George C. Alexandropoulos - researchr alias

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Viewing Publication 1 - 100 from 201

2024

Hybrid Reconfigurable Intelligent Metasurfaces: Enabling Simultaneous Tunable Reflections and Sensing for 6G Wireless CommunicationsGeorge C. Alexandropoulos, Nir Shlezinger, Idban Alamzadeh, Mohammadreza F. Imani, Haiyang Zhang, Yonina C. Eldar. vtm, 19(1):75-84, March 2024. [doi]

Joint User Localization and Location Calibration of a Hybrid Reconfigurable Intelligent SurfaceReza Ghazalian, Hui Chen 0014, George C. Alexandropoulos, Gonzalo Seco-Granados, Henk Wymeersch, Riku Jäntti. tvt, 73(1):1435-1440, January 2024. [doi]

Holographic MIMO Communications: Theoretical Foundations, Enabling Technologies, and Future DirectionsTierui Gong, Panagiotis N. Gavriilidis, Ran Ji, Chongwen Huang, George C. Alexandropoulos, Li Wei 0007, Zhaoyang Zhang 0001, Mérouane Debbah, H. Vincent Poor, Chau Yuen. comsur, 26(1):196-257, Firstquarter 2024. [doi]

Toward the Metaverse Realization in 6G: Orchestration of RIS-Enabled Smart Wireless Environments via Digital TwinsAntonino Masaracchia, Dang Van-Huynh, George C. Alexandropoulos, Berk Canberk, Octavia A. Dobre, Trung Q. Duong. iotm, 7(2):22-28, March 2024. [doi]

2023

Channel Modeling and Multi-User Precoding for Tri-Polarized Holographic MIMO CommunicationsLi Wei 0007, Chongwen Huang, George C. Alexandropoulos, Zhaohui Yang 0001, Jun Yang, Wei E. I. Sha, Mérouane Debbah, Chau Yuen. icc 2023: 2037-2042 [doi]

Tri-Polarized Holographic MIMO Surfaces for Near-Field Communications: Channel Modeling and Precoding DesignLi Wei 0007, Chongwen Huang, George C. Alexandropoulos, Zhaohui Yang 0001, Jun Yang, Wei E. I. Sha, Zhaoyang Zhang 0001, Mérouane Debbah, Chau Yuen. TWC, 22(12):8828-8842, December 2023. [doi]

RISs and Sidelink Communications in Smart Cities: The Key to Seamless Localization and SensingHui Chen 0014, Hyowon Kim, Mustafa Ammous, Gonzalo Seco-Granados, George C. Alexandropoulos, Shahrokh Valaee, Henk Wymeersch. cm, 61(8):140-146, August 2023. [doi]

Channel Estimation and Multipath Diversity Reception for RIS-Empowered Broadband Wireless Systems Based on Cyclic-Prefixed Single-Carrier TransmissionQiang Li 0020, Miaowen Wen, Ertugrul Basar, George C. Alexandropoulos, Kyeong Jin Kim, H. Vincent Poor. TWC, 22(8):5145-5156, August 2023. [doi]

Reconfigurable Intelligent Computational Surfaces: When Wave Propagation Control Meets ComputingBo Yang 0035, Xuelin Cao, Jindan Xu, Chongwen Huang, George C. Alexandropoulos, Linglong Dai, Mérouane Debbah, H. Vincent Poor, Chau Yuen. wc, 30(3):120-128, June 2023. [doi]

Counteracting Eavesdropper Attacks Through Reconfigurable Intelligent Surfaces: A New Threat Model and Secrecy Rate OptimizationGeorge C. Alexandropoulos, Konstantinos D. Katsanos, Miaowen Wen, Daniel B. da Costa 0001. ojcs, 4:1285-1302, 2023. [doi]

Stacked Intelligent Metasurfaces for Efficient Holographic MIMO Communications in 6GJiancheng An, Chao Xu 0005, Derrick Wing Kwan Ng, George C. Alexandropoulos, Chongwen Huang, Chau Yuen, Lajos Hanzo. jsac, 41(8):2380-2396, August 2023. [doi]

