Table of Contents
Advertisement
12.10 DVB-C
TUNER
Display of the measures of:
BERo:
error rate before Reed Solomon
•
PER:
error rate after Reed Solomon (error rate packet)
•
MER:
modulation error rate
•
LKM:
Noise margin (Link Margin)
•
BERo:
error rate 'bits'
Ratio between the number of false bits / number of transmitted bits during the measurement time
PER:
error rate 'packets'
Ratio between the number of false packets / number of transmitted packets during the measure-
ment time
Recall: Under DVB-C, a packet is made of 204 bites; a packet is "false" if it includes more than 8 wrong oc-
tets (correction by Reed Solomon coding).
– MCT059 –
REED
DEMODULATEUR
SOLOMON
BERo
DECODAGE
MPEG
PER
p.
56
Advertisement
Table of Contents
