Pilot overhead poses a significant challenge in mmWave massive multiple-input multiple-output (MIMO) systems, as it fundamentally limits the accurate acquisition of channel state information (CSI). In ...

Three people from Florida were taken to the hospital after falling into water at Glacier National Park while taking a photo. Rangers at the Montana park said they received several satellite SOS ...

Channel estimation plays an important role in underwater acoustic communications, with applications in phase-coherent modulation schemes and preparation of repl ...