2023 J jnl
Tri-Polarized Holographic MIMO Surfaces for Near-Field Communications: Channel Modeling and Precoding Design.
IEEE Trans. Wirel. Commun.
Li Wei, Chongwen Huang, George C. Alexandropoulos, Zhaohui Yang, Jun Yang, Wei E. I. Sha, Zhaoyang Zhang, Mérouane Debbah, Chau Yuen
2023 J jnl
WiThRay: A Versatile Ray-Tracing Simulator for Smart Wireless Environments.
IEEE Access
Hyuckjin Choi, Jaeky Oh, Jaehoon Chung, George C. Alexandropoulos, Junil Choi
2023 J jnl
WiThRay: A Versatile Ray-Tracing Simulator for Smart Wireless Environments.
CoRR
Hyuckjin Choi, Jaehoon Chung, Jaeky Oh, George C. Alexandropoulos, Junil Choi
2022 J jnl
A New RIS Architecture With a Single Power Amplifier: Energy Efficiency and Error Performance Analysis.
IEEE Access
Recep A. Tasci, Fatih Kilinc, Ertugrul Basar, George C. Alexandropoulos
2022 Misc conf
ADMM-DAD Net: A Deep Unfolding Network for Analysis Compressed Sensing.
ICASSP
Vasiliki Kouni, Georgios Paraskevopoulos, Holger Rauhut, George C. Alexandropoulos
2022 — conf
Arbitrary Beam Pattern Approximation via RISs with Measured Element Responses.
EuCNC
Moustafa Rahal, Benoît Denis, Kamran Keykhosravi, Musa Furkan Keskin, Bernard Uguen, George C. Alexandropoulos, Henk Wymeersch
2022 J jnl
Channel Estimation with Hybrid Reconfigurable Intelligent Metasurfaces.
CoRR
Haiyang Zhang, Nir Shlezinger, George C. Alexandropoulos, Idban Alamzadeh, Mohammadreza F. Imani, Yonina C. Eldar
2022 — conf
Channel Tracking for RIS-Enabled Multi-User SIMO Systems in Time-Varying Wireless Channels.
ICC Workshops
Jide Yuan, George C. Alexandropoulos, Eleftherios Kofidis, Tobias Lindstrøm Jensen, Elisabeth de Carvalho
2022 — conf
Combining Relaying and Reflective Surfaces: Power Consumption and Energy Efficiency Analysis.
GLOBECOM (Workshops)
Zaid Abdullah, George C. Alexandropoulos, Steven Kisseleff, Symeon Chatzinotas, Björn E. Ottersten
2022 J jnl
Combining Relaying and Reflective Surfaces: Power Consumption and Energy Efficiency Analysis.
CoRR
Zaid Abdullah, George C. Alexandropoulos, Steven Kisseleff, Symeon Chatzinotas, Björn E. Ottersten
2022 J jnl
Counteracting Eavesdropper Attacks Through Reconfigurable Intelligent Surfaces: A New Threat Model and Secrecy Rate Optimization.
CoRR
George C. Alexandropoulos, Konstantinos D. Katsanos, Miaowen Wen, Daniel B. da Costa
2022 J jnl
Cyclic-Prefixed Single-Carrier Transmission for RIS-Empowered Broadband Wireless Systems.
CoRR
Qiang Li, Miaowen Wen, Ertugrul Basar, George C. Alexandropoulos, Kyeong Jin Kim, H. Vincent Poor
2022 — conf
Cyclic-Prefixed Single-Carrier Transmission with Reconfigurable Intelligent Surfaces.
EuCNC
Qiang Li, Miaowen Wen, Ertugrul Basar, George C. Alexandropoulos, Kyeong Jin Kim, H. Vincent Poor
2022 J jnl
DDU-Net: Dual-Decoder-U-Net for Road Extraction Using High-Resolution Remote Sensing Images.
CoRR
Ying Wang, Yuexing Peng, Xinran Liu, Wei Li, George C. Alexandropoulos, Junchuan Yu, Daqing Ge, Wei Xiang
2022 J jnl
DDU-Net: Dual-Decoder-U-Net for Road Extraction Using High-Resolution Remote Sensing Images.
IEEE Trans. Geosci. Remote. Sens.
Ying Wang, Yuexing Peng, Wei Li, George C. Alexandropoulos, Junchuan Yu, Daqing Ge, Wei Xiang
2022 — conf
Deep Contextual Bandits for Orchestrating Multi-User MISO Systems with Multiple RISs.
ICC
Kyriakos Stylianopoulos, George C. Alexandropoulos, Chongwen Huang, Chau Yuen, Mehdi Bennis, Mérouane Debbah
2022 J jnl
Deep Contextual Bandits for Orchestrating Multi-User MISO Systems with Multiple RISs.
CoRR
Kyriakos Stylianopoulos, George C. Alexandropoulos, Chongwen Huang, Chau Yuen, Mehdi Bennis, Mérouane Debbah
2022 Misc conf
Deep-Learning-Assisted Configuration of Reconfigurable Intelligent Surfaces in Dynamic Rich-Scattering Environments.
ICASSP
Kyriakos Stylianopoulos, Nir Shlezinger, Philipp del Hougne, George C. Alexandropoulos
2022 J jnl
Deep-Learning-Assisted Configuration of Reconfigurable Intelligent Surfaces in Dynamic rich-scattering Environments.
CoRR
Kyriakos Stylianopoulos, Nir Shlezinger, Philipp del Hougne, George C. Alexandropoulos
2022 J jnl
Differential Data-Aided Beam Training for RIS-Empowered Multi-Antenna Communications.
IEEE Access
Kun Chen Hu, George C. Alexandropoulos, Ana García Armada
2022 — conf
Distributed Sum-Rate Maximization of Cellular Communications with Multiple Reconfigurable Intelligent Surfaces.
SPAWC
Konstantinos D. Katsanos, Paolo Di Lorenzo, George C. Alexandropoulos
2022 J jnl
Distributed Sum-Rate Maximization of Cellular Communications with Multiple Reconfigurable Intelligent Surfaces.
CoRR
Konstantinos D. Katsanos, Paolo Di Lorenzo, George C. Alexandropoulos
2022 J jnl
Dynamic resource allocation schemes for eMBB and URLLC services in 5G wireless networks.
Intell. Converged Networks
Xianghui Han, Kai Xiao, Ruiqi Liu, Xing Liu, George C. Alexandropoulos, Shi Jin
2022 — conf
End-to-End Fading Channel Modeling for RIS-Empowered Smart Wireless Environments.
GLOBECOM (Workshops)
Rashid Faqiri, Chloé Saigre-Tardif, George C. Alexandropoulos, Nir Shlezinger, Mohammadreza F. Imani, Philipp del Hougne
2022 — conf
Experimental Validation of Time Reversal Multiple Access for UWB Wireless Communications Centered at the 273 GHz Frequency.
VTC Spring
Ali Mokh, Julien de Rosny, George C. Alexandropoulos, Mohamed Kamoun, Abdelwaheb Ourir, Ramin Khayatzadeh, Arnaud Tourin, Mathias Fink
2022 J jnl
Experimental Validation of Time Reversal Multiple Access for UWB Wireless Communications Centered at the 273 GHz Frequency.
CoRR
Ali Mokh, Julien de Rosny, George C. Alexandropoulos, Mohamed Kamoun, Abdelwaheb Ourir, Ramin Khayatzadeh, Arnaud Tourin, Mathias Fink
2022 J jnl
Full Duplex Massive MIMO Architectures: Recent Advances, Applications, and Future Directions.
CoRR
George C. Alexandropoulos, Md Atiqul Islam, Besma Smida
2022 J jnl
Full-Duplex Massive Multiple-Input, Multiple-Output Architectures: Recent Advances, Applications, and Future Directions.
IEEE Veh. Technol. Mag.
George C. Alexandropoulos, Md Atiqul Islam, Besma Smida
2022 J jnl
Guest Editorial Special Issue on Communications and Computing for Green Industrial IoT and Smart Grids.
IEEE Trans. Green Commun. Netw.
Melike Erol-Kantarci, George C. Alexandropoulos, Peter Han Joo Chong, Andrea M. Tonello, Yan Zhang
2022 J jnl
Holographic MIMO Communications: Theoretical Foundations, Enabling Technologies, and Future Directions.
CoRR
Tierui Gong, Ioanna Vinieratou, Ran Ji, Chongwen Huang, George C. Alexandropoulos, Li Wei, Zhaoyang Zhang, Mérouane Debbah, H. Vincent Poor, Chau Yuen
2022 — conf
How Can Reconfigurable Intelligent Surfaces Drive 5G-Advanced Wireless Networks: A Standardization Perspective.
