公开(公告)号：US20230072440A1

公开(公告)日：2023-03-09

申请号：US17987393

申请日：2022-11-15

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jinshan WANG ,  Liming FANG ,  Yanbo ZHAO ,  Yanbin SUN ,  Jianfei LIU ,  Yumeng YANG ,  Chao WANG

IPC: H04B1/525 ,  H04B7/015 ,  H04B1/10

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.