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Analysis and Experimental Evaluation of IEEE 802.15.4e TSCH CSMA-CA Algorithm
University of Pisa, Pisa, Italy.
Chalmers University of Technology, Gothenburg, Sweden.
RISE - Research Institutes of Sweden, ICT, SICS.
RISE - Research Institutes of Sweden, ICT, SICS. Uppsala University, Uppsala, SwedenSweden.
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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., 7451274Article 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., 7451274
Keyword [en]
Capture effect (CE), IEEE 802.15.4e, time-slotted channel hopping (TSCH), wireless sensor and actuator networks (WSANs), Access control, Carrier communication, Carrier sense multiple access, Energy efficiency, Energy utilization, Wireless sensor networks, Capture effect, Carrier sense multiple access with collision avoidances, Communication reliabilities, Experimental evaluation, Medium access control(MAC), Slotted channels, Wireless sensor and actuator networks, Medium access control
National Category
Computer and Information Science
Identifiers
URN: urn:nbn:se:ri:diva-29357DOI: 10.1109/TVT.2016.2553176Scopus ID: 2-s2.0-85013077357OAI: oai:DiVA.org:ri-29357DiVA: diva2:1093804
Available from: 2017-05-08 Created: 2017-05-08 Last updated: 2017-05-08Bibliographically approved

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CiteExportLink to record
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Citation style
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