Capacity enhancement via multi-mode adaptation in spatially correlated MIMO channels. Forenza, A., McKay, M., Pandharipande, A., Heath Jr., R., & Collings, I. In IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC, volume 2, 2005.
abstract   bibtex   
We consider a low-complexity adaptive MIMO transmission approach for spatially correlated channels. The proposed scheme adaptively switches between different transmission modes depending on the changing channel conditions, as a means to enhance system capacity. Each mode is a combination of a transmission technique (ie. statistical beamforming, double space-time transmit diversity and spatial multiplexing) and a modulation/coding scheme. We first motivate our adaptive algorithm by deriving new closed-form capacity expressions, and demonstrating significant information theoretic improvements over nonadaptive transmission. We then present a practical method to switch between different modes, based on the channel statistics. Our approach is shown to yield significant improvements in spectral efficiency for typical channel scenarios.1 ? 2005 IEEE.
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 title = {Capacity enhancement via multi-mode adaptation in spatially correlated MIMO channels},
 type = {inproceedings},
 year = {2005},
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 abstract = {We consider a low-complexity adaptive MIMO transmission approach for spatially correlated channels. The proposed scheme adaptively switches between different transmission modes depending on the changing channel conditions, as a means to enhance system capacity. Each mode is a combination of a transmission technique (ie. statistical beamforming, double space-time transmit diversity and spatial multiplexing) and a modulation/coding scheme. We first motivate our adaptive algorithm by deriving new closed-form capacity expressions, and demonstrating significant information theoretic improvements over nonadaptive transmission. We then present a practical method to switch between different modes, based on the channel statistics. Our approach is shown to yield significant improvements in spectral efficiency for typical channel scenarios.1 ? 2005 IEEE.},
 bibtype = {inproceedings},
 author = {Forenza, A. and McKay, M.R. and Pandharipande, A. and Heath Jr., R.W. and Collings, I.B.},
 booktitle = {IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC}
}

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