Dvb-T2 /T2 Lite - SEFRAM 7849B User Manual

11.7

DVB-T2 /T2 Lite

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The concatenation Viterbi + Reed Solomon of the correction of DVB-T/H has been replaced by the concate-
nation LDPC + BCH under DVB-T2.
Display of the values of Cell_ID from the diffuser and specific to the emitter.
7849B – 7859B – 7817B
DEMODULATEUR LDPC
BERi
p.
DECODAGE
BCH
MPEG
BERo
PER
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