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In this paper, we propose an enhanced strategy for jointly-optimized uncoordinated beamforming over cognitive radio network. We consider a transmission of a single information stream in both primary and secondary links where both primary and secondary users are equipped with multiple antennas and transmit concurrently over the same spectrum. Specifically, the optimum weights to maximize the individual...
This paper presents the two strategies of jointly-optimized uncoordinated beamforming algorithms for cognitive radio networks. Here, we evaluate the performance of signal-to-interference-plus-noise ratio (SINR) and achievable sum rate of the system when both primary and secondary users transmit concurrently over the same spectrum. We present the optimum weight design to maximize the SINR and achievable...
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