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A QOS-AWARE MAC FOR MULTICHANNEL COGNITIVE RADIO NETWORKS

机译:用于多通道认知无线电网络的QOS-AWARE MAC

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摘要

Medium Access Control (MAC) protocols exploit sensing algorithm to build up a spectrum opportunity map (cognitive sensing). In this paper, we propose a quality of service (QoS)-aware MAC protocol for multi-channel cognitive radio networks. Specifically, based on the channel utilization patterns of primary users (PUs), secondary users (SUs) adopt different channel reporting and data transmission policies to satisfy their QoS requirements. An analytical method has also been developed and presented to evaluate the performance of QA-MAC. Extensive simulations validate our analysis and demonstrate its performance benefits in throughput.
机译:媒体访问控制(MAC)协议利用感知算法来建立频谱机会图(认知感知)。在本文中,我们提出了一种用于多信道认知无线电网络的服务质量(QoS)感知MAC协议。具体来说,基于主用户(PU)的信道使用模式,次用户(SU)采用不同的信道报告和数据传输策略来满足其QoS要求。还开发了一种分析方法,并提出了一种评估QA-MAC性能的方法。大量的仿真验证了我们的分析,并证明了其在吞吐量方面的性能优势。

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