支持多运营商的IP网络电视条件接收系统设计  

Conditional Access System Design Supporting Multi Service Providers for IPTV

作　　者：张明新[1] 陈君[1] 倪宏[1] 单明辉[1] 

机构地区：[1]中国科学院声学研究所DSP工程中心

出　　处：《微电子学与计算机》2007年第3期34-36,共3页Microelectronics & Computer

基　　金：国家"863"计划项目(2003AA103710)

摘　　要：采用一种支持多运营商的IP网络电视(IPTV)条件接收系统CAS(Conditional Access System)的设计方案,方案系统的前端和终端都采用“机卡分离”的设计思想,使该条件接收系统的设备具有很好的通用性,且网络用户收看不同运营商的节目不需要更换智能卡,方便用户进行控制操作和节目选择。In this paper, a design scheme of conditional access system for IPTV supporting multi service providers is presented and implemented. This CA scheme is designed for multi service providers to work together in the same IP service network. The service and client equipments are both designed for machine-card-separation idea; which makes the benefit that all the CAS equipments are universal. For users, to receive IPTV program provided by different service provider need not to change the user smart card, which brings much convenience to users＇ operation.

关 键 词：条件接收系统 IP网络电视 多运营商 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]