Title :
High spectral efficiency for long-haul optical links: Time-frequency packing vs high-order constellations
Author :
Colavolpe, Giulio ; Foggi, T.
Author_Institution :
Dipt. di Ing. dell´Inf., Univ. of Parma, Parma, Italy
Abstract :
We investigate the time-frequency packing technique on long-haul optical links in order to increase the spectral efficiency. This solution is compared to high-order formats at equal bit or baud rate, demonstrating that higher spectral efficiency can be more effectively reached.
Keywords :
optical fibre networks; optical links; time-frequency analysis; baud rate; bit rate; high-order constellations; long-haul optical links; optical networks; spectral efficiency; time-frequency packing technique;
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.2013.1621
