| 改进无线网络TCP性能的研究 |
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| 引用本文： | 刘利强,周细义,张舸.改进无线网络TCP性能的研究[J].无线电通信技术,2008,34(1):4-5,18. |
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| 作者姓名： | 刘利强 周细义 张舸 |
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| 作者单位： | 湖南理工学院,湖南,岳阳,414006 |
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| 摘 要： | 对采用TCP协议传输数据的实现过程及其在无线网络中可能遇到的问题进行了描述。对因无线信道误码率较高和频繁切换而导致网络性能下降的问题,提出了无线链路层快速重传技术改善网络性能的有效措施,并研究了在无线网络中链路层快速重传技术对无线TCP数据传输的影响。仿真表明链路层快速重传可以有效地改善无线TCP的性能,进一步提高了网络利用率和吞吐量。
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| 关 键 词： | 无线网络 TCP 拥塞控制 链路层重传 吞吐量 |
| 文章编号： | 1003-3114（2008）01-04-2 |
| 收稿时间： | 2007-04-10 |
| 修稿时间： | 2007年4月10日 |
Research on Improving TCP Performance over Wireless Network |
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| LIU Li-qiang,ZHOU Xi-yi,ZHANG Ge.Research on Improving TCP Performance over Wireless Network[J].Radio Communications Technology,2008,34(1):4-5,18. |
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| Authors: | LIU Li-qiang ZHOU Xi-yi ZHANG Ge |
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| Abstract: | The implementation process of TCP in data transmission and the problems that may be encountered in wireless network are presented. The fast retransmission technology of wireless link layer as an effective method to improve the degraded network performance in the wireless network has been proposed, and the effect of link layer fast retransmission on wireless TCP data transmission is studied. In this paper, simulation results show that link layer fast retransmission can effectively improve TCP performance over wireless networks, and it further improves the throughput and bandwidth utilization. |
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| Keywords: | wireless network TCP congestion control link layer retransmission throughput |
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