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    A network resource availability model for IEEE802.11a/b-based WLAN carrying different service types 
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    A network resource availability model for IEEE802.11a/b-based WLAN carrying different service types

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    Published version (259.9Kb)
    Volume
    103
    DOI
    10.1186/1687-1499-2011-103
    Journal
    EURASIP Journal on Wireless Communications and Networking
    ISSN
    1687-1499
    Metadata
    Show full item record
    Abstract
    Operators of integrated wireless systems need to have knowledge of the resource availability in their different access networks to perform efficient admission control and maintain good quality of experience to users. Network availability depends on the access technology and the service types. Resource availability in a WLAN is complex to gather when UDP and TCP services co-exist. Previous study on IEEE802.11a/b derived the achievable throughput under the assumption of inelastic and uniformly distributed traffic. Further study investigated TCP connections and derived a model to calculate the effective transmission rate of packets under the assumption of saturated traffic flows. The assumptions are too stringent; therefore, we developed a model for evaluating WLAN resource availability that tries to narrow the gap to more realistic scenarios. It provides an indication of WLAN resource availability for admitting UDP/TCP requests. This article presents the assumptions, the mathematical formulations, and the effectiveness of our model.
    Authors
    Luo, W; Bodanese, E
    URI
    http://qmro.qmul.ac.uk/xmlui/handle/123456789/4688
    Collections
    • Electronic Engineering and Computer Science [2362]
    Licence information
    © 2011 Luo and Bodanese; licensee Springer.
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