Integrated Sensing and Communications With Reconfigurable Intelligent Surfaces: From signal modeling to processingSundeep Prabhakar Chepuri, Nir Shlezinger, Fan Liu 0005, George C. Alexandropoulos, Stefano Buzzi, Yonina C. Eldar. spm, 40(6):41-62, September 2023. [doi]

Corrections to "WiThRay: A Versatile Ray-Tracing Simulator for Smart Wireless Environments"Hyuckjin Choi, Jaeky Oh, Jaehoon Chung, George C. Alexandropoulos, Junil Choi. access, 11:88852-88853, 2023. [doi]

WiThRay: A Versatile Ray-Tracing Simulator for Smart Wireless EnvironmentsHyuckjin Choi, Jaeky Oh, Jaehoon Chung, George C. Alexandropoulos, Junil Choi. access, 11:56822-56845, 2023. [doi]

PhysFad: Physics-Based End-to-End Channel Modeling of RIS-Parametrized Environments With Adjustable FadingRashid Faqiri, Chloé Saigre-Tardif, George C. Alexandropoulos, Nir Shlezinger, Mohammadreza F. Imani, Philipp del Hougne. TWC, 22(1):580-595, 2023. [doi]

Full Duplex Holographic MIMO for Near-Field Integrated Sensing and CommunicationsIoannis Gavras, Md Atiqul Islam, Besma Smida, George C. Alexandropoulos. eusipco 2023: 700-704 [doi]

RIS Position and Orientation Estimation via Multi-Carrier Transmissions and Multiple ReceiversReza Ghazalian, Hui Chen 0014, George C. Alexandropoulos, Gonzalo Seco-Granados, Henk Wymeersch, Riku Jäntti. icc 2023: 2915-2920 [doi]

RIS Reflection and Placement Optimisation for Underlay D2D Communications in Cognitive Cellular NetworksSarbani Ghose, Deepak Mishra 0001, Santi P. Maity, George C. Alexandropoulos. icassp 2023: 1-5 [doi]

Joint Channel and Direction Estimation for Ground-to-UAV Communications Enabled by a Simultaneous Reflecting and Sensing RISJiguang He, Aymen Fakhreddine, George C. Alexandropoulos. icassp 2023: 1-5 [doi]

Compressed-Sensing-Based 3D Localization with Distributed Passive Reconfigurable Intelligent SurfacesJiguang He, Aymen Fakhreddine, Henk Wymeersch, George C. Alexandropoulos. icassp 2023: 1-5 [doi]

STAR-RIS-enabled simultaneous indoor and outdoor 3D localisation: Theoretical analysis and algorithmic designJiguang He, Aymen Fakhreddine, George C. Alexandropoulos. iet-spr, 17(4), April 2023. [doi]

3D Localization With a Single Partially-Connected Receiving RIS: Positioning Error Analysis and Algorithmic DesignJiguang He, Aymen Fakhreddine, Charles Vanwynsberghe, Henk Wymeersch, George C. Alexandropoulos. tvt, 72(10):13190-13202, October 2023. [doi]

Spatial Secrecy Spectral Efficiency Optimization Enabled by Reconfigurable Intelligent SurfacesKonstantinos D. Katsanos, George C. Alexandropoulos. eusipco 2023: 1539-1543 [doi]

Leveraging RIS-Enabled Smart Signal Propagation for Solving Infeasible Localization Problems: Scenarios, Key Research Directions, and Open ChallengesKamran Keykhosravi, Benoît Denis, George C. Alexandropoulos, Zhongxia Simon He, Antonio Albanese 0001, Vincenzo Sciancalepore, Henk Wymeersch. vtm, 18(2):20-28, 2023. [doi]

RIS-Aided Monostatic Sensing and Object Detection with Single and Double Bounce MultipathHyowon Kim, Alessio Fascista, Hui Chen 0014, Yu Ge 0002, George C. Alexandropoulos, Gonzalo Seco-Granados, Henk Wymeersch. icc 2023: 1883-1889 [doi]

Secrecy Rate Maximization in RIS-Enabled OFDM Wireless Communications: The Circuit-Based Reflection Model CaseDimitris Kompostiotis, Dimitris Vordonis, Vassilis Paliouras, George C. Alexandropoulos. icc 2023: 1529-1534 [doi]

