| TCP端到端等效噪声模型及拥塞控制方法研究 |
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| 引用本文： | 李世银,王秀娟,钱建生,刘琼. TCP端到端等效噪声模型及拥塞控制方法研究[J]. 电子科技大学学报(社会科学版), 2009, 0(4) |
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| 作者姓名： | 李世银 王秀娟 钱建生 刘琼 |
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| 作者单位： | 中国矿业大学信息与电气工程学院; |
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| 基金项目： | 国家自然科学基金(70533050) |
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| 摘 要： | 针对传统TCP拥塞控制协议在有线/无线混合网络中存在的问题,采用通信系统加性噪声分析方法和信道容量理论,将端到端链路背景流量等效为加性噪声,建立了链路等效噪声模型。研究了基于等效噪声模型的端到端链路带宽估计方法,并提出了一种基于等效噪声模型的TCP拥塞控制算法(N-TCP)。理论分析和仿真结果表明所提出的带宽估计方法准确有效,新的拥塞控制算法和传统的TCP协议兼容性好,具有良好的抗随机丢失能力和公平性,适宜于存在随机丢失的无线/有线混合网络。
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| 关 键 词： | 带宽估计 拥塞控制 噪声模型 TCP 无线网络 |
Equivalent Noise Model and Congestion Control Algorithm of End-to-End TCP Link |
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| LI Shi-yin,WANG Xiu-juan,QIAN Jian-sheng,, LIU Qiong. Equivalent Noise Model and Congestion Control Algorithm of End-to-End TCP Link[J]. Journal of University of Electronic Science and Technology of China(Social Sciences Edition), 2009, 0(4) |
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| Authors: | LI Shi-yin WANG Xiu-juan QIAN Jian-sheng LIU Qiong |
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| Affiliation: | School of Information and Electrical Engineering;China University of Mining and Technology Xuzhou Jiangsu 221008 |
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| Abstract: | Aimming at the problems of traditional transmission control protocol (TCP) congestion control protocol in the wired/wireless heterogeneous networks, an innovative link equivalent noise model is proposed. In this method, the background traffic of TCP link is equivalent to the additive noise. The end-to-end link bandwidth estimation methods are researched based on the equivalent noise model. An improved TCP congestion control algorithm, TCP protocol based on noise model (N-TCP), is proposed. The results of si... |
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| Keywords: | bandwidth estimation congestion control noise model TCP wireless network |
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