Patent · US Active

Echo cancellation method and transceiver

US12143146B2 · kind B2 · utility

0Cited by
4References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 15, 2022
Grant dateNov 12, 2024
Priority date
Expiry dateJan 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.