Title :
Spectrum, cost and energy efficiency in fixed-grid and flex-grid networks
Author :
Angelou, M. ; Christodoulopoulos, K. ; Klonidis, Dimitrios ; Klekamp, Axel ; Buchali, Fred ; Varvarigos, E. ; Tomkos, Ioannis
Author_Institution :
Athens Inf. Technol. Center, Athens, Greece
Abstract :
Single and multi-carrier networks offering channel rates up to 400Gb/s are evaluated under realistic reach parameters. It is found that efficient spectrum utilization and fine bit-rate granularity are essential to achieve cost and energy efficiency.
Keywords :
bandwidth allocation; energy conservation; next generation networks; optical communication equipment; optical fibre networks; bit rate 400 Gbit/s; bit rate granularity; cost efficiency; energy efficiency; fixed grid networks; flex grid networks; multicarrier networks; spectrum efficiency; Digital signal processing; Energy efficiency; OFDM; Power demand; Resource management; Telecommunication traffic; Transponders;
Conference_Titel :
Optical Fiber Communication Conference and Exposition (OFC/NFOEC), 2012 and the National Fiber Optic Engineers Conference
Conference_Location :
Los Angeles, CA
Print_ISBN :
978-1-4673-0262-3
