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An Opportunistic Scheduler for Dense WLANs

机译:密集WLAN的机会调度器

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摘要

The demand for bandwidth by multimedia applications remains unabated. This is particular critical given the growing number of devices with WiFi capability, and the ubiquity of Wireless Local Area Networks (WLANs). These trends have spurred researchers to develop low-cost and backward compatible solutions to increase the capacity of WLANs. One approach is to deploy additional Access Points (APs), and strategies to manage channel, user, and transmit power. As a result, stations are likely to be near one or more APs, and therefore are more likely to experience high data rates. In this paper, we take advantage of this fact to increase the capacity of a dense WLAN further by transmitting packets to a station via a neighboring AP if its associated AP is occupied by another station. Our approach is novel as prior works have not exploited the density and diversity of APs when scheduling downstream traffic. From extensive simulation studies, we show its viability in varying traffic scenarios, and in particular, WLANs with a high number of APs.s.
机译:多媒体应用对带宽的需求仍然没有减弱。鉴于具有WiFi功能的设备数量不断增加,并且无线局域网(WLAN)的普及性,这一点尤其重要。这些趋势促使研究人员开发低成本和向后兼容的解决方案,以增加WLAN的容量。一种方法是部署其他访问点(AP)和策略来管理信道,用户和发射功率。结果,站点可能位于一个或多个AP附近,因此更有可能遇到高数据速率。在本文中,我们利用这一事实来进一步增加密集WLAN的容量,方法是通过与相邻AP关联的AP将数据包通过相邻AP传输到该站点来进行传输。我们的方法是新颖的,因为先前的工作在调度下游流量时并未利用AP的密度和多样性。通过大量的仿真研究,我们显示了其在各种流量情况下的可行性,尤其是具有大量AP的WLAN。

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