George C. Alexandropoulos
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Reconfigurable intelligent surfaces for energy efficiency in wireless communication
C Huang, A Zappone, GC Alexandropoulos, M Debbah, C Yuen
IEEE transactions on wireless communications 18 (8), 4157-4170, 2019
Smart radio environments empowered by reconfigurable AI meta-surfaces: An idea whose time has come
MD Renzo, M Debbah, DT Phan-Huy, A Zappone, MS Alouini, C Yuen, ...
EURASIP Journal on Wireless Communications and Networking 2019 (1), 1-20, 2019
Holographic MIMO surfaces for 6G wireless networks: Opportunities, challenges, and trends
C Huang, S Hu, GC Alexandropoulos, A Zappone, C Yuen, R Zhang, ...
IEEE Wireless Communications 27 (5), 118-125, 2020
Channel estimation for RIS-empowered multi-user MISO wireless communications
L Wei, C Huang, GC Alexandropoulos, C Yuen, Z Zhang, M Debbah
IEEE Transactions on Communications 69 (6), 4144-4157, 2021
Energy efficient multi-user MISO communication using low resolution large intelligent surfaces
C Huang, GC Alexandropoulos, A Zappone, M Debbah, C Yuen
2018 IEEE Globecom Workshops (GC Wkshps), 1-6, 2018
Indoor Signal Focusing with Deep Learning Designed Reconfigurable Intelligent Surfaces
C Huang, GC Alexandropoulos, C Yuen, M Debbah
arXiv preprint arXiv:1905.07726, 2019
A hardware architecture for reconfigurable intelligent surfaces with minimal active elements for explicit channel estimation
GC Alexandropoulos, E Vlachos
ICASSP 2020-2020 IEEE international conference on acoustics, speech and …, 2020
Multi-hop RIS-empowered terahertz communications: A DRL-based hybrid beamforming design
C Huang, Z Yang, GC Alexandropoulos, K Xiong, L Wei, C Yuen, Z Zhang, ...
IEEE Journal on Selected Areas in Communications 39 (6), 1663-1677, 2021
Dynamic metasurface antennas for 6G extreme massive MIMO communications
N Shlezinger, GC Alexandropoulos, MF Imani, YC Eldar, DR Smith
IEEE Wireless Communications 28 (2), 106-113, 2021
Cognitive Amplify-and-Forward Relaying with Best Relay Selection in Non-Identical Rayleigh Fading
V Bao, T Duong, D da Costa, G Alexandropoulos, A Nallanathan
Adaptive transmission for reconfigurable intelligent surface-assisted OFDM wireless communications
S Lin, B Zheng, GC Alexandropoulos, M Wen, F Chen
IEEE Journal on Selected Areas in Communications 38 (11), 2653-2665, 2020
Reconfigurable intelligent surfaces with reflection pattern modulation: Beamforming design and performance analysis
S Lin, B Zheng, GC Alexandropoulos, M Wen, M Di Renzo, F Chen
IEEE transactions on wireless communications 20 (2), 741-754, 2020
Reconfigurable, intelligent, and sustainable wireless environments for 6G smart connectivity
EC Strinati, GC Alexandropoulos, H Wymeersch, B Denis, ...
IEEE Communications Magazine 59 (10), 99-105, 2021
Reconfigurable intelligent surfaces for wireless communications: Overview of hardware designs, channel models, and estimation techniques
M Jian, GC Alexandropoulos, E Basar, C Huang, R Liu, Y Liu, C Yuen
Intelligent and Converged Networks 3 (1), 1-32, 2022
Reconfigurable intelligent surfaces and metamaterials: The potential of wave propagation control for 6G wireless communications
GC Alexandropoulos, G Lerosey, M Debbah, M Fink
arXiv preprint arXiv:2006.11136, 2020
Wireless environment as a service enabled by reconfigurable intelligent surfaces: The RISE-6G perspective
EC Strinati, GC Alexandropoulos, V Sciancalepore, M Di Renzo, ...
2021 Joint European Conference on Networks and Communications & 6G Summit …, 2021
Reconfigurable intelligent surfaces for rich scattering wireless communications: Recent experiments, challenges, and opportunities
GC Alexandropoulos, N Shlezinger, P Del Hougne
IEEE Communications Magazine 59 (6), 28-34, 2021
Secure communications with cooperative jamming: Optimal power allocation and secrecy outage analysis
K Cumanan, GC Alexandropoulos, Z Ding, GK Karagiannidis
IEEE Transactions on Vehicular Technology 66 (8), 7495-7505, 2017
Parallel factor decomposition channel estimation in RIS-assisted multi-user MISO communication
L Wei, C Huang, GC Alexandropoulos, C Yuen
2020 IEEE 11th sensor array and multichannel signal processing workshop (SAM …, 2020
Wideband MIMO channel estimation for hybrid beamforming millimeter wave systems via random spatial sampling
E Vlachos, GC Alexandropoulos, J Thompson
IEEE Journal of Selected Topics in Signal Processing 13 (5), 1136-1150, 2019
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