An M-QAM Signal Modulation Recognition Algorithm in AWGN Channel

Table 1

Optimum threshold values to each logarithmic feature.

I
0	0.5	1.5	1.5	3
1	0.95	2.2	3	5
2	1.3	2.7	4	6.4
3	1.52	3.1	5	7.6
4	1.8	3.7	6.3	9
5	2.2	4.3	6.6	10
6	2.5	4.8	7.5	11
7	3	5.7	9	12
8	4.5	7.5	12.5	15.5