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Improving user-level performance of best effort service for WLAN

机译:改善WLAN尽力而为服务的用户级性能

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摘要

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扮演着越来越重要的角色,因为大量启用了WLAN的消费电子设备已投入使用。 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,用户级别的性能主要反映系统提供的服务的公平性级别。传统上,IEEE 802.11 DCF和其他协议提供基于数据包的公平性服务,如果系统中的应用程序类型不同,则这不是最佳选择。这项工作提出了一种跨层的方法来根据任务的长度安排频道。通过增强新到达的任务并暂时抑制贪婪的任务,该方案为尽力而为服务获得了更好的用户体验。该方案旨在与802.11e兼容,并且无需在现有应用程序中进行任何修改。仿真结果表明,与IEEE 802.11 DCF相比,平均用户等待时间得到了改善。

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