An improved dynamic wavelength assignment in statistical UDWDM-PONs
Document typeConference report
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Rights accessRestricted access - publisher's policy
Dynamic wavelength assignment (DWA) is investigated for managing ultra-dense wavelength division multiplexing-passive optical networks (UDWDM-PONs). The optical network units (ONUs) own lasers under limited thermal tunability and their wavelengths have random distribution in a band. ONU and optical line terminal (OLT) architectures with coherent transceivers are proposed, providing a spectral efficiency suitable for a high capacity PON with large number of users and long-reach approach. In activation processes, ONU acceptances up to 99.99% are obtained with a DWA technique. Under standard environmental conditions, the DWA method is combined with guard bands and then ONU blocking probabilities below 0.1% and availability ratios up to 99.99% are achieved.
CitationSales, V., Segarra, J., Prat, J. An improved dynamic wavelength assignment in statistical UDWDM-PONs. A: International Conference on Optical Network Design and Modeling. "ONDM 2015: 19th International Conference on Optical Networking Design and Modeling: Pisa, Italy: May 11-14, 2015: proceedings book". Pisa: Institute of Electrical and Electronics Engineers (IEEE), 2015, p. 22-27.