New nonlinear companding technique to decrease peak to average power ratio of the optical orthogonal frequency division multiplexing system based on Hartley transform

Shan Jiang; Honggui Deng; Wei Xiao; Jie Du

doi:10.1117/1.OE.54.10.106112

28 October 2015 New nonlinear companding technique to decrease peak to average power ratio of the optical orthogonal frequency division multiplexing system based on Hartley transform

Shan Jiang, Honggui Deng, Wei Xiao, Jie Du

Author Affiliations +

Funded by: Natural Science Foundation of Hunan, Natural Science Foundation of Hunan project ring-resonator-spectroscopic-based detection mechanism and methods of gas pollution, Natural Science Foundation of Xinjiang, Natural Science Foundation of Xinjiang project Detection theory methods of gas pollution

Optical Engineering, Vol. 54, Issue 10, 106112 (October 2015). https://doi.org/10.1117/1.OE.54.10.106112

Abstract

The problem of optics orthogonal frequency division multiplexing (optical-OFDM) communication lies in the peak to average power ratio (PAPR), which seriously affects the quality of communication systems. A composite technique, which combines the Hartley transform and KC companding technique to reduce the PAPR of an optical-OFDM system, is proposed. The proposed technique can obtain the same quality of OFDM signals and offer an improved bit error rate performance by using Hartley transform instead of the traditional Fourier transform, while the computational complexity is almost halved. Theoretical analysis and simulation results show that the proposed technique has a superior performance for reducing the PAPR when compared to the traditional technique.

Citation Download Citation

Shan Jiang, Honggui Deng, Wei Xiao, and Jie Du "New nonlinear companding technique to decrease peak to average power ratio of the optical orthogonal frequency division multiplexing system based on Hartley transform," Optical Engineering 54(10), 106112 (28 October 2015). https://doi.org/10.1117/1.OE.54.10.106112

Published: 28 October 2015

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