The Effectiveness of Active Constellation Extension for PAPR Reduction in SEFDM Systems

In this paper the algorithm of Active Constellation Extension (ACE) for peak-to-average power ratio (PAPR) reduction in spectral efficient frequency division multiplexing (SEFDM) systems is considered. Overall system performance is investigated taking into account influence of non-linear power amplifier (PA). Values of ACE parameters corresponding to the best bit error rate (BER) performance are obtained. Two types of PA models are considered: solid state power amplifier (SSPA) and traveling-wave tube amplifier (TWTA).

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