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Proactive Policy Management using TBVH Mechanism in Heterogeneous Networks

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3 Author(s)
Shaikh, F. ; Middlesex Univ., London ; Mapp, G. ; Lasebae, A.

In order to achieve seamless interoperability in heterogeneous networking, it is vital to improve the context-awareness of the mobile node (MN) so that it is able to predict future network conditions with sufficient accuracy. In this paper, we introduce a predictive mathematical model for calculating the estimated Time Before Vertical Handover (TBVH) component from available network parameters. The model is practically implemented in OPNET and our simulation results confirm the validity of the concept. We then demonstrate how the knowledge of TBVH along with other network parameters can be applied by downward Quality of Service management policies which bundle multi-class traffic streams on to available network channels based on application QoS, device mobility patterns and prevailing channel conditions.

Published in:

Next Generation Mobile Applications, Services and Technologies, 2007. NGMAST '07. The 2007 International Conference on

Date of Conference:

12-14 Sept. 2007