<s>
Block	B-Application
Error	I-Application
Rate	I-Application
(	O
BLER	B-Application
)	O
is	O
a	O
ratio	O
of	O
the	O
number	O
of	O
erroneous	O
blocks	O
to	O
the	O
total	O
number	O
of	O
blocks	O
transmitted	O
on	O
a	O
digital	O
circuit	O
.	O
</s>
<s>
The	O
BLER	B-Application
measurement	O
is	O
often	O
used	O
as	O
a	O
quality	O
control	O
measure	O
with	O
regards	O
to	O
how	O
well	O
audio	O
is	O
retained	O
on	O
a	O
compact	O
disc	O
over	O
time	O
.	O
</s>
<s>
BLER	B-Application
is	O
also	O
used	O
for	O
W-CDMA	B-Protocol
performance	O
requirements	O
tests	O
(	O
demodulation	O
tests	O
in	O
multipath	O
conditions	O
,	O
etc	O
.	O
)	O
.	O
</s>
<s>
BLER	B-Application
is	O
measured	O
after	O
channel	O
de-interleaving	O
and	O
decoding	O
by	O
evaluating	O
the	O
Cyclic	O
Redundancy	O
Check	O
(	O
CRC	O
)	O
on	O
each	O
transport	O
block	O
.	O
</s>
<s>
Block	B-Application
Error	I-Application
Rate	I-Application
(	O
BLER	B-Application
)	O
is	O
used	O
in	O
LTE/4G	O
technology	O
to	O
determine	O
the	O
in-sync	O
or	O
out-of-sync	O
indication	O
during	O
radio	O
link	O
monitoring	O
(	O
RLM	O
)	O
.	O
</s>
<s>
Normal	O
BLER	B-Application
is	O
2%	O
for	O
an	O
in-sync	O
condition	O
and	O
10%	O
for	O
an	O
out-of-sync	O
condition	O
.	O
</s>
