Journal article

Evaluating Bluetooth Low Energy Suitability for Time-Critical Industrial IoT Applications

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Publication Details

Author list: RONDÓN R, RONDÓN R, GIDLUND M, GIDLUND M

Publication year: 2017

Start page: 278

End page: 290

Number of pages: 13

ISSN: 1068-9605

DOI: http://dx.doi.org/10.1007/s10776-017-0357-0

View additional information: View in Web of Science


Abstract

In recent years, integration of wireless sensornetworks in industrial environments has greatly increased. With this trend, new fields such as industrial IoT have arisen, which in turn have opened the doors to new possibilities that are shaping the future of industrial automation. In contrast to regular wireless networks, however, industrial applications of WSN are characterized for being time-critical systems with highly stringent requirements that challenge all available technologies. Because of its ultra-low energy properties, compatibility with most mobile units, reduced production costs, robustness and hight hroughput, Bluetooth low energy (BLE) is a potential candidate for these settings. This article explores thepotential of BLE of meeting the real-time demands foundin the domain of industrial process automation and industrial IoT. In order to evaluate the suitability of the protocol for these scenarios, the effect of adaptations in the retransmission scheme on the reliability and timeliness performance are thoroughly studied. Three retransmission schemes are evaluated and simulation results proved that by optimally modifying the BLE retransmission model, a maximum delay below 46 ms and a packet loss rate in the order of 105 can be obtained, enabling BLE to fulfill the requirements of even the most demanding cases within the considered range of applications.


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