NMR inspired energy efficient protocol for heterogeneous wireless sensor network

This paper presents a naked mole rat (NMR) inspired energy efficient protocol for heterogeneous wireless sensor network. NMR uses strategic deployment among three types of nodes i.e. normal nodes, advanced nodes and super nodes. It takes into consideration that nodes near the base station consumes more energy as they have to act as both data originators as well as data router, therefore nodes near the base station have been provided with maximum amount of energy. Moreover, it is seen that normal nodes in heterogeneous network dies out first. So, in order to increase the stability period, advanced nodes have been associated with normal nodes which add to the energy of the normal nodes as advanced nodes don’t participate directly in the communication. Another addition is introduction of new weighted probability based on heterogeneity parameters of network for cluster head selection. Furthermore, a very important energy consumption parameter i.e. energy consumed in sensing has been taken into consideration. The simulation outcomes show that NMR based protocol is more proficient than existing protocols in terms of stability, lifetime and throughput of the network.