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Optimal and Suboptimal Resource Allocation in MIMO Cooperative Cognitive Radio Networks
2014
Journal of Optimization
The core aim of this work is the maximization of the achievable data rate of the secondary user pairs (SU pairs), while ensuring the QoS of primary users (PUs). All users are assumed to be equipped with multiple antennas. It is assumed that when PUs are present, the direct communication between SU pairs introduces intolerable interference to PUs and thereby SUs transmit signal using the cooperation of one of the SUs and avoid transmission in the direct channel. In brief, an adaptive cooperative
doi:10.1155/2014/190196
fatcat:b7afx4mrz5bfzc5xauohbxtfri