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电子学报  2004 

下一代无线网络中的移动性管理

, PP. 123-126

Keywords: 移动管理,网络层,应用层,全IP网络

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Abstract:

在4G全IP无线网络环境中,提供无缝隙的移动性支持是严峻的挑战之一.移动性管理协议可以在协议栈的不同层(如链路层、网络层、传输层及应用层)进行实现,无论是在哪一层实现,都有其优缺点.从结构上看,网络层是最适当的层,但它需要修改协议栈;而应用层上的移动性管理协议由于对低层特性是透明的,似乎是一个很好的选择,但它会引入较大的时延.因此,一个真正开放的、适应性强的、高效的移动管理方案是下一代无线系统亟待解决的问题.

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