<s>
"	O
Wide-sense	O
stationarity	B-Algorithm
"	O
means	O
the	O
second-order	O
moments	O
of	O
the	O
channel	O
are	O
stationary	O
,	O
which	O
means	O
that	O
they	O
depends	O
only	O
on	O
the	O
time	O
difference	O
,	O
while	O
"	O
uncorrelated	O
scattering	O
"	O
refers	O
to	O
the	O
delay	O
τ	O
due	O
to	O
scatterers	O
.	O
</s>
<s>
Modelling	O
of	O
mobile	O
channels	O
as	O
WSSUS	O
(	O
wide	B-Algorithm
sense	I-Algorithm
stationary	I-Algorithm
uncorrelated	O
scattering	O
)	O
has	O
become	O
popular	O
among	O
specialists	O
.	O
</s>