ICCC Workshops
Ruiqi Liu, George C. Alexandropoulos, Qingqing Wu, Mengnan Jian, Yuanwei Liu
2022 — conf
Integrated Sensing and Communication with Millimeter Wave Full Duplex Hybrid Beamforming.
ICC
Md Atiqul Islam, George C. Alexandropoulos, Besma Smida
2022 J jnl
Integrated Sensing and Communication with Millimeter Wave Full Duplex Hybrid Beamforming.
CoRR
Md Atiqul Islam, George C. Alexandropoulos, Besma Smida
2022 J jnl
Joint Analog and Digital Transceiver Design for Wideband Full Duplex MIMO Systems.
IEEE Trans. Wirel. Commun.
Md Atiqul Islam, George C. Alexandropoulos, Besma Smida
2022 J jnl
Joint Channel Estimation and Signal Recovery for RIS-Empowered Multiuser Communications.
IEEE Trans. Commun.
Li Wei, Chongwen Huang, Qinghua Guo, Zhaohui Yang, Zhaoyang Zhang, George C. Alexandropoulos, Mérouane Debbah, Chau Yuen
2022 J jnl
Localization via Multiple Reconfigurable Intelligent Surfaces Equipped With Single Receive RF Chains.
IEEE Wirel. Commun. Lett.
George C. Alexandropoulos, Ioanna Vinieratou, Henk Wymeersch
2022 J jnl
Localization via Multiple Reconfigurable Intelligent Surfaces Equipped with Single Receive RF Chains.
CoRR
George C. Alexandropoulos, Ioanna Vinieratou, Henk Wymeersch
2022 J jnl
Low-to-Zero-Overhead IRS Reconfiguration: Decoupling Illumination and Channel Estimation.
IEEE Commun. Lett.
Vahid Jamali, George C. Alexandropoulos, Robert Schober, H. Vincent Poor
2022 J jnl
Massive Access of Static and Mobile Users via Reconfigurable Intelligent Surfaces: Protocol Design and Performance Analysis.
IEEE J. Sel. Areas Commun.
Xuelin Cao, Bo Yang, Chongwen Huang, George C. Alexandropoulos, Chau Yuen, Zhu Han, H. Vincent Poor, Lajos Hanzo
2022 J jnl
Multi-User Holographic MIMO Surfaces: Channel Modeling and Spectral Efficiency Analysis.
IEEE J. Sel. Top. Signal Process.
Li Wei, Chongwen Huang, George C. Alexandropoulos, Wei E. I. Sha, Zhaoyang Zhang, Mérouane Debbah, Chau Yuen
2022 — conf
Multi-User Wireless Communications with Holographic MIMO Surfaces: A Convenient Channel Model and Spectral Efficiency Analysis.
EuCNC
Li Wei, Chongwen Huang, George C. Alexandropoulos, Wei E. I. Sha, Zhaoyang Zhang, Mérouane Debbah, Chau Yuen
2022 J jnl
Multi-User Wireless Communications with Holographic MIMO Surfaces: A Convenient Channel Model and Spectral Efficiency Analysis.
CoRR
Li Wei, Chongwen Huang, George C. Alexandropoulos, Wei E. I. Sha, Zhaoyang Zhang, Mérouane Debbah, Chau Yuen
2022 — conf
Near-Field Hierarchical Beam Management for RIS-Enabled Millimeter Wave Multi-Antenna Systems.
SAM
George C. Alexandropoulos, Vahid Jamali, Robert Schober, H. Vincent Poor
2022 J jnl
Near-Field Hierarchical Beam Management for RIS-Enabled Millimeter Wave Multi-Antenna Systems.
CoRR
George C. Alexandropoulos, Vahid Jamali, Robert Schober, H. Vincent Poor
2022 J jnl
Near-Field Wideband Extremely Large-scale MIMO Transmission with Holographic Metasurface Antennas.
CoRR
Jie Xu, Li You, George C. Alexandropoulos, Xinping Yi, Wenjin Wang, Xiqi Gao
2022 J jnl
Next Generation Reconfigurable MetaSurfaces: When Wave Propagation Control Meets Computing.
CoRR
Bo Yang, Xuelin Cao, Chongwen Huang, George C. Alexandropoulos, Linglong Dai, Mérouane Debbah, H. Vincent Poor, Chau Yuen
2022 B conf
Non-Coherent MIMO-OFDM Uplink empowered by the Spatial Diversity in Reflecting Surfaces.
WCNC
Kun Chen Hu, George C. Alexandropoulos, Ana García Armada
2022 — conf
Online RIS Configuration Learning for Arbitrary Large Numbers of 1-Bit Phase Resolution Elements.
SPAWC
Kyriakos Stylianopoulos, George C. Alexandropoulos
2022 J jnl
Online RIS Configuration Learning for Arbitrary Large Numbers of 1-Bit Phase Resolution Elements.
CoRR
Kyriakos Stylianopoulos, George C. Alexandropoulos
2022 J jnl
Pervasive Machine Learning for Smart Radio Environments Enabled by Reconfigurable Intelligent Surfaces.
CoRR
George C. Alexandropoulos, Kyriakos Stylianopoulos, Chongwen Huang, Chau Yuen, Mehdi Bennis, Mérouane Debbah
2022 J jnl
Pervasive Machine Learning for Smart Radio Environments Enabled by Reconfigurable Intelligent Surfaces.
Proc. IEEE
George C. Alexandropoulos, Kyriakos Stylianopoulos, Chongwen Huang, Chau Yuen, Mehdi Bennis, Mérouane Debbah
2022 J jnl
PhysFad: Physics-Based End-to-End Channel Modeling of RIS-Parametrized Environments with Adjustable Fading.
CoRR
Rashid Faqiri, Chloé Saigre-Tardif, George C. Alexandropoulos, Nir Shlezinger, Mohammadreza F. Imani, Philipp del Hougne
2022 B conf
Power Minimizing MEC Offloading with QoS Constraints over RIS-Empowered Communications.
GLOBECOM
Mattia Merluzzi, Francesca Costanzo, Konstantinos D. Katsanos, George C. Alexandropoulos, Paolo Di Lorenzo
2022 J jnl
RIS-Aided Wireless Communications: Extra Degrees of Freedom via Rotation and Location Optimization.
CoRR
Yajun Cheng, Wei Peng, Chongwen Huang, George C. Alexandropoulos, Chau Yuen, Mérouane Debbah
2022 J jnl
RIS-Aided Wireless Communications: Extra Degrees of Freedom via Rotation and Location Optimization.
IEEE Trans. Wirel. Commun.
Yajun Cheng, Wei Peng, Chongwen Huang, George C. Alexandropoulos, Chau Yuen, Mérouane Debbah
2022 — conf
RIS-Enabled Self-Localization: Leveraging Controllable Reflections With Zero Access Points.
ICC
Kamran Keykhosravi, Gonzalo Seco-Granados, George C. Alexandropoulos, Henk Wymeersch
2022 J jnl
Reconfigurable Intelligent Surfaces and Capacity Optimization: A Large System Analysis.
CoRR
Aris L. Moustakas, George C. Alexandropoulos, Mérouane Debbah
2022 J jnl
Reconfigurable Intelligent Surfaces for Wireless Communications: Overview of Hardware Designs, Channel Models, and Estimation Techniques.
CoRR
Mengnan Jian, George C. Alexandropoulos, Ertugrul Basar, Chongwen Huang, Ruiqi Liu, Yuanwei Liu, Chau Yuen
2022 J jnl
Reconfigurable intelligent surfaces for wireless communications: Overview of hardware designs, channel models, and estimation techniques.
Intell. Converged Networks
Mengnan Jian, George C. Alexandropoulos, Ertugrul Basar, Chongwen Huang, Ruiqi Liu, Yuanwei Liu, Chau Yuen
2022 J jnl
Reconfiguring Wireless Environment via Intelligent Surfaces for 6G: Reflection, Modulation, and Security.
CoRR
Jindan Xu, Chau Yuen, Chongwen Huang, Naveed Ul Hassan, George C. Alexandropoulos, Marco Di Renzo, Mérouane Debbah
2022 C conf
Secrecy Spectral Efficiency Optimization in RIS-Enabled MIMO Communication Systems.
VLSI-SoC
Konstantinos D. Katsanos, George C. Alexandropoulos
2022 — conf
Simultaneous Indoor and Outdoor 3D Localization with STAR-RIS-Assisted Millimeter Wave Systems.
