@conference {RamirezValcarceICASSP10,
	title = {Multiantenna spectrum sensing: detection of spatial correlation among time-series with unknown spectra},
	booktitle = {IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)},
	year = {2010},
	address = {Dallas, TX},
	keywords = {cognitive radio, coherence spectrum, generalized likelihood ratio test, Hadamard ratio, multiple-channel signal detection},
	author = {David Ram{\'\i}rez and Javier V{\'\i}a and Ignacio Santamar{\'\i}a and R. L{\'o}pez-Valcarce and L. L. Scharf}
}
