公开(公告)号：US11812434B2

公开(公告)日：2023-11-07

申请号：US17000823

申请日：2020-08-24

Applicant: Huawei Technologies Co., Ltd.

Inventor： Qufang Huang ,  Yuanjie Li ,  Qinghai Zeng

IPC: H04W72/21 ,  H04L5/00 ,  H04L1/1867 ,  H04B7/06 ,  H04L1/08

CPC classification number: H04W72/21 ,  H04B7/063 ,  H04B7/0626 ,  H04L1/1887 ,  H04L5/001 ,  H04L5/0032 ,  H04L5/0053 ,  H04L5/0057 ,  H04L5/0085 ,  H04L5/0096 ,  H04L1/08 ,  H04L5/0087 ,  H04L5/0098

Abstract: A method for reporting a channel status and a device, where the method includes: a terminal receiving configuration signaling for semi-persistent channel state information (CSI) reporting, wherein the configuration signaling comprises one or more reporting periods of CSI of N cells, wherein the N cells are used for data communication of the terminal, and wherein N is an integer greater than or equal to 1; the terminal receiving channel status request signaling, wherein the channel status request signaling indicates to the terminal to report the CSI of the N cells; and the terminal transmitting, according to the one or more reporting periods, the CSI of the N cells.

公开(公告)号：US11757497B2

公开(公告)日：2023-09-12

申请号：US17529575

申请日：2021-11-18

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Haibao Ren ,  Yi Huang ,  Yuanjie Li

IPC: H04B7/0456 ,  H04B7/06 ,  H04W72/0453 ,  H04W72/23

CPC classification number: H04B7/0456 ,  H04B7/0639 ,  H04W72/0453 ,  H04W72/23

Abstract: This application provides a transmission precoding matrix indication method and a device. The method includes: determining a bit quantity of a transmission precoding matrix indicator field corresponding to a subband scheduled for uplink based on downlink control information received from a network device, where the bit quantity of the transmission precoding matrix indicator field corresponding to the subband is related to a quantity of subbands corresponding to the resource scheduled for uplink; and further, determining an uplink transmission precoding matrix corresponding to the subband based on the bit quantity of the transmission precoding matrix indicator field corresponding to the subband and the uplink transmission layer quantity. A transmission precoding matrix indicator field can be effectively used, and control channel resource utilization is improved.

公开(公告)号：US11671197B2

公开(公告)日：2023-06-06

申请号：US17235512

申请日：2021-04-20

Applicant: Huawei Technologies Co., Ltd.

Inventor： Ting Wang ,  Jinyao Liang ,  Shengyue Dou ,  Yuanjie Li

IPC: H04L1/06 ,  H04L1/00 ,  H04W76/27 ,  H04L5/00 ,  H04L27/26 ,  H04W80/02 ,  H04W72/23

CPC classification number: H04L1/0026 ,  H04L5/0051 ,  H04L5/0094 ,  H04L27/2607 ,  H04W72/23 ,  H04W76/27 ,  H04W80/02

Abstract: A method includes: generating, by a first network device, parameter information of a resource in which a channel state information CSI reference signal is located, where the parameter information is used by the second network device to determine one or more of the following information of the resource in which the CSI reference signal is located: subcarrier spacing information, cyclic prefix length information, frame structure time length information, and symbol quantity information; and sending, by the first network device, the parameter information to the second network device.

公开(公告)号：US11582013B2

公开(公告)日：2023-02-14

申请号：US17658393

申请日：2022-04-07

Applicant: Huawei Technologies Co., Ltd.

Inventor： Ting Wang ,  Zhe Liu ,  Yuanjie Li ,  Hao Tang ,  Zhenfei Tang ,  Yi Wang ,  Hua Li ,  Yongzhao Cao

IPC: H04W4/00 ,  H04L5/00 ,  H04W72/04 ,  H04W72/0453 ,  H04L1/1607 ,  H04L27/26

Abstract: A method and an apparatus for determining an RBG size are provided. In the method, a network device or a terminal determines an RBG size set, where the RBG size set may include one or more possible RBG sizes; and determines a first RBG size included in the RBG size set. The network device allocates a resource to the terminal by using the determined first RBG size. The terminal determines, based on the determined first RBG size, the resource allocated by the network device to the terminal.

公开(公告)号：US11516785B2

公开(公告)日：2022-11-29

申请号：US16580323

申请日：2019-09-24

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Ting Wang ,  Jinyao Liang ,  Shengyue Dou ,  Yuanjie Li

IPC: H04W72/04 ,  H04W72/12 ,  H04L5/00

Abstract: Example channel transmission methods and apparatus are described. One example method includes determining search spaces of at least two downlink control channels by a first network device. The first network device separately determines in the search spaces resources occupied by the at least two downlink control channels. Resource scheduled by the at least two downlink control channels belong to one carrier. The first network device obtains the at least two downlink control channels by using the resources. With the embodiments of the present invention, data on one carrier can be scheduled through a plurality of downlink control channels.

