In millimeter wave (mmWave) systems, desirable spectral efficiency can be realized by the hybrid beamformer in which a large size...

One of the biggest obstacles to the application of orbital angular momentum (OAM) in the microwave field is its divergence proble...

With no dark zone in the propagation path and the same divergence angles, different plane spiral orbital angular momentum (PSOAM)...

Coherent beam combining(CBC)is recently used to generate high power vortex beams which are strongly required in specific applicat...