Compressed Sensing Based Fingerprint Identification for Wireless Transmitters

Table 2

Comparison of identification of a transmitter using three different methods.

Comparison metric	Mathematical statistics method	Fitting method	Compressed sensing method
RF fingerprints	Area under the normalized curve, duration, maximum slope, kurtosis, skewness, and variance of curve	Gaussian fitting coefficients	Feature extracted as explained in subsection II
Envelope extraction	STFT slice method	Wavelet method; STFT slice method	Wavelet method
Classifier	KNN	SVM and BP	SVM and BP