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On the capacity of generalized-K fading MIMO channels

Michail Matthaiou (Institutionen för signaler och system, Signalbehandling) ; Nestor D. Chatzidiamantis ; George K. Karagiannidis ; Josef A. Nossek
IEEE Transactions on Signal Processing (1053-587X). Vol. 58 (2010), 11, p. 5939-5944.
[Artikel, refereegranskad vetenskaplig]

This correspondence explores the ergodic capacity of multiple-input multiple-output (MIMO) systems operating in generalized-K fading conditions. Using some recent results on majorization theory, we derive an analytical capacity bound which is applicable for arbitrary values of the signal-to-noise ratio (SNR) and number of antenna elements. In addition, we deduce simple bound approximations in the high-SNR regime and demonstrate that the effects of small and large-scale fading are decoupled. A similar statistical analysis is carried out for MIMO channels under K-fading, which represents a special case of generalized- fading that can be tackled via the Wishart matrix theory. The implications of the model parameters on the bound performance are also investigated via Monte Carlo simulations.

Nyckelord: Ergodic capacity; generalized-K fading; majorization theory; MIMO systems

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Denna post skapades 2010-07-02. Senast ändrad 2016-08-22.
CPL Pubid: 123633


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