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Analysis and experimental evaluation of IEEE 802.15.4e TSCH CSMA-CA Algorithm
Univ. of Pisa.
SICS.
SICS.
Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Computer Architecture and Computer Communication. SICS, S-16429 Kista, Sweden. (UNO)ORCID iD: 0000-0002-2586-8573
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2017 (English)In: IEEE Transactions on Vehicular Technology, ISSN 0018-9545, E-ISSN 1939-9359, Vol. 66, no 2, 1573-1588 p.Article in journal (Refereed) Published
Abstract [en]

Time-slotted channel hopping (TSCH) is one of the medium access control (MAC) behavior modes defined in the IEEE 802.15.4e standard. It combines time-slotted access and channel hopping, thus providing predictable latency, energy efficiency, communication reliability, and high network capacity. TSCH provides both dedicated and shared links. The latter is special slots assigned to more than one transmitter, whose concurrent access is regulated by a carrier-sense multiple access with collision avoidance (CSMA-CA) algorithm. In this paper, we develop an analytical model of the TSCH CSMA-CA algorithm to predict the performance experienced by nodes when using shared links. The model allows for deriving a number of metrics, such as delivery probability, packet latency, and energy consumption of nodes. Moreover, it considers the capture effect (CE) that typically occurs in real wireless networks. We validate the model through simulation experiments and measurements in a real testbed. Our results show that the model is very accurate. Furthermore, we found that the CE plays a fundamental role as it can significantly improve the performance experienced by nodes.

Place, publisher, year, edition, pages
2017. Vol. 66, no 2, 1573-1588 p.
Keyword [en]
Capture effect (CE), IEEE 802.15.4e, time-slotted channel hopping (TSCH), wireless sensor and actuator networks (WSANs)
National Category
Computer Systems
Identifiers
URN: urn:nbn:se:uu:diva-308593DOI: 10.1109/TVT.2016.2553176ISI: 000395740300055OAI: oai:DiVA.org:uu-308593DiVA: diva2:1050358
Funder
Swedish Research CouncilVINNOVA
Available from: 2016-11-28 Created: 2016-11-28 Last updated: 2017-04-03Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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  • ieee
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