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Cross-technology Clear Channel Assessment for Low-Power Wide Area Networks
Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Computer Architecture and Computer Communication.ORCID iD: 0000-0001-6581-314X
Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Computer Architecture and Computer Communication.
Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Computer Architecture and Computer Communication.ORCID iD: 0000-0002-8359-5745
Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Computer Architecture and Computer Communication.
2019 (English)In: Proceedings of The 16th IEEE International Conference on Mobile Ad-Hoc and Smart Systems, 2019Conference paper, Published paper (Refereed)
Abstract [en]

Due to their popularity, large coverage areas, and diversity of radio technologies, Low Power Wide Area Networks( LPWAN) will experience high levels of cross-technology interfer-ence. In this work, we  investigate the impact of LoRa interferenceon IEEE 802.15.4 (Wi-SUN) networks. Using hardware experiments, we characterize the interaction between these two verydifferent radio technologies. In particular, we observe that the IEEE 802.15.4 Clear Channel Assessment (CCA) mechanism does not  reliably detect interfering LoRa transmissions. We therefore propose an enhanced CCA mechanism based on a Multi-Layer Perceptron classifier and show that it significantly reduces the number of unsuccessful transmissions, while remaining compatible with the IEEE 802.15.4 standard.

Place, publisher, year, edition, pages
2019.
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:uu:diva-397917OAI: oai:DiVA.org:uu-397917DiVA, id: diva2:1373988
Conference
The 16th IEEE International Conference on Mobile Ad-Hoc and Smart Systems
Available from: 2019-11-28 Created: 2019-11-28 Last updated: 2019-12-06

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Orfanidis, CharalamposFeeney, Laura MarieJacobsson, MartinGunningberg, Per

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