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    An adaptive QoS framework for integrated cellular and WLAN networks.

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    Publication date
    2005
    Author
    Min, Geyong
    Mellor, John E.
    Al-Begain, Khalid
    Wang, Xin Gang
    Guan, Lin
    Keyword
    QoS framework
    WLAN and cellular network integration,
    Bandwidth adaptation
    Reservation
    Peer-Reviewed
    Yes
    
    Metadata
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    Abstract
    The design of a network architecture that can efficiently integrate WLAN and cellular networks is a challenging task, particularly when the objective is to make the interoperation between the two networks as seamless and as efficient as possible. To provide end-to-end quality of service (QoS) support is one of the key stages towards such a goal. Due to various constraints, such as the unbalanced capacity of the two systems, handoff from user mobility and unreliable transmission media, end-to-end QoS is difficult to guarantee. In this paper, we propose a generic reservation-based QoS model for the integrated cellular and WLAN networks. It uses an adaptation mechanism to address the above issues and to support end-to-end QoS. The validity of the proposed scheme is demonstrated via simulation experiments. The performance results reveal that this new scheme can considerably improve the system resource utilization and reduce the call blocking probability and handoff dropping probability of the integrated networks while maintaining acceptable QoS to the end users.
    URI
    http://hdl.handle.net/10454/2951
    Version
    No full-text available in the repository
    Citation
    Min, G., Mellor, J.E., Al-Begain, K and Wang, X.G. et al. (2005). An adaptive QoS framework for integrated cellular and WLAN networks. Computer Networks. Vol. 47, No. 2, pp. 167-183.
    Link to publisher’s version
    http://www.comp.glam.ac.uk/staff/kbegain/webpage/Al-Begain.pdf
    Type
    Article
    Collections
    Engineering and Informatics Publications

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