End-to-end Learning for GMI Optimized Geometric Constellation Shape
2019-07-19Code Available0· sign in to hype
Rasmus T. Jones, Metodi P. Yankov, Darko Zibar
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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.