Energy Efficient Distributed Fault Identification Algorithm in Wireless Sensor Networks

Algorithm 1

Distributed fault identification in WSN.

Data: Nodes, ,

Result: Calculate , , , , and

Initialize , , , , and

Partial self fault identification Phase

If    then

  ;

else

  if    then

    ;

  end

  if    then

    ;

  end

  Move to Algorithm 2

end

Self Diagnosis Phase

send to neighbors and receives from which is computed by the neighbors .

From received data the sensor node prepares .

if    then

  Node is detected as fault free sensor node.

else

  Node is detected as random faulty sensor node.

end