Energy and Path-Aware-Reliable Routing in Underwater Acoustic Wireless Sensor Networks

Algorithm 2

Routing mechanism.

1 S: Sender node;

2 N: Neighbor node of the sender node;

3 S send a data packet;

4 forround=1:enddo

5 whiledata packet not reached to sink nodedo

6  ifNext hop = Sink nodethen

7   ifthen

8    data packet accepted;

9    send ACK to sender;

10    Data reached to sink node = true

11   else

12    Select N as relay node;

13    Send REQ to N by the sink node;

14    Forward data by N;

15    data packet accepted;

16    Data reached to sink node = true;

17   end

18  else

19   Select N as destination;

20   ifthen

21    data packet accepted;

22    S = N

23   else

24    Select N as a relay node;

25    send REQ to N by N;

26    Forward data by N

27    data packet accepted;

28    S = N

29   end

30  end

31 end

32 end