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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
14942019
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
9412019
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
5702020
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
2262018
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
1832021
Indoor Signal Focusing with Deep Learning Designed Reconfigurable Intelligent Surfaces
C Huang, GC Alexandropoulos, C Yuen, M Debbah
arXiv preprint arXiv:1905.07726, 2019
1752019
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
IEEE, 0
159
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
1162020
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
992021
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
872021
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
772020
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
762017
The value of dynamic clustering of base stations for future wireless networks
A Papadogiannis, GC Alexandropoulos
International Conference on Fuzzy Systems, 1-6, 2010
742010
Orthogonal Space–Time Block Codes With CSI-Assisted Amplify-and-Forward Relaying in Correlated Nakagami-Fading Channels
TQ Duong, GC Alexandropoulos, HJ Zepernick, TA Tsiftsis
IEEE Transactions on Vehicular Technology 60 (3), 882-889, 2011
722011
Cooperative spectrum sharing networks with AF relay and selection diversity
TQ Duong, VNQ Bao, GC Alexandropoulos, HJ Zepernick
Electronics letters 47 (20), 1149-1151, 2011
702011
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
692020
Massive MIMO channel estimation for millimeter wave systems via matrix completion
E Vlachos, GC Alexandropoulos, J Thompson
IEEE Signal Processing Letters 25 (11), 1675-1679, 2018
672018
Performance Analysis of Dual-Hop AF Relaying Systems over MixedandFading Channels
KP Peppas, GC Alexandropoulos, PT Mathiopoulos
IEEE Transactions on Vehicular Technology 62 (7), 3149-3163, 2013
652013
Advanced coordinated beamforming for the downlink of future LTE cellular networks
GC Alexandropoulos, P Ferrand, JM Gorce, CB Papadias
IEEE Communications Magazine 54 (7), 54-60, 2016
642016
Performance Analysis of Cooperative Networks With Relay Selection Over Nakagami-Fading Channels
GC Alexandropoulos, A Papadogiannis, K Berberidis
IEEE Signal Processing Letters 17 (5), 441-444, 2010
632010
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