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Published in:
2011 | OriginalPaper | Chapter
A Multi-objective Approach for Data Collection in Wireless Sensor Networks
Authors : Christelle Caillouet, Xu Li, Tahiry Razafindralambo
Published in: Ad-hoc, Mobile, and Wireless Networks
Publisher: Springer Berlin Heidelberg
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Wireless sensors networks (WSNs) are deployed to collect huge amounts of data from the environment. This produced data has to be delivered through sensor’s wireless interface using multi-hop communications toward a sink. The position of the sink impacts the performance of the wireless sensor network regarding delay and energy consumption especially for relaying sensors. Optimizing the data gathering process in multi-hop wireless sensor networks is, therefore, a key issue. This article addresses the problem of data collection using mobile sinks in a WSN. We provide a framework that studies the trade-off between energy consumption and delay of data collection. This framework provides solutions that allow decision makers to optimally design the data collection plan in wireless sensor networks with mobile sinks.