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Decision-Based Cooperative Spectrum Sensing Using Random Medium-Access Sequential Reporting
IEEE Canadian Journal of Electrical and Computer Engineering ( IF 2 ) Pub Date : 2020-01-01 , DOI: 10.1109/cjece.2020.2973627
Ahmed A. Ahmed , Ala Abu Alkheir , Hussein T. Mouftah

Sequential reporting has the potential of reducing the duration of the reporting phase of the cooperative spectrum sensing (CSS) schemes, thereby increasing the overall system throughput. In this article, we study decision-based CSS using random medium-access sequential reporting and a K-out-of-M decision rule at the fusion center. Closed-form expressions are derived for the detection and false alarm probabilities as well as the average reporting time of two early termination sequential reporting schemes, assuming a reporting channel shared with the primary user (PU). Furthermore, a heuristic energy-based reporting priority scheme that favors cognitive radio (CR) terminals based on their capacity to detect the PU is proposed. Computer simulations are used to assess the accuracy of the derived expressions and to evaluate the proposed heuristic reporting priority scheme.

中文翻译:

使用随机媒体访问顺序报告的基于决策的协作频谱感知

顺序报告有可能减少协作频谱感知 (CSS) 方案的报告阶段的持续时间,从而提高整体系统吞吐量。在本文中,我们在融合中心使用随机媒体访问顺序报告和 K-out-of-M 决策规则研究基于决策的 CSS。假设与主用户 (PU) 共享报告信道,则为检测和误报概率以及两个提前终止顺序报告方案的平均报告时间导出封闭式表达式。此外,提出了一种基于启发式能量的报告优先级方案,该方案有利于认知无线电 (CR) 终端基于其检测 PU 的能力。
更新日期:2020-01-01
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