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An Intelligent Handover Management System for Future Generation Wireless Networks

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Abstract

Future generation wireless networks should provide to mobile users the best connectivity to services anywhere at anytime. The most challenging problem is the seamless intersystem/vertical mobility across heterogeneous wireless networks. In order to answer it, a vertical handover management system is needed. In our paper, we propose an intelligent solution answering user requirements and ensuring service continuity. We focus on a vertical handover decision strategy based on the context-awareness concept. The given strategy chooses the appropriate time and the most suitable access network among those available to perform a handover. It uses advanced decision algorithms (for more efficiency and intelligence) and it is governed by handover policies as decision rules (for more flexibility and optimization). To maintain a seamless service continuity, handover execution is based on mobile IP functionalities. We study our decision system in a case of a 3G/UMTS-WLAN scenario and we discuss all the handover decision issues in our solution.

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Correspondence to Meriem Kassar.

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Open Access This article is distributed under the terms of the Creative Commons Attribution 2.0 International License (https://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Kassar, M., Kervella, B. & Pujolle, G. An Intelligent Handover Management System for Future Generation Wireless Networks. J Wireless Com Network 2008, 791691 (2008) doi:10.1155/2008/791691

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Keywords

  • Vertical Handover
  • Heterogeneous Wireless Network
  • Service Continuity
  • Handover Decision
  • Decision Issue