关于双向网改技术选型的思考  

Thinking in Selection of Bidirectional Transformation Technology

作　　者：周晓雄[1] 

机构地区：[1]湖南有线电视网络(集团)股份有限公司,湖南长沙410003

出　　处：《中国有线电视》2009年第6期585-587,共3页China Digital Cable TV

摘　　要：数字电视的双向增值应用业务是数字电视成败的关键,因此增值应用业务的定位对双向网改技术的取舍具有重要的意义。针对双向网改技术选型,从业务导向还是接入导向的选择、双向网带宽的选择、双向网改价格的选择进行分析,为双向网改技术选型提出一种新的思路。Two-way digital TV value-added applications business is the key to the fore, the choice of value-added applications is great significance for bidirectional success of digital TV. There- transformation technology. In this paper, for selection of bidirectional transformation technology, the choice of business-oriented or access-o- riented, the choice of bidirectional transformation bandwidth, the choice of bidirectional transformation price are analyzed and a new way of thinking is put forward.

关 键 词：双向改造 网络带宽 普遍接入 

分 类 号：TN943.6[电子电信—信号与信息处理]