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基于DupAck的Ad Hoc网络TCP性能改进

TCP Performance Improvement for Ad Hoc Network Based on DupAck
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摘要 为改进传输控制协议(TCP)在无线网络环境下的性能,分析Ad Hoc网络数据丢失的原因,提出一种区分无线丢包和拥塞丢包的算法。该算法通过在发送端检测返回的重复Ack的相对单向传输时延,探测到网络真实的拥塞状况,以便采取合理的拥塞控制措施。仿真结果表明,该算法能够正确区分无线丢包和拥塞丢包,改善Ad Hoc网络的TCP性能。 In order to improve the Transmission Control Protocol（TCP） performance over wireless networks, the possible reasons of data loss for Ad Hoc network is discussed and the efficient of loss differentiation scheme is proposed. It designs the scheme of detection based on one-way trip time of duplicate Ack. According to the scheme, the sender can adopt immediately the appropriate congestion control. Simulation results show that the proposed scheme can improve the TCP performance efficiently.
作者 刘磊 冯慧芳
机构地区 西北师范大学数学与信息科学学院
出处 《计算机工程》 CAS CSCD 北大核心 2011年第15期79-81,共3页 Computer Engineering
基金 甘肃省教育厅科研基金资助项目(0901-03) 西北师范大学科技创新工程基金资助项目(NWNU-KJCXGC-03-52)
关键词 AD HOC网络 传输控制协议 无线丢包 拥塞丢包 性能改进 Ad Hoc network Transmission Control Protocol（TCP） wireless lost packet congestion lost packet performance improvement
分类号 TP393 [自动化与计算机技术—计算机应用技术]
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参考文献9

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二级参考文献56

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计算机工程
2011年 第15期

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