Guest Editorial: 5G AdvancedAndreas Kunz, Konstantinos Samdanis, George C. Alexandropoulos, JaeSeung Song, Tarik Taleb. csm, 7(1):2-3, March 2023. [doi]

Iterative Interference Cancellation for Time Reversal Division Multiple AccessAli Mokh, George C. Alexandropoulos, Mohamed Kamoun, Abdelwaheb Ourir, Arnaud Tourin, Mathias Fink, Julien de Rosny. access, 11:92788-92795, 2023. [doi]

Reinforcement-Learning-Based UAV Utility Maximization for Offloading Cellular Communication SystemsAbhishek Mondal, Deepak Mishra 0001, Ganesh Prasad, George C. Alexandropoulos, Ashraf Hossain. icc 2023: 1069-1074 [doi]

Reconfigurable Intelligent Surfaces and Capacity Optimization: A Large System AnalysisAris L. Moustakas, George C. Alexandropoulos, Mérouane Debbah. TWC, 22(12):8736-8750, December 2023. [doi]

Performance of RIS-aided near-field localization under beams approximation from real hardware characterizationMoustafa Rahal, Benoît Denis, Kamran Keykhosravi, Musa Furkan Keskin, Bernard Uguen, George C. Alexandropoulos, Henk Wymeersch. ejwcn, 2023(1):86, December 2023. [doi]

Full-Duplex-Enabled Joint Communications and Sensing with Reconfigurable Intelligent SurfacesChandan Kumar Sheemar, George C. Alexandropoulos, Dirk Slock, Jorge Querol, Symeon Chatzinotas. eusipco 2023: 1509-1513 [doi]

Guest Editorial Full Duplex and its ApplicationsBesma Smida, Ashutosh Sabharwal, Gábor Fodor, George C. Alexandropoulos, Himal A. Suraweera, Chan-Byoung Chae. jsac, 41(9):2725-2728, September 2023. [doi]

Full-Duplex Wireless for 6G: Progress Brings New Opportunities and ChallengesBesma Smida, Ashutosh Sabharwal, Gábor Fodor, George C. Alexandropoulos, Himal A. Suraweera, Chan-Byoung Chae. jsac, 41(9):2729-2750, September 2023. [doi]

Autoregressive Attention Neural Networks for Non-Line-of-Sight User Tracking with Dynamic Metasurface AntennasKyriakos Stylianopoulos, Murat Bayraktar, Nuria González Prelcic, George C. Alexandropoulos. camsap 2023: 391-395 [doi]

Lyapunov-Driven Deep Reinforcement Learning for Edge Inference Empowered by Reconfigurable Intelligent SurfacesKyriakos Stylianopoulos, Mattia Merluzzi, Paolo Di Lorenzo, George C. Alexandropoulos. icassp 2023: 1-5 [doi]

Multi-Target Two-way Integrated Sensing and Communications with Full Duplex MIMO RadiosMuhammad Talha, Besma Smida, Md Atiqul Islam, George C. Alexandropoulos. acssc 2023: 1661-1667 [doi]

Reconfiguring wireless environments via intelligent surfaces for 6G: reflection, modulation, and securityJindan Xu, Chau Yuen, Chongwen Huang, Naveed Ul Hassan, George C. Alexandropoulos, Marco Di Renzo, Mérouane Debbah. chinaf, 66(3), March 2023. [doi]

Energy Efficiency Maximization of Massive MIMO Communications With Dynamic Metasurface AntennasLi You, Jie Xu, George C. Alexandropoulos, Jue Wang 0006, Wenjin Wang 0001, Xiqi Gao. TWC, 22(1):393-407, 2023. [doi]

Channel Estimation With Hybrid Reconfigurable Intelligent MetasurfacesHaiyang Zhang, Nir Shlezinger, George C. Alexandropoulos, Avner Shultzman, Idban Alamzadeh, Mohammadreza F. Imani, Yonina C. Eldar. tcom, 71(4):2441-2456, April 2023. [doi]

