无线局域网视频组播误差控制的实验评价

Proceedings 21st International Conference on Distributed Computing Systems Workshops Pub Date : 2001-04-16 DOI:10.1109/CDCS.2001.918721

Peng Ge, P. McKinley

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引用次数: 26

摘要

由于高丢包率，无线网络上压缩视频流的多播需要与有线网络中使用的错误控制方法明显不同。本文介绍了一种代理服务的实验研究，以增强无线局域网多播时的交互式MPEG-1视频流。介绍了代理服务的架构和操作，并在移动计算测试平台上进行了性能研究。本文的主要贡献是表明，向前和向后错误控制相结合的方法在应用于移动协作用户的视频流时是有效的。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Experimental evaluation of error control for video multicast over wireless LANs

Multicasting of compressed video streams over wireless networks demands significantly different approaches to error control than those used in wired networks, due to high packet loss rate. This paper describes an experimental study of a proxy service to enhance interactive MPEG-1 video streams when multicast across wireless local area networks. The architecture and operation of the proxy service are presented, followed by results of a performance study conducted on a mobile computing testbed The main contribution of the paper is to show that a combination of forward and backward error control is effective when applied to video streams for mobile collaborating users.

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Proceedings 21st International Conference on Distributed Computing Systems Workshops

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