计算机科学 ›› 2015, Vol. 42 ›› Issue (3): 55-59.doi: 10.11896/j.issn.1002-137X.2015.03.012
张媛媛,肖创柏,王 坚
ZHANG Yuan-yuan, XIAO Chuang-bai and WANG Jian
摘要： 异构无线网络技术的发展、智能移动终端的普及、用户无线业务的快速增长以及QoS需求的个性化给网络接入选择带来巨大挑战。基于多属性决策理论和模糊逻辑理论,提出了一种新的面向用户多业务QoS需求的网络接入选择算法,其步骤主要包括选择预评估、构造关键参数量化决策矩阵、层次分析参数权重、确定理想方案、综合网络评估、网络选择。实验数据表明,本算法能够准确进行网络接入触发选择,减少乒乓效应,在移动终端速度和网络负载的变化情况下,能有效地进行网络选择,很好地解决了呼叫掉线和负载不均衡的问题。
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