@conference {694, title = {Spectrum Sensing in Time-Varying Channels Using Multiple Antennas}, booktitle = {IEEE 14th Int. Workshop on Signal Processing Advances in Wireless Communications (SPAWC), Darmstadt (Germany)}, year = {2013}, month = {06/2013}, keywords = {cognitive radio, dynacs, spectrum sensing}, doi = {10.1109/SPAWC.2013.6612027}, author = {Daniel Romero and R. L{\'o}pez-Valcarce} }