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Article

Time Slotted Channel Hopping and ContikiMAC for IPv6 Multicast-Enabled Wireless Sensor Networks

1
Department of Electronics and Informatics (ETRO), Vrije Universiteit Brussel, 1050 Brussels, Belgium
2
Department of Engineering Technology (INDI), Vrije Universiteit Brussel, 1050 Brussels, Belgium
3
Communications Department, Technical University of Cluj-Napoca, 400027 Cluj-Napoca, Romania
*
Author to whom correspondence should be addressed.
Academic Editor: Ilaria De Munari
Sensors 2021, 21(5), 1771; https://doi.org/10.3390/s21051771
Received: 25 January 2021 / Revised: 24 February 2021 / Accepted: 26 February 2021 / Published: 4 March 2021
(This article belongs to the Special Issue Wireless Sensor Networks in Smart Homes)
Smart buildings benefit from IEEE 802.15.4e time slotted channel hopping (TSCH) medium access for creating reliable and power aware wireless sensor and actuator networks (WSANs). As in these networks, sensors are supposed to communicate to each other and with actuators, IPv6 multicast forwarding is seen as a valuable means to reduce traffic. A promising approach to multicast, based on the Routing Protocol for Low Power and Lossy Networks (RPL) is Bidirectional Multicast RPL Forwarding (BMRF). This paper aimed to analyze the performance of BMRF over TSCH. The authors investigated how an adequate TSCH scheduler can help to achieve a requested quality of service (QoS). A theoretical model for the delay and energy consumption of BMRF over TSCH is presented. Next, BMRF’s link layer (LL) unicast and LL broadcast forwarding modes were analyzed on restricted and realistic topologies. On topologies with increased interference, BMRF’s LL broadcast on top of TSCH causes high energy consumption, mainly because of the amount of energy needed to run the schedule, but it significantly improves packet delivery ratio and delay compared to ContikiMAC under the same conditions. In most cases, the LL unicast was found to outperform the LL broadcast, but the latter can be beneficial to certain applications, especially those sensitive to delays. View Full-Text
Keywords: IPv6 multicast; wireless sensor and actuator networks; bidirectional multicast RPL forwarding; time slotted channel hopping; Orchestra; ContikiMAC IPv6 multicast; wireless sensor and actuator networks; bidirectional multicast RPL forwarding; time slotted channel hopping; Orchestra; ContikiMAC
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MDPI and ACS Style

Teshome, E.; Deac, D.; Thielemans, S.; Carlier, M.; Steenhaut, K.; Braeken, A.; Dobrota, V. Time Slotted Channel Hopping and ContikiMAC for IPv6 Multicast-Enabled Wireless Sensor Networks. Sensors 2021, 21, 1771. https://doi.org/10.3390/s21051771

AMA Style

Teshome E, Deac D, Thielemans S, Carlier M, Steenhaut K, Braeken A, Dobrota V. Time Slotted Channel Hopping and ContikiMAC for IPv6 Multicast-Enabled Wireless Sensor Networks. Sensors. 2021; 21(5):1771. https://doi.org/10.3390/s21051771

Chicago/Turabian Style

Teshome, Eden, Diana Deac, Steffen Thielemans, Matthias Carlier, Kris Steenhaut, An Braeken, and Virgil Dobrota. 2021. "Time Slotted Channel Hopping and ContikiMAC for IPv6 Multicast-Enabled Wireless Sensor Networks" Sensors 21, no. 5: 1771. https://doi.org/10.3390/s21051771

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