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一种改进的无线TCP拥塞控制算法及其稳态流量模型 被引量:4
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作者 姚凌 纪红 乐光新 《北京邮电大学学报》 EI CAS CSCD 北大核心 2005年第2期42-45,共4页
提出了一种能够通过带宽估计来判断无线链路分组丢失原因,并采取相应拥塞控制机制的无线TCP协议——TCP_LD(TCPlosedetection).采用Padhye模型的建模方法,推导了TCP_LD的稳态流量模型.理论分析和仿真结果说明,TCP_LD能够有效地区分出发... 提出了一种能够通过带宽估计来判断无线链路分组丢失原因,并采取相应拥塞控制机制的无线TCP协议——TCP_LD(TCPlosedetection).采用Padhye模型的建模方法,推导了TCP_LD的稳态流量模型.理论分析和仿真结果说明,TCP_LD能够有效地区分出发生分组丢失的原因,即拥塞丢失或者链路差错丢失,提高了系统的流量,并且具备较好的公平性. 展开更多
关键词 TCP_LD 拥塞控制 流量
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A Novel Wireless TCP and its Steady State Throughput Model 被引量:2
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作者 YAOLing JIHong YUEGuang-xin 《The Journal of China Universities of Posts and Telecommunications》 EI CSCD 2004年第3期21-26,共6页
Unlike wired networks, random packet loss due to bit errors may cause significant performance degradation of Transmission Control Protocol (TCP). We propose and study a novel end-to-end congestion control mechanism ca... Unlike wired networks, random packet loss due to bit errors may cause significant performance degradation of Transmission Control Protocol (TCP). We propose and study a novel end-to-end congestion control mechanism called TCP-LD (Loss Detection) that is simple and effective for dealing with random packet loss. We also give its steady state throughput model. Both the ns2 and numerical simulation results show that our scheme can achieve significant throughput improvements without adversely affecting other concurrent TCP connections, including other concurrent Reno connections both in wired and wireless environment. 展开更多
关键词 tcp-ld 带宽估计 稳态吞吐量 无线通信
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