A Leakage-Based MMSE Beamforming Design for a MIMO Interference Channel

  title={A Leakage-Based MMSE Beamforming Design for a MIMO Interference Channel},
  author={Fan Sun and Elisabeth de Carvalho},
  journal={IEEE Signal Processing Letters},
We propose a low complexity design of the linear transmit filters for a MIMO interference channel. This design is based on a minimum mean squared error (MMSE) approach incorporating the signal and the interference leakage for each transmitter. Unlike the previous methods, it allows a closed-form expression of the regularization factor for the MMSE transmit filter. Hence, it requires a lower computational complexity compared to the conventional MMSE approach that is optimally achieved by solving… CONTINUE READING
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