Dual home agent (DHA)-based location management scheme in integrated cellular-WLAN networks

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    7 Citations (Scopus)

    Abstract

    For seamless integration of cellular and wireless local area network (WLAN) systems, we introduce a dual home agent (DHA)-based location management. The DHA maintains the location information both in the cellular and WLAN systems, and therefore unnecessary registration cost can be significantly reduced. In addition, a heuristic, which first looks for the called mobile node (MN) in the cellular system, is proposed to reduce the session setup latency. We analyze the registration cost, session setup delay, and registration delay. Numerical results demonstrate that Mobile IP with the DHA can reduce the registration cost significantly and allows a session setup delay that is comparable to that of the basic Mobile IP.

    Original languageEnglish
    Pages (from-to)3273-3283
    Number of pages11
    JournalComputer Networks
    Volume52
    Issue number17
    DOIs
    Publication statusPublished - 2008 Dec 8

    Bibliographical note

    Funding Information:
    This work was supported in part by a Korea University Grant and in part by the Ministry of Knowledge Economy, Korea, under the Information Technology Research Center support program supervised by the Institute of Information Technology Advancement (grant number IITA-2008-C1090-0803-0004).

    Copyright:
    Copyright 2008 Elsevier B.V., All rights reserved.

    Keywords

    • Cellular-WLAN integration
    • Dual home agent (DHA)
    • Mobile IP
    • Performance analysis

    ASJC Scopus subject areas

    • Computer Networks and Communications

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