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A Cross-Layer User Centric Vertical Handover Decision Approach Based on MIH Local Triggers

  • Maaz Rehan
  • Muhammad Yousaf
  • Amir Qayyum
  • Shahzad Malik
Part of the IFIP Advances in Information and Communication Technology book series (IFIPAICT, volume 308)

Abstract

Vertical handover decision algorithm that is based on user preferences and coupled with Media Independent Handover (MIH) local triggers have not been explored much in the literature. We have developed a comprehensive cross-layer solution, called Vertical Handover Decision (VHOD) approach, which consists of three parts viz. mechanism for collecting and storing user preferences, Vertical Handover Decision (VHOD) algorithm and the MIH Function (MIHF). MIHF triggers the VHOD algorithm which operates on user preferences to issue handover commands to mobility management protocol. VHOD algorithm is an MIH User and therefore needs to subscribe events and configure thresholds for receiving triggers from MIHF. In this regard, we have performed experiments in WLAN to suggest thresholds for Link Going Down trigger. We have also critically evaluated the handover decision process, proposed Just-in-time interface activation technique, compared our proposed approach with prominent user centric approaches and analyzed our approach from different aspects.

Keywords

MIH Vertical Handover Decision Cross-layer User Centric Approach 

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Copyright information

© IFIP International Federation for Information Processing 2009

Authors and Affiliations

  • Maaz Rehan
    • 1
  • Muhammad Yousaf
    • 2
  • Amir Qayyum
    • 1
  • Shahzad Malik
    • 3
  1. 1.CoReNeTM. A. Jinnah UniversityIslamabadPakistan
  2. 2.Center for Advanced Studies in Engineering (C@SE)IslamabadPakistan
  3. 3.COMSATS Institute of Information Technology (CIIT)IslamabadPakistan

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