End-to-end Learning for GMI Optimized Geometric Constellation Shape

July 19, 2019 Β· Declared Dead Β· πŸ› European Conference on Optical Communication

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Authors Rasmus T. Jones, Metodi P. Yankov, Darko Zibar arXiv ID 1907.08535 Category cs.IT: Information Theory Cross-listed eess.SP, stat.ML Citations 61 Venue European Conference on Optical Communication Last Checked 5 months ago
Abstract
Autoencoder-based geometric shaping is proposed that includes optimizing bit mappings. Up to 0.2 bits/QAM symbol gain in GMI is achieved for a variety of data rates and in the presence of transceiver impairments. The gains can be harvested with standard binary FEC at no cost w.r.t. conventional BICM.
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