TAILIEUCHUNG - Efficient data access in WSN using AVGDRA scheme

This system also increase the lifetime of sensor nodes using an efficient AVGDRA(Advanced Virtual Grid Dynamic Route Adjustment) routing scheme. In this scheme a limited number of nodes to readjust their data delivery routes toward the mobile sink. | ISSN:2249-5789 Sincy Thomas et al, International Journal of Computer Science & Communication Networks,Vol 6(3),148-152 Efficient Data Access in WSN Using AVGDRA Scheme Sincy Thomas Syamamol T Dept. of CSE, Mangalam college of Engineering, Kottayam Email:sincythomas007@ Assistant Professor, Dept. of CSE, Mangalam college of Engineering, Kottayam Email: Abstract Wireless sensor network (WSN) refers to a group of dedicated sensors for monitoring and recording the physical conditions of the environment and organizing the collected data at a central location. Most of current research efforts in WSN focus on increasing the life time of sensor nodes, but only limited work have been done on providing efficient data access to users. This paper proposes an efficient mechanism to reduce the data access delay through static sink and mobile sub sinks .This system also increase the lifetime of sensor nodes using an efficient AVGDRA(Advanced Virtual Grid Dynamic Route Adjustment) routing scheme. In this scheme a limited number of nodes to readjust their data delivery routes toward the mobile sink. AVGDRA scheme has two phases, first cell heads needs to updates the latest location of the mobile sub sinks, second are data transferring. For efficient data delivery, nodes need to reconstruct their routes towards the latest location of the mobile sub sinks. AVGDRA scheme aims to minimize the routes reconstruction cost of the sensor nodes while maintaining nearly optimal routes to the latest location of the mobile sub sinks Implementation result shows reduced data access delay and improved network life time as compared to existing system. 1. Introduction Wireless sensor network (WSN) consists of nodes with sensing and communication capabilities. These nodes can communicate either among each other or directly to an external sink. A larger number of sensor nodes used for sensing over larger geographical area with greater accuracy. Sensor nodes in .

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