摘要: We consider the MIMO wiretap channel, that is a broadcast channel where transmitter sends some confidential information to one user which legitimate receiver, while other an eavesdropper. Perfect secrecy achieved when and receiver can communicate at positive rate, insuring eavesdropper gets zero bits of information. In this paper, we compute perfect capacity multiple antenna number antennas arbitrary for both two receivers. Our technique involves careful study Sato-like upper bound via solution certain algebraic Riccati equation.
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