On the relationship between the multi-antenna secrecy communications and cognitive radio communications - Zhang, Lan; Zhang, Rui; Liang, Ying-Chang; Xin, Yan; Cui, Shuguang (IEEE transactions on communications, 2010)
Keywords: Channels; Chromium; Cognitive radio; Communications Society; Computation; convex optimization; Covariance matrix; Equivalence; Gaussian; Information technology; Interference constraints; interference temperature; Maximization; MIMO; multi-antenna systems; Mutual information; National electric code; Optimization; secrecy capacity; Temperature; Upper bound