Energy Balanced Redeployment Algorithm for Heterogeneous Wireless Sensor Networks

Algorithm 2

EBRA.

// : the number of the logic neighbors of node

// : the sampling time

Step  1. Find out logic neighbors node in of node ;

Step  2. For

 Step  2.1. Set distance coefficient

 Step  2.2.

  Calculate the virtual force between node and its neighbor node ;

 Step  2.3.

  Compare the energy of node and node ,

 Step  2.4.

  Calculate the energy differential coefficient to fix the Virtual force,

Step  3. Calculate the resultant virtual force;

Step  4. Calculate the accelerated speed and speed of node and then move node to new position;

Step  5. Update ;

Step  6. Go back to Step  1.

Step  7. Find out logic neighbors node in of node ;

Step  8. For

 Step  8.1. Calculate the virtual force between node and its logic neighbor ;

Step  9. Calculate the resultant virtual force considering node level ;

Step  10. Calculate the accelerated speed of node and speed , node move to new position;

Step  11. Update to

Step  12. Go back to Step  1.