An energy efficient grid based Data Dissemination routing mechanism to mobile sinks in Wireless Sensor Network

Abstract

Typical wireless sensor networks consist of sinks, events, and a large number of tiny, multifunctional and battery-powered sensor nodes. In Wireless Sensor Networks, data dissemination to multiple mobile sinks consumes a lot of energy. Various grid-based data dissemination schemes have been proposed over the years to reduce the energy consumption in Wireless Sensor Networks. Energy is one of the most important aspects for designing a data dissemination protocol for the applications such as battle-field monitoring, habitat monitoring etc. We present EEGBDD, a Novel Aware Data Dissemination scheme for randomly deployed wireless sensor networks. The proposed scheme is energy-efficient for handling both sink and source mobility. EEGBDD relies on virtual grid- based infrastructure for data dissemination from multiple mobile sources to multiple mobile sinks. Furthermore we proposed a diagonal forwarding algorithm for query and data forwarding which ensures that only one dissemination node forwards the query and data at a time. In EEGBDD, alternate dissemination nodes are selected in advance during grid construction process and minimum threshold energy level is defined for dissemination nodes. As soon as the energy of a dissemination node reaches to the minimum threshold value, it is replaced by an alternate dissemination node. The simulation results and theoretical analysis show that the proposed EEGBDD scheme performs better than the existing data dissemination schemes such as TTDD.