While the drone ban has now become official, and the Chinese-based company is no longer allowed to sell new drones in the ...

Abstract: This paper deals with the evolution of downlink codebook based multiple-input multiple-output (MIMO) within the third generation partnership project (3GPP) through release 15 to 17. There ...

Abstract: As communication systems that employ millimeter wave (mmWave) frequency bands must use large antenna arrays to overcome the severe propagation loss of mmWave signals, hybrid beamforming has ...