空间通信网中音视频传输的应用层QoS控制与测试方法

doi:10.7523/j.issn.2095-6134.2011.1.016

中国科学院大学学报 ›› 2011, Vol. 28 ›› Issue (1): 108-115.DOI: 10.7523/j.issn.2095-6134.2011.1.016

空间通信网中音视频传输的应用层QoS控制与测试方法

曾欢¹, 张灿^1,2, 陈德元¹

1. 中国科学院研究生院信息科学与工程学院,北京 100049;
2. 中国科学院研究生院信息安全国家重点实验室 ,北京 100049

收稿日期:2010-04-15 修回日期:2010-05-07 发布日期:2011-01-20
基金资助:
国家自然科学基金(61032006,60773137,60972067)、国家科技重大专项(2009ZX03001-009)和中国科学院研究生院院长基金(O85101HM03)资助 

Application-layer QoS control and testing method for audio/video delivery over space network

ZENG Huan¹, ZHANG Can^1,2, CHEN De-Yuan¹

1. School of Information Science and Engineering, Graduate University, Chinese Academy of Sciences , Beijing 100049 , China;
2. State Key Laboratory of Information Security, Graduate University, Chinese Academy of Sciences , Beijing 100049 , China

Received:2010-04-15 Revised:2010-05-07 Published:2011-01-20

摘要/Abstract

摘要：

分析了无线局域网、因特网和Ku频段卫星通信网的互联互通及服务质量(QoS)性能参数,采用视频帧率、分辨率自适应算法,提出了一种空间通信网中音视频传输的应用层QoS控制与测试方法.仿真实验结果表明,该方法提高了网络利用率,并具有良好的QoS自适应帧率调整能力.

关键词: 空间通信网, 音视频传输, 互联互通, 服务质量

Abstract:

We analyze the interconnection among WLAN, Internet, and Ku-band satellite communication networks. In order to meet the QoS requirements of the audio/video delivery, we have proposed an application-layer QoS control and testing method by using a frame rate and resolution adaptive modification algorithm. The simulation results show that the proposed method enhances the network utilization rate and has great QoS control capability of modifying the frame rate adaptively.

Key words: space communication network, audio/video delivery, interconnection, QoS

中图分类号:

TP393.06

曾欢, 张灿, 陈德元. 空间通信网中音视频传输的应用层QoS控制与测试方法[J]. 中国科学院大学学报, 2011, 28(1): 108-115.

ZENG Huan, ZHANG Can, CHEN De-Yuan. Application-layer QoS control and testing method for audio/video delivery over space network[J]. , 2011, 28(1): 108-115.

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空间通信网中音视频传输的应用层QoS控制与测试方法

Application-layer QoS control and testing method for audio/video delivery over space network

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