Progressive Channel Estimation for Single-Carrier Communications Aided by Reconfigurable Intelligent SurfacesQi Zheng, Miaowen Wen, Qiang Li 0020, George C. Alexandropoulos, Lexi Xu. wcl, 12(12):1993-1997, December 2023. [doi]

Robust Millimeter Beamforming via Self-Supervised Hybrid Deep LearningFenghao Zhu, Bohao Wang, Zhaohui Yang 0001, Chongwen Huang, Zhaoyang Zhang 0001, George C. Alexandropoulos, Chau Yuen, Mérouane Debbah. eusipco 2023: 915-919 [doi]

2022

Multi-User Wireless Communications with Holographic MIMO Surfaces: A Convenient Channel Model and Spectral Efficiency AnalysisLi Wei 0007, Chongwen Huang, George C. Alexandropoulos, Wei E. I. Sha, Zhaoyang Zhang 0001, Mérouane Debbah, Chau Yuen. eucnc 2022: 488-493 [doi]

Joint Channel Estimation and Signal Recovery for RIS-Empowered Multiuser CommunicationsLi Wei 0007, Chongwen Huang, Qinghua Guo 0001, Zhaohui Yang 0001, Zhaoyang Zhang 0001, George C. Alexandropoulos, Mérouane Debbah, Chau Yuen. tcom, 70(7):4640-4655, 2022. [doi]

Multi-User Holographic MIMO Surfaces: Channel Modeling and Spectral Efficiency AnalysisLi Wei 0007, Chongwen Huang, George C. Alexandropoulos, Wei E. I. Sha, Zhaoyang Zhang 0001, Mérouane Debbah, Chau Yuen. jstsp, 16(5):1112-1124, 2022. [doi]

Cyclic-Prefixed Single-Carrier Transmission with Reconfigurable Intelligent SurfacesQiang Li 0020, Miaowen Wen, Ertugrul Basar, George C. Alexandropoulos, Kyeong Jin Kim, H. Vincent Poor. eucnc 2022: 512-517 [doi]

Combining Relaying and Reflective Surfaces: Power Consumption and Energy Efficiency AnalysisZaid Abdullah, George C. Alexandropoulos, Steven Kisseleff, Symeon Chatzinotas, Björn E. Ottersten. globecom 2022: 31-36 [doi]

Near-Field Hierarchical Beam Management for RIS-Enabled Millimeter Wave Multi-Antenna SystemsGeorge C. Alexandropoulos, Vahid Jamali, Robert Schober, H. Vincent Poor. ieeesam 2022: 460-464 [doi]

Localization via Multiple Reconfigurable Intelligent Surfaces Equipped With Single Receive RF ChainsGeorge C. Alexandropoulos, Ioanna Vinieratou, Henk Wymeersch. wcl, 11(5):1072-1076, 2022. [doi]

Full-Duplex Massive Multiple-Input, Multiple-Output Architectures: Recent Advances, Applications, and Future DirectionsGeorge C. Alexandropoulos, Md Atiqul Islam, Besma Smida. vtm, 17(4):83-91, 2022. [doi]

Time Reversal for 6G Spatiotemporal Focusing: Recent Experiments, Opportunities, and ChallengesGeorge C. Alexandropoulos, Ali Mokh, Ramin Khayatzadeh, Julien de Rosny, Mohamed Kamoun, Abdelwaheb Ourir, Arnaud Tourin, Mathias Fink, Mérouane Debbah. vtm, 17(4):74-82, 2022. [doi]

Pervasive Machine Learning for Smart Radio Environments Enabled by Reconfigurable Intelligent SurfacesGeorge C. Alexandropoulos, Kyriakos Stylianopoulos, Chongwen Huang, Chau Yuen, Mehdi Bennis, Mérouane Debbah. pieee, 110(9):1494-1525, 2022. [doi]

Smart Wireless Environments Enabled by RISs: Deployment Scenarios and Two Key ChallengesGeorge 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. eucnc 2022: 1-6 [doi]

Massive Access of Static and Mobile Users via Reconfigurable Intelligent Surfaces: Protocol Design and Performance AnalysisXuelin Cao, Bo Yang 0035, Chongwen Huang, George C. Alexandropoulos, Chau Yuen, Zhu Han 0001, H. Vincent Poor, Lajos Hanzo. jsac, 40(4):1253-1269, 2022. [doi]

