DVB-S2 Configuration and Settings
R&S
®
SMCVB-K168
34
User Manual 1179.1064.02 ─ 03
Modulation coding value
Implementation description
Bit interleaver
pattern
Required FEC
frame
81: 16APSK 32/45 Sx
4+12APSK 32/45
0123
Short
82: 32APSK 2/3 Sx
4+12+16rbAPSK 2/3
41230
Short
83: 32APSK 32/45 Sx
4+12+16rbAPSK 32/45
10423
Short
Table 3-5: S2-X family for VL-SNR
Modulation coding value
Implementation description
Required FEC frame
84: VL1 QPSK 2/9 Sx VL-SNR *
QPSK 2/9
Normal
85: VL1 BPSK 1/5 Sx VL-SNR **
π
/2 BPSK 1/5
Medium
86: VL1 BPSK 11/45 Sx VL-SNR **
π
/2 BPSK 11/45
Medium
87: VL1 BPSK 1/3 Sx VL-SNR **
π
/2 BPSK 1/3
Medium
88: VL1 BPSK-S 1/5 Sx VL-SNR
π
/2 BPSK 1/5
Spreading factor 2
Short
89: VL1 BPSK-S 11/45 Sx VL-SNR
π
/2 BPSK 11/45
Spreading factor 2
Short
90: VL2 BPSK 1/5 Sx VL-SNR
π
/2 BPSK 1/5
Short
91: VL2 BPSK 4/15 Sx VL-SNR
π
/2 BPSK 4/15
Short
92: VL2 BPSK 1/3 Sx VL-SNR
π
/2 BPSK 1/3
Short
For all members of this family, the pilot is enabled (fixed setting).
* For "84: VL1 QPSK 2/9 Sx VL-SNR", the symbol rate is restricted.
** For 85, 86, 87: VL1 Pi/2 BPSK 1/5, 11/45, 1/3 (medium FEC frame) Sx VL-SNR", padding is performed.
FEC Frame
Sets the length of the FEC frames.
Note:
The setting for time slice
1 is displayed on this side tab, the settings for all time
slices
> 1 are available on the "TSL 2 - x" side tab. See
Note:
Classical modulation coding: With "Short", not all modulation coding settings are
FEC frame "Medium" is not available with classical modulation coding.
"Normal"
64800
bit
"Medium"
Requires "S2-X > On".
32400
bit
"Short"
16200
bit
Remote command:
[:SOURce<hw>]:BB:DVBS2:TSL<st>:IS<ch>:FECFrame
Coding Settings