Network lifetime estimation of wireless sensor networks using communication protocols with non-parametric models Online publication date: Thu, 04-Oct-2018
by Govindarajan Saravanan; M.J.S. Rangachar
International Journal of Networking and Virtual Organisations (IJNVO), Vol. 19, No. 2/3/4, 2018
Abstract: In this research, the focus lies on estimating the network lifetime in wireless sensor networks with the aid of directional antenna. Two protocols are being proposed the (NLKM) network lifetime with Kaplan-Meier and (NLNPM) network lifetime with non-parametric model. In NLKM estimates where a control packet calculates all the sensor residual energy and decides whether to transmit or not based the residual energy. The directional antenna is used to avoid forwarding of packets in all direction and focus on the direction towards the destination and increasing its communication range based on dead nodes. In the second protocol NLNPM is similar to the operation where the residual energy is calculated with two thresholds dead and almost dead. This NLNPM-based protocol with censoring there by overcomes the limitation of empirical distribution of Kaplan-Meier analysis. Both protocols were simulated in ns2 simulator and compared for network lifetime.
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