Lasers, Fiber Optics, and Communications

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

[+] Author Affiliations
Shan Jiang, Wei Xiao, Jie Du

Central South University, Institute of Super-Microstructure and Ultrafast Process in Advance Materials, Hunan Province, Changsha 410083, China

Central South University, School of Physics and Electronics, Lushan South Road, Changsha 410083, China

Honggui Deng

Central South University, Institute of Super-Microstructure and Ultrafast Process in Advance Materials, Hunan Province, Changsha 410083, China

Central South University and Xinjiang Non-Ferrous, Joint Research Institute, Lushan South Road, Changsha 410083, China

Central South University, School of Physics and Electronics, Lushan South Road, Changsha 410083, China

Opt. Eng. 54(10), 106112 (Oct 28, 2015). doi:10.1117/1.OE.54.10.106112
History: Received July 9, 2015; Accepted October 9, 2015
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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.

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© 2015 Society of Photo-Optical Instrumentation Engineers

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", Opt. Eng. 54(10), 106112 (Oct 28, 2015). ; http://dx.doi.org/10.1117/1.OE.54.10.106112


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