VTC Fall
Jiguang He, Aymen Fakhreddine, George C. Alexandropoulos
2022 — conf
Simultaneous Multi-User MIMO Communications and Multi-Target Tracking with Full Duplex Radios.
GLOBECOM (Workshops)
Md Atiqul Islam, George C. Alexandropoulos, Besma Smida
2022 J jnl
Simultaneous Multi-User MIMO Communications and Multi-Target Tracking with Full Duplex Radios.
CoRR
Md Atiqul Islam, George C. Alexandropoulos, Besma Smida
2022 B conf
Simultaneous RIS Tuning and Differential Data Transmission for MISO OFDM Wireless Systems.
GLOBECOM
Kun Chen-Hu, George C. Alexandropoulos, Ana García Armada
2022 — conf
Smart Wireless Environments Enabled by RISs: Deployment Scenarios and Two Key Challenges.
EuCNC
George C. Alexandropoulos, Maurizio Crozzoli, Dinh-Thuy Phan-Huy, Konstantinos D. Katsanos, Henk Wymeersch, Petar Popovski, Philippe Ratajczak, Yohann Bénédic, Marie-Hélène Hamon, Sebastien Herraiz Gonzalez, Raffaele D'Errico, Emilio Calvanese Strinati
2022 J jnl
Smart Wireless Environments Enabled by RISs: Deployment Scenarios and Two Key Challenges.
CoRR
George C. Alexandropoulos, Maurizio Crozzoli, Dinh-Thuy Phan-Huy, Konstantinos Katsanos, Henk Wymeersch, Petar Popovski, Philippe Ratajczak, Yohann Bénédic, Marie-Hélène Hamon, Sebastien Herraiz Gonzalez, Raffaele D'Errico, Emilio Calvanese Strinati
2022 J jnl
Special Issue on Optimization of Cross-layer Collaborative Resource Allocation for Mobile Edge Computing, Caching and Communication.
Comput. Commun.
Shaohua Wan, Remigiusz Wisniewski, George C. Alexandropoulos, Zonghua Gu, Pierluigi Siano
2022 J jnl
Special issue on aerial access networks for 6G.
J. Commun. Networks
Hongliang Zhang, Zhu Han, George C. Alexandropoulos, Nguyen Hoang Tran
2022 J jnl
Tensor-based Channel Tracking for RIS-Empowered Multi-User MIMO Wireless Systems.
CoRR
Jide Yuan, George C. Alexandropoulos, Eleftherios Kofidis, Tobias Lindstrøm Jensen, Elisabeth de Carvalho
2022 J jnl
Time Reversal Precoding at SubTHz Frequencies: Experimental Results on Spatiotemporal Focusing.
CoRR
Ali Mokh, Julien de Rosny, George C. Alexandropoulos, Ramin Khayatzadeh, Abdelwaheb Ourir, Mohamed Kamoun, Arnaud Tourin, Mathias Fink
2022 J jnl
Time Reversal for 6G Spatiotemporal Focusing: Recent Experiments, Opportunities, and Challenges.
CoRR
George C. Alexandropoulos, Ali Mokh, Ramin Khayatzadeh, Julien de Rosny, Mohamed Kamoun, Abdelwaheb Ourir, Arnaud Tourin, Mathias Fink, Mérouane Debbah
2022 J jnl
Time Reversal for 6G Spatiotemporal Focusing: Recent Experiments, Opportunities, and Challenges.
IEEE Veh. Technol. Mag.
George C. Alexandropoulos, Ali Mokh, Ramin Khayatzadeh, Julien de Rosny, Mohamed Kamoun, Abdelwaheb Ourir, Arnaud Tourin, Mathias Fink, Mérouane Debbah
2022 B conf
Time Reversal for Multiple Access and Mobility: Algorithmic Design and Experimental Results.
WCNC
Ali Mokh, Julien de Rosny, George C. Alexandropoulos, Ramin Khayatzadeh, Mohamed Kamoun, Abdelwaheb Ourir, Arnaud Tourin, Mathias Fink
2022 J jnl
Time Reversal for Multiple Access and Mobility: Algorithmic Design and Experimental Results.
CoRR
Ali Mokh, Julien de Rosny, George C. Alexandropoulos, Ramin Khayatzadeh, Mohamed Kamoun, Abdelwaheb Ourir, Arnaud Tourin, Mathias Fink
2022 J jnl
Tri-Polarized Holographic MIMO Surface in Near-Field: Channel Modeling and Precoding Design.
CoRR
Li Wei, Chongwen Huang, George C. Alexandropoulos, Zhaohui Yang, Jun Yang, Wei E. I. Sha, Zhaoyang Zhang, Mérouane Debbah, Chau Yuen
2022 — conf
Wideband Multi-User MIMO Communications with Frequency Selective RISs: Element Response Modeling and Sum-Rate Maximization.
ICC Workshops
Konstantinos D. Katsanos, Nir Shlezinger, Mohammadreza F. Imani, George C. Alexandropoulos
2022 J jnl
Wideband Multi-User MIMO Communications with Frequency Selective RISs: Element Response Modeling and Sum-Rate Maximization.
CoRR
Konstantinos Katsanos, Nir Shlezinger, Mohammadreza F. Imani, George C. Alexandropoulos
2021 J jnl
ADMM-DAD net: a deep unfolding network for analysis compressed sensing.
CoRR
Vasiliki Kouni, Georgios Paraskevopoulos, Holger Rauhut, George C. Alexandropoulos
2021 B conf
Capacity Optimization using Reconfigurable Intelligent Surfaces: A Large System Approach.
GLOBECOM
Aris L. Moustakas, George C. Alexandropoulos, Mérouane Debbah
2021 J jnl
Capacity Optimization using Reconfigurable Intelligent Surfaces: A Large System Approach.
CoRR
Aris L. Moustakas, George C. Alexandropoulos, Mérouane Debbah
2021 J jnl
Channel Estimation for RIS-Empowered Multi-User MISO Wireless Communications.
IEEE Trans. Commun.
Li Wei, Chongwen Huang, George C. Alexandropoulos, Chau Yuen, Zhaoyang Zhang, Mérouane Debbah
2021 — conf
Channel Estimation with Simultaneous Reflecting and Sensing Reconfigurable Intelligent Metasurfaces.
SPAWC
Haiyang Zhang, Nir Shlezinger, Idban Alamzadeh, George C. Alexandropoulos, Mohammadreza F. Imani, Yonina C. Eldar
2021 B conf
Direction-Assisted Beam Management in Full Duplex Millimeter Wave Massive MIMO Systems.
GLOBECOM
Md Atiqul Islam, George C. Alexandropoulos, Besma Smida
2021 J jnl
Direction-Assisted Beam Management in Full Duplex Millimeter Wave Massive MIMO Systems.
CoRR
Md Atiqul Islam, George C. Alexandropoulos, Besma Smida
2021 J jnl
Dynamic Metasurface Antennas for 6G Extreme Massive MIMO Communications.
IEEE Wirel. Commun.
Nir Shlezinger, George C. Alexandropoulos, Mohammadreza F. Imani, Yonina C. Eldar, David R. Smith
2021 J jnl
Dynamic Metasurface Antennas for Energy Efficient Massive MIMO Uplink Communications.
CoRR
Li You, Jie Xu, George C. Alexandropoulos, Jue Wang, Wenjin Wang, Xiqi Gao
2021 B conf
Dynamic Metasurface Antennas for Energy Efficient Uplink Massive MIMO Communications.
GLOBECOM
Jie Xu, Li You, George C. Alexandropoulos, Jue Wang, Wenjin Wang, Xiqi Gao
2021 J jnl
Hybrid RIS-Empowered Reflection and Decode-and-Forward Relaying for Coverage Extension.
IEEE Commun. Lett.
Ibrahim Yildirim, Fatih Kilinc, Ertugrul Basar, George C. Alexandropoulos
2021 J jnl
Hybrid Reconfigurable Intelligent Metasurfaces: Enabling Simultaneous Tunable Reflections and Sensing for 6G Wireless Communications.
CoRR
George C. Alexandropoulos, Nir Shlezinger, Idban Alamzadeh, Mohammadreza F. Imani, Haiyang Zhang, Yonina C. Eldar
2021 J jnl
IEEE TCCN Special Section Editorial: Intelligent Surfaces for Smart Wireless Communications.
IEEE Trans. Cogn. Commun. Netw.
