Convex optimization-based beamforming in cognitive radio multicast transmission

@article{Beko2012ConvexOB,
  title={Convex optimization-based beamforming in cognitive radio multicast transmission},
  author={Marko Beko and Slavisa Tomic and Rui Dinis and Vlatko Lipovac},
  journal={2012 IEEE Vehicular Technology Conference (VTC Fall)},
  year={2012},
  pages={1-5}
}
A novel algorithm for transmit beamforming to single cochannel multicast group is presented in this paper. We consider the max-min fairness (MMF) based beamforming problem where the maximization of the smallest receiver signal-to-noise ratio (SNR) over the secondary users subject to constraints on the transmit power and interference caused to the primary users. It is shown that this problem, which is nonconvex NP-hard, can be approximated by a convex second-order cone programming (SOCP) problem… CONTINUE READING
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CVX: Matlab software for disciplined convex programming”, version 1.21

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