Abstract / truncated to 115 words (read the full abstract)

This dissertation is devoted to the analysis of fairness at the physical layer in multi-antenna multi-user communications, which implies a new view on traditional techniques. However, the degree of equality/inequality of any resource distribution has been extensively studied in other fields such as Economics or Social Sciences. Indeed, engineers usually aim at optimizing the total performance, but when multiple users come into play, the overall optimization might not necessarily be the best thing to do. For instance in wireless systems, the user with a bad channel condition might suffer the consequences from the selective choice based on the instantaneous channel quality made by a centralized entity. In this sense, the problem has four different perspectives: ...

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