Jose P. Gonzalez-ComaMichael JohamPaula Maria CastroLuis CastedoPower minimization in the multiuser downlink under user rate constraints and imperfect transmitter CSI.4863-48672013ICASSPhttps://doi.org/10.1109/ICASSP.2013.6638585conf/icassp/2013db/conf/icassp/icassp2013.html#Gonzalez-ComaJCC13