Probabilistic Amplitude Shaping with Hard Decision Decoding and Staircase Codes
Artikel i vetenskaplig tidskrift, 2018

We consider probabilistic amplitude shaping (PAS) as a means of increasing the spectral efficiency of fiber-optic communication systems. In contrast to previous works in the literature, we consider probabilistic shaping with hard decision decoding (HDD). In particular, we apply the PAS recently introduced by Böcherer et al. to a coded modulation (CM) scheme with bit-wise HDD that uses a staircase code as the forward error correction code. We show that the CM scheme with PAS and staircase codes yields significant gains in spectral efficiency with respect to the baseline scheme using a staircase code and a standard constellation with uniformly distributed signal points. Using a single staircase code, the proposed scheme achieves performance within 0.57–1.44 dB of the corresponding achievable information rate for a wide range of spectral efficiencies.

error correcting codes

signal shaping

Coded modulation

hard decision decoding

probabilistic shaping

staircase codes

optical networks


Alireza Sheikh

Chalmers, Elektroteknik

Alexandre Graell i Amat

Chalmers, Elektroteknik

Gianluigi Liva

Deutsches Zentrums für Luft- und Raumfahrt (DLR)

Fabian Roland Steiner

Technische Universität München

Journal of Lightwave Technology

0733-8724 (ISSN)

Vol. 36 9 1689-1697


C3SE (Chalmers Centre for Computational Science and Engineering)



Elektroteknik och elektronik



Mer information

Senast uppdaterat