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8.3
DVB-T2 / T2 Lite
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
Recall:
LDPC: Low Density Parity Check
BCH: Bose Chauhuri Houquenohem
The concatenation Viterbi + Reed Solomon of the correction of DVB-T has been replaced by the concatena-
tion LDPC + BCH under DVB-T2.
DEMODULATEUR
TUNER
BERi
DECODAGE
LDPC
BCH
MPEG
BERo
PER
p.
54
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