Chau Yuen, George C. Alexandropoulos, Xiaojun Yuan, Marco Di Renzo, Mérouane Debbah
2021 J jnl
Joint Analog and Digital Transceiver Design for Wideband Full Duplex MIMO Systems.
CoRR
Md Atiqul Islam, George C. Alexandropoulos, Besma Smida
2021 B conf
Joint Channel Estimation and Signal Recovery in RIS-Assisted Multi-User MISO Communications.
WCNC
Li Wei, Chongwen Huang, George C. Alexandropoulos, Zhaohui Yang, Chau Yuen, Zhaoyang Zhang
2021 — conf
Jointly Learned Symbol Detection and Signal Reflection in RIS-Aided Multi-user MIMO Systems.
ACSCC
Liuhang Wang, Nir Shlezinger, George C. Alexandropoulos, Haiyang Zhang, Baoyun Wang, Yonina C. Eldar
2021 J jnl
Low-to-Zero-Overhead IRS Reconfiguration: Decoupling Illumination and Channel Estimation.
CoRR
Vahid Jamali, George C. Alexandropoulos, Robert Schober, H. Vincent Poor
2021 J jnl
Multi-Hop RIS-Empowered Terahertz Communications: A DRL-Based Hybrid Beamforming Design.
IEEE J. Sel. Areas Commun.
Chongwen Huang, Zhaohui Yang, George C. Alexandropoulos, Kai Xiong, Li Wei, Chau Yuen, Zhaoyang Zhang, Mérouane Debbah
2021 J jnl
Multi-User Holographic MIMO Surface: Channel Modeling and Spectral Efficiency Analysis.
CoRR
Li Wei, Chongwen Huang, George C. Alexandropoulos, Wei E. I. Sha, Zhaoyang Zhang, Mérouane Debbah, Chau Yuen
2021 J jnl
Multi-hop RIS-Empowered Terahertz Communications: A DRL-based Hybrid Beamforming Design.
CoRR
Chongwen Huang, Zhaohui Yang, George C. Alexandropoulos, Kai Xiong, Li Wei, Chau Yuen, Zhaoyang Zhang, Mérouane Debbah
2021 — conf
Near-field Localization with a Reconfigurable Intelligent Surface Acting as Lens.
ICC
Zohair Abu-Shaban, Kamran Keykhosravi, Musa Furkan Keskin, George C. Alexandropoulos, Gonzalo Seco-Granados, Henk Wymeersch
2021 J jnl
Non-Coherent Modulation for RIS-Empowered Multi-Antenna OFDM Communications.
CoRR
Kun Chen Hu, George C. Alexandropoulos, Ana García Armada
2021 J jnl
On the Performance Analysis of RIS-Empowered Communications Over Nakagami-m Fading.
IEEE Commun. Lett.
Dimitrios G. Selimis, Kostas P. Peppas, George C. Alexandropoulos, Fotis I. Lazarakis
2021 J jnl
Receive Quadrature Reflecting Modulation for RIS-Empowered Wireless Communications.
IEEE Trans. Veh. Technol.
Jing Yuan, Miaowen Wen, Qiang Li, Ertugrul Basar, George C. Alexandropoulos, Gaojie Chen
2021 J jnl
Reconfigurable Intelligent Surfaces With Reflection Pattern Modulation: Beamforming Design and Performance Analysis.
IEEE Trans. Wirel. Commun.
Shaoe Lin, Beixiong Zheng, George C. Alexandropoulos, Miaowen Wen, Marco Di Renzo, Fangjiong Chen
2021 J jnl
Reconfigurable Intelligent Surfaces for Rich Scattering Wireless Communications: Recent Experiments, Challenges, and Opportunities.
IEEE Commun. Mag.
George C. Alexandropoulos, Nir Shlezinger, Philipp del Hougne
2021 J jnl
Reconfigurable Intelligent Surfaces for Rich Scattering Wireless Communications: Recent Experiments, Challenges, and Opportunities.
CoRR
George C. Alexandropoulos, Nir Shlezinger, Philipp del Hougne
2021 J jnl
Reconfigurable, Intelligent, and Sustainable Wireless Environments for 6G Smart Connectivity.
IEEE Commun. Mag.
Emilio Calvanese Strinati, George C. Alexandropoulos, Henk Wymeersch, Benoît Denis, Vincenzo Sciancalepore, Raffaele D'Errico, Antonio Clemente, Dinh-Thuy Phan-Huy, Elisabeth de Carvalho, Petar Popovski
2021 J jnl
Reconfigurable, Intelligent, and SustainableWireless Environments for 6G Smart Connectivity.
CoRR
Emilio Calvanese Strinati, George C. Alexandropoulos, Henk Wymeersch, Benoît Denis, Vincenzo Sciancalepore, Raffaele D'Errico, Antonio Clemente, Dinh-Thuy Phan-Huy, Elisabeth de Carvalho, Petar Popovski
2021 — conf
Safeguarding MIMO Communications with Reconfigurable Metasurfaces and Artificial Noise.
ICC
George C. Alexandropoulos, Konstantinos Katsanos, Miaowen Wen, Daniel B. da Costa
2021 — conf
Self-Calibrating Indoor Localization with Crowdsourcing Fingerprints and Transfer Learning.
ICC
Chenlu Xiang, Shunqing Zhang, Shugong Xu, George C. Alexandropoulos
2021 J jnl
Space Shift Keying With Reconfigurable Intelligent Surfaces: Phase Configuration Designs and Performance Analysis.
IEEE Open J. Commun. Soc.
Qiang Li, Miaowen Wen, Shuai Wang, George C. Alexandropoulos, Yik-Chung Wu
2021 J jnl
Space Shift Keying with Reconfigurable Intelligent Surfaces: Phase Configuration Designs and Performance Analysis.
CoRR
Qiang Li, Miaowen Wen, Shuai Wang, George C. Alexandropoulos, Yik-Chung Wu
2021 — conf
Time Reversal Precoding at SubTHz Frequencies: Experimental Results on Spatiotemporal Focusing.
CSCN
Ali Mokh, Julien de Rosny, George C. Alexandropoulos, Ramin Khayatzadeh, Abdelwaheb Ourir, Mohamed Kamoun, Arnaud Tourin, Mathias Fink
2021 B conf
Uplink Beam Management for Millimeter Wave Cellular MIMO Systems with Hybrid Beamforming.
WCNC
George C. Alexandropoulos, Ioanna Vinieratou, Mattia Rebato, Luca Rose, Michele Zorzi
2021 J jnl
Uplink Beam Management for Millimeter Wave Cellular MIMO Systems with Hybrid Beamforming.
CoRR
George C. Alexandropoulos, Ioanna Vinieratou, Mattia Rebato, Luca Rose, Michele Zorzi
2021 J jnl
User Fairness in Wireless Powered Communication Networks With Non-Orthogonal Multiple Access.
IEEE Wirel. Commun. Lett.
Jair Alves de Carvalho, Daniel B. da Costa, Liang Yang, George C. Alexandropoulos, Rodolfo Oliveira, Ugo Silva Dias
2021 — conf
Wireless Environment as a Service Enabled by Reconfigurable Intelligent Surfaces: The RISE-6G Perspective.
EuCNC/6G Summit
Emilio Calvanese Strinati, George C. Alexandropoulos, Vincenzo Sciancalepore, Marco Di Renzo, Henk Wymeersch, Dinh-Thuy Phan-Huy, Maurizio Crozzoli, Raffaele D'Errico, Elisabeth de Carvalho, Petar Popovski, Paolo Di Lorenzo, Luca Bastianelli, Mathieu Belouar, Julien-Etienne Mascolo, Gabriele Gradoni, Sendy Phang, Geoffroy Lerosey, Benoît Denis
2021 J jnl
Wireless Environment as a Service Enabled by Reconfigurable Intelligent Surfaces: The RISE-6G Perspective.
CoRR
Emilio Calvanese Strinati, George C. Alexandropoulos, Vincenzo Sciancalepore, Marco Di Renzo, Henk Wymeersch, Dinh Thuy Phan Huy, Maurizio Crozzoli, Raffaele D'Errico, Elisabeth de Carvalho, Petar Popovski, Paolo Di Lorenzo, Luca Bastianelli, Mathieu Belouar, Julien-Etienne Mascolo, Gabriele Gradoni, Sendy Phang, Geoffroy Lerosey, Benoît Denis
2020 Misc conf
A Hardware Architecture For Reconfigurable Intelligent Surfaces with Minimal Active Elements for Explicit Channel Estimation.
ICASSP
George C. Alexandropoulos, Evangelos Vlachos
2020 J jnl
A Hardware Architecture for Reconfigurable Intelligent Surfaces with Minimal Active Elements for Explicit Channel Estimation.
