Journal of Communications, Vol 6, No 2 (2011), 198-203, Apr 2011
doi:10.4304/jcm.6.2.198-203

A New Design Scheme for a Disperse Two Tiered Wireless Sensor Network

Biswajit Paul, Mohammad A. Matin

Abstract


In energy constrained Wireless Sensor Networks (WSN), network lifetime is considered as one of the most important metrics from the design point of view. In our paper, we have addressed the impact of a disperse node on network lifetime and have proposed a new design approach, Lifetime Enhancement for Disperse Networks (LEDN) to reduce its effect on a two tiered WSN. A mathematical analysis has also been presented in our paper to discuss the impact of a disperse node on network lifetime. Simulation studies confirm the significant improvement in network lifetime using our proposed design scheme.


Keywords


Wireless sensor network, disperse node, lifetime, minimum enclosing circle.

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