公开(公告)号：US20240413875A1

公开(公告)日：2024-12-12

申请号：US18811790

申请日：2024-08-22

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Shuangkaisheng Bi ,  Hongli He ,  Xueru Li

IPC: H04B7/06 ,  H04B17/10 ,  H04W16/28

Abstract: A first device sends M times of reference signals to a second device in a first beam direction, where each of the M times of reference signals are simultaneously sent through two groups of transmit antennas, and M is greater than or equal to 2. The first device receives first information from the second device, where the first information indicates receive phase information of the M times of reference signals. The first device determines a second beam direction based on the first information, where the second beam direction is a beam direction in which the first device sends information to the second device or the first device receives information from the second device.