Abstract:Cognitive Radio Networks (CRN), as a promising technology to increase the underutilized fixed allocated spectrum usage, encounters many new practical challenges. Spectrum sensing is one of the key functionalities in CRN. Spatially distributed cooperative spectrum sensing can effectively solve the hidden primary user problem. However, the number of CRs in the cooperation is dynamically changing over time. We study the impact of this dynamic on the spatially distributed cooperative spectrum sensing performance. … Show more
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