
DVB-S2 CCM vs. VCM
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ZONE 1
EIRP = 52 dBW
ZONE 2
EIRP = 50 dBW
ZONE 3
EIRP = 48 dBW
•
VCM takes advantage of the different EIRPs
•
Each EIRP has a “best fit”
MODCOD (modulation and
coding) that maximizes throughput for that contour
• Site A• Site B
• Site C