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2008

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

8 years 8 months ago
Cross-layer Optimized Vertical Handover Schemes between Mobile WiMAX and 3G Networks
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.
Jaeho Jo, Jinsung Cho
Added 12 Dec 2010
Updated 12 Dec 2010
Type Journal
Year 2008
Where ITIIS
Authors Jaeho Jo, Jinsung Cho
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