Dvb-T2 / T2 Lite - Triax MCT 080 User Manual

FIELD METERS MCT 080 / 081 / 082 / 085 USER MANUAL
10.8

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

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The concatenation Viterbi + Reed Solomon of the correction of DVB-T/H has been replaced by the
concatenation LDPC + BCH under DVB-T2.
Display of the type of Modulation detected:
number of carriers (32 K)

constellation (256QAM R)

guard interval (1/8)

Viterbi rate (3/5)

Display of the values of Network_ID, System_ID, Cell_ID from the diffuser and specific to the emitter.
DEMODULATOR
TUNER
BERi
DECODING
LDPC BCH
MPEG
BERo
PER
p.
58
Constellation
Echos
MER/carrier