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On modeling low-power wireless protocols based on synchronous packet transmissions
ETH Zurich, Switzerland.
ETH Zurich, Switzerland.
RISE, Swedish ICT, SICS.ORCID iD: 0000-0003-4560-9541
ETH Zurich, Switzerland.
2013 (English)In: Proceedings - IEEE Computer Society's Annual International Symposium on Modeling, Analysis, and Simulation of Computer and Telecommunications Systems, MASCOTS, 2013, p. 546-555, article id 6730811Conference paper, Published paper (Refereed)
Abstract [en]

Mathematical models play a pivotal role in understanding and designing advanced low-power wireless systems. However, the distributed and uncoordinated operation of traditional multi-hop low-power wireless protocols greatly complicates their accurate modeling. This is mainly because these protocols build and maintain substantial network state to cope with the dynamics of low-power wireless links. Recent protocols depart from this design by leveraging synchronous transmissions (ST), whereby multiple nodes simultaneously transmit towards the same receiver, as opposed to pair wise link-based transmissions (LT). ST improve the one-hop packet reliability to an extent that efficient multi-hop protocols with little network state are feasible. This paper studies whether ST also enable simple yet accurate modeling of these protocols. Our contribution to this end is two-fold. First, we show, through experiments on a 139-node test bed, that characterizing packet receptions and losses as a sequence of independent and identically distributed (i.i.d.) Bernoulli trials-a common assumption in protocol modeling but often illegitimate for LT-is largely valid for ST. We then show how this finding simplifies the modeling of a recent ST-based protocol, by deriving (i) sufficient conditions for probabilistic guarantees on the end-to-end packet reliability, and (ii) a Markovian model to estimate the long-term energy consumption. Validation using test bed experiments confirms that our simple models are also highly accurate, for example, the model error in energy against real measurements is 0.25%, a figure never reported before in the related literature.

Place, publisher, year, edition, pages
2013. p. 546-555, article id 6730811
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:ri:diva-47468DOI: 10.1109/MASCOTS.2013.76Scopus ID: 2-s2.0-84894597760ISBN: 9780769551029 (print)OAI: oai:DiVA.org:ri-47468DiVA, id: diva2:1465813
Conference
2013 IEEE 21st International Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication, MASCOTS 2013, 14 August 2013 through 16 August 2013, San Francisco, CA
Available from: 2020-09-10 Created: 2020-09-10 Last updated: 2023-05-25Bibliographically approved

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Mottola, Luca

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