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Sensors 2019, 19(1), 215; https://doi.org/10.3390/s19010215

Integration of a Mobile Node into a Hybrid Wireless Sensor Network for Urban Environments

1
Faculty of Engineering, Universidad de la Guajira, Riohacha 440001, Colombia
2
Robotics and Mechatronic Lab, Andalucía Tech, Universidad de Málaga, 29071 Málaga, Spain
*
Author to whom correspondence should be addressed.
This paper is an extended version of our conference paper published in Fernández-Lozano, J. J., Gómez-Ruiz, J. A., Martín-Guzmán, M., Martín-Ávila, J., Carlos, S. B., García-Cerezo, A. “Wireless Sensor Networks for Urban Information Systems: Preliminary Results of Integration of an Electric Vehicle as a Mobile Node.” In Proceedings of the ROBOT 2017: Third Iberian Robotics Conference, Sevilla, Spain, 22–24 November 2017.
Received: 27 October 2018 / Revised: 19 December 2018 / Accepted: 20 December 2018 / Published: 8 January 2019
(This article belongs to the Special Issue Design and Implementation of Future CPS)
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Abstract

Robots, or in general, intelligent vehicles, require large amounts of data to adapt their behavior to the environment and achieve their goals. When their missions take place in large areas, using additional information to that gathered by the onboard sensors frequently offers a more efficient solution of the problem. The emergence of Cyber-Physical Systems and Cloud computing allows this approach, but integration of sensory information, and its effective availability for the robots or vehicles is challenging. This paper addresses the development and implementation of a modular mobile node of a Wireless Sensor Network (WSN), designed to be mounted onboard vehicles, and capable of using different sensors according to mission needs. The mobile node is integrated with an existing static network, transforming it into a Hybrid Wireless Sensor Network (H-WSN), and adding flexibility and range to it. The integration is achieved without the need for multi-hop routing. A database holds the data acquired by both mobile and static nodes, allowing access in real-time to the gathered information. A Human–Machine Interface (HMI) presents this information to users. Finally, the system is tested in real urban scenarios in a use-case of measurement of gas levels. View Full-Text
Keywords: wireless sensor network; mobile sensors; hybrid wireless sensor networks; Cyber-Physical Systems; urban environment monitoring wireless sensor network; mobile sensors; hybrid wireless sensor networks; Cyber-Physical Systems; urban environment monitoring
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Socarrás Bertiz, C.A.; Fernández Lozano, J.J.; Gomez-Ruiz, J.A.; García-Cerezo, A. Integration of a Mobile Node into a Hybrid Wireless Sensor Network for Urban Environments. Sensors 2019, 19, 215.

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