Energy efficient routing is a one of the major trusted area in wireless sensor networks (WSNs). The wireless sensor network composed of a large number of sensor nodes which has limited energy resource. Nodes in networks are basically battery operated and thus have access to limited amount of energy. The sensor nodes are working through the battery, energy saving becomes more vital issue in WSNs. The lack of energy can lead to a link failure during an active communication session, which affects the throughput and energy wastage. The routing algorithms assure the concept of energy saving without affecting the Quality of Service (QoS) Parameters like Throughput, End to End Delay, Overhead and Packet Delivery Ratio. In the existing system AODV (Ad-hoc On-demand Distance Vector Routing) is implemented. The AODV Protocol is combination of DSR and DSDV Protocols. The proposed work is to implement LEACH (Low Energy Adaptive clustering Hierarchy) algorithm in modified AODV (MAODV) Protocol which decrease the system delay, overhead and increase the system throughput and packet delivery ratio. Simulation is performed using NS2 and results shows that the proposed system is better than the existing system. The proposed system energy consumption is decreased by 47% compared to the existing system.

Wireless Sensor Networks (WSNs), AODV, MAODV, LEACH Algorithm

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