Numerical Study On The Combination Of Probabilistic Shaping And Digital Resolution Enhancer For High Baud Rate Optical Communications

Mahmood Abu-Romoh,Tu Thanh Nguyen,Yaron Yoffe,Ian D. Phillips,Wladek Forysiak

2020 EUROPEAN CONFERENCE ON OPTICAL COMMUNICATIONS (ECOC)（2021）

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摘要

We present a numerical study of probabilistic constellation shaping gains in low resolution digital to analogue converters based transceivers, which utilise digital resolution enhancement. A signal to noise ratio gain of 0,75dB for optimized probabilistic shaping factors is achievable.

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关键词

high baud rate optical communications,numerical study,probabilistic constellation,digital resolution enhancement,noise ratio gain,optimized probabilistic shaping factors,digital resolution enhancer,noise figure 0.75 dB

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