DVB-S2 CCM vs. VCM
36
ZONE 1
EIRP = 52 dBW
ZONE 2
EIRP = 50 dBW
ZONE 3
EIRP = 48 dBW
•
Consider a point to multi-point network consisting of a hub and 3 remotes
•
CCM would limit the throughput of all sites to that of the most
disadvantaged site (Site “C”)
•
Using a 13.33Msps (18Mhz) carrier again and assuming Site “C”
can run
at DVB-S2 QPSK 4/5 Site “C”
and ALL sites would be limited to 21.2
Mbps
• Site A• Site B
• Site C
