MIMO	Multiple-input Multiple-output
BS	Base Station
CSI	Channel State Information
CNC	Coherent/Non-coherent
ML	Maximum Likelihood
SINR	Signal-to-Interference-and-Noise Ratio
SNR	Signal-to-Noise Ratio
CPU	Unmanned Aerial Vehicle
RIS	Reconfigurable Intelligent Surfaces
AP	Access Point
PDF	Probability Distribution Function
PSK	Phase Shift Keying
CDF	Cumulative Distribution Function
CF	Characteristic Function
NN	Nearest Neighbor
SEP	Symbol Error Probability