摘要
本文详细介绍DOCSIS的沿革,DOCSIS 3.0的主要特点,包括HFC网络的传输特性、DOCSIS 3.0的系统参考结构、MULPI 3.0的主要特点,阐述了来自DOCSIS 3.0的启示,包括对市场需求、网络效益以及网络结构性调整的分析。
At present,the trial mobile multimedia broadcasting has been gradually launched in many a place. Although the technical standard systems are different,the service purchase and content protection are mportant links of the mobile multimedia broadcasting service,because they decide the service mode.An introduction given to the general architecture for service purchase and content protection risen from DVB—CBMS,and an analysis is made of both implementation schemes:open security framework and 18Crypt,which are of certain reference value to choice or establishment of a standard suited to Chinese conditions.
出处
《广播与电视技术》
北大核心
2007年第2期63-67,14,共5页
Radio & TV Broadcast Engineering
