Wavelength configuration method and apparatus for multi-wavelength passive optical network, and multi-wavelength passive optical network system
US9647791B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 13, 2014 |
| Grant date | May 9, 2017 |
| Priority date | — |
| Expiry date | Apr 4, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04J14/0282
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
The present application provides a wavelength configuration method for a multi-wavelength passive optical network, which includes: scanning, by an ONU, a downstream receiving wavelength, and receiving, downstream wavelength information of each downstream wavelength channel that is broadcast by an OLT separately through each downstream wavelength channel of a multi-wavelength PON system; establishing, by the ONU, a downstream receiving wavelength mapping table, where an entry of the downstream receiving wavelength mapping table includes downstream receiving wavelength information, drive current information of a downstream optical receiver and receiving optical physical parameter information of the ONU; selecting, by the ONU, one downstream wavelength from the downstream wavelength information broadcast by the OLT, and setting, according to the drive current information of the downstream optical receiver recorded in a related entry of the downstream receiving wavelength mapping table, an operating wavelength of the downstream optical receiver to the selected downstream wavelength.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.