<s>
In	O
wireless	O
communication	O
systems	O
,	O
the	O
rise	B-General_Concept
over	I-General_Concept
thermal	I-General_Concept
(	O
ROT	O
)	O
indicates	O
the	O
ratio	O
between	O
the	O
total	O
interference	O
received	O
on	O
a	O
base	O
station	O
and	O
the	O
thermal	O
noise	O
.	O
</s>
<s>
The	O
acceptable	O
level	O
of	O
ROT	O
is	O
often	O
used	O
to	O
define	O
the	O
capacity	O
of	O
systems	O
using	O
CDMA	B-Protocol
(	O
code-division	B-Protocol
multiple	I-Protocol
access	I-Protocol
)	O
.	O
</s>