CoRR
George C. Alexandropoulos, Evangelos Vlachos
2020 J jnl
Adaptive Transmission for Reconfigurable Intelligent Surface-Assisted OFDM Wireless Communications.
IEEE J. Sel. Areas Commun.
Shaoe Lin, Beixiong Zheng, George C. Alexandropoulos, Miaowen Wen, Fangjiong Chen, Shahid Mumtaz
2020 J jnl
Channel Estimation for RIS-Empowered Multi-User MISO Wireless Communications.
CoRR
Li Wei, Chongwen Huang, George C. Alexandropoulos, Chau Yuen, Zhaoyang Zhang, Mérouane Debbah
2020 J jnl
Dynamic Metasurface Antennas for 6G Extreme Massive MIMO Communications.
CoRR
Nir Shlezinger, George C. Alexandropoulos, Mohammadreza F. Imani, Yonina C. Eldar, David R. Smith
2020 — conf
Full Duplex Hybrid A/D Beamforming with Reduced Complexity Multi-Tap Analog Cancellation.
SPAWC
George C. Alexandropoulos, Md Atiqul Islam, Besma Smida
2020 J jnl
Full Duplex Hybrid A/D Beamforming with Reduced Complexity Multi-Tap Analog Cancellation.
CoRR
George C. Alexandropoulos, Md Atiqul Islam, Besma Smida
2020 — conf
Full Duplex MIMO Digital Beamforming with Reduced Complexity AUXTX Analog Cancellation.
ICC
Melissa Duarte, George C. Alexandropoulos
2020 J jnl
Holographic MIMO Surfaces for 6G Wireless Networks: Opportunities, Challenges, and Trends.
IEEE Wirel. Commun.
Chongwen Huang, Sha Hu, George C. Alexandropoulos, Alessio Zappone, Chau Yuen, Rui Zhang, Marco Di Renzo, Mérouane Debbah
2020 — conf
Hybrid Beamforming for RIS-Empowered Multi-hop Terahertz Communications: A DRL-based Method.
GLOBECOM (Workshops)
Chongwen Huang, Zhaohui Yang, George C. Alexandropoulos, Kai Xiong, Li Wei, Chau Yuen, Zhaoyang Zhang
2020 J jnl
Hybrid Beamforming for RIS-Empowered Multi-hop Terahertz Communications: A DRL-based Method.
CoRR
Chongwen Huang, Zhaohui Yang, George C. Alexandropoulos, Kai Xiong, Li Wei, Chau Yuen, Zhaoyang Zhang
2020 J jnl
Hybrid RIS-Empowered Reflection and Decode-and-Forward Relaying for Coverage Extension.
CoRR
Ibrahim Yildirim, Fatih Kilinc, Ertugrul Basar, George C. Alexandropoulos
2020 J jnl
Joint Channel Estimation and Signal Recovery in RIS-Assisted Multi-User MISO Communications.
CoRR
Li Wei, Chongwen Huang, George C. Alexandropoulos, Zhaohui Yang, Chau Yuen, Zhaoyang Zhang
2020 Misc conf
Joint Localization and Channel Estimation for UAV-Assisted Millimeter Wave Communications.
ACSSC
George C. Alexandropoulos, Evangelos Vlachos, Besma Smida
2020 B conf
Joint Passive Beamforming and Information Transfer for RIS-Empowered Wireless Communications.
GLOBECOM
Shaoe Lin, Beixiong Zheng, George C. Alexandropoulos, Miaowen Wen, Marco Di Renzo, Fangjiong Chen
2020 J jnl
Near-field Localization with a Reconfigurable Intelligent Surface Acting as Lens.
CoRR
Zohair Abu-Shaban, Kamran Keykhosravi, Musa Furkan Keskin, George C. Alexandropoulos, Gonzalo Seco-Granados, Henk Wymeersch
2020 — conf
Parallel Factor Decomposition Channel Estimation in RIS-Assisted Multi-User MISO Communication.
SAM
Li Wei, Chongwen Huang, George C. Alexandropoulos, Chau Yuen
2020 J jnl
Parallel Factor Decomposition Channel Estimation in RIS-Assisted Multi-User MISO Communication.
CoRR
Li Wei, Chongwen Huang, George C. Alexandropoulos, Chau Yuen
2020 — conf
Phase Configuration Learning in Wireless Networks with Multiple Reconfigurable Intelligent Surfaces.
GLOBECOM (Workshops)
George C. Alexandropoulos, Sumudu Samarakoon, Mehdi Bennis, Mérouane Debbah
2020 J jnl
Phase Configuration Learning in Wireless Networks with Multiple Reconfigurable Intelligent Surfaces.
CoRR
George C. Alexandropoulos, Sumudu Samarakoon, Mehdi Bennis, Mérouane Debbah
2020 B conf
Progressive Channel Estimation and Passive Beamforming for RIS-Assisted OFDM Systems.
GLOBECOM
Shaoe Lin, Beixiong Zheng, George C. Alexandropoulos, Miaowen Wen, Fangjiong Chen
2020 — conf
RCS-Based Flight Target Recognition using Deep Networks with Convolutional and Bidirectional GRU Layer.
ICIAI
Sirui Zhu, Yuexing Peng, George C. Alexandropoulos
2020 J jnl
Reconfigurable Intelligent Surfaces and Metamaterials: The Potential of Wave Propagation Control for 6G Wireless Communications.
CoRR
George C. Alexandropoulos, Geoffroy Lerosey, Mérouane Debbah, Mathias Fink
2020 J jnl
Reconfigurable Intelligent Surfaces with Reflection Pattern Modulation: Beamforming Design and Performance Analysis.
CoRR
Shaoe Lin, Beixiong Zheng, George C. Alexandropoulos, Miaowen Wen, Marco Di Renzo, Fangjiong Chen
2020 J jnl
Safeguarding MIMO Communications with Reconfigurable Metasurfaces and Artificial Noise.
CoRR
George C. Alexandropoulos, Konstantinos Katsanos, Miaowen Wen, Daniel B. da Costa
2020 Misc conf
Simultaneous Data Communication and Channel Estimation in Multi-User Full Duplex MIMO Systems.
ACSSC
Md Atiqul Islam, George C. Alexandropoulos, Besma Smida
2020 J jnl
Simultaneous Data Communication and Channel Estimation in Multi-User Full Duplex MIMO Systems.
CoRR
Md Atiqul Islam, George C. Alexandropoulos, Besma Smida
2020 — conf
Simultaneous Downlink Data Transmission and Uplink Channel Estimation with Reduced Complexity Full Duplex MIMO Radios.
ICC Workshops
Md Atiqul Islam, George C. Alexandropoulos, Besma Smida
2020 J jnl
Simultaneous Downlink Data Transmission and Uplink Channel Estimation with Reduced Complexity Full Duplex MIMO Radios.
CoRR
Md Atiqul Islam, George C. Alexandropoulos, Besma Smida
2020 Misc conf
Wideband Channel Tracking for Millimeter Wave Massive Mimo Systems with Hybrid Beamforming Reception.
ICASSP
George C. Alexandropoulos, Evangelos Vlachos, John S. Thompson
2019 B conf
A Unified Beamforming and A/D Self-Interference Cancellation Design for Full Duplex MIMO Radios.
PIMRC
Md Atiqul Islam, George C. Alexandropoulos, Besma Smida
2019 — conf
Aggressive RF Circuit Reduction Techniques in Millimeter Wave Cellular Systems.
ISWCS
Muhammad Ali Babar Abbasi, Harsh Tataria, Vincent F. Fusco, Michail Matthaiou, George C. Alexandropoulos
2019 — conf
Deep Learning for UL/DL Channel Calibration in Generic Massive MIMO Systems.
ICC
Chongwen Huang, George C. Alexandropoulos, Alessio Zappone, Chau Yuen, Mérouane Debbah
2019 J jnl
Deep Learning for UL/DL Channel Calibration in Generic Massive MIMO Systems.
CoRR
Chongwen Huang, George C. Alexandropoulos, Alessio Zappone, Chau Yuen, Mérouane Debbah
2019 J jnl
Holographic MIMO Surfaces for 6G Wireless Networks: Opportunities, Challenges, and Trends.
CoRR
Chongwen Huang, Sha Hu, George C. Alexandropoulos, Alessio Zappone, Chau Yuen, Rui Zhang, Marco Di Renzo, Mérouane Debbah
2019 — conf
Hybrid Beamforming with Random Analog Sampling for Wideband Channel Estimation in Millimeter Wave Massive MIMO Systems.
