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Optimal Time Dependent Data Collection Schemes in Wireless Sensor Networks | IEEE Conference Publication | IEEE Xplore

Optimal Time Dependent Data Collection Schemes in Wireless Sensor Networks


Abstract:

In this paper, we investigate two relaxed versions of the time dependent (delay-constrained) data collection problem in wireless sensor networks, namely: (i) data collect...Show More

Abstract:

In this paper, we investigate two relaxed versions of the time dependent (delay-constrained) data collection problem in wireless sensor networks, namely: (i) data collection with minimal delay; and (ii) maximising the number of collected data with a given delay-constraint. Furthermore, these problems are studied in networks with rechargeable nodes, and lossy radio links, due to signal interference and channel fading. In this paper, we propose two decentralised algorithms to solve these problems, which, under certain assumptions, are optimal, in terms of achieving minimal delay, and maximal collected data, respectively. We prove that these algorithms have polynomial complexity. By using extensive simulations, we demonstrate that both algorithms have low communication overhead on average.
Date of Conference: 18-21 April 2010
Date Added to IEEE Xplore: 08 July 2010
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Conference Location: Sydney, NSW, Australia

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