Novel convexification methods in probabilistic-based secrecy rate maximisation

What is it about?

We, in this paper, proposed two optimally tractable solutions to a general paradigm of wiretap channels as well. Our two proposed methods were according to the chaotic behaviour of the wiretap channel which experienced an imperfect channel state information at the transmitter. The two methods were in the context of the principle Concentration-of-Measure, specifically concentration measurement inequalities such as McDiarmid’s one. Our methods outperformed the existing works such as Bernstein-type inequality-based approach; in terms of both significantly more favourable bound and complexity.

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Why is it important?

The importance of our work is obvious since this comprised physical implication of the chaotic behaviour in relation to the wiretap channel. The two methods were in the context of Concentration-of-Measure which was newly defined; supporting a markedly more acceptable bound and complexity.

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