SPAWC
Evangelos Vlachos, George C. Alexandropoulos, John S. Thompson
2019 J jnl
Hybrid Processing Design for Multipair Massive MIMO Relaying With Channel Spatial Correlation.
IEEE Trans. Commun.
Milad Fozooni, Hien Quoc Ngo, Michail Matthaiou, Shi Jin, George C. Alexandropoulos
2019 B conf
Impact of Imperfect Channel Estimation in HF OFDM-MIMO Communications.
PIMRC
Aris L. Moustakas, George C. Alexandropoulos, Andreas Polydoros, Ioannis Kaddas, Ioannis Dagres
2019 — conf
Indoor Signal Focusing with Deep Learning Designed Reconfigurable Intelligent Surfaces.
SPAWC
Chongwen Huang, George C. Alexandropoulos, Chau Yuen, Mérouane Debbah
2019 J jnl
Indoor Signal Focusing with Deep Learning Designed Reconfigurable Intelligent Surfaces.
CoRR
Chongwen Huang, George C. Alexandropoulos, Chau Yuen, Mérouane Debbah
2019 Misc conf
Indoor Time Reversal Wireless Communication: Experimental Results for Localization and Signal Coverage.
ICASSP
George C. Alexandropoulos, Ramin Khayatzadeh, Mohamed Kamoun, Ganghua Yang, Mérouane Debbah
2019 J jnl
MIMO Beamforming Schemes for Hybrid SIC FD Radios With Imperfect Hardware and CSI.
IEEE Trans. Wirel. Commun.
Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, George C. Alexandropoulos
2019 J jnl
Reconfigurable Intelligent Surfaces for Energy Efficiency in Wireless Communication.
IEEE Trans. Wirel. Commun.
Chongwen Huang, Alessio Zappone, George C. Alexandropoulos, Mérouane Debbah, Chau Yuen
2019 J jnl
Robust Sub-Meter Level Indoor Localization With a Single WiFi Access Point - Regression Versus Classification.
IEEE Access
Chenlu Xiang, Shunqing Zhang, Shugong Xu, Xiaojing Chen, Shan Cao, George C. Alexandropoulos, Vincent K. N. Lau
2019 J jnl
Smart Radio Environments Empowered by AI Reconfigurable Meta-Surfaces: An Idea Whose Time Has Come.
CoRR
Marco Di Renzo, Mérouane Debbah, Dinh Thuy Phan Huy, Alessio Zappone, Mohamed-Slim Alouini, Chau Yuen, Vincenzo Sciancalepore, George C. Alexandropoulos, Jakob Hoydis, Haris Gacanin, Julien de Rosny, Ahcène Bounceur, Geoffroy Lerosey, Mathias Fink
2019 J jnl
Smart radio environments empowered by reconfigurable AI meta-surfaces: an idea whose time has come.
EURASIP J. Wirel. Commun. Netw.
Marco Di Renzo, Mérouane Debbah, Dinh Thuy Phan Huy, Alessio Zappone, Mohamed-Slim Alouini, Chau Yuen, Vincenzo Sciancalepore, George C. Alexandropoulos, Jakob Hoydis, Haris Gacanin, Julien de Rosny, Ahcène Bounceur, Geoffroy Lerosey, Mathias Fink
2019 B conf
Transmission Strategies in Imperfect Bi-directional Full-Duplex MIMO Systems.
WCNC
Hiroki Iimori, Giuseppe Abreu, Koji Ishibashi, George C. Alexandropoulos
2019 J jnl
Wideband MIMO Channel Estimation for Hybrid Beamforming Millimeter Wave Systems via Random Spatial Sampling.
IEEE J. Sel. Top. Signal Process.
Evangelos Vlachos, George C. Alexandropoulos, John Thompson
2018 — conf
Energy Efficient Multi-User MISO Communication Using Low Resolution Large Intelligent Surfaces.
GLOBECOM Workshops
Chongwen Huang, George C. Alexandropoulos, Alessio Zappone, Mérouane Debbah, Chau Yuen
2018 J jnl
Energy Efficient Multi-User MISO Communication using Low Resolution Large Intelligent Surfaces.
CoRR
Chongwen Huang, George C. Alexandropoulos, Alessio Zappone, Mérouane Debbah, Chau Yuen
2018 — conf
Energy Efficient Transmission in Underlay Massive MIMO Systems with Probabilistic Guarantees.
ICC Workshops
Nikolaos I. Miridakis, Theodoros A. Tsiftsis, George C. Alexandropoulos
2018 J jnl
Energy Sustainable IoT With Individual QoS Constraints Through MISO SWIPT Multicasting.
IEEE Internet Things J.
Deepak Mishra, George C. Alexandropoulos, Swades De
2018 J jnl
Energy Sustainable IoT with Individual QoS Constraints Through MISO SWIPT Multicasting.
CoRR
Deepak Mishra, George C. Alexandropoulos, Swades De
2018 — conf
Full-Duplex Bi-directional MIMO under Imperfect CSI and Hardware Impairments.
WPNC
Hiroki Iimori, Giuseppe Abreu, George C. Alexandropoulos
2018 — conf
Full-Duplex Transmission Optimization for Bi-directional MIMO links with QoS Guarantees.
GlobalSIP
Hiroki Iimori, Giuseppe Abreu, George C. Alexandropoulos
2018 J jnl
Full-Duplex Transmission Optimization for Bi-directional MIMO links with QoS Guarantees.
CoRR
Hiroki Iimori, Giuseppe Abreu, George C. Alexandropoulos
2018 — conf
Harvested Power Fairness Optimization in MISO SWIPT Multicasting IoT with Individual Constraints.
ICC
Deepak Mishra, George C. Alexandropoulos, Swades De
2018 J jnl
Hybrid Processing Design for Multipair Massive MIMO Relaying with Channel Spatial Correlation.
CoRR
Milad Fozooni, Hien Quoc Ngo, Michail Matthaiou, Shi Jin, George C. Alexandropoulos
2018 — conf
Impact of RF Processing and Switching Errors in Lens-Based Massive MIMO Systems.
SPAWC
Harsh Tataria, Michail Matthaiou, Peter J. Smith, George C. Alexandropoulos, Vincent F. Fusco
2018 J jnl
Jointly Optimal Spatial Channel Assignment and Power Allocation for MIMO SWIPT Systems.
IEEE Wirel. Commun. Lett.
Deepak Mishra, George C. Alexandropoulos
2018 J jnl
Large Intelligent Surfaces for Energy Efficiency in Wireless Communication.
CoRR
Chongwen Huang, Alessio Zappone, George C. Alexandropoulos, Mérouane Debbah, Chau Yuen
2018 J jnl
Low Complexity Full Duplex MIMO: Novel Analog Cancellation Architectures and Transceiver Design.
CoRR
George C. Alexandropoulos, Melissa Duarte
2018 J jnl
MIMO Underlay Cognitive Radio: Optimized Power Allocation, Effective Number of Transmit Antennas and Harvest-Transmit Tradeoff.
CoRR
Nikolaos I. Miridakis, Theodoros A. Tsiftsis, George C. Alexandropoulos
2018 J jnl
MIMO Underlay Cognitive Radio: Optimized Power Allocation, Effective Number of Transmit Antennas and Harvest-Transmit Tradeoff.
IEEE Trans. Green Commun. Netw.
Nikolaos I. Miridakis, Theodoros A. Tsiftsis, George C. Alexandropoulos
2018 J jnl
Massive MIMO Channel Estimation for Millimeter Wave Systems via Matrix Completion.
CoRR
Evangelos Vlachos, George C. Alexandropoulos, John S. Thompson
2018 J jnl
Massive MIMO Channel Estimation for Millimeter Wave Systems via Matrix Completion.
IEEE Signal Process. Lett.
Evangelos Vlachos, George C. Alexandropoulos, John S. Thompson
2018 J jnl
On the sum of ordered random variables and its applications to physical-layer security of communication over η-μ fading channels with generalized selection combining.
Trans. Emerg. Telecommun. Technol.
Kostas P. Peppas, George C. Alexandropoulos, P. Takis Mathiopoulos, Jing Yang
2018 J jnl
Secrecy Outage Analysis Over Correlated Composite Nakagami-m/Gamma Fading Channels.
IEEE Commun. Lett.
George C. Alexandropoulos, Kostas P. Peppas
2018 J jnl
Transmit Precoding and Receive Power Splitting for Harvested Power Maximization in MIMO SWIPT Systems.
