公开(公告)号：US20230232390A1

公开(公告)日：2023-07-20

申请号：US18006568

申请日：2021-07-21

Applicant: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.

Inventor： Hui LI ,  Runhua CHEN ,  Qiubin GAO ,  Yajuan LUO

IPC: H04W72/044 ,  H04W72/23

CPC classification number: H04W72/046 ,  H04W72/23

Abstract: A beam indication method, a beam indication apparatus, a terminal and a network side device are provided. When the method is applied to a terminal side, the method includes: receiving by the terminal an indication message configured to indicate a first beam direction for transmitting a first object, where the first beam direction is the same as or different from a second beam direction used by the terminal for transmitting a second object, the first object and the second object are one of a channel and a reference signal, and the first beam direction is a direction indicated by a TCI state in a preconfigured TCI state set; and transmitting by the terminal the first object according to the first beam direction.

公开(公告)号：US20230199696A1

公开(公告)日：2023-06-22

申请号：US17924674

申请日：2021-04-14

Applicant: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.

Inventor： Bin REN ,  Xiaotao REN ,  Ren DA ,  Hui LI ,  Gang LI ,  Zheng ZHAO ,  Zhenyu ZHANG ,  Rongyi FANG

IPC: H04W64/00 ,  H04W74/08

CPC classification number: H04W64/00 ,  H04W74/0825

Abstract: A collision processing method, indication method, device, apparatus and medium are disclosed. The collision processing method includes: obtaining, by user equipment, a downlink positioning reference signal (PRS) type and collision determination information, the collision determination information being one of or a combination of following information: content carried by a downlink signal/channel, first indication information, second indication information, and third indication information; wherein the downlink PRS type is aperiodic PRS or semi-persistent PRS, the first indication information is used for indicating a positioning latency requirement, the second indication information is used for indicating priority levels of the downlink signals/channels, and the third indication information is used for indicating priority levels of the first and second indication information; and choosing, according to the downlink PRS type and collision determination information, to discard either a downlink PRS or other downlink signals/channels in an orthogonal frequency division multiplexing symbol where a collision occurs.

公开(公告)号：US20230075037A1

公开(公告)日：2023-03-09

申请号：US17794253

申请日：2021-02-09

Applicant: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.

Inventor： Zhengxuan LIU ,  Qiubin GAO ,  Hui LI

IPC: H04B7/06 ,  H04L5/00

Abstract: Provided are a method and a device for channel state information, terminal, and network side, and a storage medium. The method includes: receiving beamformed CSI-RSs, or the beamformed CSI-RSs and frequency domain basis vector indication information transmitted by a network side by means of antenna ports, where beams used in beamforming are determined based on spatial domain basis vectors or based on the spatial domain basis vectors and frequency domain basis vectors, and the spatial domain basis vectors and the frequency domain basis vectors are determined based on an uplink channel; determining port indication information and a port combination coefficient for data transmission based on the beamformed CSI-RS or the beamformed CSI-RS and the frequency domain basis vector indication information; and feeding back the port indication information and port combination coefficient to the network side for determining precoding of downlink transmission data at the network side.

公开(公告)号：US20220116093A1

公开(公告)日：2022-04-14

申请号：US17427863

申请日：2020-01-14

Applicant: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.

Inventor： Zhengxuan LIU ,  Hui LI ,  Qiubin GAO ,  Runhua CHEN

IPC: H04B7/06

Abstract: The present disclosure provides a channel state information reporting method, a channel state information receiving method, a terminal, and a network side device. The reporting method includes: receiving codebook parameter information sent by a network side device; determining an enhanced Type II codebook structure according to the codebook parameter information; determining non-zero coefficient indication information according to the enhanced Type II codebook structure, the non-zero coefficient indication information is used to indicate non-zero coefficient related information in a combined coefficient matrix in the enhanced Type II codebook structure; sending the non-zero coefficient indication information to the network side device.

公开(公告)号：US20220085858A1

公开(公告)日：2022-03-17

申请号：US17421723

申请日：2019-12-25

Applicant: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO.,LTD.

Inventor： Hui LI ,  Qiubin GAO ,  Runhua CHEN

IPC: H04B7/06

Abstract: Disclosed are a codebook constraint and codebook parameter determination method and apparatus, and same are used for preventing the generation of a beam with an orientation bringing about interference, and to prevent interference. The codebook constraint method includes determining codebook sub-set constraint indication information for indicating that one or more beam groups in a candidate combination beam set are constrained and coefficients in a first coefficient set corresponding to each beam of the beam groups are constrained, and sending the codebook sub-set constraint indication information to a terminal.

公开(公告)号：US20210273708A1

公开(公告)日：2021-09-02

申请号：US16973056

申请日：2019-05-30

Applicant: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.

Inventor： Hui LI ,  Qiubin GAO ,  Tamrakar RAKESH ,  Runhua CHEN

IPC: H04B7/06 ,  H04B7/0452 ,  H04B7/0456

Abstract: Disclosed are a method and device for feeding back channel state information, and a method and device for determining a pre-coding matrix. In the present application, a terminal determines N orthogonal vector groups, one of the orthogonal vector groups being used for constructing pre-coding corresponding to M layers in a pre-coding matrix; the terminal determines, according to beams in the N orthogonal vector groups, linear combination coefficients for constructing the pre-coding matrix, the linear combination coefficients comprising linear combination coefficients corresponding to the layers in the pre-coding matrix; the terminal feeds back channel state information to a base station, the channel state information comprising indication information of the N orthogonal vector groups and linear combination coefficients, in the determined linear combination coefficients of the pre-coding matrix, corresponding to Y layers, wherein Y is less than or equal to the number of layers of the pre-coding matrix.