Ranging method and communication method for optical network, OLT, ONU, and optical network system
US11425474B2 · kind B2 · utility
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9Claims
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Key dates
| Filing date | Sep 24, 2019 |
| Grant date | Aug 23, 2022 |
| Priority date | — |
| Expiry date | Sep 24, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04Q2011/0086
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Provided are a ranging method and a communication method for an optical network, an Optical Line Terminal (OLT), an Optical Network Unit (ONU), and an optical network system. The OLT sends a broadcast message to the ONU, the broadcast message being used to indicate an uplink bandwidth allocated to the ONU. The OLT opens a quiet window for the ONU in a predetermined region. The OLT receives an uplink signal sent by the ONU at the quiet window.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.