Accurate queuing analysis of IEEE 802.11 MAC layer

Changchun Xu, Kezhong Liu, Gan Liu, Jianhua He

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    16 Citations (Scopus)

    Abstract

    In this paper, we develop an analytical model for IEEE 802.11 MAC protocol with arbitrary buffer size in unsaturated conditions. The model comprises of a generalized Markov chain model and an M/G/1/K queuing model. We give the thorough and accurate queuing analysis of IEEE 802.11 MAC layer. It's shown that for practical 802.11 WLAN (i.e., buffer size larger than one and number of stations comparatively large) under the optimal offered load, the total throughput is maximized, the packet blocking probability (due to limited buffer size) and the average queuing delay tends to zero, the average MAC service delay as well as its standard deviation is much lower than that in saturated conditions. The simulations show the analytical model is highly accurate.

    Original languageEnglish
    Title of host publication2008 IEEE Global Telecommunications Conference, GLOBECOM 2008
    Place of PublicationUnited States
    Pages303-307
    Number of pages5
    DOIs
    Publication statusPublished - 8 Dec 2008
    Event2008 IEEE Global Telecommunications Conference, GLOBECOM 2008 - New Orleans, LA, United States
    Duration: 30 Nov 20084 Dec 2008

    Publication series

    NameGLOBECOM - IEEE Global Telecommunications Conference

    Conference

    Conference2008 IEEE Global Telecommunications Conference, GLOBECOM 2008
    CountryUnited States
    CityNew Orleans, LA
    Period30/11/084/12/08

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