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A review of VHD approaches in next generation wireless networks

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3 Author(s)
Yussuf, A.A. ; Commun. Syst. & Networks Res. Lab., Univ. Teknol. Malaysia, Kuala Lumpur, Japan ; Hassan, W.H. ; Issa, S.

One of the most desirable features of next generation wireless networks is the ability to move seamlessly over different access networks regardless of the underlying infrastructure. Handovers between dissimilar networks may be facilitated by the use of an efficient vertical handover algorithm. This paper explores ongoing research on the development of vertical handover decision methods and their effectiveness. Our preliminary findings indicate that simple algorithms based on RSS values may facilitate vertical handovers with small delays but generally at a lower rate of throughput. Complex algorithms provide significant improvements in throughput but at a cost of higher delays. As such, there is a need for continued research to develop well-optimized algorithms that are able to yield high throughput while minimizing delays and lowering signaling cost especially in coping with the demands of real-time applications in next generation wireless networks.

Published in:

Digital Information and Communication Technology and it's Applications (DICTAP), 2012 Second International Conference on

Date of Conference:

16-18 May 2012

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