A New Approach to User Scheduling in Massive Multi-User MIMO Broadcast Channels

@article{Lee2018ANA,
  title={A New Approach to User Scheduling in Massive Multi-User MIMO Broadcast Channels},
  author={Gunwoo Lee and Youngchul Sung},
  journal={IEEE Transactions on Communications},
  year={2018},
  volume={66},
  pages={1481-1495}
}
In this paper, a new two-phase-feedback-based user-scheduling-and-beamforming method is proposed for multi-user multiple-input multiple-output downlink in the context of two-stage beamforming. The key ideas of the proposed method are: 1) to use a set of orthogonal reference beams and construct a cone around each reference beam to select “nearly-optimal” semi-orthogonal users based only on channel quality indicator feedback; and 2) to apply post-user-selection beam design with zero-forcing… CONTINUE READING
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