RIS-Aided Wireless Communications: Extra Degrees of Freedom via Rotation and Location OptimizationYajun Cheng, Wei Peng 0003, Chongwen Huang, George C. Alexandropoulos, Chau Yuen, Mérouane Debbah. TWC, 21(8):6656-6671, 2022. [doi]

Guest Editorial Special Issue on Communications and Computing for Green Industrial IoT and Smart GridsMelike Erol-Kantarci, George C. Alexandropoulos, Peter Han Joo Chong, Andrea M. Tonello, Yan Zhang. tgcn, 6(1):3-5, 2022. [doi]

End-to-End Fading Channel Modeling for RIS-Empowered Smart Wireless EnvironmentsRashid Faqiri, Chloé Saigre-Tardif, George C. Alexandropoulos, Nir Shlezinger, Mohammadreza F. Imani, Philipp del Hougne. globecom 2022: 741-746 [doi]

Simultaneous Indoor and Outdoor 3D Localization with STAR-RIS-Assisted Millimeter Wave SystemsJiguang He, Aymen Fakhreddine, George C. Alexandropoulos. vtc 2022: 1-6 [doi]

Simultaneous RIS Tuning and Differential Data Transmission for MISO OFDM Wireless SystemsKun Chen Hu, George C. Alexandropoulos, Ana García Armada. globecom 2022: 1515-1520 [doi]

Non-Coherent MIMO-OFDM Uplink empowered by the Spatial Diversity in Reflecting SurfacesKun Chen Hu, George C. Alexandropoulos, Ana García Armada. wcnc 2022: 776-781 [doi]

Differential Data-Aided Beam Training for RIS-Empowered Multi-Antenna CommunicationsKun Chen Hu, George C. Alexandropoulos, Ana García Armada. access, 10:113200-113213, 2022. [doi]

Integrated Sensing and Communication with Millimeter Wave Full Duplex Hybrid BeamformingMd Atiqul Islam, George C. Alexandropoulos, Besma Smida. icc 2022: 4673-4678 [doi]

Simultaneous Multi-User MIMO Communications and Multi-Target Tracking with Full Duplex RadiosMd Atiqul Islam, George C. Alexandropoulos, Besma Smida. globecom 2022: 19-24 [doi]

Joint Analog and Digital Transceiver Design for Wideband Full Duplex MIMO SystemsMd Atiqul Islam, George C. Alexandropoulos, Besma Smida. TWC, 21(11):9729-9743, 2022. [doi]

Low-to-Zero-Overhead IRS Reconfiguration: Decoupling Illumination and Channel EstimationVahid Jamali, George C. Alexandropoulos, Robert Schober, H. Vincent Poor. icl, 26(4):932-936, 2022. [doi]

Wideband Multi-User MIMO Communications with Frequency Selective RISs: Element Response Modeling and Sum-Rate MaximizationKonstantinos D. Katsanos, Nir Shlezinger, Mohammadreza F. Imani, George C. Alexandropoulos. icc 2022: 151-156 [doi]

Distributed Sum-Rate Maximization of Cellular Communications with Multiple Reconfigurable Intelligent SurfacesKonstantinos D. Katsanos, Paolo Di Lorenzo, George C. Alexandropoulos. spawc 2022: 1-5 [doi]

Secrecy Spectral Efficiency Optimization in RIS-Enabled MIMO Communication SystemsKonstantinos D. Katsanos, George C. Alexandropoulos. vlsi 2022: 1-6 [doi]

RIS-Enabled Self-Localization: Leveraging Controllable Reflections With Zero Access PointsKamran Keykhosravi, Gonzalo Seco-Granados, George C. Alexandropoulos, Henk Wymeersch. icc 2022: 2852-2857 [doi]

ADMM-DAD Net: A Deep Unfolding Network for Analysis Compressed SensingVasiliki Kouni, Georgios Paraskevopoulos, Holger Rauhut, George C. Alexandropoulos. icassp 2022: 1506-1510 [doi]

