Teng Joon Lim Rui Zhang Ying-Chang Liang Yonghong Zeng GLRT-Based Spectrum Sensing for Cognitive Radio. 4391-4395 2008 GLOBECOM http://dx.doi.org/10.1109/GLOCOM.2008.ECP.842 conf/globecom/2008 db/conf/globecom/globecom2008.html#LimZLZ08