Efficient Beamforming for MIMO Relaying Broadcast Channel With Imperfect Channel Estimation

@article{Wang2012EfficientBF,
  title={Efficient Beamforming for MIMO Relaying Broadcast Channel With Imperfect Channel Estimation},
  author={Zijian Wang and Wen Chen and Jun Li},
  journal={IEEE Transactions on Vehicular Technology},
  year={2012},
  volume={61},
  pages={419-426}
}
We consider a multiple-input-multiple-output (MIMO) relaying broadcast channel in downlink cellular networks, where the base station and the relay stations are both equipped with multiple antennas, and each user terminal has only a single antenna. In practical scenarios, channel estimation is imperfect at the receivers. Aiming to maximize the signal-to-interference noise ratio (SINR), at each user, we develop two robust linear beamforming schemes for the single-relay case and the multirelay… CONTINUE READING
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