Di Pu Yuan Shi Andrei V. Ilyashenko Alexander M. Wyglinski Detecting Primary User Emulation Attack in Cognitive Radio Networks. 1-5 2011 GLOBECOM http://dx.doi.org/10.1109/GLOCOM.2011.6134419 conf/globecom/2011 db/conf/globecom/globecom2011.html#PuSIW11