| 移动Ad Hoc网络中的TCP改进方案性能分析 |
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| 引用本文： | 程剑,洪佩琳,李津生. 移动Ad Hoc网络中的TCP改进方案性能分析[J]. 计算机应用, 2005, 25(2): 265-269. DOI: 10.3724/SP.J.1087.2005.0265 |
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| 作者姓名： | 程剑 洪佩琳 李津生 |
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| 作者单位： | 中国科学技术大学,电子工程与信息科学系,安徽,合肥,230027;中国科学技术大学,电子工程与信息科学系,安徽,合肥,230027;中国科学技术大学,电子工程与信息科学系,安徽,合肥,230027 |
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| 摘 要： | TCP协议是针对固定可靠网络设计的一种传输协议,它把数据包丢失或延迟的原因都归结为网络拥塞。但在移动AdHoc网络中,其他因素如信道误码、网络分割及路由变化等也能引起数据包丢失,此时TCP协议的慢启动和快速重发特性将导致传输性能下降。首先讨论了AdHoc网络中影响TCP性能的几个主要因素,介绍几种典型的TCP改进方案,并对这些方法进行了性能分析与比较。
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| 关 键 词： | TCP Ad Hoc 拥塞 |
| 文章编号： | 1001-9081(2005)02-0265-05 |
Performance analysis on improved schemes of TCP in mobile Ad Hoc networks |
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| CHENG Jian,HONG Pei-lin,LI Jin-sheng. Performance analysis on improved schemes of TCP in mobile Ad Hoc networks[J]. Journal of Computer Applications, 2005, 25(2): 265-269. DOI: 10.3724/SP.J.1087.2005.0265 |
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| Authors: | CHENG Jian HONG Pei-lin LI Jin-sheng |
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| Affiliation: | Department of Electronic Engineering and Information Science, University of Science and Technology of China |
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| Abstract: | The Transmission Control Protocol (TCP) was designed for reliable fixed network, it treat package loss or delayed as network congestion. But in Mobile Ad Hoc networks, other factors such as channel error, network partition and route changes also could invoke package loss, at the moment slow-start and fast recovery property of TCP will decreased the transmission performance. In this paper, we firstly discussed several main factors which infect TCP performance in Ad Hoc networks, and then presented an overall view on some representative improved schemes of TCP in Ad Hoc networks. Finally, we had an analysis and compare on these schemes. |
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| Keywords: | TCP Ad Hoc congestion |
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