Characterization of Indoor RIS-Assisted Channels at 304 GHz: Experimental Measurements, Challenges, and Future Directions. - George C. Alexandropoulos; Bo Kum Jung; Panagiotis N. Gavriilidis; Sérgio A. Matos; Lorenz H. W. Loeser; Varvara Elesina; Antonio Clemente; Raffaele D'Errico; Luís M. Pessoa; Thomas Kürner (CoRR, 2024)