@conference {Globecom_2010, title = {Maximum sum-rate interference alignment algorithms for MIMO channels}, booktitle = {IEEE Global Communications Conference (GLOBECOM 2010)}, year = {2010}, month = {December}, address = {Miami, FL, USA}, author = {Santamar{\'\i}a, Ignacio and Gonz{\'a}lez, {\'O}scar and Heath Jr., Robert W. and Peters, S. W.} }