Theoretical analysis of TCP throughput in adhoc wireless networks

Hannan Xiao, K.C. Chua, J. Malcolm, Y. Zhang

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

    10 Citations (Scopus)
    58 Downloads (Pure)


    Researchers have used extensive simulation and
    experimental studies to understand TCP performance in adhoc
    wireless networks. In contrast, the objective of this paper is to
    theoretically analyze TCP performance in this environment. By
    examining the case of running one TCP session over a string
    topology, a system model for analyzing TCP performance in
    adhoc wireless networks is proposed, which considers packet
    buffering, nodes’ contention for access to the wireless channel,
    and spatial reuse of the wireless channel. Markov chain modelling
    is applied to analyze this system model. Analytical results show
    that when the number of hops that the TCP session crosses is
    fixed, the TCP throughput is independent of the TCP congestion
    window size. When the number of hops increases from one,
    the TCP throughput decreases first, and then stabilizes when
    the number of hops becomes large. The analysis is validated by
    comparing the numerical and simulation results.
    Original languageEnglish
    Title of host publicationIEEE GLOBECOM 2005 Proceedings
    PublisherInstitute of Electrical and Electronics Engineers (IEEE)
    ISBN (Print)9-7803-9415-1
    Publication statusPublished - 2005


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