@conference {SPAWC2007_2,
	title = {{SOS}-Based blind channel estimation under space-time block coded transmissions},
	booktitle = {Eighth IEEE Workshop on Signal Processing Advances in Wireless Communications (SPAWC 2007)},
	year = {2007},
	month = {June},
	address = {Helsinki, Finland},
	author = {V{\'\i}a, Javier and Santamar{\'\i}a, Ignacio and Sezgin, A. and Paulraj, A. J.}
}
@conference {eusipco2007_STBC,
	title = {{SOS}-based blind channel estimation in multiuser space-time block coded systems},
	booktitle = {15th European Signal Processing Conference (EUSIPCO 2007)},
	year = {2007},
	month = {September},
	address = {Poznan, Poland},
	author = {V{\'\i}a, Javier and Santamar{\'\i}a, Ignacio and Sezgin, A. and Paulraj, A. J.}
}
