Abstract
Wireless Sensor Networks have become a key enabler for Industrial Internet of Things (IoT) applications; however, to adapt to the derived robust communication requirements, deterministic and scheduled medium access should be used, along with other features, such as channel hopping and frequency diversity. Implementing these mechanisms requires a correct synchronization of all devices in the network, a stage in deployment that can lead to non-operational networks. The present article presents an analysis of such situations and possible solutions, including the common current approaches and recommendations, and proposes a new beacon advertising method based on a specific Trickle Timer for the Medium Access Control (MAC) Time-Slotted Channel Hopping (TSCH) layer, decoupling from the timers in the network and routing layers. With this solution, improvements in connection success, time to join, and energy consumption can be obtained for the widely extended IEEE802.15.4e standard.
Highlights
Nowadays, the concept of the Internet of Things (IoT) is awakening great interest and achieving great popularity in the scope of emerging technologies
The Time-Slotted Channel Hopping (TSCH) medium access mechanism improves the reliability of communications considerably, since it is designed to work in industrial environments
The TSCH medium access mechanism improves the reliability of for steady-state operation, since its behaviour during the initial moments of the network is more communications considerably, since it is designed to work in industrial environments complicated when compared with other contention-based asynchronous mechanisms that use only where this type of interference hinders access to the radio environment
Summary
The concept of the Internet of Things (IoT) is awakening great interest and achieving great popularity in the scope of emerging technologies. IoT is at the core of many innovative applications and services supporting digital transformation, and takes advantage of the ever-increasing number of connected devices This set of technologies encompasses a multitude of scenarios and applications, such as Smart Cities, wearables, smart agriculture, health services, and vehicle-to-vehicle communication. The context in which this study is based is the development of a “Deploy & Forget” tool to facilitate the tasks of installing and operating a WSN in industrial scenarios and address the need to streamline the initial stages of synchronization and connection to the network The objective of this tool is that personnel without prior knowledge of communications are able to deploy a WSN without requiring external tools or qualified assistance, facilitating the adoption of wireless systems in industrial sectors
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