Multi-antenna based spectrum sensing for cognitive radios: A GLRT approach

FREE-DOWNLOADR Zhang, T Lim, YC Liang… – … , research Transactions on, 2010 –
Abstract—In this letter, we propose multi-antenna based spec- trum sensing methods for cognitive
radios (CRs) using the generalized likelihood ratio test (GLRT) paradigm. The proposed methods
utilize the eigenvalues of the sample covariance matrix of the received signal vector from