DVB configuration and settings
R&S
®
SMW-K52/-K116
24
User Manual 1175.6778.02 ─ 19
Access:
1. Select "DVB > DVB Standard" > "DVB-S2/DVB-S2X".
2. Select "CCM/ACM":
● "CCM" for constant coding and modulation
● "ACM" for adaptive coding and modulation
3. Select "System".
The dialog provides settings to configure the DVB system. The DVB system is dis-
played in form of a block diagram including all related parameters.
The provided settings depend on the selected
and on whether con-
stant coding and modulation (CCM) or adaptive coding and modulation (ACM)
communication is used.
The blocks indicate the first four logical signal processing parts:
● Mode adaptation:
Input stream configuration, incl. configuration of the header information
● Stream adaptation:
Baseband scrambling and FEC (forward error correction) encoding
● Constellation mapping:
Modulation and coding
● Pilot:
Insertion and scrambling of the optional pilot.
The last processing part is the baseband spectrum shaping. Find the required filter
parameters in the "Filter" dialog, see
Chapter 4.1.1, "Filter settings"
Settings:
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DVB-S2/DVB-S2X System settings