@article {296, title = {Heterogeneous spectrum sensing: challenges and methodologies}, journal = {Eurasip Journal on Wireless Communications and Networking}, year = {2014}, month = {2014}, author = {Wei Liu and Chwalisz, Mikolaj and Eli De Poorter and Carolina Fortuna and Jan-Hinrich Hauer and Pareit, Daan and Lieven Hollevoet and Moerman, Ingrid} }