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Sensors 2016, 16(8), 1154; doi:10.3390/s16081154

A Network Coverage Information-Based Sensor Registry System for IoT Environments

1
Department of Computer and Radio Communications Engineering, Korea University, Anam-dong, Seongbuk-Gu, Seoul 136-701, Korea
2
Department of Statistics and Computer Science, Kunsan National University, Miryong-dong, Gunsan-si, Jeollabuk-do 573-701, Korea
3
Department of Biomedical Informatics, Ajou University School of Medicine, Woncheon-dong, Yeongtong-gu, Suwon 433-721, Korea
4
Department of Computer Science and Engineering, Korea University, Anam-dong, Seongbuk-Gu, Seoul 136-701, Korea
*
Authors to whom correspondence should be addressed.
Academic Editors: Mihai Lazarescu and Luciano Lavagno
Received: 19 April 2016 / Revised: 13 July 2016 / Accepted: 19 July 2016 / Published: 25 July 2016
(This article belongs to the Special Issue Data in the IoT: from Sensing to Meaning)
View Full-Text   |   Download PDF [10876 KB, uploaded 25 July 2016]   |  

Abstract

The Internet of Things (IoT) is expected to provide better services through the interaction of physical objects via the Internet. However, its limitations cause an interoperability problem when the sensed data are exchanged between the sensor nodes in wireless sensor networks (WSNs), which constitute the core infrastructure of the IoT. To address this problem, a Sensor Registry System (SRS) is used. By using a SRS, the information of the heterogeneous sensed data remains pure. If users move along a road, their mobile devices predict their next positions and obtain the sensed data for that position from the SRS. If the WSNs in the location in which the users move are unstable, the sensed data will be lost. Consider a situation where the user passes through dangerous areas. If the user’s mobile device cannot receive information, they cannot be warned about the dangerous situation. To avoid this, two novel SRSs that use network coverage information have been proposed: one uses OpenSignal and the other uses the probabilistic distribution of the users accessing SRS. The empirical study showed that the proposed method can seamlessly provide services related to sensing data under any abnormal circumstance. View Full-Text
Keywords: network coverage; Sensor Registry System; sensor information network coverage; Sensor Registry System; sensor information
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MDPI and ACS Style

Jung, H.; Jeong, D.; Lee, S.; On, B.-W.; Baik, D.-K. A Network Coverage Information-Based Sensor Registry System for IoT Environments. Sensors 2016, 16, 1154.

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