Investigating upper bounds on lifetime for target tracking sensor networks
by Peng Zeng, Chuanzhi Zang, Haibin Yu
International Journal of Sensor Networks (IJSNET), Vol. 4, No. 3, 2008

Abstract: The distinctive characteristic of target tracking sensor networks is that the delay of data transmission is constrained, which poses a difficult problem for predicting the application lifetime for such sensor networks. In this paper, we first map the delay constraints to the hop bound in routing. By analysing the energy consumption in recurring bounded hop routing, we establish the relationship between individual sensors and the whole sensor network. On the basis of this relationship, we propose a novel model to formally define the lifetime of target tracking sensor networks. The model not only implies the best routing strategy, but also exposes the dependence of lifetime on factors such as hop bound, radio transmission range, sensing range and target behaviour. Finally, we present the results of extensive simulation to investigate the influence of some adjustable parameters in engineering on the lifetime.

Online publication date: Thu, 18-Dec-2008

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