CoRR
Deepak Mishra, George C. Alexandropoulos
2018 J jnl
Transmit Precoding and Receive Power Splitting for Harvested Power Maximization in MIMO SWIPT Systems.
IEEE Trans. Green Commun. Netw.
Deepak Mishra, George C. Alexandropoulos
2018 — conf
Uplink Interference Analysis with RF Switching for Lens-Based Millimeter-Wave Systems.
ICC
Harsh Tataria, Michail Matthaiou, Peter J. Smith, George C. Alexandropoulos, Vincent F. Fusco
2017 — conf
Cooperative beamforming techniques for energy efficient IoT wireless communication.
ICC
Spyridon Vassilaras, George C. Alexandropoulos
2017 B conf
Energy-Aware Mode Selection for Throughput Maximization in RF-Powered D2D Communications.
GLOBECOM
Deepak Mishra, Swades De, George C. Alexandropoulos, Dilip Krishnaswamy
2017 J jnl
Energy-aware Mode Selection for Throughput Maximization in RF-Powered D2D Communications.
CoRR
Deepak Mishra, Swades De, George C. Alexandropoulos, Dilip Krishnaswamy
2017 J jnl
Harvested Power Maximization in QoS-Constrained MIMO SWIPT with Generic RF Harvesting Model.
CoRR
Deepak Mishra, George C. Alexandropoulos
2017 — conf
Harvested power maximization in QoS-Constrained MIMO SWIPT with generic RF harvesting model.
CAMSAP
Deepak Mishra, George C. Alexandropoulos
2017 J jnl
Joint Design of Multi-Tap Analog Cancellation and Digital Beamforming for Reduced Complexity Full Duplex MIMO Systems.
CoRR
George C. Alexandropoulos, Melissa Duarte
2017 — conf
Joint design of multi-tap analog cancellation and digital beamforming for reduced complexity full duplex MIMO systems.
ICC
George C. Alexandropoulos, Melissa Duarte
2017 J jnl
Jointly Optimal Spatial Channel Assignment and Power Allocation for MIMO SWIPT Systems.
CoRR
Deepak Mishra, George C. Alexandropoulos
2017 B conf
On the Robustness of Coordinated Beamforming to Uncoordinated Interference and CSI Uncertainty.
WCNC
George C. Alexandropoulos, Paul Ferrand, Constantinos B. Papadias
2017 J jnl
On the Robustness of Coordinated Beamforming to Uncoordinated Interference and CSI Uncertainty.
CoRR
George C. Alexandropoulos, Paul Ferrand, Constantinos B. Papadias
2017 J jnl
Performance Analysis of L-Branch Scan-and-Wait Combining (SWC) Over Arbitrarily Correlated Nakagami-m Fading Channels.
IEEE Trans. Veh. Technol.
George C. Alexandropoulos, P. Takis Mathiopoulos, Pingzhi Fan
2017 J jnl
Position Aided Beam Alignment for Millimeter Wave Backhaul Systems with Large Phased Arrays.
CoRR
George C. Alexandropoulos
2017 — conf
Position aided beam alignment for millimeter wave backhaul systems with large phased arrays.
CAMSAP
George C. Alexandropoulos
2017 J jnl
Secrecy Outage Analysis over Correlated Composite Nakagami-mΓ Fading Channels.
CoRR
George C. Alexandropoulos, Kostas P. Peppas
2017 J jnl
Secure Communications With Cooperative Jamming: Optimal Power Allocation and Secrecy Outage Analysis.
IEEE Trans. Veh. Technol.
Kanapathippillai Cumanan, George C. Alexandropoulos, Zhiguo Ding, George K. Karagiannidis
2017 J jnl
Secure communications with cooperative jamming: Optimal power allocation and secrecy outage analysis.
CoRR
Kanapathippillai Cumanan, George C. Alexandropoulos, Zhiguo Ding, George K. Karagiannidis
2017 J jnl
Securing Relay Networks with Artificial Noise: An Error Performance-Based Approach.
Entropy
Ying Liu, Liang Li, George C. Alexandropoulos, Marius Pesavento
2017 J jnl
Simultaneous Spectrum Sensing and Data Reception for Cognitive Spatial Multiplexing Distributed Systems.
IEEE Trans. Wirel. Commun.
Nikolaos I. Miridakis, Theodoros A. Tsiftsis, George C. Alexandropoulos, Mérouane Debbah
2016 J jnl
Advanced Coordinated Beamforming for the Downlink of Future LTE Cellular Networks.
CoRR
George C. Alexandropoulos, Paul Ferrand, Jean-Marie Gorce, Constantinos B. Papadias
2016 J jnl
Advanced coordinated beamforming for the downlink of future LTE cellular networks.
IEEE Commun. Mag.
George C. Alexandropoulos, Paul Ferrand, Jean-Marie Gorce, Constantinos B. Papadias
2016 — conf
Artificial noise design for secure multi-relay networks over generalized fading channels.
ICT
Ying Liu, George C. Alexandropoulos, Liang Li, Marius Pesavento
2016 J jnl
Energy and Spectrum Efficient Wireless Sensor Networks.
Int. J. Distributed Sens. Networks
Gianni Pasolini, George C. Alexandropoulos, Lorenzo Mucchi, Javier Prieto, Yuan Shen
2016 — conf
Energy efficient switching between data transmission and energy harvesting for cooperative cognitive relaying systems.
ICC
Nikolaos I. Miridakis, Theodoros A. Tsiftsis, George C. Alexandropoulos, Mérouane Debbah
2016 J jnl
Green Cognitive Relaying: Opportunistically Switching Between Data Transmission and Energy Harvesting.
IEEE J. Sel. Areas Commun.
Nikolaos I. Miridakis, Theodoros A. Tsiftsis, George C. Alexandropoulos, Mérouane Debbah
2016 — conf
Low Complexity Channel Estimation for Millimeter Wave Systems with Hybrid A/D Antenna Processing.
GLOBECOM Workshops
George C. Alexandropoulos, Symeon Chouvardas
2016 J jnl
Low Complexity Channel Estimation for Millimeter Wave Systems with Hybrid A/D Antenna Processing.
CoRR
George C. Alexandropoulos, Symeon Chouvardas
2016 — conf
Massive MIMO relaying with hybrid processing.
ICC
Milad Fozooni, Michail Matthaiou, Shi Jin, George C. Alexandropoulos
2016 J jnl
Optimizing Access Mechanisms for QoS Provisioning in Hardware Constrained Dynamic Spectrum Access.
CoRR
Spyridon Vassilaras, George C. Alexandropoulos
2016 — conf
Optimizing Access mechanisms for QoS provisioning in hardware constrained Dynamic Spectrum Access.
SPAWC
Spyridon Vassilaras, George C. Alexandropoulos
2016 J jnl
Outage performance of cognitive cooperative networks with relay selection over double-Rayleigh fading channels.
IET Commun.
Tran Trung Duy, George C. Alexandropoulos, Tung Thanh Vu, Nguyen-Son Vo, Trung Quang Duong
2016 J jnl
Performance Analysis of $L$-Branch Scan-and-Wait Combining (SWC) over Arbitrarily Correlated Nakagami-$m$ Fading Channels.
CoRR
George C. Alexandropoulos, P. Takis Mathiopoulos, Pingzhi Fan
2016 J jnl
Performance Evaluation of User Scheduling for Full-Duplex Small Cells in Ultra-Dense Networks.
CoRR
Italo Atzeni, Marios Kountouris, George C. Alexandropoulos
2016 J jnl
Pilot-assisted channel estimation with MSE-optimal thresholding for OFDM systems.
Trans. Emerg. Telecommun. Technol.
Yuexing Peng, George C. Alexandropoulos, Yonghui Li
2016 J jnl
Simultaneous Spectrum Sensing and Data Reception for Cognitive Spatial Multiplexing Distributed Systems.
CoRR
Nikolaos I. Miridakis, Theodoros A. Tsiftsis, George C. Alexandropoulos, Mérouane Debbah
2016 B conf
Simultaneous Spectrum Sensing and Data Transmission for Multi-User MIMO Cognitive Radio Systems.
GLOBECOM
Nikolaos I. Miridakis, Theodoros A. Tsiftsis, George C. Alexandropoulos, Mérouane Debbah
2016 J jnl
User Scheduling and Optimal Power Allocation for Full-Duplex Cellular Networks.
CoRR
George C. Alexandropoulos, Marios Kountouris, Italo Atzeni
2016 — conf
User scheduling and optimal power allocation for full-duplex cellular networks.
