公开(公告)号：US11464020B2

公开(公告)日：2022-10-04

申请号：US16360324

申请日：2019-03-21

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yong Liu ,  Lu Rong ,  Xiaoyan Bi

IPC: H04W72/08 ,  H04W72/12 ,  H04W72/04 ,  H04L5/00 ,  H04B7/06 ,  H04B7/0456 ,  H04L27/26

Abstract: Embodiments of this application disclose a resource configuration method and a device. The method includes: generating, by a transmit end device, configuration information, where the configuration information is used to indicate at least one resource bundling size, the resource bundling size belongs to a resource bundling size set, and the resource bundling size set corresponds to at least one system configuration parameter; and sending, by the transmit end device, the configuration information.

公开(公告)号：US11411620B2

公开(公告)日：2022-08-09

申请号：US17176529

申请日：2021-02-16

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Huangping Jin ,  Xiaohan Wang ,  Haifan Yin ,  Peng Shang ,  Xiaoyan Bi

IPC: H04B7/04 ,  H04B7/0456

Abstract: This application provides methods and apparatuses for precoding vector indication and determination. One method includes: generating, by a first communications device, first indication information that indicates one or more port selection vectors, one or more frequency domain vectors, and one or more linear combination coefficients, wherein each of the one or more linear combination coefficients corresponds to a port selection vector and a frequency domain vector, each of the one or more port selection vectors indicates a port of a precoded reference signal, and each of the one or more frequency domain vectors indicates a variation pattern of a channel in a frequency domain; and sending the first indication information to a second communications device.

公开(公告)号：US11362707B2

公开(公告)日：2022-06-14

申请号：US17369513

申请日：2021-07-07

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Huangping Jin ,  Xiaohan Wang ,  Xiaoyan Bi

IPC: H04B7/02 ,  H04B7/0456

Abstract: The present disclosure relates to precoding vector indicating and determining methods and communications apparatus. In one example method, a terminal device generates first indication information, and sends the first indication information to a network device. The first indication information is used to indicate one or more frequency domain vectors and one or more weighting coefficients, where the one or more frequency domain vectors include a frequency domain vector reported for each of R frequency domain unit groups, the one or more weighting coefficients include a weighting coefficient reported for each of the R frequency domain unit groups, and a frequency domain vector and a weighting coefficient that are reported for an rth frequency domain unit group in the R frequency domain unit groups are used to construct a precoding vector corresponding to one or more frequency domain units in the rth frequency domain unit group.

公开(公告)号：US20220158797A1

公开(公告)日：2022-05-19

申请号：US17666318

申请日：2022-02-07

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xiang Ren ,  Yong Liu ,  Shibin Ge ,  Xiaoyan Bi

IPC: H04L5/00 ,  H04L5/02

Abstract: Embodiments of this application disclose a method and an apparatus for transmitting a DMRS, and relate to the field of communications technologies. The method and the apparatus are applicable to an NR system. The method for transmitting a DMRS may include: determining a time-frequency resource used to carry a DMRS; and then sending the DMRS by using the time-frequency resource.

公开(公告)号：US11323968B2

公开(公告)日：2022-05-03

申请号：US16951566

申请日：2020-11-18

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yong Liu ,  Xiang Ren ,  Xiaoyan Bi

IPC: H04L5/10 ,  H04W52/32 ,  H04W52/14

Abstract: Example communication methods and communications apparatus are described. One example method includes determining power of a demodulation reference signal (DMRS) by a terminal device. The terminal device sends the DMRS based on the determined power. In embodiments of this application, the power of the DMRS can be flexibly determined for different communication statuses.

公开(公告)号：US20220123793A1

公开(公告)日：2022-04-21

申请号：US17541668

申请日：2021-12-03

Applicant: Huawei Technologies Co., Ltd.

Inventor： Haifan Yin ,  Huangping Jin ,  Shibin Ge ,  Xiaoyan Bi

IPC: H04B7/0417 ,  H04B7/0456

Abstract: This application provides a channel measurement method and a communications apparatus. The method includes: A terminal device generates first indication information and sends the first indication information to a network device, where the first indication information is determined based on received precoded reference signals of P ports and is used to indicate Q ports in the P ports; the P ports correspond to P angle-delay pairs; each angle-delay pair includes one angle vector and one delay vector; the precoded reference signal of each of the P ports is obtained by precoding a reference signal based on one angle vector and one delay vector; and the Q ports correspond to Q angle-delay pairs in the P angle-delay pairs.

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：US11246142B2

公开(公告)日：2022-02-08

申请号：US16673318

申请日：2019-11-04

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Haicun Hang ,  Qian Zhang ,  Xiaoyan Bi

IPC: H04W72/08 ,  H04W72/02 ,  H04W72/04

Abstract: Embodiments of the application provide a control channel transmission method, a network device, a network controller, and a terminal device, to avoid a resource collision between physical downlink control channels (PDCCHs) of a plurality of network devices. The method includes: receiving, by a first network device, resource group indication information sent by a network controller, where a resource indicated by the resource group indication information does not overlap a resource used by another network device; determining, by the first network device, a first search space based on a user equipment UE-specific search space and the resource group indication information; and sending, by the first network device, a first PDCCH to the terminal device through the first search space.

公开(公告)号：US20210410006A1

公开(公告)日：2021-12-30

申请号：US17468269

申请日：2021-09-07

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Haicun Hang ,  Shibin Ge ,  Xiaohan Wang ,  Liuliu Ji ,  Xiaoyan Bi

IPC: H04W28/06 ,  H04W72/04

Abstract: This disclosure provides a method for determining a transport block size (TBS) of a transport block and a communications apparatus. The method includes: A communications apparatus determines a data block size corresponding to each of n code words, where the n code words correspond to a same transport block, and n is an integer greater than 1; and then, the communications apparatus determines a TBS of the transport block based on a data block size of one or more of the n code words.

公开(公告)号：US11101866B2

公开(公告)日：2021-08-24

申请号：US16694405

申请日：2019-11-25

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Haicun Hang ,  Xiaoyan Bi ,  Ye Wu

IPC: H04B7/06 ,  H04B7/0456 ,  H04L1/00 ,  H04W24/10

Abstract: Embodiments of this application disclose a rank indication reporting method and apparatus, and an indication method and apparatus, and relate to the field of communications technologies. The method may include: receiving at least two pieces of indication information, where each of the at least two pieces of indication information is used to indicate a maximum value of an RI that a network device associated with the indication information allows a terminal to report, and at least two network devices associated with the at least two pieces of indication information cooperate to provide a service for the terminal; and reporting RIs based on the at least two pieces of indication information.