Table 1 Abbreviations and descriptions
From: Cross-attention mechanism-based spectrum sensing in generalized Gaussian noise
Abbreviation | Description |
|---|---|
SS | Spectrum sensing |
CR | Cognitive radio |
IQ | In-phase and quadrature |
ED | Energy detection |
MDF | Matched filter detection |
PU | Primary user |
SU | Secondary user |
SISO | Single-input single-output |
TFCFN | Time-frequency cross fusion network |
GGD | Generalized Gaussian distribution |
GMM | Gaussian mixture model |
\(S \alpha S\) | Symmetric \(\alpha\)-stable |
DFT | Discrete Fourier transform |
FFT | Fast Fourier transform |
RNN | Recurrent neural network |
GRU | Gated recurrent units |
LSTM | Long short-term memory |
DNN | Deep neural network |
CNN | Convolutional neural network |
Conv1D | One-dimensional convolutional layer |
Conv2D | Two-dimensional convolutional layer |
CA | Cross attention |
SNR | Signal-to-ratio ratio |
GSNR | Generalized signal-to-noise ratio |
\(P_f\) | Probability of false alarm |
\(P_d\) | Probability of detection |
ROC | Receiver operating characteristic |
FLOPs | Floating-point operations |
Probability density function | |
L | Signal length |
