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首页> 外文会议>2010 IEEE International Symposium on Broadband Multimedia Systems and Broadcasting (BMSB 2010) >iPAS: An user perceived quality-based intelligent Prioritized Adaptive Scheme for IPTV in Wireless Home Networks
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iPAS: An user perceived quality-based intelligent Prioritized Adaptive Scheme for IPTV in Wireless Home Networks

机译：iPAS：无线家庭网络中基于IPTV的用户感知的基于质量的智能优先自适应方案

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摘要

There are several real-time dynamic adaptation mechanisms that exist today for improving end user perceived quality for IPTV services in wireless local networks. However, an adaptation scheme based on stream priorities, combined with terminals characteristics and the expected service quality levels, has not been explicitly considered by the existing approaches. This paper proposes a novel solution - the intelligent Prioritized Adaptive Scheme (iPAS) for adapting the encoding and transmission bitrates of video traffic based on stream priority and current network bandwidth resources as estimated by the bandwidth estimation technique, iBE. Results show how iPAS outperforms an equal priority solution in terms of distribution of both bandwidth between streams with different requirements and associated user perceived quality.
机译：当前存在几种实时动态自适应机制，用于提高无线局域网中IPTV服务的最终用户感知质量。但是，现有方法尚未明确考虑基于流优先级的自适应方案，并结合了终端特性和预期的服务质量水平。本文提出了一种新颖的解决方案-智能优先级自适应方案（iPA​​S），用于根据带宽优先级估计技术iBE估计的流优先级和当前网络带宽资源来调整视频流量的编码和传输比特率。结果表明，iPAS在具有不同要求的流之间的带宽分配以及相关的用户感知质量方面，其性能优于同等优先级解决方案。

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