<s>
Channel	B-Protocol
sounding	I-Protocol
is	O
a	O
technique	O
that	O
evaluates	O
the	O
radio	O
environment	O
for	O
wireless	O
communication	O
,	O
especially	O
MIMO	O
systems	O
.	O
</s>
<s>
To	O
minimize	O
or	O
use	O
the	O
multipath	O
effect	O
,	O
engineers	O
use	O
channel	B-Protocol
sounding	I-Protocol
to	O
process	O
the	O
multidimensional	O
spatial-temporal	O
signal	O
and	O
estimate	O
channel	O
characteristics	O
.	O
</s>
<s>
Channel	B-Protocol
sounding	I-Protocol
is	O
such	O
a	O
technique	O
that	O
can	O
estimate	O
the	O
channel	O
characteristics	O
for	O
the	O
simulation	O
and	O
design	O
of	O
antenna	O
arrays	O
.	O
</s>
<s>
The	O
real	O
time	O
UWB	O
MIMO	O
channel	B-Protocol
sounding	I-Protocol
is	O
greatly	O
improving	O
accuracy	O
of	O
localization	O
and	O
detection	O
,	O
which	O
facilitates	O
precisely	O
tracking	O
mobile	O
devices	O
.	O
</s>
