Digital Modulation Identification Model Using Wavelet Transform and Statistical Parameters

Table 2

Threshold value.

System	Modulation schemes	Threshold value
Subsystem1	M-ary QAM/M-ary PSK	$T_1=1.09$
	BPSK/Higher MPSK	$T_{P1}=0.0104$
	QPSK/Higher MPSK	$T_{P2}=0.0096$
	8PSK/Higher MPSK	$T_{P3}=0.0091$
	16PSK/Higher MPSK	$T_{P4}=0.0089$
	2QAM/Higher QAM	$T_{Q1}=0.0103$
	4QAM/Higher QAM	$T_{Q2}=0.0109$
	8QAM/Higher QAM	$T_{Q3}=0.0115$
	16QAM/Higher QAM	$T_{Q4}=0.0123$
Subsystem2	M-ary FSK/GMSK	$T_2=1.686$