A New PAPR Reduction Technique in OFDM Systems Using Linear Predictive Coding
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A New PAPR Reduction Technique in OFDM Systems
Using Linear Predictive Coding
Abstract— High peak-to-average power ratio < Final Year Projects 2016 > PAPR has always been as a major problem in orthogonal frequency division multiplexing (OFDM) that leads to a severe nonlinear distortion in practical hardware implementations of high power amplifier. In this article, a new PAPR reduction method is proposed based on linear predictive coding (LPC). This method proposes the use of signal whitening property of LPC as a preprocessing step in OFDM systems. Error filtering of the proposed method removes the predictable content of stationary stochastic processes which can reduce the autocorrelation of input data sequences and is shown to be very effective solution for PAPR problem in OFDM transmissions.a
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