公开(公告)号：US20200052772A1

公开(公告)日：2020-02-13

申请号：US16657094

申请日：2019-10-18

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Tao WU ,  Teyan CHU

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

Abstract: This application provides a data transmission method and network device. The method includes: receiving first feedback information that is sent by each terminal and that includes a first antenna mode of the terminal; categorizing the at least two terminals into M groups based on the first antenna mode of each terminal; sending, by the network device, a second training frame to each terminal in each group, receiving second feedback information that is sent by each terminal in each group and that includes a second antenna mode of the terminal; regrouping, by the network device, the terminals in each group based on the second antenna mode of each terminal in the group, and determining an antenna mode of each group obtained through the regrouping; and sending, by the network device, first downlink data to each terminal based on the antenna mode of each group, where the first downlink data includes a superposition of first data of all the terminals in the group.