On the Benefit of Forward Error Correction at IEEE 802.11 Link Layer Level

Floris van Nee, Pieter-Tjerk de Boer

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    This study examines the error distribution of aggregated MPDUs in 802.11n networks and whether or not forward error correction like raptor coding at the link layer would be useful in these networks. Several experiments with Qualcomm 4x4 802.11n hardware were performed. Two devices were used in a data link, while a third device sniffed all transmitted packets. The collected data was analyzed and used to calculate the packet error rate which would be obtained if FEC was used in order to determine whether FEC is useful at the link layer. It is shown that the error distribution of A-MPDUs does not follow the binomial distribution. Because of this, the performance of FEC in real networks is worse than for theoretical cases where a binomial distribution is assumed. Therefore, other ways to decrease the packet error rate have more impact than forward error correction.
    Original languageUndefined
    Title of host publicationProceedings of the 17th International Workshop on Energy-Aware Communications (EUNICE 2011)
    Place of PublicationBerlin
    Number of pages12
    ISBN (Print)978-3-642-23540-5
    Publication statusPublished - Sep 2011
    Event17th International Workshop on Energy-Aware Communications, EUNICE 2011 - Dresden, Germany
    Duration: 5 Sep 20117 Sep 2011
    Conference number: 17

    Publication series

    NameLecture Notes in Computer Science
    PublisherSpringer Verlag
    ISSN (Print)0302-9743
    ISSN (Electronic)1611-3349


    Workshop17th International Workshop on Energy-Aware Communications, EUNICE 2011
    Abbreviated titleEUNICE


    • METIS-281647
    • EWI-21008
    • IR-78970

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