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Open AccessArticle

Wireless Sensor Network Synchronization for Precision Agriculture Applications

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Department of Informatics, Ionian University, GR-49100 Corfu, Greece
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Department of Informatics and Telecommunications, University of Ioannina, GR-47100 Arta, Greece
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Department of Audio and Visual Arts, Ionian University, GR-49100 Corfu, Greece
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Author to whom correspondence should be addressed.
Agriculture 2020, 10(3), 89; https://doi.org/10.3390/agriculture10030089
Received: 3 February 2020 / Revised: 10 March 2020 / Accepted: 17 March 2020 / Published: 24 March 2020
The advent of Internet of Things has propelled the agricultural domain through the integration of sensory devices, capable of monitoring and wirelessly propagating information to producers; thus, they employ Wireless Sensor Networks (WSNs). These WSNs allow real time monitoring, enabling intelligent decision-making to maximize yields and minimize cost. Designing and deploying a WSN is a challenging and multivariate task, dependent on the considered environment. For example, a need for network synchronization arises in such networks to correlate acquired measurements. This work focuses on the design and installation of a WSN that is capable of facilitating the sensing aspects of smart and precision agriculture applications. A system is designed and implemented to address specific design requirements that are brought about by the considered environment. A simple synchronization scheme is described to provide time-correlated measurements using the sink node’s clock as reference. The proposed system was installed on an olive grove to assess its effectiveness in providing a low-cost system, capable of acquiring synchronized measurements. The obtained results indicate the system’s overall effectiveness, revealing a small but expected difference in the acquired measurements’ time correlation, caused mostly by serial transmission delays, while yielding a plethora of relevant environmental conditions. View Full-Text
Keywords: smart agriculture; precision agriculture; internet of things; wireless sensor network; network synchronization; crop monitoring; olive grove monitoring smart agriculture; precision agriculture; internet of things; wireless sensor network; network synchronization; crop monitoring; olive grove monitoring
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Zervopoulos, A.; Tsipis, A.; Alvanou, A.G.; Bezas, K.; Papamichail, A.; Vergis, S.; Stylidou, A.; Tsoumanis, G.; Komianos, V.; Koufoudakis, G.; Oikonomou, K. Wireless Sensor Network Synchronization for Precision Agriculture Applications. Agriculture 2020, 10, 89.

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