Browsing by Subject "Optimal signalling"
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Article
Optimal signaling for secure communications over Gaussian MIMO wiretap channels
(2016)Optimal signaling over the Gaussian multiple-input multiple-output wire-tap channel is studied under the total transmit power constraint. A closed-form solution for an optimal transmit covariance matrix is obtained when ...
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Article
Rank-Deficient Solutions for Optimal Signaling over Wiretap MIMO Channels
(2016)Capacity-achieving signaling strategies for the Gaussian wiretap multiple-input multple-output (MIMO) channel are investigated without the degradedness assumption. In addition to known solutions, a number of new rank-deficient ...