How Can Reconfigurable Intelligent Surfaces Drive 5G-Advanced Wireless Networks: A Standardization PerspectiveRuiqi Liu, George C. Alexandropoulos, Qingqing Wu, Mengnan Jian, Yuanwei Liu. iccchina 2022: 221-226 [doi]

Power Minimizing MEC Offloading with QoS Constraints over RIS-Empowered CommunicationsMattia Merluzzi, Francesca Costanzo, Konstantinos D. Katsanos, George C. Alexandropoulos, Paolo Di Lorenzo. globecom 2022: 5457-5462 [doi]

Time Reversal for Multiple Access and Mobility: Algorithmic Design and Experimental ResultsAli Mokh, Julien de Rosny, George C. Alexandropoulos, Ramin Khayatzadeh, Mohamed Kamoun, Abdelwaheb Ourir, Arnaud Tourin, Mathias Fink. wcnc 2022: 1731-1736 [doi]

Experimental Validation of Time Reversal Multiple Access for UWB Wireless Communications Centered at the 273 GHz FrequencyAli Mokh, Julien de Rosny, George C. Alexandropoulos, Mohamed Kamoun, Abdelwaheb Ourir, Ramin Khayatzadeh, Arnaud Tourin, Mathias Fink. vtc 2022: 1-5 [doi]

Arbitrary Beam Pattern Approximation via RISs with Measured Element ResponsesMoustafa Rahal, Benoît Denis, Kamran Keykhosravi, Musa Furkan Keskin, Bernard Uguen, George C. Alexandropoulos, Henk Wymeersch. eucnc 2022: 506-511 [doi]

Deep-Learning-Assisted Configuration of Reconfigurable Intelligent Surfaces in Dynamic Rich-Scattering EnvironmentsKyriakos Stylianopoulos, Nir Shlezinger, Philipp del Hougne, George C. Alexandropoulos. icassp 2022: 8822-8826 [doi]

Online RIS Configuration Learning for Arbitrary Large Numbers of 1-Bit Phase Resolution ElementsKyriakos Stylianopoulos, George C. Alexandropoulos. spawc 2022: 1-5 [doi]

Deep Contextual Bandits for Orchestrating Multi-User MISO Systems with Multiple RISsKyriakos Stylianopoulos, George C. Alexandropoulos, Chongwen Huang, Chau Yuen, Mehdi Bennis, Mérouane Debbah. icc 2022: 1556-1561 [doi]

A New RIS Architecture With a Single Power Amplifier: Energy Efficiency and Error Performance AnalysisRecep A. Tasci, Fatih Kilinc, Ertugrul Basar, George C. Alexandropoulos. access, 10:44804-44815, 2022. [doi]

Special Issue on Optimization of Cross-layer Collaborative Resource Allocation for Mobile Edge Computing, Caching and CommunicationShaohua Wan, Remigiusz Wisniewski, George C. Alexandropoulos, Zonghua Gu, Pierluigi Siano. comcom, 181:472-473, 2022. [doi]

DDU-Net: Dual-Decoder-U-Net for Road Extraction Using High-Resolution Remote Sensing ImagesYing Wang, Yuexing Peng, Wei Li 0032, George C. Alexandropoulos, Junchuan Yu, Daqing Ge, Wei Xiang 0001. tgrs, 60:1-12, 2022. [doi]

Channel Tracking for RIS-Enabled Multi-User SIMO Systems in Time-Varying Wireless ChannelsJide Yuan, George C. Alexandropoulos, Eleftherios Kofidis, Tobias Lindstrøm Jensen, Elisabeth de Carvalho. icc 2022: 145-150 [doi]

Special issue on aerial access networks for 6GHongliang Zhang, Zhu Han 0001, George C. Alexandropoulos, Nguyen H. Tran. jcn, 24(2):121-124, 2022. [doi]

2021

Near-field Localization with a Reconfigurable Intelligent Surface Acting as LensZohair Abu-Shaban, Kamran Keykhosravi, Musa Furkan Keskin, George C. Alexandropoulos, Gonzalo Seco-Granados, Henk Wymeersch. icc 2021: 1-6 [doi]

