Spectral function modulation based on nonlinear frequency division multiplexing

被引：0
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作者：
Guangqiang He
Luning Wang
Chenyang Li
Siyu Liu
Weisheng Hu
机构：
[1] Shanghai Jiao Tong University,State Key Laboratory of Advanced Optical Communication Systems and Networks, Department of Electronic Engineering
[2] Chinese Academy of Sciences,State Key Laboratory of Information Security, Institute of Information Engineering
来源：
Scientific Reports | / 7卷
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摘要：
A combination of phase and amplitude modulation in nonlinear discrete spectrum is proposed based on nonlinear frequency division multiplexing. Here the integrable nonlinear Schrodinger equation is used as the channel model. We propose the transmission system with designed transmitting signals and implement our scheme with simulation. We use 8QAM constellation and 2 eigenvalues to generate 5 bit signals, which greatly improve spectral efficiency. This method can be expanded for higher order modulation and further improve transmission capacity in limited bandwidth.
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