LDPC Coded PAM-4/8 Transmission in Fiber-FSO Link Using Unipolar Probability Distribution and Pre-distortion

Rui Zhang; Chin-Wei Hsu; Xizi Tang; Qi Zhou; Gee-Kung Chang

doi:10.1364/OFC.2021.Th5E.5

Optical Fiber Communication Conference (OFC) 2021
OSA Technical Digest (Optica Publishing Group, 2021),
paper Th5E.5
•https://doi.org/10.1364/OFC.2021.Th5E.5

LDPC Coded PAM-4/8 Transmission in Fiber-FSO Link Using Unipolar Probability Distribution and Pre-distortion

Rui Zhang, Chin-Wei Hsu, Xizi Tang, Qi Zhou, and Gee-Kung Chang

Optical Fiber Communication Conference 2021

Washington, DC United States
6–11 June 2021
ISBN: 978-1-943580-86-6

From the session
Optical-wireless Converged Transmission Systems (Th5E)

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R. Zhang, C. Hsu, X. Tang, Q. Zhou, and G. Chang, "LDPC Coded PAM-4/8 Transmission in Fiber-FSO Link Using Unipolar Probability Distribution and Pre-distortion," in Optical Fiber Communication Conference (OFC) 2021, P. Dong, J. Kani, C. Xie, R. Casellas, C. Cole, and M. Li, eds., OSA Technical Digest (Optica Publishing Group, 2021), paper Th5E.5.

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Abstract

We experimentally demonstrated LDPC coded PAM transmission with unipolar distribution and pre-distortion in a fiber-FSO hybrid link with the parity bits inserted in the LSB. Different schemes are experimentally compared with up to 2.1-dB sensitivity improvement.

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