Transmission quality estimation system, transmission quality estimation device, and transmission quality estimation method
US10686520B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 22, 2016 |
| Grant date | Jun 16, 2020 |
| Priority date | — |
| Expiry date | Nov 22, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04J14/0283
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A transmission quality estimation system includes, three or more nodes and a transmission quality estimation device configured to estimate, transmission quality. A multi-core fiber having a plurality of cores, the multi-core fiber being used in at least a partial segment of a connection between the nodes. A node of the nodes includes a core connection unit configured to drop, add or relay light transmitted from, to or to each of to the plurality of cores of the multi-core fiber. The transmission quality estimation device includes an estimation unit configured to estimate transmission quality between the nodes on the basis of a transmission quality measurement light dropped by the core connection unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.