Degrees of Freedom of the K User M×N MIMO Interference Channel

Tiangao Gou Syed Ali Jafar Degrees of Freedom of the K User M×N MIMO Interference Channel http://arxiv.org/abs/0809.0099 2008 CoRR abs/0809.0099 db/journals/corr/corr0809.html#abs-0809-0099 informal publication