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Impact of CSI latency on video quality in MIMO systems employing singular value decomposition

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5 Author(s)

Effects of the mismatch between pre- and post-processing matrices in MIMO systems employing singular value decomposition are studied and quantified for the case of conventional, single-description video transmission. Results that justify the use of multiple-description coding to combat errors are presented. In addition, a simple way to mitigate the loss of orthogonality is investigated which restores performance levels to those obtained with a full CSI approach.

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Electronics Letters  (Volume:43 ,  Issue: 18 )