New companding transform for PAPR reduction in OFDM

Authors:
Yuan Jiang
Affiliations:
Independent consultant in Toronto, Ontario, Canada
Venue:
IEEE Communications Letters
Year:
2010

Citing 3
Cited 1

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Optimal Adaptive Hyperbolic Companding for OFDM

AUSWIRELESS '07 Proceedings of the The 2nd International Conference on Wireless Broadband and Ultra Wideband Communications
An overview of peak-to-average power ratio reduction techniques for multicarrier transmission

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Reduction of PAPR of OFDM Signals Using Nonlinear Companding Transform

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Abstract

High peak-to-average power ratio (PAPR) is a major drawback of orthogonal frequency division multiplexing (OFDM) systems. Among the various PAPR reduction techniques, companding transform appears attractive for its simplicity and effectiveness. This paper proposes a new companding algorithm. Compared with the others, the proposed algorithm offers an improved bit error rate and minimized out-of-band interference while reducing PAPR effectively. Theoretical analysis and numerical simulation are presented.