UNEQUAL ERROR PROTECTION RATELESS CODING FOR EFFICIENT MPEG VIDEO TRANSMISSION

被引：0
|
作者：
Talari, Ali [1 ]
Rahnavard, Nazanin [1 ]
机构：
[1] Oklahoma State Univ, Sch Elect & Comp Engn, Stillwater, OK 74078 USA
来源：
MILCOM 2009 - 2009 IEEE MILITARY COMMUNICATIONS CONFERENCE, VOLS 1-4 | 2009年
关键词：
CODES;
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：
This paper proposes a rateless coding for efficient MPEG video transmission over loss prone networks. An MPEG video stream is comprised of various frame types, which contribute differently to the displayed video quality. We employ rateless codes with unequal error protection (UEP) property to have more protection on frames with higher influence on the quality of the displayed video. We define protection levels for different frame types and find their optimum values. Next, we evaluate our scheme using simulations and show that MPEG video coding with UEP rateless codes has a higher performance compared to video coding with EEP rateless codes, while new properties of low coding/decoding complexity, ratelessness, and adaptability to varying loss rates are kept intact.
引用
收藏
页码：1608 / 1614
页数：7
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