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In cognitive radio (CR) networks, secondary users (SUs) detect and share a spectrum band assigned to a primary user (PU) to communicate with their respective secondary receivers. In order to increase the reliability of the detection performance, the SUs cooperatively sense the spectrum by reporting their local information to a fusion center (FC) after quantization. For an accurate information transferring,...
In cognitive radio femtocell network (CRFN), secondary users (SUs) cooperatively sense a spectrum band to decide the presence of primary network. However, this sensing overhead generally degrades the throughput performance. The prior work, to resolve this problem, proposed algorithms either to decrease the time spent in sensing or to decrease the number of SUs participating in sensing. In this paper,...
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