Title :
Modulation order and code rate optimisation for digital coherent transceivers using generalised mutual information
Author :
Robert Maher;Alex Alvarado;Domanic Lavery;Polina Bayvel
Author_Institution :
Optical Networks Group, Department of Electronic &
Abstract :
We experimentally demonstrate that generalised mutual information can be used as a design rule to select the optimal modulation order and code rate for SNR limited DP-mQAM transceivers. FEC overheads between 9% and 194% are shown to maximise spectral efficiency.
Keywords :
"Signal to noise ratio","Transceivers","Optical polarization","Optical receivers","Quadrature amplitude modulation","Optical modulation"
Conference_Titel :
Optical Communication (ECOC), 2015 European Conference on
DOI :
10.1109/ECOC.2015.7341621