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Erschienen in:
2019 | OriginalPaper | Buchkapitel
Sensor Network Schedule Adaptation for Varying Operating Temperature
verfasst von : Krzysztof Trojanowski, Artur Mikitiuk
Erschienen in: Ad-Hoc, Mobile, and Wireless Networks
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Abstract
A problem of the sensor network lifetime maximization is typically solved for a fixed temperature, which means that the sensor battery performance is constant over the network time. However, networks usually have to operate in the varying temperature conditions, for example, outdoors, or in unheated rooms. The operating temperature variations influence network lifetime. Notably, sensors may discharge faster in temperatures below the one determined at the planning stage. Thus, the network cannot guarantee the required level of coverage over its entire lifetime. In this paper, we test network lifetime for the systems operating in conditions typical for the moderate climate zone in February and March. We also propose a method of the sensor schedule adaptation to the varying temperature conditions. The results show that appropriate rearrangement of slots in a schedule may significantly decrease the schedule corruption caused by the premature discharge of the sensors.