Informationstheorie für Kompakt-Antennen-Arrays

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A challenging hurdle when one tries to apply information theory to real-world problems is to find the right channel models to work on. The class of problems considered here is information theory for channels with compact antenna arrays. The starting point is recent award-winning work on such arrays and its extensions to network communications. The goals are to develop reasonable channel models that are amenable to information-theoretic analysis, and to determine the capacity of static and stochastic multi-input multi-output (MIMO) channels under realistic constraints. The work will further develop information theory for uncertain channels requiring channel estimation, for cellular networks including multi-access and broadcast models, and for interference channels where one does not treat interference simply as background noise. Finally, the work will apply the new models and theory to relay channels to develop information-theoretic relaying protocols that can closely approach capacity.