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- W2830619114 abstract "Abstract The main drawback in the performance of the Orthogonal Frequency Division Multiplexing (OFDM) system is the higher Peak-to-Average Power Ratio (PAPR) of the OFDM signals at the transmitter side. Companding is a well-known technique useful for reducing PAPR in the OFDM signal. This paper proposes a new nonlinear companding scheme that transforms the magnitude of Rayleigh distributed OFDM signal of specific degree into trapezoidal distribution. Additional design parameter is used in the proposed companding scheme to make the companding function more flexible. In the designed OFDM system the companding function has more degree of freedom which improves the PAPR and bit error rate (BER) parameters of the designed system. It has been demonstrated that the designed companding scheme provides more flexibility to accomplish an optimum trade-off between the performance parameters PAPR and BER of the designed OFDM system." @default.
- W2830619114 created "2018-07-19" @default.
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- W2830619114 date "2018-07-10" @default.
- W2830619114 modified "2023-09-26" @default.
- W2830619114 title "Generalized Trapezoidal Companding Technique for PAPR Reduction in OFDM Systems" @default.
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- W2830619114 doi "https://doi.org/10.1515/joc-2018-0083" @default.
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