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Cooperative Spectrum Sensing Utilizing Sub-Nyquist Sampling in Cognitive Radio Networks
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 Title & Authors
Cooperative Spectrum Sensing Utilizing Sub-Nyquist Sampling in Cognitive Radio Networks
Jung, Honggyu; Kim, Kwangyul; Shin, Yoan;
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We propose cooperative spectrum sensing schemes based on sub-Nyquist sampling. As compressed sensing has recently attracted great attention, sparsity order estimation techniques also has been widely investigated. Thus, assuming that the sparsity order of channel occupancy can be obtained, we mathematically analyze the detection performance of sub-Nyquist sampling schemes according to various sampling rates and cooperative spectrum sensing schemes. Simulation results verify the performance of the proposed schemes.
Sub-Nyquist Sampling;Spectrum Sensing;Hard Decision;Hypothesis Test;Sparsity;
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재난 무선통신을 위한 D2D 단말탐색 기반 주파수 자원 확보 기술,오선애;신오순;신요안;

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