NGMI and Kullback–Leibler Divergence in High-Baudrate PAM Transmission with Severe Bandwidth Limitation

Shuto Yamamoto, Hiroki Taniguchi, Akira Masuda, M. Nakamura, Y. Kisaka
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Abstract

We demonstrate 93-Gbaud PAM transmission with or without nonlinear differential coding in O-band experiment with 10-dB bandwidth of 32 GHz, in which the coding scheme realizes the lower Kullback-Leibler divergence and the higher NGMI.
严重带宽限制下高波特率PAM传输中的NGMI和Kullback-Leibler散度
在10db带宽为32ghz的o波段实验中,我们演示了采用或不采用非线性差分编码的93 gbaud PAM传输,该编码方案实现了较低的Kullback-Leibler散度和较高的NGMI。
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