FTTH RF over glass (RFoG) architecture and CPE with wavelength separator
US8917991B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 13, 2009 |
| Grant date | Dec 23, 2014 |
| Priority date | — |
| Expiry date | Jan 24, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04Q11/0067
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In fiber-to-the-home (FTTH) RF over Glass (RFoG) Architecture a customer-premise-equipment (CPE) includes a wavelength separator. A method includes up-converting a baseband upstream data signal to a frequency band above a frequency band of a baseband downstream data signal; combining the up-converted upstream data signal with an upstream cable return signal; transmitting the up-converted upstream data signal and the upstream cable return signal using a single upstream laser; and separating, with a wavelength separator, A) a downstream data signal and a downstream cable feed signal from B) the combined up-converted upstream data signal and upstream cable return signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.