公开(公告)号：US11424797B2

公开(公告)日：2022-08-23

申请号：US17406772

申请日：2021-08-19

Applicant: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.

Inventor： Mingju Li

IPC: H04L5/12 ,  H04B7/06 ,  H04B7/08 ,  H04W72/04

Abstract: Disclosed are a data transmission method and apparatus. The method includes: receiving, by a terminal, a media access control (MAC) signaling sent by a base station; receiving, by the terminal, downlink control information (DCI) sent by the base station; searching for a preset mapping relationship by the terminal; determining, by the terminal, a target beam used by the target antenna panel to transmit data according to the target beam indication information corresponding to the target antenna panel; and transmitting data by the terminal with the base station via the target beam corresponding to the target antenna panel.