Method and apparatus for determining a rogue ONU in a PON
US9992561B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 3, 2015 |
| Grant date | Jun 5, 2018 |
| Priority date | — |
| Expiry date | Aug 3, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04Q2011/0083
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
The present invention provides a method and apparatus for determining a rogue ONU in an OLT of a PON. The method comprises determining an original infected zone based on a first time slot allocation in which each time slot corresponds to one uplink signal of an ONU; determining a new infected zone based on a second time slot allocation in which each time slot corresponds to an uplink signal of an ONU; determining if there is a same ONU in the original infected zone and in the new infected zone to determine rogue ONU candidate, and determining a rogue ONU based on the rogue ONU candidate. The solution disclosed in the present application has the advantages of quick determination of the rogue ONU, no interruption of the normal service and system compatibility etc.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.