Enhanced service differentiation extensions for the IEEE 802.11a wireless network

Seongkwan Kim, Sangwook Kang, Sunshin An

    Research output: Contribution to journalConference articlepeer-review

    Abstract

    This paper proposed EDWM (Extended DiffServ in the WLAN MAC) architecture, an extension of the IEEE 802.11-like MAC protocol to support various multimedia traffics. The proposed MAC consisted of three modules: Premium Service (EDWM/PS), Assured Service (EDWM /AS), and the Best-effort (EDWM/BE) functionalities. The EDWM/PS and the EDWM/AS were designed to provide the scheduling mechanism used in DiffServ routers, which were equivalent to Expedited Forwarding and Assured Forwarding, respectively, in order to guarantee QoS requirements such as low delay and bandwidth assurance. In the simulated performance, this novel approach increased the channel utilization, thus guaranteeing QoS for multimedia traffics at the same time preserving the traffic classification.

    Original languageEnglish
    Pages (from-to)478-483
    Number of pages6
    JournalProceedings - International Symposium on Computers and Communications
    Volume1
    Publication statusPublished - 2004
    EventProceedings - ISCC 2004, Ninth International Symposium on Computers and Communications - Alexandria, Egypt
    Duration: 2004 Jun 282004 Jul 1

    ASJC Scopus subject areas

    • Software
    • Signal Processing
    • General Mathematics
    • Computer Science Applications
    • Computer Networks and Communications

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