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Cognitive radio (CR) technology is an emerging technology to improve the utilization of radio spectrum. Cooperative sensing is used to enhance the efficiency of the cognitive radio network (CRN). In this paper, we consider the probability of detection or false alarm under constant detection rate and constant false alarm rate scenarios over the imperfect(More)
Cognitive radio is a promising technology to improve the utilization of wireless spectrum resources. A serious threat to cognitive radio networks (CRN) which sense the spectrum in a cooperative manner is the transmission of false spectrum sensing data by malicious secondary nodes, namely spectrum sensing data falsification (SSDF) attacks. SSDF attackers(More)
The research on non-cooperative multiuser multiple-input multiple-output with space-time block code (MIMO-STBC) communication systems is a challenging and important task. However, to our knowledge, there is little report of this topic. Being two key research issues in this area, modulation classification and user number detection are studied in this paper.(More)
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