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- W2000659613 abstract "This paper considers the ergodic non-coherent capacity of a multiple-input multiple-output frequency-flat block Rayleigh fading relay channel. It is shown that for this channel restricting the input distribution to be isotropic on a compact Grassmann manifold maximizes an upper bound on the cut-set bound at high signal-to-noise ratios (SNRs). Furthermore, Grassmannian signalling at the source achieves this bound within an SNR-independent gap. For moderate-to-high SNRs, a Grassmannian decode-and-forward (DF) relaying scheme is devised, and the optimal signalling dimensionality that minimizes the gap to the upper bound is obtained." @default.
- W2000659613 created "2016-06-24" @default.
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- W2000659613 date "2012-09-01" @default.
- W2000659613 modified "2023-09-25" @default.
- W2000659613 title "Grassmannian signalling achieves the ergodic high SNR capacity of the non-coherent MIMO relay channel within an SNR-independent gap" @default.
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- W2000659613 doi "https://doi.org/10.1109/itw.2012.6404711" @default.
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