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    Performance modeling of a two-tier primary-secondary network with IEEE 802.11 broadcast scheme

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    Type
    Conference Paper
    Authors
    Khabazian, Mehdi
    Aissa, Sonia
    El Kefi, Rania
    KAUST Department
    Physical Sciences and Engineering (PSE) Division
    Date
    2011-03
    Permanent link to this record
    http://hdl.handle.net/10754/564360
    
    Metadata
    Show full item record
    Abstract
    In this paper, we study the performance of a two-tier primary-secondary network based on IEEE 802.11 broadcast scheme. We assume that a number of primary and secondary users coexist in the radio environment and share a single band. To protect the primary users' priority, the secondary users are allowed to contend for the channel only if they sense it idle for a certain sensing time. Considering an exponential packet inter-arrival time for the primary network, we model each primary user as an independent M/G/1 queue. Subsequently, we determine the primary users' average medium access delay in the presence of secondary users as well as the hybrid network's throughput. Numerical results and discussions show the effects of parameters pertaining to the secondary users, such as as sensing time, packet payload size and population size, on the performance of the primary network. Furthermore, we provide simulation results which confirm the accuracy of the proposed analysis. © 2011 IEEE.
    Publisher
    Institute of Electrical and Electronics Engineers (IEEE)
    Journal
    2011 IEEE Wireless Communications and Networking Conference
    Conference/Event name
    2011 IEEE Wireless Communications and Networking Conference, WCNC 2011
    ISBN
    9781612842547
    DOI
    10.1109/WCNC.2011.5779221
    ae974a485f413a2113503eed53cd6c53
    10.1109/WCNC.2011.5779221
    Scopus Count
    Collections
    Conference Papers; Physical Sciences and Engineering (PSE) Division

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