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| 无线流媒体自适应链路层HARQ控制策略 | |
| 引用本文： | 靳勇,乐德广,白光伟,王军元.无线流媒体自适应链路层HARQ控制策略[J].计算机测量与控制,2010,18(3). |
| 作者姓名： | 靳勇 乐德广 白光伟 王军元 |
| 作者单位： | 1. 常熟理工学院,计算机科学与工程学院,江苏,常熟,215500 2. 南京工业大学,计算机科学与技术系,江苏,南京,210009 3. 中国航天科工集团八五一一研究所,江苏,南京,210007 |
| 基金项目： | 国家自然科学基金资助项目(60673185);;常熟理工学院教师科研启动基金(KY2009024);;常熟理工学院青年教师科研启动基金项目(QZ0911) |
| 摘 要： | 无线网络动态的信道特性、高误码率和带宽有限等特点,使得在无线环境下为实时流媒体传输提供QoS保证面临更大的挑战;提出了一种用于无线实时流媒体传输的自适应链路层HARQ控制策略,针对不同的信道状况动态选择混合ARQ方案;该策略采用跨层设计的方法,在应用层采用自适应FEC策略,在视频源数据和冗余数据之间动态分配网络带宽;数学分析和仿真验证表明,该策略能使接收方获得最大的可播放帧率,有效地提高流媒体传输的可靠性和实时性。 |
| 关 键 词： | 无线实时流媒体 跨层设计 GM（1 1）模型 区分服务 自适应链路层HARQ |
Adaptive link-level Hybrid ARQ Mechanism for Wireless Media Streaming |
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| Jin Yong,Le Deguang,Bai Guangwei,Wang Junyuan.Adaptive link-level Hybrid ARQ Mechanism for Wireless Media Streaming[J].Computer Measurement & Control,2010,18(3). | |
| Authors: | Jin Yong Le Deguang Bai Guangwei Wang Junyuan |
| Affiliation: | 1.School of Computer Science & Engineering/a>;Changshu Institute of Technology/a>;Changshu 215500/a>;China/a>;2.Department of Computer Science and Technology/a>;Nanjing University of Technology/a>;Nanjing 210009/a>;3.China Aerospace Science & Industry Corp.Nanjing 210007/a>;China |
| Abstract: | The real-time delivery of multimedia data over wireless links with QoS-Guarantee is a big challenge due to the unreliable and dynamic characteristics of wireless networks,limited bandwidth and high QoS requirements for multimedia applications.In this paper,an adaptive link-level Hybrid Automatic Repeat reQuest(ARQ) mechanism was proposed for wireless media streaming,in the hope that the media could be played on receivers with high quality.It allocates the optimal HARQ schemes for different traffic streaming... |
| Keywords: | Wireless real-time media streaming cross-layer design GM (1 1) differentiated service (DiffServ) adaptive linklevel Hybrid ARQ |
| 本文献已被 CNKI 万方数据 等数据库收录！ | |