Markov model and a modified-SAW for network selection in a heterogeneous wireless environment

Fayssal Bendaoud
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引用次数: 1

Abstract

The network selection is one of the most important problems in nowadays networking issues; it means that the users want to be best served at each instant of its multimedia experience (VoIP and video conferencing services). In this paper, we address a real-world problem which is the frequent mobility of the users in heterogeneous networks. The paper proposes a framework that allows the users to select the best networks for the whole call session especially form a mobility perspective. The idea consists of starting by the path prediction which is done using the Markov model order 2. After that, we make the network selection on the zones of each predicted path to select one of them to be used by the user. The results show that our proposal performs very well compared to other proposed approaches while maintaining a good Quality of Service (QoS).
异构无线环境下网络选择的马尔可夫模型和改进saw
网络选择是当今网络问题中最重要的问题之一;它意味着用户希望在其多媒体体验(VoIP和视频会议服务)的每一刻都得到最好的服务。在本文中,我们解决了一个现实问题,即异构网络中用户的频繁移动。本文提出了一个允许用户在整个呼叫会话中选择最佳网络的框架,特别是从移动性的角度。这个想法包括从使用二阶马尔可夫模型的路径预测开始。然后,我们对每条预测路径的区域进行网络选择,从中选择一条供用户使用。结果表明,与其他提出的方法相比,我们的方法在保持良好的服务质量(QoS)的同时表现得非常好。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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