摘要
本文介绍了IPTV的基本概念、特点以及IPTV中的关键技术,基于IMS的IPTV系统架构以及Internet TV。阐述了IPTV中QoS和QoE以及二者的联系与区别,分析了IPTV发展中面临的技术挑战。最后,总结了IPTV在中国的发展现状,并对其发展前景进行了展望。
This paper first introduces the basic concept of IPTV, its characteristics and key technologies, including IMS-based IPTV system architecture and Internet TV, and then points the correlation and difference between QoS and QoE in IPTV, besides analyzes the technical challenges in IPTV development, and finally summarizes the development of IPTV in China and its development prospects.
基金
高等学校博士学科点专项科研基金(No.200800131019)
中兴通讯研究基金
国家高技术研究发展计划(Nos.2006AA01Z235
2007AA01Z206)
国家自然科学基金(No.90604019
60502037)
