Combined Probabilistic Shaping and Nyquist Pulse Shaping for PAM8 Signal Transmission in WDM Systems

Xiao Han,Mingwei Yang,Ivan B. Djordjevic,Yang Yue,Qiang Wang,Zhen Qu,Jon Anderson

Combined Probabilistic Shaping and Nyquist Pulse Shaping for PAM8 Signal Transmission in WDM Systems

2019

Xiao Han
Mingwei Yang
Ivan B. Djordjevic
Yang Yue
Qiang Wang
Zhen Qu
Jon Anderson

We use the LDPC-coded probabilistically shaped PAM8 signaling combined with Nyquist pulse shaping to improve the transmission performance in a WDM system. We find that the combination of these shaping schemes offers great performance improvement. © 2019 The Author(s)

Keywords:

Pulse shaping
Probabilistic logic
Physics
Nyquist–Shannon sampling theorem
Optics
Electronic engineering
Transmission (telecommunications)
Wavelength-division multiplexing
Signal processing
Passive optical network
Performance improvement

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