Miguel Ángel Vázquez Ana I. Pérez-Neira Miguel Angel Lagunas Transmit beamforming for the MISO Interference Channel with asymmetric link gains. 3225-3228 2012 ICASSP https://doi.org/10.1109/ICASSP.2012.6288602 conf/icassp/2012 db/conf/icassp/icassp2012.html#VazquezPL12