We implement a 1-Tb/s 0.63-pJ/bit soft-assisted product decoder in a 28-nm technology. The decoder uses one bit of soft information to improve its net coding gain by 0.2 dB, reaching 10.3-10.4 dB, which is similar to that of more complex hard-decision staircase decoders.
@article{arxiv.1810.12054,
title = {Energy-Efficient Soft-Assisted Product Decoders},
author = {Christoffer Fougstedt and Alireza Sheikh and Alexandre Graell i Amat and Gianluigi Liva and Per Larsson-Edefors},
journal= {arXiv preprint arXiv:1810.12054},
year = {2018}
}