Algorithm 2 Adaptive Link Maintenance and Reinforcement Algorithm-Run at RN
1:	R(u,v) ← ø;	▹ u,v ∈ G
2:	while true do
3:	while state == Stand-by do
4:	if Receive a MREQ from v then
5:	Obtain position information of u and v;
6:	Move to mid(u,v);
7:	Send a CHG-NEXT-HOP to u;
8:	State = Relaying;
9:	end if
10:	end while
11:	while State == Relayingdo
12:	Pause for time(talm);
13:	Obtain R(u,v) from v;
14:	if R(u,v) < Rreq then
15:	Move to mid(u,v);
16:	else
17:	Stop at present position;
18:	Send a CHG-NEXT-HOP to u;
19:	State = Stand-by;
20:	end if
21:	end while
22:	end while