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电子学报  2014 

基于混沌遗传的异构无线网络接入选择策略

DOI: 10.3969/j.issn.0372-2112.2014.08.016, PP. 1564-1570

Keywords: 异构无线网络,网络接入选择,超混沌,混沌遗传

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Abstract:

为了解决异构无线网络接入选择问题,提出一种基于混沌遗传算法的解决方法.将网络接入选择转换为一个多属性优化问题,利用混沌遗传算法解决全局寻优问题.算法首先通过超混沌系统产生初始种群和混沌扰动向量,对遗传算法进行改进;然后利用混沌遗传算法对适应度函数求解得到网络选择评价指标权重.仿真结果表明,该算法能够使新到达的用户更均匀地分布在各备选网络中,有效降低网络阻塞率并减小各候选网络阻塞率差距,实现网络的负载均衡.

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