System and apparatus for detecting and locating external aggression on an undersea cable
US10873390B1 · kind B1 · utility
0Cited by
4References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 6, 2019 |
| Grant date | Dec 22, 2020 |
| Priority date | — |
| Expiry date | Jun 6, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B10/0791
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A novel system and apparatus for detecting and locating an external aggression on at least one optical cable of an optical communication system is provided. For example, a signal from a transmitter may be received and analysis may be performed to recover a state-of-polarization (SOP) associated with the signal. A first rapid polarization change that occurs may be identified, which may indicate that an external aggression has occurred on the at least one optical cable. A time offset between the first rapid polarization change and a second rapid polarization change may be used to estimate a location of the external aggression.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.