构建面向未来的NGB接入网

本文从当前HFC双向技术改造入手,详尽分析了主要技术的实现路线,结合当前及未来市场趋势归纳总结出适合未来NGB特征的部署方式,从NGB网络部署提供了可鉴之处。

NGB Access Network Construction for the Future

Building the next generation of broadcast network(NGB) is a basic work for the radio and TV industry to accelerate the Three Network Convergence processes,and selecting two-way access network technology,which conforms to positioning of NGB,has important practical significance.To start with HFC two-way transformation technology,this paper analyzes implementation of key technology,discusses future deployment of NGB,and provides some references for NGB construction.