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Research on Equalization Based on MLSE

机译:基于MLSE的均衡研究

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摘要

A maximum-likelihood sequence estimation (MLSE) based equalizer with Viterbi algorithm is designed in this paper. It can effectively compensate the intersymbol interference (ISI) caused by the polarization mode dispersion (PMD).The simulation results prove that the electronic equalizer, in 40Gbit/s non-return-to-zero (NRZ) optical system with Gaussian noise, can mitigate the polarization mode dispersion (PMD) and improve performance of the communication system. At the last, we compared the MLSE equalizers and DFE(FFE),we can come to the conclusion that the MLSE equalizer is the best way to combat polarization mode dispersion(PMD) and it can improve performance of system effectly.
机译:设计了一种基于维特比算法的最大似然序列估计(MLSE)均衡器。仿真结果表明,在具有高斯噪声的40Gbit / s非归零(NRZ)光学系统中,电子均衡器可以有效地补偿偏振模色散(PMD)引起的符号间干扰(ISI)。减轻偏振模色散(PMD)并提高通信系统的性能。最后,对MLSE均衡器和DFE(FFE)进行了比较,可以得出结论:MLSE均衡器是对抗偏振模色散(PMD)的最佳方法,可以有效地提高系统性能。

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