1. Interference Alignment and Degrees of Freedom of the $K$-User Interference Channel
2. [2] S. A. Jafar and M. J. Fakhereddin, “Degrees of Freedom for the MIMO Interference Channel,” IEEE Trans. Inf. Theory, vol. 53, no. 7, pp. 2637-2642, July 2007.
3. [3] T. Gou and S. A. Jafar, “Degrees of Freedom of the K User M×N MIMO Interference Channel,” IEEE Trans. Inf. Theory, vol. 56, no. 12, pp. 6040-6057, Dec. 2010.
4. Degrees of Freedom Region of the MIMO $X$ Channel
5. [5] C. Suh, D. Tse, and M. Ho, “Downlink Interference Alignment,” Proc. IEEE Globecom, Dec. 2010.