Dr. P. Sengottuvelan , P. Sathya


One of the most significant concerns in the maneuver of Wireless Sensor Network (WSN) is the real-time data delivery. This paper addresses the crisis of real-time data delivery and void node problem in three dimensional WSN, which has a significant impact on the network performance. In order to provide a precise route calculation for reliable data delivery the third coordinate of the location sensor nodes is considered in this article. Additionally, two different heuristic solutions for void node problem in three dimensional spaces have been provided to lift up the effect of long route and spares regions on assurance of real-time data delivery. In order to afford a wide applicable soft real-time routing protocol two decentralized geographical routings are proposed: Three Dimensional Real-Time Geographical Routing Protocol (3DRTGP) and Energy-Aware Real-Time Routing Protocol for Wireless Sensor Networks (EART). 3DRTGP and EART are deliberate to fit with WSNs that are deployed in 3D space. Both protocols promote from utilizing the third coordinate of nodes’ locations to achieve less packet end to end (E2E) delay and packet miss ratio. In 3DRTGP, void node problem in 3D space was solved based on adaptive packet forwarding (PFR) region. 3D-VNP solution solely was done locally and without any messaging overhead.



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