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To make full use of the spectrum resources with the coexistence of primary users (PUs) and secondary users (SUs) in cognitive radio networks (CRNs), we jointly consider the signal-to-interference-plus-noise ratio (SINR) and the transmission power of SUs to build a relevant interference model in this paper. Based on non-cooperative game theory, we propose a novel power control algorithm with a new...
In order to improve the average performance of detecting spectrum holes for second user (SU), we propose the weighted energy detection method. In this paper, we firstly classify the detection situations into two modes. One corresponds to the situation that the primary user (PU) signal takes up the whole detection window if PU signal exists. The other corresponds to the situation that the PU signal...
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