SS	Spectrum Sensing
PU	Primary User
SU	Secondary User
ML	Machine Learning
DL	Deep Learning
RNN	Recurrent Neural Network
SVR	Support Vector Regression
CNN	Convolutional Neural Network
KNN	K-Nearest Neighbors
RF	Random Forest
FL	Federated Learning
SAS	Spectrum Access System
CBRS	Citizen Broadband Radio Service
CSS	Cooperative Spectrum Sensing
SNR	Signal-to-Noise Ratio
RB	Resource Block
LTE-A	Long-Term Evolution-Advanced
NR	New Radio
OFDM	Orthogonal Frequency Division Multiplexing
FDD	Frequency Division Duplex
RBG	Resource Block Group
AWGN	Additive White Gaussian Noise