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Evaluation of Random Node Shutdown in wireless sensor network for improving energy efficiency

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4 Author(s)
Husni, H. ; Fac. of Electr. Eng., Univ. Teknol. MARA (UiTM) Terengganu, Dungun, Malaysia ; Enzai, N.I.M. ; Rais, N.A.M. ; Jusoh, Z.

Rapid advances in wireless communication technology recently have led to the development of sensor nodes to form wireless sensor network (WSN). However, these nodes have limited battery power and due to the nature of this technology which enables communication between nodes which can be deployed anywhere including hard-accessed area, thus it is not feasible to recharge or replace the batteries. Therefore power consumption of each sensor node should be minimized so that overall network lifetime will be increased. In order to minimize power consumption, some nodes which can be considered redundant, can be put to shutdown mode. In this paper, a shutdown technique is being proposed. The technique is Random Node Shutdown. In this technique, nodes are randomly shutdown according to the criteria and conditions defined. This technique is examined and simulated using the NS2 simulation environment to find the best scenario for the proposed algorithm.

Published in:

Business Engineering and Industrial Applications Colloquium (BEIAC), 2012 IEEE

Date of Conference:

7-8 April 2012