SPAWC
George C. Alexandropoulos, Marios Kountouris, Italo Atzeni
2015 J jnl
Apply Artificial Noise To Secure Fading Relay Networks: A SER-Based Approach.
CoRR
Ying Liu, Liang Li, George C. Alexandropoulos, Marius Pesavento
2015 J jnl
Bit Error Rate Analysis of Cooperative Beamforming for Transmitting Individual Data Streams.
CoRR
Spyridon Vassilaras, George C. Alexandropoulos, Antonis A. Kalis
2015 — conf
Bit error rate analysis of cooperative beamforming for transmitting individual data streams.
ICC
Spyridon Vassilaras, George C. Alexandropoulos, Antonis A. Kalis
2015 J jnl
Bit error rate of underlay decode-and-forward cognitive networks with best relay selection.
J. Commun. Networks
Khuong Ho-Van, Paschalis C. Sofotasios, George C. Alexandropoulos, Steven Freear
2015 J jnl
Green Cognitive Relaying: Opportunistically Switching Between Data Transmission and Energy Harvesting.
CoRR
Nikolaos I. Miridakis, Theodoros A. Tsiftsis, George C. Alexandropoulos, Mérouane Debbah
2015 J jnl
Massive MIMO Relaying with Hybrid Processing.
CoRR
Milad Fozooni, Michail Matthaiou, Shi Jin, George C. Alexandropoulos
2015 B conf
Maximal Ratio Transmission in Wireless Poisson Networks under Spatially Correlated Fading Channels.
GLOBECOM
George C. Alexandropoulos, Marios Kountouris
2015 J jnl
Maximal Ratio Transmission in Wireless Poisson Networks under Spatially Correlated Fading Channels.
CoRR
George C. Alexandropoulos, Marios Kountouris
2014 — conf
On the performance of transceiver techniques for the K-user MIMO IFC with LTE-A turbo coding.
WCNC Workshops
George C. Alexandropoulos, Stylianos Papaharalabos, Constantinos B. Papadias
2014 — conf
Opportunistic beamforming for secondary users in licensed shared access networks.
ISCCSP
Nick Taramas, George C. Alexandropoulos, Constantinos B. Papadias
2014 — conf
Poster: Secret key generation from CFR for OFDM TDD systems over fading channels.
ChinaCom
Yuexing Peng, George C. Alexandropoulos, Peng Wang, Yonghui Li, Dac-Binh Ha
2014 J jnl
Precoding for Multiuser MIMO Systems with Single-Fed Parasitic Antenna Arrays.
CoRR
George C. Alexandropoulos, Vlasis Barousis, Constantinos B. Papadias
2014 B conf
Precoding for multiuser MIMO systems with single-fed parasitic antenna arrays.
GLOBECOM
George C. Alexandropoulos, Vlasis Barousis, Constantinos B. Papadias
2013 — conf
A comparative study of interference alignment schemes with LTE-compliant turbo coding.
ICC Workshops
Stylianos Papaharalabos, George C. Alexandropoulos, Constantinos B. Papadias
2013 — conf
A reconfigurable distributed algorithm for K-user MIMO interference networks.
ICC
George C. Alexandropoulos, Constantinos B. Papadias
2013 J jnl
A reconfigurable iterative algorithm for the K-user MIMO interference channel.
Signal Process.
George C. Alexandropoulos, Constantinos B. Papadias
2013 J jnl
Cognitive Amplify-and-Forward Relaying with Best Relay Selection in Non-Identical Rayleigh Fading.
IEEE Commun. Lett.
Vo Nguyen Quoc Bao, Trung Quang Duong, Daniel Benevides da Costa, George C. Alexandropoulos, Arumugam Nallanathan
2012 J jnl
An Interference-Adjustable Distributed Algorithm for K-user MIMO Interference Networks
CoRR
George C. Alexandropoulos, Constantinos B. Papadias
2012 J jnl
Analytic Framework for the Effective Rate of MISO Fading Channels.
IEEE Trans. Commun.
Michail Matthaiou, George C. Alexandropoulos, Hien Quoc Ngo, Erik G. Larsson
2012 J jnl
Bringing mobile relays for wireless access networks into practice - learning when to relay.
IET Commun.
Agisilaos Papadogiannis, George C. Alexandropoulos, Alister G. Burr, David Grace
2012 — conf
Effective rate analysis of MISO Rician fading channels.
SAM
Michail Matthaiou, George C. Alexandropoulos, Hien Quoc Ngo, Erik G. Larsson
2011 J jnl
A Comparative Study of Relaying Schemes with Decode and Forward over Nakagami-m Fading Channels.
J. Comput. Networks Commun.
George C. Alexandropoulos, Agisilaos Papadogiannis, Paschalis C. Sofotasios
2011 J jnl
A Comparative Study of Relaying Schemes with Decode-and-Forward over Nakagami-m Fading Channels
CoRR
George C. Alexandropoulos, Agisilaos Papadogiannis, Paschalis C. Sofotasios
2011 J jnl
Analysis and Efficient Evaluation of the BER of OSTBCs With Imperfect Channel Estimation in Arbitrarily Correlated Fading Channels.
IEEE Trans. Signal Process.
Lennert Jacobs, George C. Alexandropoulos, Marc Moeneclaey, Herwig Bruneel, P. Takis Mathiopoulos
2011 J jnl
Orthogonal Space-Time Block Codes With CSI-Assisted Amplify-and-Forward Relaying in Correlated Nakagami- Fading Channels.
IEEE Trans. Veh. Technol.
Trung Quang Duong, George C. Alexandropoulos, Hans-Jürgen Zepernick, Theodoros A. Tsiftsis
2010 B conf
Adaptive M-QAM Systems with Diversity in Correlated Nakagami-m Fading and Shadowing.
GLOBECOM
George C. Alexandropoulos, Andrea Conti, P. Takis Mathiopoulos
2010 J jnl
Performance Analysis of Cooperative Networks With Relay Selection Over Nakagami- m Fading Channels.
IEEE Signal Process. Lett.
George C. Alexandropoulos, Agisilaos Papadogiannis, Kostas Berberidis
2010 J jnl
Performance evaluation of selection diversity receivers over arbitrarily correlated generalised Gamma fading channels.
IET Commun.
George C. Alexandropoulos, P. Takis Mathiopoulos
2010 B conf
Relay selection vs. repetitive transmission cooperation: Analysis under Nakagami-m fading.
PIMRC
George C. Alexandropoulos, Agisilaos Papadogiannis, Kostas Berberidis
2010 J jnl
Switch-and-Examine Diversity Over Arbitrarily Correlated Nakagami- Fading Channels.
IEEE Trans. Veh. Technol.
George C. Alexandropoulos, P. Takis Mathiopoulos, Nikos C. Sagias
2010 B conf
The value of dynamic clustering of base stations for future wireless networks.
FUZZ-IEEE
Agisilaos Papadogiannis, George C. Alexandropoulos
2009 J jnl
New results for the multivariate Nakagami-m fading model with arbitrary correlation matrix and applications.
IEEE Trans. Wirel. Commun.
George C. Alexandropoulos, Nikos C. Sagias, Fotis I. Lazarakis, Kostas Berberidis
2009 B conf
System level performance evaluation of dynamic relays in cellular networks over Nakagami-m fading channels.
PIMRC
Agisilaos Papadogiannis, George C. Alexandropoulos
2007 B conf
Dual-Hop Relaying Networks over Nakagami-M Fading Channels.
PIMRC
Christos Datsikas, George S. Tombras, Nikos C. Sagias, Fotis I. Lazarakis, George C. Alexandropoulos, Antonis A. Alexandridis, Kostas Dangakis
2007 B conf
Householder-Matrices based Analysis of SC Receivers over Rayleigh Fading Channels with Arbitrary Correlation.
PIMRC
George C. Alexandropoulos, Kostas Berberidis, Nikos C. Sagias, Fotis I. Lazarakis, Antonis A. Alexandridis, Kostas Dangakis
2007 B conf
New Results on SC and MRC Over Nakagami-m Fading Channels with Arbitrary Correlation Matrix.
GLOBECOM
George C. Alexandropoulos, Nikos C. Sagias, Fotis I. Lazarakis, Kostas Berberidis
2007 B conf
On the Sum of Squared Correlated Rayleigh Variates and Applications to Maximal-Ratio Diversity.
PIMRC
George C. Alexandropoulos, Kostas Berberidis, Nikos C. Sagias, Fotis I. Lazarakis, Christos Datsikas, Antonis A. Alexandridis, Kostas Dangakis