Multi-dimensional Joint Probabilistic and Geometric Shaping Strategies for Nonlinear Fiber Communications

2019/11/05 by Yankov, Metodi P.
#FOS: Electrical engineering #FOS: Mathematics #Optimization and Control (math.OC) #Signal Processing (eess.SP) #electronic engineering #information engineering

paper · doi:10.48550/arxiv.1911.01908

Abstract

Constellation shaping is reviewed and revised for a WDM unrepeated system with high spectral efficiency. It is shown that for a constellation size-constrained system, previous optimization techniques can be highly sub-optimal, and a superior optimization algorithm is proposed.

Related

• On the Performance of Multidimensional Constellation Shaping for Linear and Nonlinear Optical Fiber Channel
• Geometric Constellation Shaping for Fiber Optic Communication Systems via End-to-end Learning
• Probabilistic Shaping for Nonlinearity Tolerance
• High-Cardinality Hybrid Shaping for 4D Modulation Formats in Optical Communications Optimized via End-to-End Learning
• Fiber Nonlinearity Mitigation by Short-Length Probabilistic Constellation Shaping for Pilot-Aided Signaling