5helpful information, 1 dvb-s data rate, 2 dvb-s2 data rates – TechniSat SkyCable QPSK/DVB-T CI TWIN Benutzerhandbuch
Seite 78: 3 dvb-t data rates
78
EN
5
Helpful information
5.1
DVB-S data rate
Net data rate
(MBit/s)
Modulation
Symbol rate
(kSym/s)
FEC
1/2
FEC
2/3
FEC
3/4
FEC
5/6
FEC
7/8
22000
20,274
27,033
30,411
33,790
35,479
QPSK
27500
25,342
33,790
38,015
42,238
44,350
5.2
DVB-S2 data rates
Net data rate
(MBit/s)
Modulation
Pilot
Symbol rate
(kSym/s)
FEC
1/2
FEC
3/5
FEC
2/3
FEC
3/4
FEC
4/5
FEC
5/6
FEC
8/9
FEC
9/10
Off
22000
21,754
26,143
29,089
32,723
34,917
36,402
38,862
39,348
QPSK
Off
27500
27,193
32,677
36,362
40,905
43,648
45,503
48,576
49,186
Off
22000
-
39,159
43,573
49,018
-
54,527
58,212
58,942
8-PSK
Off
27500
-
48,950
54,466
61,273
-
68,159
72,756
73,677
5.3
DVB-T data rates
Net data rate (MBit/s)
⇒
⇒
⇒
⇒
7 MHz channel bandwidth
Symbol rate: 5906 kSym/s
⇒
⇒
⇒
⇒
8 MHz channel bandwidth
Symbol rate: 6750 kSym/s
Modulation
FEC
∆
/T
u
=1/4
∆
/T
u
=1/8
∆
/T
u
=1/16
∆
/T
u
=1/32
∆
/T
u
=1/4
∆
/T
u
=1/8
∆
/T
u
=1/16
∆
/T
u
=1/32
1/2
4,354
4,838
5,123
5,278
4,98
5,53
5,58
6,06
2/3
5,806
6,451
6,830
7,037
6,64
7,73
7,81
8,04
3/4
6,532
7,257
7,684
7,917
7,46
8,29
8,78
9,05
5/6
7,257
8,064
8,538
8,797
8,29
9,22
9,76
10,05
QPSK
2 Bits/s Hz
7/8
7,620
8,467
8,965
9,237
8,71
9,68
10,25
10,56
1/2
8,709
9,676
10,246
10,556
9,95
11,06
11,71
12,06
2/3
11,612
12,902
13,661
14,075
13,27
14,75
15,61
16,09
3/4
13,063
14,515
15,369
15,834
14,93
16,59
17,56
18,10
5/6
14,515
16,127
17,076
17,594
16,59
18,43
19,52
20,11
16-QAM
4 Bits/s Hz
7/8
15,240
16,934
17,930
18,473
17,42
19,35
20,49
21,11
1/2
13,063
14,515
15,369
15,834
14,93
16,59
17,56
18,10
2/3
17,418
19,353
20,491
21,112
19,91
22,12
23,42
24,13
3/4
19,595
21,772
23,053
23,751
22,39
24,88
26,35
27,14
5/6
21,772
24,191
25,614
26,390
24,88
27,65
29,27
30,16
64-QAM
6 Bits/s Hz
7/8
22,861
25,401
26,895
27,710
26,13
29,03
30,74
31,67