Weighted sum-rate maximization for MISO downlink cellular networks via branch and bound

@article{Joshi2011WeightedSM,
  title={Weighted sum-rate maximization for MISO downlink cellular networks via branch and bound},
  author={S. Joshi and Chathuranga Weeraddana and Marian Codreanu and Matti Latva-aho},
  journal={2011 Conference Record of the Forty Fifth Asilomar Conference on Signals, Systems and Computers (ASILOMAR)},
  year={2011},
  pages={1569-1573}
}
The problem of weighted sum-rate maximization (WSRMax) in multicell downlink multi-input single-output (MISO) systems is considered. The problem is known to be NP-hard. We propose a solution method, based on branch and bound technique, which solves globally the nonconvex WSRMax problem with an optimality certificate. Specifically, the algorithm computes a sequence of asymptotically tight upper and lower bounds and it terminates when the difference between the upper and lower bound is smaller… CONTINUE READING
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