Regularized Channel Inversion for Multiple-Antenna users in Multiuser MIMO Downlink

@article{Lee2008RegularizedCI,
  title={Regularized Channel Inversion for Multiple-Antenna users in Multiuser MIMO Downlink},
  author={Heunchul Lee and Kwangwon Lee and Bertrand M. Hochwald and Inkyu Lee},
  journal={2008 IEEE International Conference on Communications},
  year={2008},
  pages={3501-3505}
}
Channel inversion is one of the simplest techniques for multiuser downlink systems with single-antenna users. In this paper, we extend the regularized channel inversion technique developed for the single-antenna user case to multiuser multiple- input multiple-output (MIMO) channels with multiple-antenna users. We first employ the multiuser preprocessing to project the multiuser signals near the null space of the unintended users based on the MMSE criterion, and then the single-user… CONTINUE READING
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