5G	Fifth-Generation
AF	Amplify-and-Forward
AWGN	Adaptive White Gaussian Noise
BS	Base Station
CSI	Channel State Information
DF	Decode-and-Forward
EE	Energy Efficiency
EH	Energy Harvesting
FD	Full-Duplex
HD	Half-Duplex
IoTs	Internet of Things
MIMO	Multi-Input-Multi-Output
NOMA	Non-Orthogonal Multiple Access
OP	Outage Probability
PA	Power Allocation
PS	Power Splitting
QoS	Quality of Service
RF	Radio Frequency
SIC	Successive Interference Cancellation
SINR	Signal-to-Interference-plus-Noise Ratio
SISO	Single-Input-Single-Output
SNR	Signal-to-Noise Ratio
SWIPT	Simultaneously Wireless Information Power Transmit
TAS	Transmit Antennas Selection
TS	Time Switching
WIP	Wireless Information Power