Implementation of LEACH, Hetero-LEACH, SEP and EEHC Protocols using MATLAB in Wireless Sensor Network

In this paper we have proposed different models and implementation of different energy efficiency protocols in Wireless Sensor Networks (WSN). We have analyzed as well as optimized the performance of the heterogenous LEACH protocol for different parameters. In this paper, the proposed models have been applied on the n-node network and the performance of the same has been calculated and shown with the help of results. Analysis of heterogenous LEACH simulation network is done. Performance of a clustering protocol is also determined by duration of stable and unstable period. Network Lifetime of Heterogeneous LEACH Protocol for €_ft1=1is much stable. Result prove that energy consumption remains almost same until the death of first node and after that it starts decreasing. In SEP cluster head of advance node is frequent become the cluster head than the normal node.Instablity period of SEP has reduced from that in heterogeneous LEACH and there is also improvement in stability period. With decrease in number of nodes, packets transmission reduces. Throughput is improved as; consumption per round in SEP. energy consumption has reduced in case of SEP than that in LEACH and Heterogeneous LEACH.

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