摘要
随着数字广播的发展,数字广播的应用领域已由单一的数字电视向多业务方向发展。文中提出了一种利用DVB-S信道传输综合业务的数据广播系统,系统提供了数字电视、流媒体、文件和消息四种基本业务载体,用户可以在这四种业务载体的基础上实现其应用。文中还介绍了系统的架构和传输协议,并从理论和数值上分析了系统的传输性能,得出了影响系统性能的主要因素。
With the development of digital broadcasting, application area of digital broadcasting is becoming even broader. A multi-service integrated data broadcast system on DVB-S channel is presented in this paper. System provides four basic services: digital TV, stream media, file and message. Customers can extend any applications based on these basic services. System architecture and transmission protocol are described, and transmission performance is analyzed. The main factors that affect performance of the syst...
出处
《通信技术》
2008年第5期1-3,共3页
Communications Technology
