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In multiple-input–multiple-output (MIMO) systems, beamforming can maximise the signal-to-noise ratio by using the principal right and left singular vectors of the channel matrix as transmit and receive beam vectors, respectively. A matching pursuit (MP)-based singular vectors estimation (SVE) scheme is proposed, referred to as MP-SVE, for beamforming transmission and detection in large MIMO systems...
The cubic metric (CM) is being regarded as a more accurate metric for envelope fluctuations of orthogonal frequency division multiplexing (OFDM) signals than peak-to-average power ratio (PAPR). Iterative clipping and filtering (ICF) is a simple and efficient technique for PAPR reduction. However, analysis shows that it cannot achieve sufficient CM reduction due to the difference between the two metrics...
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