@conference {639,
	title = {Optimum Training for CSI Acquisition in Cognitive Radio Channels},
	booktitle = {Asilomar Conference on Signals, Systems, and Computers},
	year = {2012},
	address = {Pacific Grove, CA},
	keywords = {adaptive signal processing, cognitive radio, dynacs},
	doi = {10.1109/ACSSC.2012.6488973},
	author = {Alberto Rico-Alvari{\~n}o and C. Mosquera}
}
