Performance Analysis of a 200 Gb/s PAM-4 PAM-8 WDM-PON
Performance Analysis of a 200 Gb/s PAM-4 PAM-8 WDM-PON
|© 2023 by IJETT Journal|
|Year of Publication : 2023|
|Author : Javier Martinez-Curipoma, Germán V. Arévalo
|DOI : 10.14445/22315381/IJETT-V71I2P238|
How to Cite?
Javier Martinez-Curipoma, Germán V. Arévalo, "Performance Analysis of a 200 Gb/s PAM-4 PAM-8 WDM-PON," International Journal of Engineering Trends and Technology, vol. 71, no. 2, pp. 362-370, 2023. Crossref, https://doi.org/10.14445/22315381/IJETT-V71I2P238
Passive Optical Networks allow more and more homes and enterprises to use optic fiber as the transmission medium for access to High-Speed Internet. These kinds of networks are limited by length and data rate due to distortion, noise, and attenuation when light propagates over optic fiber. In this investigation, a simulation of a 200 Gb/s (4x50 Gb/s) WDMPON with PAM4 and PAM8 modulation without predistortion is performed; it permits transporting more bits over the same bandwidth, increasing spectral efficiency. A scenario was implemented in Optsim® in co-simulation with Matlab® software, and compare the performance over 50%, 60%, 70% and 100% of the necessary bandwidth photodetector. Data was transmitted over a 20 km link, with dispersion compensation with a G.652D standard single-mode fiber. Results show that using PAM-4 against PAM-8 improves 8 dB for objective BER=10-3 as the maximum value to implement FEC in the receptors.
WDM, Pon, Pulse amplitude modulation, Pam-4, Pam-8.
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