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异构网络是什么?
2022-06-10 05:42:00 【黄佳俊、】
异构网络(Heterogeneous Network)是一种类型的网络,其是由不同制造商生产的计算机,网络设备和系统组成的,大部分情况下运行在不同的协议上支持不同的功能或应用。
互联网可以由多个异构网络互联组成。用来连接异构网络的设备是路由器。
所谓异构 [3] 是指两个或以上的无线通信系统采用了不同的接入技术,或者是采用相同的无线接入技术但属于不同的无线运营商。利用现有的多种无线通信系统,通过系统间融合的方式,使多系统之间取长补短是满足未来移动通信业务需求一种有效手段,能够综合发挥各自的优势。由于现有的各种无线接入系统在很多区域内都是重叠覆盖的,所以可以将这些相互重叠的不同类型的无线接入系统智能地结合在一起,利用多模终端智能化的接入手段,使多种不同类型的网络共同为用户提供随时随地的无线接入,从而构成了如图1所示的异构无线网络。
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