Abstract
Providing uninterrupted internet services in heterogeneous wireless networks is a difficult job to accomplish. Traditional approaches are limited to specific scenarios. Therefore, to provide a generic connectivity in heterogeneous wireless networks, we proposed a vertical handover management scheme based on the data rate of a mobile user. The proposed scheme performs handover triggering using Simple Additive Weighting (SAW) and Technique for Order of Preference by Similarity to Ideal Solution (TOPSIS) to select the optimal network for the handover. The proposed scheme is compared with Media Independent Handover (MIH) standard in the context of handover delay, packet loss ratio, throughput, and failed handovers. The proposed scheme outperform MIH standard and due to its simple architecture it can be used with existing technologies.
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