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ITU Journal on Future and Evolving Technologies, Volume 2 (2021), Issue 4




          ACKNOWLEDGEMENTS                                      [9]   Vlachos,            Thomp‐
                                                                      “Wideband  MIMO      for  hy‐
          The    of    Subramanyam      Chandra  R.
                                                                    brid beamforming millimeter wave systems via ran‐
          Murthy  was   inancially  supported  by  research  grants   dom spatial sampling,” IEEE J. Sel. Topics Signal Pro‑
          from  Intel    and  the    of  Telecommunications,
                                                                    cess., vol. 13, no. 5, pp. 1136–1150, 2019.
            of   The    of  O.    Demir
          Yetis,  Emil  Björnson,      Giselsson               [10] Y   Wang,  Y           Leus,      Zhang,
          supported  by    Wallenberg                               “Super‐resolution channel estimation for arbitrary
            Software Program  (W  funded      Knut                  arrays    hybrid  millimeter‐wave  massive  MIMO
            Wallen‐berg    The    of                                systems,  IEEE J. Sel. Topics Signal Process.  vol. 13,
            con‐tribution was partially supported from a            no. 5, pp. 947–960, 2019.
          Huawei  France‐funded  Chair      Wireless
            The work of Christo Kurisummoottil Thomas          [11] F     W  Wang,        P     “High‐
          was funded by a French FUI project titled MASS‐START.       angle‐of‐arrival      estimation
                                                                    for mmWave massive MIMO systems with lens an‐
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