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This paper establishes sufficient conditions under which a memoryless channel with real, scalar and peak power limited input exhibits a capacity achieving input probability measure that is discrete with a finite number of probability mass points. A proof for the sufficiency of the proposed conditions is presented. Some examples are also illustrated as further evidence for the presented theory.
This paper considers the distributed computation of non-asymptotic confidence regions for parameter estimation. Some information diffusion strategies are proposed and compared in terms of the required number of data exchanges to get the corresponding region. The effect of algorithm truncation is also addressed. As support for the theoretical part, numerical results are presented.
A new communication paradigm, namely piggyback communication, is introduced. The founding principle of piggyback communication is to recycle source of opportunity (SoO) signals, already available in the surrounding environment for other services, to establish short-range passive radio links between a certain number of wireless nodes and a receiver without the injection of additional power in the environment,...
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