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A New PAPR Reduction Technique in OFDM Systems Using Linear Predictive Coding

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Abstract

High peak-to-average power ratio (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. It is shown that the proposed method can achieve a significant reduction in PAPR without degrading the power spectral level, error performance or computational complexity of the systems. It is also shown that the proposed method is independent of modulation schemes and can be applied to any number of subcarriers under both additive white gaussian noise and wireless Rayleigh fading channel.

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Authors and Affiliations

  1. Electronics and Communication Engineering, University of Information Technology and Sciences, Dhaka, 1212, Bangladesh

    Md. Mahmudul Hasan

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  1. Md. Mahmudul Hasan
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Correspondence to Md. Mahmudul Hasan.

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Hasan, M.M. A New PAPR Reduction Technique in OFDM Systems Using Linear Predictive Coding. Wireless Pers Commun 75, 707–721 (2014). https://doi.org/10.1007/s11277-013-1387-2

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  • DOI: https://doi.org/10.1007/s11277-013-1387-2

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