Title :
DSP for high spectral efficiency 400G transmission
Author_Institution :
AT&T Labs.-Res., Middletown, NJ, USA
Abstract :
This paper presents an overview of several advanced digital signal processing (DSP)enabled technologies recently demonstrated for high spectral efficiency (SE) 400Gb/s-class transmission, including the SE-adaptable time-domain hybrid QAM, transmitter-side digital spectral shaping, and training-assisted carrier phase recovery.
Keywords :
quadrature amplitude modulation; radio transmitters; signal processing; 400G transmission; DSP; SE-adaptable time-domain hybrid QAM; advanced digital signal processing; bit rate 400 Gbit/s; digital spectral shaping; high spectral efficiency; training-assisted carrier phase recovery; transmitter-side;
Conference_Titel :
Optical Communication (ECOC 2013), 39th European Conference and Exhibition on
Conference_Location :
London
Electronic_ISBN :
978-1-84919-759-5
DOI :
10.1049/cp.2013.1349