新的基于SR-SW-HARQ的低时延视频传输方案

TN919.8; 为了实现低时延视频传输,提出了一种利用混合自动重传(HARQ)技术的解决方案.对基于H.264数据分割得到的3种对视频质量有不同贡献的数据分区,在链路层采用停止等待式自动重传(ARQ)和选择重发式自动重传相结合的协议,在物理层采用自适应的HARQ方案来进行传输.实验结果表明相对于传统的基于单数据片分割模式的视频传输方案,该方案在改善图像重建质量的基础上,有效地降低了传输时延并提高了系统的吞吐量....

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Published in通信学报 Vol. 30; no. 1; pp. 18 - 24
Main Authors 秦晓芳, 杨大成, 张欣
Format Journal Article
LanguageChinese
Published 北京邮电大学电信工程学院,北京,100876 2009
Subjects
混合自动重传
传输时延
H.264
数据分割模式
单数据片分割模式
Online AccessGet full text
ISSN1000-436X
DOI10.3321/j.issn:1000-436X.2009.01.004

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Abstract TN919.8; 为了实现低时延视频传输,提出了一种利用混合自动重传(HARQ)技术的解决方案.对基于H.264数据分割得到的3种对视频质量有不同贡献的数据分区,在链路层采用停止等待式自动重传(ARQ)和选择重发式自动重传相结合的协议,在物理层采用自适应的HARQ方案来进行传输.实验结果表明相对于传统的基于单数据片分割模式的视频传输方案,该方案在改善图像重建质量的基础上,有效地降低了传输时延并提高了系统的吞吐量.
AbstractList TN919.8; 为了实现低时延视频传输,提出了一种利用混合自动重传(HARQ)技术的解决方案.对基于H.264数据分割得到的3种对视频质量有不同贡献的数据分区,在链路层采用停止等待式自动重传(ARQ)和选择重发式自动重传相结合的协议,在物理层采用自适应的HARQ方案来进行传输.实验结果表明相对于传统的基于单数据片分割模式的视频传输方案,该方案在改善图像重建质量的基础上,有效地降低了传输时延并提高了系统的吞吐量.
Author 秦晓芳
张欣
杨大成
AuthorAffiliation 北京邮电大学电信工程学院,北京,100876
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ZHANG Xin
QIN Xiao-fang
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DocumentTitle_FL Novel low-delay video transmission scheme based on SR-SW-HARQ
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Keywords 混合自动重传
传输时延
H.264
数据分割模式
单数据片分割模式
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Snippet TN919.8; 为了实现低时延视频传输,提出了一种利用混合自动重传(HARQ)技术的解决方案.对基于H.264数据分割得到的3种对视频质量有不同贡献的数据分区,在链路层采用停止等待...
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Title 新的基于SR-SW-HARQ的低时延视频传输方案
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