公开(公告)号：US20200343961A1

公开(公告)日：2020-10-29

申请号：US16960551

申请日：2018-12-19

Applicant: China Academy of Telecommunications Technology

Inventor： Deshan MIAO ,  Giubin GAO ,  Runhua CHEN ,  Tamrakar Rakesh

IPC: H04B7/06

Abstract: Disclosed are an information transmission method and device for improving CSI feedback performance and providing finer CSI feedback. The information transmission method of the present invention comprises: determining a quantity of layers transmitted on a channel; and determining, according to the quantity of the layers transmitted on the channel, channel state information (CSI) fed back for the respective layers, and transmitting the same, and the CSI fed back for the respective layers comprises information about multi-level beams.