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首页> 外文会议>1st ACM workshop on mobile internet through cellular networks 2009 >Best-Case WiBro Performance for a Single Flow
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Best-Case WiBro Performance for a Single Flow

机译：单流最佳案例WiBro性能

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摘要

WiBro (Wireless Broadband Internet), the Korean version of mobile WiMAX compatible standard, provides high-speed mobile data service. Although mobile WiMAX services are being deployed, there exist few reports about WiBro performance. In this work, we measure and analyze best-case performance of WiBro. In order to measure one-way delay, we develop a GPS synchronization device to measure one-way delay.rnOur measurement shows that the maximum throughput over the WiBro network is 10 Mbps in downlink and 2.5 Mbps in uplink. We estimate that both the base station and WiBro modems have large buffers up to 2 s and 500 ms and minimum one-way delay of 76 ms and 11 ms for uplink and downlink, respectively. We measure TCP throughput over WiBro by varying the send buffer and receive buffer sizes. To fully exploit the high bandwidth of Wibro, we conclude the TCP needs along with the minimum of 128 KB buffer size.
机译：韩文版的移动WiMAX兼容标准WiBro（无线宽带互联网）提供高速移动数据服务。尽管正在部署移动WiMAX服务，但几乎没有关于WiBro性能的报告。在这项工作中，我们测量和分析WiBro的最佳情况性能。为了测量单向延迟，我们开发了一种用于测量单向延迟的GPS同步设备。我们的测量显示，WiBro网络上的最大吞吐量为下行链路为10 Mbps，上行链路为2.5 Mbps。我们估计，基站和WiBro调制解调器均具有长达2 s和500 ms的大缓冲区，并且上行链路和下行链路的最小单向延迟分别为76 ms和11 ms。我们通过更改发送缓冲区和接收缓冲区的大小来测量WiBro上的TCP吞吐量。为了充分利用Wibro的高带宽，我们总结了TCP需求以及最少128 KB的缓冲区大小。

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