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    Estimating Link Quality in 802.11 WLANs


    Giustiniano, Domenico and Malone, David and Leith, Douglas J. and Papagiannaki, Konstantina (2007) Estimating Link Quality in 802.11 WLANs. Technical Report. Hamilton Institute, Maynooth, Co. Kildare, Ireland. (Unpublished)

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    Abstract

    We propose a powerful new MAC/PHY cross-layer approach to estimating link quality in 802.11WLANs. Unlike previous approaches, we explicitly classify channel impairments into noise-related losses, collision induced losses, hidden-node losses and 802.11 impairments caused by exposed nodes and capture effects. Our approach distinguishes among these different types of impairments without requiring any modification to the 802.11 protocol and provides separate quantitative measures of the severity of each one. Our approach is suited to implementation on commodity hardware and we demonstrate both a prototype implementation and experimental assessments.

    Item Type: Monograph (Technical Report)
    Additional Information: We gratefully acknowledge the help of Richard Gass at Intel. Supported by Science Foundation Ireland grants IN3/03/I346 and 07/IN.1/I901.
    Keywords: Estimating Link Quality; 802.11 WLANs;
    Academic Unit: Faculty of Science and Engineering > Research Institutes > Hamilton Institute
    Item ID: 2215
    Depositing User: Dr. David Malone
    Date Deposited: 26 Oct 2010 15:46
    Publisher: Hamilton Institute
    Funders: Science Foundation Ireland grants IN3/03/I346 and 07/IN.1/I901.
    URI:

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