Uplink Beam Management for Millimeter Wave Cellular MIMO Systems with Hybrid BeamformingGeorge C. Alexandropoulos, Ioanna Vinieratou, Mattia Rebato, Luca Rose, Michele Zorzi. wcnc 2021: 1-7 [doi]

Safeguarding MIMO Communications with Reconfigurable Metasurfaces and Artificial NoiseGeorge C. Alexandropoulos, Konstantinos Katsanos, Miaowen Wen, Daniel B. da Costa 0001. icc 2021: 1-6 [doi]

User Fairness in Wireless Powered Communication Networks With Non-Orthogonal Multiple AccessJair Alves de Carvalho, Daniel B. da Costa, Liang Yang 0001, George C. Alexandropoulos, Rodolfo Oliveira, Ugo Silva Dias. wcl, 10(1):189-193, 2021. [doi]

Direction-Assisted Beam Management in Full Duplex Millimeter Wave Massive MIMO SystemsMd Atiqul Islam, George C. Alexandropoulos, Besma Smida. globecom 2021: 1-6 [doi]

Reconfigurable Intelligent Surfaces With Reflection Pattern Modulation: Beamforming Design and Performance AnalysisShaoe Lin, Beixiong Zheng, George C. Alexandropoulos, Miaowen Wen, Marco Di Renzo, Fangjiong Chen. TWC, 20(2):741-754, 2021. [doi]

Time Reversal Precoding at SubTHz Frequencies: Experimental Results on Spatiotemporal FocusingAli Mokh, Julien de Rosny, George C. Alexandropoulos, Ramin Khayatzadeh, Abdelwaheb Ourir, Mohamed Kamoun, Arnaud Tourin, Mathias Fink. cscn 2021: 78-82 [doi]

On the Performance Analysis of RIS-Empowered Communications Over Nakagami-m FadingDimitris Selimis, Kostas P. Peppas, George C. Alexandropoulos, Fotis I. Lazarakis. icl, 25(7):2191-2195, 2021. [doi]

Dynamic Metasurface Antennas for 6G Extreme Massive MIMO CommunicationsNir Shlezinger, George C. Alexandropoulos, Mohammadreza F. Imani, Yonina C. Eldar, David R. Smith. wc, 28(2):106-113, 2021. [doi]

Jointly Learned Symbol Detection and Signal Reflection in RIS-Aided Multi-user MIMO SystemsLiuhang Wang, Nir Shlezinger, George C. Alexandropoulos, Haiyang Zhang, Baoyun Wang, Yonina C. Eldar. acssc 2021: 715-721 [doi]

Joint Channel Estimation and Signal Recovery in RIS-Assisted Multi-User MISO CommunicationsLi Wei, Chongwen Huang, George C. Alexandropoulos, Zhaohui Yang, Chau Yuen, Zhaoyang Zhang 0001. wcnc 2021: 1-6 [doi]

Self-Calibrating Indoor Localization with Crowdsourcing Fingerprints and Transfer LearningChenlu Xiang, Shunqing Zhang, Shugong Xu, George C. Alexandropoulos. icc 2021: 1-6 [doi]

Dynamic Metasurface Antennas for Energy Efficient Uplink Massive MIMO CommunicationsJie Xu, Li You, George C. Alexandropoulos, Jue Wang 0006, Wenjin Wang, Xiqi Gao. globecom 2021: 1-6 [doi]

Hybrid RIS-Empowered Reflection and Decode-and-Forward Relaying for Coverage ExtensionIbrahim Yildirim, Fatih Kilinc, Ertugrul Basar, George C. Alexandropoulos. icl, 25(5):1692-1696, 2021. [doi]

Receive Quadrature Reflecting Modulation for RIS-Empowered Wireless CommunicationsJing Yuan, Miaowen Wen, Qiang Li 0020, Ertugrul Basar, George C. Alexandropoulos, Gaojie Chen. tvt, 70(5):5121-5125, 2021. [doi]

Channel Estimation with Simultaneous Reflecting and Sensing Reconfigurable Intelligent MetasurfacesHaiyang Zhang, Nir Shlezinger, Idban Alamzadeh, George C. Alexandropoulos, Mohammadreza F. Imani, Yonina C. Eldar. spawc 2021: 536-540 [doi]

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