公开(公告)号：US20210273710A1

公开(公告)日：2021-09-02

申请号：US17325865

申请日：2021-05-20

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zhaohong SONG ,  Dagang ZHANG ,  Ji XIA

IPC: H04B7/06 ,  H04L5/00 ,  H04W72/04

Abstract: The present disclosure relates to methods for obtaining channel state information (CSI), apparatus, and computer storage medium. One example method includes allocating, by a network device to a terminal device according to a preset rule, a transmission resource for transmitting a sounding reference signal (SRS) in a cell to which the terminal device belongs. Transmission resources for transmitting SRSs in different cells do not overlap at all or partially overlap. The network device receives the SRS transmitted by the terminal device on the allocated transmission resource, and performs channel quality estimation based on the received SRS to obtain CSI.

公开(公告)号：US20200252807A1

公开(公告)日：2020-08-06

申请号：US16853879

申请日：2020-04-21

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Ran HAN ,  Ji XIA ,  Hongyan YU

IPC: H04W16/28 ,  H04W24/08 ,  H04W24/02

Abstract: A method includes: obtaining user equipment distribution information of a beam domain, where there are at least two beam domains, and the beam domain is a vertical area in a physically vertical dimension of a cell coverage area; determining information about a concentrated beam domain based on the user equipment distribution information, where the concentrated beam domain is a beam domain in which a quantity of covered user equipments exceeds a quantity threshold; and compared with information about a historical concentrated beam domain, if the information about the concentrated beam domain satisfies a preset condition, adjusting a broadcast beam domain based on the information about the concentrated beam domain, so that a main lobe direction of the broadcast beam domain is adjusted to a beam domain corresponding to the concentrated beam domain.