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Reality considerations when designing a TDMA-FDMA based link-layer for real-time WSN
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Computer Science.ORCID iD: 0000-0001-6248-6067
University of Ljubljana, Faculty of Computer and Information Science.
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Computer Science.ORCID iD: 0000-0003-0069-640X
University of Ljubljana, Faculty of Computer and Information Science.
2012 (English)In: Multiple Access Communications: 5th International Workshop, MACOM 2012, Maynooth, Ireland, November 19-20, 2012. Proceedings / [ed] Boris Bellalta, Encyclopedia of Global Archaeology/Springer Verlag, 2012, p. 93-96Conference paper, Published paper (Refereed)
Abstract [en]

In this article we elaborate on reality considerations when deploying wireless sensor networks with strict end-to-end delay requirement. Our improvements are particularly important for a design and implementation of strict real-time systems while at the same time we decrease overall power consumption. Firstly, we design and implement application tailored TDMA-FDMA medium access protocol with guaranteed end-to-end delay. Secondly, we integrate in the implementation of the protocol the bootstrapping mechanism and thirdly, the time synchronization mechanism. Next, we show that by combining medium access protocol, bootstrapping, and time synchronization mechanisms within the link-layer, we can limit on average clock drift in the network to 0.5 micro seconds, as well as achieve 81 % energy efficiency while keeping collision probability at its minimum of 1 %. Finally, we conclude with challenges and lessons learned in real-world deployment of TDMA/FDMA based link-layer with guaranteed end-to-end delay in wireless sensor networks.

Place, publisher, year, edition, pages
Encyclopedia of Global Archaeology/Springer Verlag, 2012. p. 93-96
Series
Lecture Notes in Computer Science, ISSN 0302-9743 ; 7642
National Category
Computer Sciences
Research subject
Dependable Communication and Computation Systems
Identifiers
URN: urn:nbn:se:ltu:diva-31600DOI: 10.1007/978-3-642-34976-8_11Scopus ID: 84869435112Local ID: 5d6d5cda-deef-422d-9a91-75a153ac9466ISBN: 978-3-642-34975-1 (print)ISBN: 978-3-642-34976-8 (electronic)OAI: oai:DiVA.org:ltu-31600DiVA, id: diva2:1004834
Conference
International Workshop on Multiple Access Communications : 19/11/2012 - 20/11/2012
Note
Validerad; 2012; 20121004 (ysko)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2018-06-05Bibliographically approved

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Riliskis, LaurynasOsipov, EvgenyBrodnik, Andrej

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