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Journal Articles Sensors Year : 2021

6DYN: 6TiSCH with Heterogeneous Slot Durations

Quentin Lampin
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Dominique Barthel
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New radio chips implement different physical layers, allowing firmware to change modulation, datarate and frequency dynamically. This technological development is an opportunity for industrial low-power wireless networks to offer even higher determinism, including latency predictability. This article introduces 6DYN, an extension to the IETF 6TiSCH standards-based protocol stack. In a 6DYN network, nodes switch physical layer dynamically on a link-by-link basis, in order to exploit the diversity offered by this new technology agility. To offer low latency and high network capacity, 6DYN uses heterogeneous slot durations: the length of a slot in the 6TiSCH schedule depends on the physical layer used. This article shows how reserved bits in 6TiSCH headers can be used to standardize 6DYN and details its implementation in OpenWSN, a reference implementation of 6TiSCH.
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Dates and versions

hal-03538216 , version 1 (20-01-2022)



Mina Rady, Quentin Lampin, Dominique Barthel, Thomas Watteyne. 6DYN: 6TiSCH with Heterogeneous Slot Durations. Sensors, 2021, 21 (5), ⟨10.3390/s21051611⟩. ⟨hal-03538216⟩


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