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TCP performance analysis and optimization over DMT based ADSL system

机译:基于DMT的ADSL系统的TCP性能分析和优化

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This paper studies the transmission control protocol (TCP) performance over a discrete multi-tone (DMT) based asymmetric digital subscriber loop (ADSL) network. The impact of DMT subchannel bit loading on the TCP throughput performance is studied. The simulation results show that there is a threshold for the signal -to -noise ratio (SNR) gap or bit error rate (BER) above which TCP throughput drops quickly. This threshold takes its value in a wide range depending on the TCP round-trip time as well as channel noises.
机译:本文研究了基于离散多音(DMT)的非对称数字用户环路(ADSL)网络上的传输控制协议(TCP)性能。研究了DMT子信道位负载对TCP吞吐量性能的影响。仿真结果表明,存在信噪比(SNR)间隙或误码率(BER)的阈值,在该阈值之上TCP吞吐量会迅速下降。此阈值的取值范围很广,具体取决于TCP往返时间以及信道噪声。

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