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QoS/QoE techniques for IPTV transmissions

机译:IPTV传输的QoS / QoE技术

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摘要

Internet Protocol TV (IPTV) has recently gained momentum as one of the key applications in the telecommunications market. Most researchers believe that IPTV service represents a key opportunity for operators around the world to benefit from video delivery over IP networks. In this paper, we investigate the Quality of Service (QoS) and Quality of Experience (QoE) techniques for IPTV transmissions. Particularly, we address two technical challenges in IPTV system: error concealment and channel zapping. To overcome the above challenges, we extend the function of the set-top box (STB) and the home network gateway. As for error concealment, we develop an approach of AL-FEC based adaptive error recovery. As for channel zapping, we propose to employ peer-to-peer communication as a supplement in the channel switching period. Since our study addresses core problems in the IPTV network, we believe it has practical significance to the industrial community.
机译:互联网协议电视(IPTV)作为电信市场上的关键应用之一,近来得到了发展。大多数研究人员认为,IPTV服务为全球运营商提供了从IP网络上的视频传输中受益的重要机会。在本文中,我们研究了IPTV传输的服务质量(QoS)和体验质量(QoE)技术。特别是,我们解决了IPTV系统中的两个技术挑战:错误隐藏和频道切换。为了克服上述挑战,我们扩展了机顶盒(STB)和家庭网络网关的功能。对于错误隐藏,我们开发了一种基于AL-FEC的自适应错误恢复方法。至于频道切换,我们建议在频道切换期间采用点对点通讯作为补充。由于我们的研究解决了IPTV网络中的核心问题,因此我们认为这对工业界具有现实意义。

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