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Having multiple secondary users (SUs) can be exploited to achieve multiuser diversity and improve the throughput of the underlay secondary network. In the cognitive setting, satisfying the interference constraint is essential, and thus, a scheduling scheme is considered where some SUs are preselected based on the low interference power. From this subset, the SU that yields the highest throughput is selected for transmission. This scheduling scheme helps to lower the interference power whiledoi:10.1109/icassp.2013.6638669 dblp:conf/icassp/KhanDTA13 fatcat:czwdhqftbrafhfnwdbbw5gqko4