摘要
为降低光纤通信系统中非线性效应对信号的影响,对基于非线性傅里叶变换(NFT)的非线性频分复用(NFDM)通信系统进行研究,结合正交相移键控(QPSK),利用一种特征值调制的方法对信道非线性补偿。理论和仿真结果表明了该方法可以有效缓解光纤的非线性效应。
In order to reduce the influence of nonlinearity on the signal in optical fiber communication system,the non-linear frequency division multiplexing(NFDM)communication system based on non-linear Fourier transform(NFT)is studied.In combination with orthogonal phase shift keying(QPSK),an eigenvalue modulation method is used to compensate the channel nonlinearity.The theoretical and simulation results show that the method can effectively alleviate the non-linear effect of optical fibers.
作者
牟炯之
梁猛
MU Jiongzhi;LIANG Meng(School of Electronic Engineering,Xi'an University of Posts and Telecommunications,Xi'an 710121,China)
出处
《光通信技术》
北大核心
2019年第6期34-37,共4页
Optical Communication Technology
