| 重传确认延迟--一种改进无线传输控制协议性能的链路层重传方案 |
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| 引用本文： | 铁玲,周天翔,李建华.重传确认延迟--一种改进无线传输控制协议性能的链路层重传方案[J].上海交通大学学报,2002,36(12):1795-1798. |
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| 作者姓名： | 铁玲 周天翔 李建华 |
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| 作者单位： | 上海交通大学,电子工程系,上海,200030 |
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| 摘 要： | 基于无线网络中的传输控制协议(TCP)，提出一种新的链路层自动请求重传(ARQ)方案——重传确认延迟，ARQ能对无线链路差错进行恢复。当接收端检测到分组丢失时，对确认帧延迟一段时间，仿真结果表明，在保证无线TCP吞吐量的同时，新算法所需的确认帧数目显著减少。
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| 关 键 词： | 传输控制协议 自动请求重传 重传确认延迟 |
| 文章编号： | 1006-2467(2002)12-1795-04 |
| 修稿时间： | 2001年7月23日 |
Delayed Duplicate Acknowledgements: A Link-Layer Retransmission Approach to Improve TCP Performance over Wireless Link |
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| TIE Ling,ZHOU Tian-xiang,LI Jian-hua.Delayed Duplicate Acknowledgements: A Link-Layer Retransmission Approach to Improve TCP Performance over Wireless Link[J].Journal of Shanghai Jiaotong University,2002,36(12):1795-1798. |
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| Authors: | TIE Ling ZHOU Tian-xiang LI Jian-hua |
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| Abstract: | A new approach to improve the traditional transport control protocol(TCP) throughput in wireless networks was proposed. This paper proposed an alternative delayed duplicate acknowledgements used in Automatic Repeat reQuest(ARQ) receiver. It uses the ARQ at the link layer to recover packet error. The simulation results show that this algorithm can guarantee the throughput of TCP and reduce the number of acknowledgements. |
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| Keywords: | transport control protocol(TCP) automatic repeat request(ARQ) delayed duplicate acknowledgements |
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