公开(公告)号：US12028118B2

公开(公告)日：2024-07-02

申请号：US17682861

申请日：2022-02-28

Applicant: Huawei Technologies Co., Ltd.

Inventor： Wei Chen ,  Min Chen ,  Kan Li ,  Fang Chen ,  Dezheng Liu

IPC: H04B17/00 ,  H04B17/11 ,  H04B17/21

CPC classification number: H04B17/11 ,  H04B17/21

Abstract: This application provides an antenna calibration apparatus and an antenna calibration method. The antenna calibration apparatus includes: l antennas; l antenna filters, where first ends of the l antenna filters are respectively connected to the l antennas; l radio frequency links, respectively connected to second ends of the l antenna filters; and a calibration circuit, connected to each of the second ends of the l antenna filters, and configured to: send or receive a first calibration signal through a position between each antenna filter in the l antenna filters and a radio frequency link connected to the second end of each antenna filter; and calibrate each antenna based on the first calibration signal.