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- W2371205235 abstract "A new companding transform scheme is proposed to reduce the Peak-to-Average Ratio (PAPR) of Orthogonal Frequency Division Multiplexing (OFDM) signals. By exploiting statistical distribution of transmitted OFDM signals, the proposed scheme effectively reduces the PAPR by compressing the peak signals and expanding the small signals, while maintaining the average power unchanged by properly choosing transform parameters. The characteristics and performance of system with conventional and new companding scheme are compared. The proposed scheme is illustrated in detail and analyzed in terms of reducing PAPR, computational complexity and improvement in BER performance in OFDM system. The simulation results confirm that the suggested scheme exhibits a good ability to reduce PAPR and a good BER performance with a Solid State Power Amplifier (SSPA) and in an Additive White Gaussian Noise (AWGN) channel." @default.
- W2371205235 created "2016-06-24" @default.
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- W2371205235 date "2005-01-01" @default.
- W2371205235 modified "2023-09-24" @default.
- W2371205235 title "Nonlinear Companding Transform for Reducing Peak-to-Average Power Ratio in OFDM Systems" @default.
- W2371205235 hasPublicationYear "2005" @default.
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