Rate Adaptive Geometric Constellation Shaping Using Autoencoders and Many-To-One Mapping

Darko Zibar; Francesco Da Ros; Metodi P. Yankov; Ognjen Jovanovic

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arxiv 2307.09897 v1 pith:DXMXIGLP submitted 2023-07-19 eess.SP

Rate Adaptive Geometric Constellation Shaping Using Autoencoders and Many-To-One Mapping

Metodi P. Yankov , Ognjen Jovanovic , Darko Zibar , Francesco Da Ros This is my paper

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keywords constellationfixedgeometricmany-to-onemappingrateshapingadaptation

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A many-to-one mapping geometric constellation shaping scheme is proposed with a fixed modulation format, fixed FEC engine and rate adaptation with an arbitrarily small step. An autoencoder is used to optimize the labelings and constellation points' positions.

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