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An over-the-air demonstration of unsupervised (blind) multiple-input/multiple output (MIMO) channel deconvolution is presented. The results were obtained in an indoor multiple antenna (BLAST) context. A suitable unsupervised MIMO technique was used in order to avoid the effective reduction of spectral efficiency caused by the use of channel training. To the authors' knowledge, this may be the first reported experiment of successful over-the-air unsupervised MIMO deconvolution.
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Samardžija et al. (2002) studied this question.
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