C/N richiesto per QEF*
C/N (dB)**
C/N (dB)**
code
rate
Rayleigh channel
Ricean Channel
4QAM
16QAM
64QAM
4QAM
16QAM
64QAM
1/2
6.6
12.6
17.7
8.4
14.2
19.0
2/3
8.7
14.6
20.1
11.4
17.2
22.3
3/4
9.8
16.0
21.6
13.7
19.7
24.7
5/6
11.0
17.4
23.0
16.1
22.3
28.3
7/8
11.7
18.0
24.0
19.3
25.8
30.9
* BER = 2x10-4 after Viterbi decoding
** BW = 7.6 MHz