基于应用层FEC的WiFi组播信道高清流媒体系统

2013 IEEE International Symposium on Consumer Electronics (ISCE) Pub Date : 2013-06-03 DOI:10.1109/ISCE.2013.6570265

Shiuan-Tung Chen, Hsin-Ta Chiao, Shih-Ying Chang, Hung-Min Sun, Pei-Shan Zeng

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引用次数: 5

摘要

本文提出了一种HD(高清晰度)流系统，该系统采用基于Raptor代码的AL-FEC(应用层FEC)方案(即DVB AL-FEC)来保护MPEG-2 TS(传输流)在容易出错的Wi-Fi多播信道上通过RTP流数据包传输。所采用的AL-FEC方案可以有效地恢复丢失的Wi-Fi组播数据包，并且具有可扩展性。本文描述了基于VLC服务器和VLC客户端在Linux操作系统上实现的高清流媒体系统的原型。最后，我们证明了该系统可以显著提高Wi-Fi多播流媒体服务的高清视频质量。

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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An HD streaming system for WiFi multicast channels based on application-layer FEC

This paper presents an HD (High Definition) streaming system that employs an AL-FEC (Application-Layer FEC) scheme (i.e., DVB AL-FEC) based on Raptor codes to protect the transmission of MPEG-2 TS (Transport Streaming) over RTP streaming packets over error-prone Wi-Fi multicast channels. The employed AL-FEC scheme can effectively recover the missing Wi-Fi multicast packets in a scalable way. In this paper, we describe the prototype of the proposed HD streaming system, which is implemented based on VLC server and VLC client over Linux operating systems. Finally, we show that the proposed system can significantly improve the HD video quality of a Wi-Fi multicast streaming service.

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2013 IEEE International Symposium on Consumer Electronics (ISCE)

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