<s>
The	O
Greedy	B-Protocol
Perimeter	I-Protocol
Stateless	I-Protocol
Routing	I-Protocol
in	I-Protocol
Wireless	I-Protocol
Networks	I-Protocol
is	O
a	O
routing	O
protocol	O
for	O
mobile	O
ad-hoc	O
networks	O
.	O
</s>
<s>
It	O
uses	O
a	O
greedy	B-Algorithm
algorithm	I-Algorithm
to	O
do	O
the	O
routing	O
and	O
orbits	O
around	O
a	O
perimeter	O
.	O
</s>
<s>
GPSR	B-Protocol
is	O
a	O
geo	O
routing	O
method	O
,	O
which	O
means	O
that	O
data	O
packages	O
are	O
not	O
sent	O
to	O
a	O
special	O
receiver	O
but	O
to	O
coordinates	O
.	O
</s>
