radio access network

Possible Topology Architectures of 4G Radio Access Network

4G无线接入网拓扑结构展望

The function of PCU, the important network element in EDGE radio access network in user data transmission procedure, is described.

对无线接入网中数据传输的重要网络元素&PCU的功能进行了详细的描述，阐述了无线接入网中无线数据传输的原理。

It is well accepted by both the industrial circles and the academic circles that 4G should be an open network environment-heterogeneous wireless networks ( HWN), which can intelligently integrate the existing and the future radio access systems.

业界和学术界人士普遍认为，下一代无线通信系统应该是一个能够将现有的和未来将要出现的各种无线接入系统有机地融合在一起的开放式的异构无线网络。

Radio and television cable network as the main part of the urgent need for transformation of the existing two-way interactive network, to undertake, including broadband access, video on demand, video telephony and other two-way interactive services.

有线电视网络作为中国广播电视网的主要部分，急需对现有网络进行双向互动改造，承接包括宽带接入、视频点播、可视电话等多种双向互动业务。

A Design of User Radio Station in Wireless Access Network

无线接入网中无线用户固定台的设计