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George C. Alexandropoulos

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RISs and Sidelink Communications in Smart Cities: The Key to Seamless Localization and Sensing

Jan 09, 2023
Hui Chen, Hyowon Kim, Mustafa Ammous, Gonzalo Seco-Granados, George C. Alexandropoulos, Shahrokh Valaee, Henk Wymeersch

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RIS-Aided Radar Sensing and Object Detection with Single and Double Bounce Multipath

Dec 14, 2022
Hyowon Kim, Alessio Fascista, Hui Chen, Yu Ge, George C. Alexandropoulos, Gonzalo Seco-Granados, Henk Wymeersch

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RIS-Enabled and Access-Point-Free Simultaneous Radio Localization and Mapping

Dec 14, 2022
Hyowon Kim, Hui Chen, Musa Furkan Keskin, Yu Ge, Kamran Keykhosravi, George C. Alexandropoulos, Sunwoo Kim, Henk Wymeersch

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3D Localization with a Single Partially-Connected Receiving RIS: Positioning Error Analysis and Algorithmic Design

Dec 05, 2022
Jiguang He, Aymen Fakhreddine, Charles Vanwynsberghe, Henk Wymeersch, George C. Alexandropoulos

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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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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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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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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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