A cross-layer design of user cooperation for rate adaptive wireless local area networks

Akeo Masuda, Shigeru Shimamoto

    Research output: Contribution to journalArticle

    1 Citation (Scopus)

    Abstract

    In this paper, we propose a cross-layer design of packet level cooperation for wireless LANs that support rate adaptation. While keeping compatibility with legacy wireless LANs, distributed control of multi-hop packet transmission is enabled without pre-negotiation of routing or pairing. These features are provided by prioritization scheme based on IEEE 802.11e EDCF in which we set the parameters according to the measured link condition at each terminal. Relaying packets with high transmission rate makes much efficient use of radio resource, and it leads not only to improve performance of the total system, but also to overcome the fairness issue known in rate adaptation, where the terminals with good link conditions cannot gain enough resource because of the time consumed by low data rate transmission. These advantages are confirmed through computer simulations considering packet error rate at each transmission which is assumed by receiving power calculated from the distance between source, relay, and destination terminals. Furthermore, we also discuss about the fairness between cooperation-enabled and legacy terminals when they coexist in the same system, in order to make gradual deployment feasible.

    Original languageEnglish
    Pages (from-to)776-783
    Number of pages8
    JournalIEICE Transactions on Communications
    VolumeE92-B
    Issue number3
    DOIs
    Publication statusPublished - 2009 Mar

    Fingerprint

    Wireless local area networks (WLAN)
    Local area networks
    Computer simulation

    Keywords

    • CSMA/CA
    • Rate adaptation
    • Wireless LANs
    • Wireless multi-hop networks

    ASJC Scopus subject areas

    • Electrical and Electronic Engineering
    • Computer Networks and Communications
    • Software

    Cite this

    A cross-layer design of user cooperation for rate adaptive wireless local area networks. / Masuda, Akeo; Shimamoto, Shigeru.

    In: IEICE Transactions on Communications, Vol. E92-B, No. 3, 03.2009, p. 776-783.

    Research output: Contribution to journalArticle

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