Abstract
Selective mapping (SLM) is a distortionless technique for reducing the peak-to-average power ratio (PAPR) of an orthogonal frequency division multiplexing (OFDM) signal. However, it has a relatively high computational complexity due to the computation of multiple inverse fast Fourier transforms (IFFTs). In this letter, we present a new technique for reducing this complexity which is based on multiplying the phase sequences with a subset of the intermediate IFFT signals. This new technique significantly decreases the computational complexity while providing comparable PAPR reduction to original SLM (O-SLM).
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