汕头市有线电视网络分前端下行优化改造规划设计  

Optimizing Design of the Cable TV Network Sub-front-end in Shantou

作　　者：杨冬渝[1] 

机构地区：[1]汕头市广播电视台,广东汕头515000

出　　处：《中国有线电视》2008年第9期929-931,共3页China Digital Cable TV

摘　　要：随着有线电视的发展,人们不再满足于简单地看电视节目,更希望得到丰富的多媒体信息,并能在有线电视系统中实现交互,这就要求网络具有双向传输能力并且有更高的带宽和可靠性,因此需要对现有的网络前端进行改造,结合汕头市实际情况对有线电视网络分前端的改造进行了规划设计,并给出相关的设计数据。With the development of cable television, People are no longer satisfied with simply watching television programmes, but eager to get more rich multimedia information and be able to achieve interactive cable television, which demands two-way network transmission, high level reliability and better bandwidth. There- fore the transformation of the network front-end is needed. Considering for practical network situation in Shantou, the paper makes the planning and design of the front-end transformation and gives the relevant design data.

关 键 词：光发射机 分光器 Cable MODEM VOD 

分 类 号：TN943.6[电子电信—信号与信息处理]