Title :
Energy-efficient dynamic wavelength and bandwidth allocation algorithm for TWDM-PONs with tunable VCSEL ONUs
Author :
Dias, M. Pubuduni Imali ; Dung Pham Van ; Valcarenghi, L. ; Wong, Elaine
Author_Institution :
NICTA VRL, Melbourne, VIC, Australia
Abstract :
A dynamic wavelength and bandwidth allocation algorithm using tunable 10G-SC-VCSEL ONUs is proposed for TWDM-PONs. The algorithm optimizes the number of active wavelengths under a given delay constraint and incorporates sleep and doze operations for improved energy-efficiency.
Keywords :
laser cavity resonators; laser tuning; passive optical networks; surface emitting lasers; time division multiplexing; wavelength division multiplexing; TWDM-PON; active wavelengths; bandwidth allocation algorithm; delay constraint; doze operations; energy-efficient dynamic wavelength; sleep operations; tunable VCSEL ONU; Bandwidth; Delays; Energy efficiency; Heuristic algorithms; Optical network units; Sleep; Vertical cavity surface emitting lasers;
Conference_Titel :
Optical Fibre Technology, 2014 OptoElectronics and Communication Conference and Australian Conference on
Conference_Location :
Melbourne, VIC
