Downlink Multi-User Sub-THz Communication with a Programmable Metasurface. - Fahid Hassan; Zhambyl Shaikhanov; Jeffrey Lei; Hichem Guerboukha; Hou-Tong Chen; Chun-Chieh Chang; Sadhvikas Addamane; Michael P. Lilly; Daniel M. Mittleman; Edward W. Knightly (INFOCOM, 2025)