摘要
随着IPTV业务的快速发展,对现在承载网络带宽的要求越来越高。由网络性能原因导致的视频质量下降,成为了制约IPTV业务发展的关键因素之一。对IPTV系统的基本结构进行了阐述,研究了影响系统质量的主要因素,分析了各种指标。对MPQM模型和MDI模型的基本原理做出分析,结合这两个模型,设计了IPTV质量分析系统的总体结构。
With the fast development of the IPTV.The service demands more and more bandwidth of the loadable network.The network performance become an important factor that affect the developpment of IPTV video service,because it may decrease the quality of the vid eo.In the beginning,the article introduces the basic stracture of IPTV and analyzes the reasons which may influence system quality.Com bine the MPQM model with the MDI model,design the total stracture of IPTV quality analytical system.It is useful to analyze the differ ent indicators,such as QoE,QoS.
作者
胡剑锋
李朝锋
HU Jian-feng,LI Chao-feng（Jiangnan Univerrsity School of Internet of Things Engineering,Wuxi 214000,China）
出处
《电脑知识与技术》
2012年第4期2366-2368,共3页
Computer Knowledge and Technology
关键词
IPTV
质量分析系统
指标
IPTV
quality analytical system
indicators
