基于数字电视网络的导航系统设计  

Navigation System Design Based on Digital Television Network

作　　者：熊冬青 冯国军 汪承研 

机构地区：[1]中兴通信股份有限公司,广东深圳518057

出　　处：《电视技术》2011年第6期59-61,共3页Video Engineering

摘　　要：介绍了数字电视交通导航系统的用户需求,分析了系统实现的关键技术,给出了系统的硬件组成与网络结构;系统的软件结构分为数据处理层、业务引擎、业务应用层3层。该系统不需要对电视终端和有线电视网络做任何改造,易于实现。User demands of traffic navigation system based on DTV network are introduced. The key technologies of system implementation are analyzed. The hardware components and network structure are given. The system software can be divided into three layers： the data processing layer, the business engine layer and the business application layer. The system can be implemented easily without any changes on TV terminal and cable TV network.

关 键 词：数字电视 导航 流媒体 交通信息 

分 类 号：TN919.8[电子电信—通信与信息系统]