公开(公告)号：US11444731B2

公开(公告)日：2022-09-13

申请号：US16678298

申请日：2019-11-08

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Shengyue Dou ,  Ting Wang ,  Yuanjie Li

IPC: H04W72/04 ,  H04L5/00

Abstract: The present disclosure relates to transmission methods, terminals, and network devices. One example method includes receiving, by a terminal, a plurality of pieces of downlink control information (DCI), where the DCI includes at least first trigger information that is in a one-to-one correspondence with the DCI, and the first trigger information is used to indicate, to the terminal, at least one of a resource used by a first reference signal or sending processing of the first reference signal, determining, by the terminal, target first trigger information from a plurality of pieces of first trigger information, and performing, by the terminal and based on the target first trigger information, sending processing on the first reference signal.

公开(公告)号：US11418271B2

公开(公告)日：2022-08-16

申请号：US16271026

申请日：2019-02-08

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Na Deng ,  Ting Wang ,  Haibao Ren ,  Yuanjie Li

IPC: H04B7/06 ,  H04L5/00 ,  H04B7/022 ,  H04B7/024 ,  H04B7/0456 ,  H04W24/10 ,  H04B7/04 ,  H04B17/382

Abstract: A method for measuring and feeding back channel state information and a device is provided. The method includes: sending, by a first network side device, channel state information (CSI) measurement configuration information to user equipment, where the CSI measurement configuration information includes coordination indication information indicating that the first network side device and at least one second network side device are in a coordination relationship, receiving, by the user equipment, the CSI measurement configuration information from the first network side device, performing measurement based on the CSI measurement configuration information, and feeding back at least one group of CSI to the first network side device based on the measurement configuration information. Accuracy of fed back content and further facilitating scheduling of a base station is improved.

公开(公告)号：US11356233B2

公开(公告)日：2022-06-07

申请号：US16786129

申请日：2020-02-10

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Shengyue Dou ,  Ting Wang ,  Yi Huang ,  Yuanjie Li

IPC: H04L5/10 ,  H04L5/00 ,  H04W72/04 ,  H04W72/12

Abstract: This application provides an information transmission method and a communications apparatus. The method includes: receiving downlink control information DCI, where the DCI includes indication information, the indication information indicates at least one demodulation reference signal DMRS antenna port group and layer information of downlink data, the at least one DMRS antenna port group is one or more of a plurality of DMRS antenna port groups, and DMRS antenna ports in a same DMRS antenna port group satisfy a quasi co-location QCL relationship; and determining, based on the indication information, a DMRS antenna port occupied by the downlink data. According to embodiments of this application, a DMRS antenna port can be indicated when DMRS antenna ports are grouped.

公开(公告)号：US11296755B2

公开(公告)日：2022-04-05

申请号：US17033167

申请日：2020-09-25

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yi Huang ,  Huangping Jin ,  Huiying Zhu ,  Yuanjie Li ,  Xiaoyan Bi

IPC: H04B7/04 ,  H04B7/0456

Abstract: This application provides a communication method and a communications apparatus. The method includes: generating, by a terminal device, first indication information, where the first indication information is used to indicate a precoding matrix, the precoding matrix is applied to at least one antenna panel and includes at least one precoding vector, each precoding vector includes a plurality of subvectors, each subvector corresponds to an antenna port on the antenna panel and includes two polarization vectors, and each polarization vector is generated by performing weighted combination on a plurality of basis vectors; and sending the first indication information. In embodiments of this application, accuracy of a codebook can be improved.

公开(公告)号：US11283503B2

公开(公告)日：2022-03-22

申请号：US16716158

申请日：2019-12-16

Applicant: Huawei Technologies Co., Ltd.

Inventor： Ting Wang ,  Liuliu Ji ,  Shengyue Dou ,  Jinyao Liang ,  Yuanjie Li

IPC: H04B7/06 ,  H04W72/04 ,  H04W72/12 ,  H04W88/06

Abstract: This application provides a communication method, a terminal device, and a network device. The method includes the steps of: receiving, by the terminal device, configuration information, where the configuration information is used to instruct the terminal device to jointly report channel state information (CSI) for at least two groups of channel state information-reference signal (CSI-RS) resources; receiving, by the terminal device, CSI-RSs carried on the at least two groups of CSI-RS resources; and jointly reporting, by the terminal device, CSI based on a result of measuring the CSI-RSs carried on the at least two groups of CSI-RS resources. According to embodiments of this application, transmission performance can be improved.