Echo cancellation method and transceiver
US12143146B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 15, 2022 |
| Grant date | Nov 12, 2024 |
| Priority date | — |
| Expiry date | Jan 11, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B7/015
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An echo cancellation method and a transceiver to reduce dependence of a system on an enob of a DAC, and improve performance of echo cancellation. The transceiver includes an echo cancellation apparatus, a transmit link, a receive link, and a hybrid circuit. The transmit link and the receive link are coupled to a transmission line by using the hybrid circuit. The echo cancellation apparatus includes a first signal converter, a slicer, a first subtractor, a second digital-to-analog converter, a second subtractor, and a third subtractor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.