Rate-distortion Optimized Network Coding for Cooperative Video Stream Repair in Wireless Peer-to-Peer Networks

被引：0

作者：

Liu, Xin ^{[1
]}

Cheung, Gene ^{[2
]}

Chuah, Chen-Nee ^{[1
]}

机构：

[1] Univ Calif Davis, Davis, CA 95616 USA

[2] HP Lab, Tokyo, Japan

来源：

2008 IEEE INTERNATIONAL SYMPOSIUM ON A WORLD OF WIRELESS, MOBILE AND MULTIMEDIA NETWORKS, VOLS 1 AND 2 | 2008年

关键词：

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

By providing coding ability at intermediate nodes, network coding has been shown to improve network throughput in broadcast/multicast wireless networks. In this paper, we show that by imposing coding structure, network coding can be further optimized specifically for video streaming in a rate-distortion manner, in a scenario where wireless adhoc peers cooperatively relay packets to each other to repair packet losses during MBMS broadcast. Experimental results show that our proposed scheme can improve video quality noticeably, by up to 19.71dB over un-repaired video stream and by up to 7.90dB over video stream using traditional unstructured network coding.

引用

页码：728 / +

页数：2

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