Sixth Generation	6G
Artificial Intelligence	AI
Base Station	BS
Deep Deterministic Policy Gradient	DDPG
Deep Learning	DL
Deep Q-Network	DQN
Deep Reinforcement Learning	DRL
Deep Space Network	DSN
Electromagnetic	EM
Extremely High Definition	EHD
Full-Duplex	FD
High-Altitude Platform	HAP
Integrated Satellite	IS
Internet of Things	IoT
Internet of Vehicles	IoV
Line of Sight	LoS
Low Earth Orbit	LEO
Machine Learning	ML
Machine-Type Communication	MTC
Markov Decision Process	MDP
Microelectromechanical System	MEMS
Multiple-Input and Multiple-Output	MIMO
Network Function Virtualization	NFV
Non-Orthogonal Mutual Authentication	NOMA
Non-Terrestrial Network	NTN
Orthogonal Frequency-Division Multiplexing	OFDM
Positive Intrinsic Negative	PIN
Radio Frequency	RF
Reconfigurable Intelligent Surface	RIS
Reinforcement Learning	RL
Signal-to-Noise Ratio	SNR
Software-Defined Network	SDN
Super High Definition	SHD
Terahertz	THz
Terrestrial RIS	TRIS
Terrestrial Network	TN
Unmanned Aerial Vehicle	UAV