电信科学 ›› 2014, Vol. 30 ›› Issue (9): 159-163.doi: 10.3969/j.issn.1000-0801.2014.09.024

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基于单播流的IPTV频道切换提速方案研究

翁颐,姚良,奚溪   

  1. 中国电信股份有限公司上海研究院 上海200122
  • 出版日期:2014-09-20 发布日期:2017-07-05

Researcb on a Unicast-Based IPTV Cbannel Cbange Solution

Yi Weng,Liang Yao,Xi Xi   

  1. Shanghai Research Institute of China Telecom Co., Ltd., Shanghai 200122, China
  • Online:2014-09-20 Published:2017-07-05

摘要:

IPTV多播频道切换时延是IPTV业务用户体验质量(QoE)指标的重要组成部分。分析了影响频道切换时间的诸多因素,并对一种由FCC服务器下发特制的以I帧为起始的单播节目流提升频道切换时间的方法进行了具体的理论分析和测试验证。

关键词: IPTV, 快速频道切换, 体验质量

Abstract:

Channel zapping time is a major factor in the IPTV quality of experience. The factors that impact the length of the channel zapping time were analyzed, and a unicast-based fast channel change solution was studied both theoretically and experimentally.

Key words: IPTV, fast channel change, QoE

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