Multi-Frequency Air-to-Ground Channel Measurements and Analysis for UAV Communication Systems - Cui, Zhuangzhuang; Briso-Rodriguez, Cesar; Guan, Ke; Zhong, Zhangdui; Quitin, Francois (IEEE access, 2020)
Keywords: 3GPP; Air-to-ground (AG) channel; Antenna measurements; Channels; characterizations; Communications systems; Fading; fading behavior; Fading channels; Frequency measurement; Level crossings; measurements; Propagation losses; Shadow mapping; UAV; Unmanned aerial vehicles; Wireless communications