Energy-Efficient Unequal Chain Length Clustering for Wireless Sensor Networks in Smart Cities

Algorithm 1

Cluster head selection.

() if    then

()

() end if

() if  beCandidateHead = True  then

()

(6) else

(7) EXIT;

(8) end if

(9) On receiving a form node

(10) if   OR   then

(11) Add to cluster group

(12) end if

(13) while  beCandidateHead = True do

(14) if  ,

  then

(15)

(16) Exit

(17) end if

(18) On receiving form node

(19) if    then

(20) and then EXIT

(21) end if

(22) On receiving a form node

(23) if    then

(24) Remove from cluster group

(25) end if

(26) end while

(27)

(28) On not receiving a form node

(29)