… Each sensor node sends the sensed data to its cluster head… gateways nodes take up the
role to reduce the energy consumption of cluster head and decrease probability of failure nodes…

… The Gateway node has two or more cluster heads as its neighbours. When the clusters
are disjoint, at least there one cluster head and another gateway node should present. A …

… gives suggestion to elect the cluster head nodes and gateway nodes for both primary and
… of the cluster head among the sensor nodes and avoids frequent selection of cluster head, …

… is in its cluster, and if the target node is in its cluster, it sends the … cluster head sends data
packets to the gateway node. The gateway node now sends the data cluster to the next cluster …

… In each cluster, nodes are considered as any one of the category, namely Cluster Head (CH),
cluster member and gateway. For each cluster, any node can select as CH and act as a …

… cluster consists of member nodes and a cluster head (CH). CH is responsible for collecting
and aggregating data from the member nodes … nodes as a gateway node if two CH nodes are …

… Gateway Node (CG): Cluster Gateway is a border node which is … Gateway nodes are
border node of a cluster that is significantly helpful for intra-cluster routing as well as inter –cluster …

… In each level we use energy efficient cluster head selection algorithm to select appropriate
cluster heads. Simulation results shows that our proposed algorithm EECA-Mhop could better …

… through a centralized node that is called a Cluster Head Gateway (CHG) [1]. As … Cluster
Head Gateway in cluster 1, to send a packet from a node S1 in cluster 1 to a node D2 in cluster 2, …

… nodes send data to cluster head, and cluster head sends data to gateway nodes. The … Make
Clusters by allocating the cluster head to each node of the network on the basis of minimum …