影响IPTV业务质量的关键因素及质量提升措施探讨

doi:10.3969/j.issn.1000-0801.2009.03.012

Telecommunications Science ›› 2009, Vol. 25 ›› Issue (3): 32-35.doi: 10.3969/j.issn.1000-0801.2009.03.012

• Topics: IPTV technology and Applications • Previous Articles Next Articles

Research on Key Factors Effecting IPTV Service Quality and Service Improvement Measures

Liang Yao

Shanghai Research Institute of China Telecom Co.，Ltd.，Shanghai 200122，China

Online:2009-03-15 Published:2009-03-15

Abstract

Abstract:

In this paper，a monitoring method is proposed for IPTV service quality，based on the user experience.The real network monitoring results are analysed in order to confirm the key factors which effect IPTV service quality. Then，solutions are proposed to improve IPTV service quality，as well as requirements of IPTV platform and intermedia network devices.

Key words: IPTV, set top box, performance parameter, performance monitoring, performance improvement

Liang Yao. Research on Key Factors Effecting IPTV Service Quality and Service Improvement Measures[J]. Telecommunications Science, 2009, 25(3): 32-35.

业务体验类型	指标分解		技术指标
媒体播放质量	IPTV头端	编码器、编码速率	固定参数，可不监测
		TS封包质量	TR101-290指标
		流输出稳定性	RFC 4445 MDI指标
	骨干网	丢包、抖动、延时	RFC 4445 MDI指标
	接入网线路	DSL传输质量	DSL建链速率、误帧率
	业务端到端	码流传输质量	媒体流速率、丢包率
业务互动质量	业务端到端	EPG、组播、单播请求响应	EPG请求响应成功率、平均响应时间
			频道切换成功率、平均响应时间
			点播请求响应成功率、平均响应时间

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Research on Key Factors Effecting IPTV Service Quality and Service Improvement Measures

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1	ITU-T P.10/G.100.Vocabulary for performance and quality of service， 2006
2	RFC 4445.A proposed media delivery index（MDI）， April2006
3	ETSI TR101 290 V1.2.1.Digital video broadcasting（DVB）；measurement guidelines for DVB systems， May2001