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  • TII Preprints
    AI and Digital Science Research Center arxiv.org
    3D localization with a single partially-connected receiving RIS: Positioning error analysis and algorithmic design

    J. He, A. Fakhreddine, C. Vanwynsberghe, H. Wymeersch, and G. C. Alexandropoulos

  • TII Preprints
    AI and Digital Science Research Center arxiv.org
    Holographic MIMO communications: Theoretical foundations, enabling technologies, and future directions

    T. Gong, I. Vinieratou, R. Ji, C. Huang, G. C. Alexandropoulos, L. Wei, Z. Zhang, M. Debbah, H. V. Poor, and C. Yuen

  • TII Preprints
    AI and Digital Science Research Center arxiv.org
    Tri-polarized holographic MIMO surface in nearfield: Channel modeling and precoding design

    L. Wei, C. Huang, G. C. Alexandropoulos, Z. Yang, J. Yang, W. E. I. Sha, Z. Zhang, M. Debbah, and C. Yuen

  • TII Preprints
    AI and Digital Science Research Center arxiv.org
    Reconfigurable Intelligent Surfaces and Capacity Optimization: A Large System Analysis

    A. L. Moustakas, G. C. Alexandropoulos, and M. Debbah

  • TII Preprints
    AI and Digital Science Research Center arxiv.org
    Integrated Sensing and Communications with Reconfigurable Intelligent Surfaces

    S. Prabhakar Chepuri, N. Shlezinger, F. Liu, G. C. Alexandropoulos, S. Buzzi, and Y. C. Eldar

  • TII Preprints
    AI and Digital Science Research Center arxiv.org
    Near-Field Wideband Extremely Large-scale MIMO Transmission with Holographic Metasurface Antennas

    Jie Xu, Li You, George C. Alexandropoulos, Xinping Yi, Wenjin Wang, and Xiqi Gao

  • TII Preprints
    AI and Digital Science Research Center arxiv.org
    Compressed-sensing- based 3D localization with distributed passive reconfigurable intelligent surfaces

    J. He, A. Fakhreddine, H. Wymeersch, and G. C. Alexandropoulos

  • TII Preprints
    AI and Digital Science Research Center arxiv.org
    aJoint channel and direction estimation for ground-to-UAV communications enabled by a simultaneous reflecting and sensing RIS

    J. He, A. Fakhreddine, and G. C. Alexandropoulos

  • TII Preprints
    Quantum Research Center arxiv.org
    General guarantees for randomized benchmarking with random quantum circuits

    Markus Heinrich, Martin Kliesch, Ingo Roth

  • TII Preprints
    Quantum Research Center Arxiv
    Bisparse Blind Deconvolution through Hierarchical Sparse Recovery

    Axel Flinth, Ingo Roth, Gerhard Wunder

  • TII Preprints
    Quantum Research Center Arxiv
    Scalably learning quantum many-body Hamiltonians from dynamical data

    Frederik Wilde, Augustine Kshetrimayum, Ingo Roth, Dominik Hangleiter, Ryan Sweke, Jens Eisert

  • TII Preprints
    Quantum Research Center Arxiv
    Closed-form analytic expressions for shadow estimation with brickwork circuits

    Mirko Arienzo, Markus Heinrich, Ingo Roth, Martin Kliesch