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  5. Spectrum sensing over the channels with rayleigh fading and frequency offsets

Spectrum sensing over the channels with rayleigh fading and frequency offsets

І.І. Sopronyuk, V.P. Lysechko, A.V. Severinov
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In the article the algorithm of the spectrum sensing is investigated on the basis of the use of adaptive notch filter with the subsequent use of single matched filter. The imitation modeling is show basic advantages as compared to other algorithms of the spectrum sensing. The curves of receiver operating characteristic were built at the different values of relation SNR.
Keywords: cognitive radio, the spectrum sensing, Rayleigh fading, adaptive notch filter, matched filter, receiver operating characteristics