Abstract:In this paper three different scenarios in wide band spectrum sensing have been studied. While the signal and noise statistics are supposed to be unspecified, random matrixes have been utilized in order to estimate the noise variance. These scenarios are: 1-Number of subbands is specified and there is enough information regarding being used or being unused for each of them. 2-Number of subbands is known but there is no information about usage distribution among them. 3-Number of subbands is unknown. Simulation… Show more
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