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Inter-Subcarrier Phase Scrambling for PAPR Reduction in IM-DD OFDM System

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Abstract

By breaking the strong phase connection of constellations among OFDM subcarriers, a pre-defined random phase sequence for PAPR reduction is applied in an IM-DD system. A ~0.8dB receiving sensitivity improvement is achieved at 10−3 BER threshold.

© 2017 Optical Society of America

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