Survey on Implementation of VGDRA and its Comparative Analysis

In wireless sensor networks, exploiting the sink mobility has been considered as a good strategy to balance
the nodes energy dissipation. Despite its numerous advantages, the data dissemination to the mobile sink is
a challenging task for the resource constrained sensor nodes due to the dynamic network topology caused
by the sink mobility. For efficient data delivery, nodes need to reconstruct their routes toward the latest
location of the mobile sink, which undermines the energy conservation goal. In this paper, we present a
virtual grid based dynamic routes adjustment (VGDRA) scheme that aims to minimize the routes
reconstruction cost of the sensor nodes while maintaining nearly optimal routes to the latest location of the
mobile sink. We propose a set of communication rules that governs the routes reconstruction process
thereby requiring only a limited number of nodes to readjust their data delivery routes toward the mobile
sink. Simulation results demonstrate reduced routes reco