An accurate Markov model for slotted CSMA/CA algorithm in IEEE 802.15.4 networks

Jianhua He, Zuoyin Tang, Hsiao Hwa Chen (Lead / Corresponding author), Shu Wang

    Research output: Contribution to journalArticlepeer-review

    35 Citations (Scopus)

    Abstract

    In this letter we propose an Markov model for slotted CSMA/CA algorithm working in a non-acknowledgement mode, specified in IEEE 802.15.4 standard. Both saturation throughput and energy consumption are modeled as functions of backoff window size, number of contending devices and frame length. Simulations show that the proposed model can achieve a very high accuracy (less than 1% mismatch) if compared to all existing models (bigger than 10% mismatch).

    Original languageEnglish
    Pages (from-to)420-422
    Number of pages3
    JournalIEEE Communications Letters
    Volume12
    Issue number6
    DOIs
    Publication statusPublished - 1 Jun 2008

    Keywords

    • IEEE 802.15.4
    • MAC
    • Slotted CSMA/CA

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