A Companding Technique for PAPR Reduction of OFDM Systems

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概要

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• A companding technique using the hyperbolic tangent transform is proposed for reducing the peak-to-average-power ratio (PAPR) of orthogonal frequency division multiplexing (OFDM) signals. This technique is practical and can be implemented easily in integrated circuit design. The PAPR value of an OFDM system and the optimal companding coefficient to attain the minimum quantization error are derived. Error probability performance of the system after the companding is evaluated. Our simulation results exhibits that the system with the suggested scheme has nearly the same performance as the systems with the μ-law or A-law companding techniques.

• （社）電子情報通信学会の論文
• 2008-03-01

著者

• Liaw Chung-ping

  National Communications Commission

• Hao Miin-jong

  Department Of Computer And Communication Engineering National Kaohsiung First University Of Science

関連論文

• ML Estimation of Frequency Offset for General ICI Self-Cancellation Based OFDM Systems(Wireless Communication Technologies)
• A Companding Technique for PAPR Reduction of OFDM Systems

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