A robust interference alignment scheme for the MIMO X channel

@article{Shen2009ARI,
  title={A robust interference alignment scheme for the MIMO X channel},
  author={Hui Shen and Bin Li and Yongyao Luo and Feng Liu},
  journal={2009 15th Asia-Pacific Conference on Communications},
  year={2009},
  pages={241-244}
}
In this paper, we propose a new interference alignment (IA) scheme designing jointly the linear transmitter and receiver for the 2 user MIMO X channel system, using minimum total mean square error criterion, subject to each transmitter power constraint. Considering the channel estimation errors, we further propose a robust design for the IA. Iterative method is used to obtain the optimal solutions. Simulation results show that the proposed schemes outperform the existing with fast convergence.