构建下一代广播电视网（NGB）实现“三网融合”

本文首先介绍“三网融合”的发展现状，分析用于“三网融合”的IPTV技术发展缓慢的内在因素，然后在分析下一代广播网（NGB）及其关键技术的基础上，论证了传统广播电视网能够也应该向NGB演进，最终实现“三网融合”，为用户提供全媒体体验。

Building Next Generation Broadcast and Realizing Three Networks Convergence

Next Generation Broadcast (NGB) provides different kinds of integrated information services such as voice business and broadband high speed data access business, and it is the development target of radio and TV industry. Based on analyzing situation of Three Networks Convergence and key technologies of NGB, this article discusses the feasibility of the evolution from traditional broadcast and TV network to NGB.