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Open AccessArticle

A Joining Procedure and Synchronization for TSCH-RPL Wireless Sensor Networks

1
Instituto Tecnológico de Informática (ITI), Valencia 46022, Spain
2
DISCA, Universitat Politècnica de València (UPV), Valencia 46022, Spain
3
DCOM, Universitat Politècnica de València (UPV), Valencia 46022, Spain
*
Author to whom correspondence should be addressed.
Sensors 2018, 18(10), 3556; https://doi.org/10.3390/s18103556
Received: 3 August 2018 / Revised: 16 October 2018 / Accepted: 17 October 2018 / Published: 20 October 2018
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. View Full-Text
Keywords: WSN; synchronization; IoT; IIoT; TSCH WSN; synchronization; IoT; IIoT; TSCH
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Vera-Pérez, J.; Todolí-Ferrandis, D.; Santonja-Climent, S.; Silvestre-Blanes, J.; Sempere-Payá, V. A Joining Procedure and Synchronization for TSCH-RPL Wireless Sensor Networks. Sensors 2018, 18, 3556.

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