Abstract

We propose three peak-to-average power ratio (PAPR) reduction schemes for multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems, where the phase shifts and permutation introduced by PAPR reduction are completely resolved by an independent component analysis (ICA) based and precoding aided blind receiver. Therefore, no transmission of side information is needed as required by conventional PAPR reduction schemes, avoiding any spectral overhead. Simulation results show that the proposed schemes reduce the PAPR of the transmit signals considerably.

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