A Fuzzy-Logic-Based Double -Learning Routing in Delay-Tolerant Networks

Algorithm 1

FDQLR.

Input:

Destination node, d

Current node, c

The set of neighbors of c,

One neighbor of node c,

The set of neighbors of i,

One neighbor of i,

Output:

Optimal next hop,

1: for alldo

2: Compute multiple factors of NAF, CIF, and MSF by Equations (6)–(8)

3: Compute by fuzzy set and rules

4: Compute by Equation (5)

5: Randomly update or by Equation (2) or Equation (4), respectively

6: Compute by Equation (11)

7: if is then

8:  

9:  return

10: else

11: for alldo

12:  Use the intermediate value mechanism to compute by Equation (12)

13:  Update by Equation (11)

14:  Compute by Equation (13)

15:  Compute by Equation (15)

16: end for

17: end if

18:end for

19:

20:return