When people are dropped into the most dangerous of conditions – as when disaster strikes, or during exploration of another ...

Abstract: In line-of-sight scenarios multi-user orbital angular momentum (MU-OAM) wireless backhaul systems require accurate alignment of the transceiver beams to ensure the system performance.

Abstract: In order to obtain the high resolution of two-dimensional azimuth and pitch direction, two-dimensional MIMO array is used for vehicle-mounted 4D millimeter wave radar. At present, ...