Method and system for data transmission in a ring network
US6198721A · kind A · utility
26Cited by
6References
7Claims
0Family size
Inventor
Key dates
| Filing date | Feb 23, 1998 |
| Grant date | Mar 6, 2001 |
| Priority date | — |
| Expiry date | Feb 23, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04J14/0283
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A method and system for data transmission in a 2-fiber ring network having a plurality of network nodes wherein working signals are bidirectionally transmitted between terminal multiplexers and add/drop multiplexers on a part of the network and wherein protection signals are bidirectionally transmitted over the other part of the network; only one wavelength being required for one working connection and one appertaining protection connection.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.