Probabilistic Shaping and Non-Binary Codes
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© 2017 IEEE. We generalize probabilistic amplitude shaping (PAS) with binary codes  to the case of non-binary codes defined over prime finite fields. Firstly, we introduce probabilistic shaping via time sharing where shaping applies to information symbols only. Then, we design circular quadrature amplitude modulations (CQAM) that allow to directly generalize PAS to prime finite fields with full shaping.
author list (cited authors)
Boutros, J. J., Jardel, F., & Méasson, C.