<s>
In	O
mobility	O
management	O
,	O
the	O
restricted	B-General_Concept
random	I-General_Concept
waypoint	I-General_Concept
model	I-General_Concept
is	O
a	O
random	O
model	O
for	O
the	O
movement	O
of	O
mobile	O
users	O
,	O
similar	O
to	O
the	O
random	O
waypoint	O
model	O
,	O
but	O
where	O
the	O
waypoints	O
are	O
restricted	O
to	O
fall	O
within	O
one	O
of	O
a	O
finite	O
set	O
of	O
sub-domains	O
.	O
</s>
<s>
The	O
restricted	B-General_Concept
random	I-General_Concept
waypoint	I-General_Concept
models	I-General_Concept
the	O
trajectory	O
of	O
a	O
mobile	O
user	O
in	O
a	O
connected	O
domain	O
.	O
</s>
