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Multi-antenna-based spatial multiplexing exhibit high potential for enhancing the system performance of future cognitive radio networks [1]-[3]. This paper proposes a novel cooperative spectrum sensing approach that utilizes coordinated beamforming and node clustering. It provides a generic framework that can be exploited by any cooperative spectrum sensing and fusion technique. The performance analysis...
Detection performance of cognitive radios can be significantly improved by utilizing Higher Order Statistics (HOS) in the spectrum sensing process. The additional usage of goodness-of-fit tests on the inspected frequency spectrum can further improve the signal detection. This letter proposes a novel detection method that uses goodness-of-fit tests on the skewness and kurtosis of the FFT power spectrum...
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