Dvb-S2 - Triax MCT059 User Manual

12.13 DVB-S2

TUNER
Display of the measures of:
BERi : error rate before LDPC
•
BERo : error rate after LDPC
•
PER : error rate after BCH (lost packets)
•
MER : modulation error rate
•
LKM : Noise margin (Link Margin)
•
Recall:
LDPC: Low Density Parity Check
BCH: Bose Chauhuri Houquenohem
The concatenation Viterbi + Reed Solomon of the correction of DVB-S has been replaced by the concatena-
tion LDPC + BCH under DVB-S2.
– MCT059 –
DEMODULATEUR LDPC
BERi
p.
DECODAGE
BCH
MPEG
BERo
PER
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