Title :
Wavelength switching method combined with downstream queue monitoring per ONU for λ-tunable WDM/TDM-PON
Author :
Sugawa, Jun ; Odaka, Toshiyuki ; Toyoda, Hajime
Author_Institution :
Central Res. Lab., Hitachi Ltd., Hitachi, Japan
Abstract :
We propose a wavelength switching method combined with queue status monitoring per ONU to improve latency of λ-switching ONU while frame loss is prevented for λ-tunable WDM/TDM-PON. Latency degradation by λ-switching of less than 4.1 ms was achieved.
Keywords :
optical switches; passive optical networks; time division multiplexing; wavelength division multiplexing; λ-switching ONU; λ-tunable WDM-TDM-PON; downstream queue monitoring per ONU; frame loss; latency degradation; optical network unit; wavelength switching method; Logic gates; Monitoring; Optical network units; Optical switches; Passive optical networks; Wavelength division multiplexing;
Conference_Titel :
Optical Communication (ECOC), 2014 European Conference on
Conference_Location :
Cannes
DOI :
10.1109/ECOC.2014.6963870