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Improving user-level performance of best effort service for WLAN

机译:提高WLAN最佳努力服务的用户级性能

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WLAN is playing a more important role in our daily life because large numbers of WLAN enabled consumer electronic devices are put into use. Performance of WLAN depends largely on the channel throughput and fairness. Under saturated condition, user-level performance mostly reflects the fairness level of service provided by the system. Traditionally, the IEEE 802.11 DCF and other protocols provide packet based fairness service, which is not optimal if the application types vary in system. This work proposes a cross-layer approach to schedule channel based on mission length. By giving a boost on newly arrival missions and suppressing greedy missions temporarily, the proposed scheme achieves better user experience for best effort services. The scheme is designed to be compatible with 802.11e and needs no modification in existing applications. Simulation results show that the average user waiting time is improved compared to the IEEE 802.11 DCF.
机译:WLAN在我们的日常生活中发挥了更重要的作用,因为大量的WLAN支持的消费电子设备被投入使用。 WLAN的性能在很大程度上取决于信道吞吐量和公平性。在饱和条件下,用户级性能主要反映了系统提供的服务的公平程度。传统上,IEEE 802.11 DCF和其他协议提供了基于数据包的公平服务,如果应用程序类型在系统中变化,则不会最佳。这项工作提出了一种基于任务长度安排信道的跨层方法。通过在新抵达任务上提升并暂时抑制贪婪任务,拟议的计划实现了更好的用户体验,以获得最佳努力服务。该方案旨在与802.11e兼容,不需要在现有应用程序中进行修改。仿真结果表明,与IEEE 802.11 DCF相比,平均用户等待时间得到改善。

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