Development and Performance Evaluation of a New Energy-Efficient Double Cluster-Head Routing (EEDCR) Protocol for Wireless Sensor Networks

Algorithm 3

CNH intimation.

Assumption: The information is sent from CN to CNH via CN to CN multi-hop routing

Input: CN_INT, CNH_INT, SN_ID

//CN and CNH selected intimation to SNs

Output: CNH_INT_ACK, updating of routing table RT

Var: ACK, NXT_NEI, CNH_INTUPDATE

Begin

Every CN receives the CNH_INT with their SN_ID of the sender and SN_ID of CNH.

CNH_INT: <CNH_INT, SN_ID_CNj, SN_ID_CNH>

If (SN_ID_CNH = SN_ID_CNi) then

Begin

Send info (ACK, SN_ID_CNi, NXT_NEI);

//Sent the ACK to BS

End

   Else if (CNH_INTUPDATE==false)

      Begin

Update the RT (CNi) by adding SN_ID_CNH as CNH ID and next hop as SN_ID_CNj;

   Broadcast (CNH_INT, SN_ID_CNi, SN_ID_CNk);

//broadcast CNH_INT packet

   End

Else

Packet drop

End if

End