ENERGY EFFICIENT APPROACH FOR DATA AGGREGATION IN Internet Of Things (IOT) USING NETWORK SIMULATOR 2 TOOL”

ECE

With the emergence of Internet of Thing (IoT), a gigantic rise has been seen in smart applications. IoT is going to be ubiquitous in the near future. Billions of sensors will be installed for the implementation of IoT applications which will generate a massive amount of data. Such massive amount of sensors, data and devices would cost huge amount of money. In addition to the installation cost, energy consumption by the IoT devices emerges as a prominent area of concern. Although IoT applications in themselves are considered to be very energy efficient, however their own energy consumption ratio is very high. Energy efficiency of IoT would make it the long term technology in the upcoming years. Due to small size of the sensor nodes, the energy consumption is the major issue of the network. The LEACH is the energy efficient protocol which can divide whole network into fixed size clusters. In each cluster, cluster heads are selected which can transmit data to base station. The cluster heads are selected in network based on the energy of each node and distance from sensor node to base station. The energy of the sensor node is dissipated when each node receive or transmit data to base station. In the proposed approach, the cache nodes are deployed between the cluster head and base station. The cluster heads will transmit the data to nearest gateway node and then gateway send data to the base station. The simulation of the proposed technique is done in NS2 and results are compared with the existing approach in terms of certain parameters. It is analyzed that proposed technique performs well as compared to existing technique.

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