@conference {306,
	title = {Experimental Testbed for 5G Cognitive Radio Access in 4G LTE Cellular Systems},
	booktitle = {Proceedings of the IEEE Sensor Array and Multichannel Signal Processing Workshop (SAM{\textquoteright}14)},
	year = {2014},
	month = {06/2014},
	address = {A Coruna, Spain},
	author = {Martin Danneberg and Rohit Datta and Andreas Festag and Gerhard Fettweis}
}