<s>
The	O
Manhattan	B-General_Concept
mobility	I-General_Concept
model	I-General_Concept
is	O
a	O
guide	O
which	O
leads	O
the	O
driver	O
of	O
a	O
vehicle	O
on	O
the	O
correct	O
path	O
.	O
</s>
<s>
It	O
is	O
an	O
urban	O
type	O
of	O
mobility	O
model	O
for	O
vehicular	B-Device
ad-hoc	I-Device
networks	I-Device
(	O
VANET	B-Device
)	O
.	O
</s>
<s>
The	O
Manhattan	B-General_Concept
mobility	I-General_Concept
model	I-General_Concept
uses	O
a	O
"	O
grid	O
road	O
topology	O
.	O
</s>
