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George C. Alexandropoulos

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


Dec 02, 2022
Tierui Gong, Ioanna Vinieratou, Ran Ji, Chongwen Huang, George C. Alexandropoulos, Li Wei, Zhaoyang Zhang, Mérouane Debbah, H. Vincent Poor, Chau Yuen

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Tri-Polarized Holographic MIMO Surface in Near-Field: Channel Modeling and Precoding Design


Nov 07, 2022
Li Wei, Chongwen Huang, George C. Alexandropoulos, Zhaohui Yang, Jun Yang, Wei E. I. Sha, Zhaoyang Zhang, Merouane Debbah, Chau Yuen

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Integrated Sensing and Communications with Reconfigurable Intelligent Surfaces


Nov 02, 2022
Sundeep Prabhakar Chepuri, Nir Shlezinger, Fan Liu, George C. Alexandropoulos, Stefano Buzzi, Yonina C. Eldar

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* 37 pages, 9 figures 

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Compressed-Sensing-Based 3D Localization with Distributed Passive Reconfigurable Intelligent Surfaces


Oct 27, 2022
Jiguang He, Aymen Fakhreddine, Henk Wymeersch, George C. Alexandropoulos

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* 5 pages, 4 figures, invited paper for IEEE ICASSP 2023 

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Joint Channel and Direction Estimation for Ground-to-UAV Communications Enabled by A Simultaneous Reflecting and Sensing RIS


Oct 27, 2022
Jiguang He, Aymen Fakhreddine, George C. Alexandropoulos

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* 5 pages, 3 figures, submitted to IEEE ICASSP 2023 

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Joint User Localization and Location Calibration of A Hybrid Reconfigurable Intelligent Surface


Oct 18, 2022
Reza Ghazalian, Hui Chen, George C. Alexandropoulos, Gonzalo Seco-Granados, Henk Wymeersch, Riku Jäntti

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Reconfiguring Wireless Environment via Intelligent Surfaces for 6G: Reflection, Modulation, and Security


Aug 23, 2022
Jindan Xu, Chau Yuen, Chongwen Huang, Naveed Ul Hassan, George C. Alexandropoulos, Marco Di Renzo, Merouane Debbah

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* Submitted to Science China Information Sciences 

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Next Generation Reconfigurable MetaSurfaces: When Wave Propagation Control Meets Computing


Aug 09, 2022
Bo Yang, Xuelin Cao, Chongwen Huang, George C. Alexandropoulos, Linglong Dai, M'erouane Debbah, H. Vincent Poor, Chau Yuen

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Distributed Sum-Rate Maximization of Cellular Communications with Multiple Reconfigurable Intelligent Surfaces


Aug 02, 2022
Konstantinos D. Katsanos, Paolo Di Lorenzo, George C. Alexandropoulos

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* 5 pages, 1 figure. Presented in IEEE SPAWC 2022 

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Simultaneous Indoor and Outdoor 3D Localization with STAR-RIS-Assisted Millimeter Wave Systems


Jul 19, 2022
Jiguang He, Aymen Fakhreddine, George C. Alexandropoulos

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* 6 pages, 6 figures, submitted to IEEE VTC Fall 

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