• KSII Transactions on Internet and Information Systems
    Monthly Online Journal (eISSN: 1976-7277)

Cross-layer Optimized Vertical Handover Schemes between Mobile WiMAX and 3G Networks

Vol. 2, No.4, August 25, 2008
10.3837/tiis.2008.04.001, Download Paper (Free):

Abstract

Nowadays, wireless packet data services are provided over Wireless MAN (WMAN) at a high data service rate, while 3G cellular networks provide wide-area coverage at a low data service rate. The integration of mobile WiMAX and 3G networks is essential, to serve users requiring both high-speed wireless access as well as wide-area connectivity. In this paper, we propose a cross-layer optimization scheme for a vertical handover between mobile WiMAX and 3G cellular networks. More specifically, L2 (layer 2) and L3 (layer 3) signaling messages for a vertical handover are analyzed and reordered/combined, to optimize the handover procedure. Extensive simulations using ns-2 demonstrate that the proposed scheme enhances the performance of a vertical handover between mobile WiMAX and 3G networks: low handover latency, high TCP throughput, and low UDP packet loss ratio.


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Cite this article

[IEEE Style]
Jaeho Jo and Jinsung Cho, "Cross-layer Optimized Vertical Handover Schemes between Mobile WiMAX and 3G Networks," KSII Transactions on Internet and Information Systems, vol. 2, no. 4, pp. 171-183, 2008. DOI: 10.3837/tiis.2008.04.001

[ACM Style]
Jo, J. and Cho, J. 2008. Cross-layer Optimized Vertical Handover Schemes between Mobile WiMAX and 3G Networks. KSII Transactions on Internet and Information Systems, 2, 4, (2008), 171-183. DOI: 10.3837/tiis.2008.04.001