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Numerical simulation platform to evaluate the performances of a 480 Gb/s optical coherent communication system using different advanced technologies deployed in optical networks, including MIMO equalization techniques.

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SagiSHTN/480-Gbps-Optical-Communication-System

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Description

Numerical simulation platform to evaluate the performances of a 480 Gb/s optical coherent communication system using different advanced technologies deployed in optical networks, including MIMO equalization techniques.

Owners

Sagi Shtainman - Linkedin https://www.linkedin.com/in/sagi-shtainman

Sagi Radiano - Linkedin https://www.linkedin.com/in/sagi-radiano

Installation

Unzip and Drag all Matlab files to the same path and run 'DP16QAM_Optic_Main'.

In order to get the code you need to ask permission.

Change in the system parameters will lead to different results.

Usage

Please read the notes written in the matlab codes.

Contributing

N/A

Optical Channel Model

The Optic Channel was divided to 50 sections in order to simulate the Maxwellian distribution effect of the PMD

System and Results

System Diagram:

The X&Y polarizations after the CDC component marked as a 1 line for esthetics only

Results:

16QAM Constellation

16QAM Constellation with Optical Channel Distorions and the CMA and RDE Equalization

16QAM Constellation with Optical Channel Distorions and the LMS Equalization

References

[1] S. J. Savory, “Digital filters for coherent optical receivers,” Optics Express, vol. 16, no. 2, p. 804, 2008.

[2] S. Ten, M. Edwards, “Introduction: Importance of PMD for High Data Rate Transmission Systems,” pp. 1–12, 2006.

[3] M. S. Faruk and S. J. Savory, “Digital Signal Processing for Coherent Transceivers Employing Multilevel Formats,” Journal of Lightwave Technology, vol. 35, no. 5, pp. 1125–1141, 2017.

[4] D. Lavery, M. Paskov, R. Maher, S. J. Savory, and P. Bayvel, “Modified Radius Directed Equaliser for High Order QAM.”,2015.

[5] K. Kikuchi, “Fundamentals of coherent optical fiber communications,” Journal of Lightwave Technology, vol. 34, no. 1. Institute of Electrical and Electronics Engineers Inc., pp. 157–179, 01-Jan-2016.

[6] T. Fehenberger, N. Hanik, T. A. Eriksson, P. Johannisson, and M. Karlsson, “On the impact of carrier phase estimation on phase correlations in coherent fiber transmission,” 2015 Tyrrhenian Int. Work. Digit. Commun. TIWDC 2015, pp. 35–38, 2015.

[7] I. Fatadin, D. Ives, and S. J. Savory, “Blind equalization and carrier phase recovery in a 16-QAM optical coherent system,” J. Light. Technol., vol. 27, no. 15, pp. 3042–3049, 2009.

[8] O. Zia-Chahabi, R. Le Bidan, M. Morvan, and C. Laot, “Efficient frequency-domain implementation of block-LMS/CMA fractionally spaced equalization for coherent optical communications,” IEEE Photonics Technol. Lett., vol. 23, no. 22, pp. 1697–1699, 2011.

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Numerical simulation platform to evaluate the performances of a 480 Gb/s optical coherent communication system using different advanced technologies deployed in optical networks, including MIMO equalization techniques.

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