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Context-aware handoff decision for wireless access networks using Bayesian networks

Published:12 October 2009Publication History

ABSTRACT

One of the challenging tasks of current generation wireless networks consist of supporting service continuity when users roam around different networks such as Wi-Fi, Bluetooth, and Cellular networks. This happens especially when dealing with applications such as multimedia streaming that distribute time continuous data with stringent Quality of Service (QoS) requirements like bandwidth, jitter, delay and packet loss. Session handover can solve this problem by ensuring service continuity through minimization of flow interruptions when users are mobile. Building upon a new Bayesian Belief framework, this paper proposes a context-aware handoff decision process that uses a multi-criteria decision making model to support QoS-based mobility in wireless networks. Using the widely deployed "Hugin Expert" Bayesian belief support tool, we illustrate its deployment in a network environment where mobility decisions are taken to roam around Wi-Fi or Bluetooth networks.

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  1. Context-aware handoff decision for wireless access networks using Bayesian networks

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    • Published in

      cover image ACM Other conferences
      SAICSIT '09: Proceedings of the 2009 Annual Research Conference of the South African Institute of Computer Scientists and Information Technologists
      October 2009
      225 pages
      ISBN:9781605586434
      DOI:10.1145/1632149

      Copyright © 2009 ACM

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      Association for Computing Machinery

      New York, NY, United States

      Publication History

      • Published: 12 October 2009

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