摘要
NGN(Next Generation Network,意"下一代网络")是目前通信业界关注和探讨的一个热点话题,介绍了轨道交通通信网的现状及NGN技术。对基于NGN的轨道交通综合通信网的特点进行了分析,并与现存网络进行比较。NGN具有更高速率,支持更多的业务,以更综合的方式支持多种业务,运行、维护、管理更简单、经济。
NGN is a hot topic widely concerned and discussed. Beijing MTR Construction Administration Corporation introduces the new technology and attempts to build a traffic integrated communication network based on NGN. This paper introduces the status quo of traffic integrated communication network and the technology of NGN, analyzes and compares NGN with the present networks, maintains that NGN is of higher efficiency, more functions and simpler management.
出处
《城市轨道交通研究》
2008年第9期63-66,共4页
Urban Mass Transit
关键词
轨道交通
综合通信网
下一代网络
rail traffic
integrated communication network
next generation network