Architectures for cognitive radio testbeds and demonstrators - An overview. - Oscar Gustafsson; Kiarash Amiri; Dennis Andersson; Anton Blad; Christian Bonnet; Joseph R. Cavallaro; Jeroen Declerck; Antoine Dejonghe; Patrik Eliardsson; Miguel Glassee; Aawatif Hayar; Lieven Hollevoet; et al. (CrownCom, 2010)