@article {24509,
	title = {Energy-Efficient Cooperative Spectrum Sensing with Amplify-and-Forward Relaying},
	journal = {IEEE Communications Letters },
	volume = {16},
	year = {2012},
	pages = {450-453},
	publisher = {IEEE},
	author = {Huang, S. and Chen, H. and Zhang, Yan and Zhao, F.}
}
