Forward baseband digitalization
US7706689B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 13, 2005 |
| Grant date | Apr 27, 2010 |
| Priority date | — |
| Expiry date | Oct 8, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04J14/05
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Methods and apparatus are described for forward baseband digitalization. A method includes receiving a forward baseband digital optical signal from an optical fiber; transforming the forward baseband digital optical signal to a forward analog electrical signal; transmitting the forward analog electrical signal on an electrical conductor; receiving a reverse analog electrical signal on the electrical conductor; transforming the reverse analog electrical signal to a reverse digital baseband optical signal; and transmitting the reverse digital baseband optical signal. An apparatus includes a forward baseband digital optical signal receiver; a forward circuit coupled to the forward baseband digital optical signal receiver, the forward circuit transforming a forward baseband digital optical signal to a forward analog electrical signal; a forward analog electrical signal transmitter coupled to the forward circuit; a reverse analog electrical signal receiver; a reverse circuit coupled to the reverse analog electrical signal receiver, the reverse circuit transforming a reverse analog electrical signal to a reverse digital baseband optical signal; and a reverse baseband digital transmitter …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.