Abstract
The Industrial Internet of Things (IIoT) is having an ever greater impact on industrial processes and the manufacturing sector, due the capabilities of massive data collection and interoperability with plant processes, key elements that are focused on the implementation of Industry 4.0. Wireless Sensor Networks (WSN) are one of the enabling technologies of the IIoT, due its self-configuration and self-repair capabilities to deploy ad-hoc networks. High levels of robustness and reliability, which are necessary in industrial environments, can be achieved by using the Time-Slotted Channel Hopping (TSCH) medium access the mechanism of the IEEE 802.15.4e protocol, penalizing other features, such as network connection and formation times, given that a new node does not know, a priori, the scheduling used by the network. This article proposes a new beacon advertising approach for a fast synchronization for networks under the TSCH-Medium Access Control (MAC) layer and Routing Protocol for Low-Power and Lossy Networks (RPL). This new method makes it possible to speed up the connection times of new nodes in an opportunistic way, while reducing the consumption and advertising traffic generated by the network.
Highlights
The increasing popularity of applications that are derived from the concept of Industry 4.0 is leading to the emergence of new requirements in the scope of connectivity and data collection
Giving support to this need for massive data and flows of information, interconnecting everything and enabling the digital transformation, is the role of technologies labelled under the Industrial Internet of Things denomination (IIoT)
Khoufi et al [18] compare with the state of the art a new scheme that allows for beacons to be sent through all channels of the Time-Slotted Channel Hopping (TSCH) network without collision, improving the results proposed in [16]
Summary
The increasing popularity of applications that are derived from the concept of Industry 4.0 is leading to the emergence of new requirements in the scope of connectivity and data collection. Giving support to this need for massive data and flows of information, interconnecting everything and enabling the digital transformation, is the role of technologies labelled under the Industrial Internet of Things denomination (IIoT). Among these technologies, a favourite candidate is the Wireless Sensor. Radio interferences or signal fading due to multi-path propagation and metal and other material obstacles are common issues that hinder transmissions, which, must be received with the according reliable delivery QoS (Quality of Service), and not with best-effort service behaviour
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