@conference {ICC2010_AnalogBeam,
	title = {A general {Pre-FFT} criterion for {MIMO-OFDM} beamforming},
	booktitle = {IEEE International Conference on Communications (ICC 2010)},
	year = {2010},
	month = {May},
	address = {Cape Town, South Africa},
	author = {V{\'\i}a, Javier and Santamar{\'\i}a, Ignacio and Elvira, Victor and Eickhoff, R.}
}
