Advertisement
Modulation
FEC
Constellation
1/2
2/3
QPSK
3/4
5/6 6.22
7/8 6.53
1/2 7.46
2/3 9.95 11.05 11.70
16QAM
3/4 11.19 12.44 13.17
5/6 12.44 13.82 14.63
7/8 13.06 14.51 15.36
1/2 11.19 12.44 13.17
2/3 14.92 16.58 17.56
64QAM
3/4 16.79 18.66 19.76
5/6 18.66 20.73 21.95
7/8 19.59 21.77 23.05
12. Recommended MPEG-2 Code Rate
Recommended MPEG-2 Code Rate
6MHz Bandwidth
Guard Interval
1/4
1/8
1/16
1/32
The weak ability of error-correcting and anti-interference in this area
6.03
6.22
6.58
6.78
6.91
7.31
7.54
7.25
7.68
7.91
8.29
8.78
9.04
12.06 11.61 12.90 13.66
13.57 13.06 14.51 15.36
15.08 14.51 16.12 17.07
15.83 15.24 16.93 17.93
13.57 13.06 14.51 15.36
18.09 17.41 19.35 20.49
20.35 19.59 21.77 23.05
22.62 21.77 24.19 25.61
23.75 22.86 25.40 26.89
7MHz Bandwidth
Guard Interval
1/4
1/8
1/16
5.80
6.45
6.83
6.53
7.25
7.68
7.25
8.06
8.53
7.62
8.46
8.96
8.70
9.67
10.24
10.55
14.07 13.27 14.75 15.61
15.83 14.93 16.59 17.56
17.59 16.59 18.43 19.52
18.47 17.42 19.35 20.49
15.83 14.93 16.59 17.56
21.11 19.91 22.12 23.42
23.75 22.39 24.88 26.35
26.39 24.88 27.65 29.27
27.71 26.13 29.03 30.74
8MHz Bandwidth
Guard Interval
1/32
1/4
1/8
7.03
6.64
7.37
7.81
7.91
7.46
8.29
8.78
8.79
8.29
9.22
9.76
9.23
8.71
9.68
10.25
9.95 11.06 11.71
1/16
1/32
6.03
8.04
9.05
10.05
10.56
12.06
16.09
18.10
20.11
21.11
18.10
24.13
27.14
30.16
31.67
Advertisement
