Estimation and Cancellation of Nonlinear Companding Noise for Companded Multicarrier Transmission Systems
Sign Up to like & getrecommendations! Published in 2017 at "Wireless Personal Communications"
DOI: 10.1007/s11277-017-4174-7
Abstract: Nonlinear companding transform (NCT) is an efficient method to reduce the high peak-to-average power ratio (PAPR) of multicarrier transmission systems. However, the introduced companding noise severely restrains the bit-error-rate (BER) performance. In this paper, a… read more here.
Keywords: transmission systems; multicarrier transmission; nonlinear companding; noise ... See more keywords
Variation Approach-Based Nonlinear Companding Scheme for PAPR Reduction in OFDM Systems
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DOI: 10.1109/tbc.2022.3194362
Abstract: Orthogonal frequency division multiplexing (OFDM) continues to find vast deployment in current and next generation wireless communication systems. However, high peak-to-average power ratio (PAPR) is one of the major drawbacks in the OFDM system. In… read more here.
Keywords: nonlinear companding; approach based; variation approach; variation ... See more keywords
A new nonlinear companding algorithm based on tangent linearization processing for PAPR reduction in OFDM systems
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DOI: 10.23919/jcc.2020.08.011
Abstract: In this paper, a novel nonlinear companding transform (NCT) is proposed to reduce the Peak-to-Average Power Ratio (PAPR) of orthogonal frequency division multiplexing (OFDM) signals. The companding function is designed based on continuously differentiable reshaping… read more here.
Keywords: ofdm systems; papr; papr reduction; new nonlinear ... See more keywords