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IEEE 802.15. 4 TSCH in Sub-GHz: Design Considerations and Multi-band Support
RISE - Research Institutes of Sweden, ICT, SICS. (Networked Embedded Systems)
RISE - Research Institutes of Sweden, ICT, SICS. (Networked Embedded Systems)ORCID-id: 0000-0001-7592-1048
RISE - Research Institutes of Sweden, ICT, SICS. (Networked Embedded Systems)ORCID-id: 0000-0003-3139-2564
RISE - Research Institutes of Sweden, ICT, SICS. Uppsala university, Sweden.ORCID-id: 0000-0002-2586-8573
2019 (engelsk)Inngår i: Proceedings of LCN 44, 2019Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

In this paper, we address the support of TimeSlotted Channel Hopping (TSCH) on multiple frequency bandswithin a single TSCH network. This allows to simultaneously runapplications with different requirements on link characteristicsand to increase resilience against interference. To this end, wefirst enable sub-GHz communication in TSCH, which has beenprimarily defined for the 2.4 GHz band. Thereafter, we proposetwo designs to support multiple physical layers in TSCH on thesame nodes. Our experimental evaluation shows that TSCH isapplicable in a wide range of data rates between 1.2 kbps and1000 kbps. We find that data rates of 50 kbps and below have along communication range and a nearly perfect link symmetry,but also have a 20x higher channel utilization compared to higherdata rates, increasing the risk of collisions. Using these findings,we show the advantages of the multi-band support on the exampleof synchronization accuracy when exchanging TSCH beaconswith a low data rate and application data at a high data rate.Index Terms—Sub-GHz communication, IEEE 802.15.4,TSCH, multi-band support, timeslot duration

sted, utgiver, år, opplag, sider
2019.
Emneord [en]
Sub-GHz communication, IEEE 802.15.4, TSCH, multi-band support, timeslot duration
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Identifikatorer
URN: urn:nbn:se:ri:diva-40903OAI: oai:DiVA.org:ri-40903DiVA, id: diva2:1375032
Konferanse
LCN 44: 44th IEEE Conference on Local Computer Networks (LCN).October 14-17, 2019, Osnabrück, Germany
Forskningsfinansiär
EU, Horizon 2020, 761586Knowledge FoundationTilgjengelig fra: 2019-12-03 Laget: 2019-12-03 Sist oppdatert: 2023-06-08bibliografisk kontrollert

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