THRESHOLD SENSITIVE DISTRIBUTED ENERGY EFFICIENT CLUSTERING ROUTING PROTOCOL FOR WIRELESS SENSOR NETWORKS

Wireless sensor networks consist of small battery powered devices with limited energy resources. Once deployed, the small sensor nodes are usually inaccessible to the user, and thus replacement of the energy source is not feasible. WSN must operate without human involvement. Hence, energy efficiency is a key design issue that needs to be enhanced in order to improve the life span of the network. Several network layer protocols have been proposed to improve the effective lifetime of a network with a limited energy supply. The network lifetime can be increased with the introduction of the heterogeneity in sensor nodes. The proposed is a hybrid routing protocol: TDEEC (Threshold Sensitive Distributed Energy Efficient Clustering) protocol for heterogeneous WSNs. We implemented TDEEC and compared it several protocols like LEACH, SEP and Z-SEP. Simulation results showed that TDEEC enhanced the stability period and throughput than existing protocols like LEACH, SEP and Z-SEP