slugGrid Based Coverage Algorithm Using GPSR In Wireless Sensor Network
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2014, Vol 2, Issue 4
Abstract
Maintain long network lifetime of the wireless sensor network without affecting either coverage or connectivity is one of the issues in WSN. Redundant nodes in dense sensor network of the WSN wastes large amount of energy during deployment. An approach mentioned In this paper solve these issues with the help of virtual square grids and greedy perimeter stateless routing (GPSR) .The dividing method helps to divide the sensing area of each sensor node into square grids. The target node is a redundant node if all the grids’ centers are covered by its neighbors. In greedy forwarding location information of the sin k node is firstly tracked out and we send the data from the source node to the sink node without waiting for the reply. In some situations where the greedy fails then the perimeter forwarding is used to forward the data packets .The GPSR helps to improv e the life time of the network by avoiding unwanted energy wastage of redundant n odes during data transmission. The proposed dividing method and GPSR not only guarantee that the monitoring area is covered by sensors completely but also decrease the computational complexity and achieve best performance with fewer active nodes. In the aspect of average coverage degree and the number of active nodes, grid based coverage algorithm using GPSR is close to VSGCA, CCP, ERPC and better than Ottawa, in the aspect of time and space complexity. Compared with other algorithms it can achieve better quality of service.
Authors and Affiliations
ANCY EMMANUEL, PRIYADHARSINI. C
Keywords
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