A scheduling algorithm combined with zero-forcing beamforming for a multiuser MIMO wireless system

@article{Kim2005ASA,
  title={A scheduling algorithm combined with zero-forcing beamforming for a multiuser MIMO wireless system},
  author={Jinsu Kim and Sungwoo Park and Jae Hong Lee and Joonho Lee and Hanwook Jung},
  journal={VTC-2005-Fall. 2005 IEEE 62nd Vehicular Technology Conference, 2005.},
  year={2005},
  volume={1},
  pages={211-215}
}
In this paper, we introduce a scheduling algorithm over a MIMO broadcast channel. Given a set of users, the scheduler selects more than one user and transmits independent data to them simultaneously by using zero-forcing beamforming. Taking computational complexity into account, a greedy method finding the best and most orthogonal channel vectors is proposed. Additionally, considering fairness among asymmetric users, we also propose an asymptotically fair scheduling algorithm. 
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