We reveal a neural network can be exploited for multivariate symbol decision simply by feeding multiple signal features as its inputs. The concept is verified in a digital coherent receiver which detects dual-polarization 25-GBaud directly-modulated PAM-4 signals.
© 2020 The Author(s)
You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.
Contact your librarian or system administrator
Login to access OSA Member Subscription