摘要
2006年广电总局提出自主研发的移动多媒体广播技术体制(CMMB),现已在全国范围内开展技术试验;日前广电总局正式向北京奥组委赠送了1000台移动多媒体广播CMMB接收终端,标志着CMMB开始为北京奥运会提供服务。本文将简要介绍CMMB系统架构和技术体系,并着重描述CMMB全国传输与覆盖网络的整体架构。
China Mobile Multimedia Broadcasting (CMMB) is a new wireless radio and TV business mode to send radio, TV and data to different portable terminals such as cell phone, PDA, notebook computer and digital camera. CMMB will bring enormous changes to transmission and reception methods of radio and TV. At present , SARFT musters all forces within and outside the industry and comprehensively promotes CMMB. This paper introduces system architecture and technology system of CMMB, and focuses on the overall framework of CMMB transmission and coverage network.
出处
《广播与电视技术》
北大核心
2008年第7期26-27,15,共2页
Radio & TV Broadcast Engineering
