@ARTICLE{4450815, author={Liu, Jia and Hou, Y. Thomas and Shi, Yi and Sherali, Hanif D. and Kompella, Sastry}, journal={IEEE Transactions on Wireless Communications}, title={On the capacity of multiuser MIMO networks with interference}, year={2008}, volume={7}, number={2}, pages={488-494}, doi={10.1109/TWC.2008.060732}}