Multi-group multicast beamforming in cognitive radio networks via rank-two transmit beamformed Alamouti space-time coding

@article{Ji2013MultigroupMB,
  title={Multi-group multicast beamforming in cognitive radio networks via rank-two transmit beamformed Alamouti space-time coding},
  author={Senshan Ji and Sissi Xiaoxiao Wu and Anthony Man-Cho So and Wing-Kin Ma},
  journal={2013 IEEE International Conference on Acoustics, Speech and Signal Processing},
  year={2013},
  pages={4409-4413}
}
In this paper, we consider transmit design in multiple-input single-output (MISO) multi-group multicast (MM) cognitive radio (CR) systems. Previously, semidefinite relaxation (SDR)-based transmit beamforming has been very successful in transmit design. However, recent research shows that further performance gain is possible by suitably modifying the transmit structure. Here, we propose a transmit beamformed Alamouti space-time code scheme for MM-CR systems, whose corresponding transmit design… CONTINUE READING
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