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• W2778347795 abstract "Cognitive radio (CR) is a promising scheme to improve the spectrum utilization. Spectrum sensing (SS) is one of the main tasks of CR. Cooperative spectrum sensing (CSS) is used in CR to improve detection capability. Due to its simplicity and low complexity, sensing based on energy detection known as conventional energy detection (CED) is widely adopted. CED can be generalized by changing the squaring operation of the amplitude of received samples by an arbitrary positive power p which is referred to as the generalized energy detector (GED). The performance of GED degrades when there exists noise uncertainty (NU). In this paper, we investigate the performance of CSS by considering the noise NU when all the secondary users (SUs) employ GED. We derive the signal to noise ratio (SNR) wall for CSS for both hard and soft decision combining. All the derived expressions are validated using Monte Carlo (MC) simulations." @default.
• W2778347795 created "2018-01-05" @default.
• W2778347795 creator A5025624647 @default.
• W2778347795 creator A5075740003 @default.
• W2778347795 date "2017-12-19" @default.
• W2778347795 modified "2023-09-27" @default.
• W2778347795 title "SNR Wall for Cooperative Spectrum Sensing Using Generalized Energy Detector" @default.
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• W2778347795 hasPublicationYear "2017" @default.
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