公开(公告)号：US20240413875A1

公开(公告)日：2024-12-12

申请号：US18811790

申请日：2024-08-22

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Shuangkaisheng Bi ,  Hongli He ,  Xueru Li

IPC: H04B7/06 ,  H04B17/10 ,  H04W16/28

Abstract: A first device sends M times of reference signals to a second device in a first beam direction, where each of the M times of reference signals are simultaneously sent through two groups of transmit antennas, and M is greater than or equal to 2. The first device receives first information from the second device, where the first information indicates receive phase information of the M times of reference signals. The first device determines a second beam direction based on the first information, where the second beam direction is a beam direction in which the first device sends information to the second device or the first device receives information from the second device.

公开(公告)号：US12166551B2

公开(公告)日：2024-12-10

申请号：US17581052

申请日：2022-01-21

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xueru Li ,  Jianqin Liu ,  Kunpeng Liu

IPC: H04B7/06 ,  H04L5/00 ,  H04W74/0833

Abstract: A network device sends K reference signal resources, where K is an integer greater than 0. The network device receives a first random access preamble in a first random access time-frequency resource unit. The network device determines indexes of S reference signal resources and first channel state information CSI of the S reference signal resources based on the first random access preamble and the first random access time-frequency resource unit the S reference signal resources are reference signal resources in the K reference signal resources, and S is an integer greater than 0 and less than or equal to K.

公开(公告)号：US12149319B2

公开(公告)日：2024-11-19

申请号：US18039886

申请日：2021-11-30

Applicant: Huawei Technologies Co., Ltd.

Inventor： Bichai Wang ,  Xueru Li

IPC: H04B7/06 ,  H04W72/0453 ,  H04W72/1268

Abstract: In accordance with an embodiment, a method includes sending a first message to a network device includes capability information of a terminal device that indicates antenna ports supported by P frequency domain units of the terminal device, and an antenna port supported by an ith frequency domain unit in the P frequency domain units includes an antenna port associated with the ith frequency domain unit and an antenna port that can be switched to the ith frequency domain unit in antenna ports associated with Ni frequency domain units in the P frequency domain units; and receiving configuration information from the network device, where the configuration information configures at least two sounding reference signal (SRS) resources for a first frequency domain unit of the terminal device, and the first frequency domain unit is associated with first uplink transmission configuration information.

公开(公告)号：US12075422B2

公开(公告)日：2024-08-27

申请号：US17992644

申请日：2022-11-22

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xueru Li ,  Ruiqi Zhang

IPC: H04W72/21 ,  H04L1/1829 ,  H04L5/00 ,  H04W72/044

CPC classification number: H04W72/21 ,  H04L1/1861 ,  H04L5/0055 ,  H04W72/044

Abstract: One example method includes determining, by a terminal device, that at least two physical uplink control channel (PUCCH) resources collide in a time unit n, where n is an integer, and the at least two PUCCH resources include a first resource configured for first uplink control information (UCI) and a second resource configured for second UCI. The terminal device can determine the first resource and a third resource in the time unit n, where the third resource is one of M PUCCH resources, the first resource and the third resource do not include a same orthogonal frequency division multiplexing (OFDM) symbol in time domain, M is a positive integer greater than or equal to 1, the first resource is used to carry a part or all of the first UCI, and the third resource is used to carry a part or all of the second UCI.

公开(公告)号：US20240121805A1

公开(公告)日：2024-04-11

申请号：US18391055

申请日：2023-12-20

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Bichai Wang ,  Yanqing Zhang ,  Xueru Li

IPC: H04W72/25 ,  H04W72/1263

CPC classification number: H04W72/25 ,  H04W72/1263

Abstract: This application relates to a communication method and device. A first terminal device sends first SCI in N first time units, where the first SCI indicates first configuration information, the first configuration information includes a resource of a first periodic transmission, the first periodic transmission includes M transmissions, a transmission cycle of the first periodic transmission is a first cycle, the M transmissions include P transmission time units, N is an integer greater than or equal to 1, M is an integer less than or equal to P, and P is an integer greater than N. The first terminal device sends, in N second time units, second SCI associated with the first SCI. The first terminal device does not need to send SCI for all transport blocks of a service of the first periodic transmission.

公开(公告)号：US11923940B2

公开(公告)日：2024-03-05

申请号：US17144626

申请日：2021-01-08

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xueru Li ,  Ruiqi Zhang

IPC: H04B7/06

CPC classification number: H04B7/0626 ,  H04B7/0634 ,  H04B7/0639 ,  H04B7/0663

Abstract: A channel state information reporting method and apparatus are described. The method can include a terminal device obtaining first indication information and sending the first indication information to a network device. The network device receives the first indication information, where the first indication information indicates a differential value between channel state information of a first antenna port set and channel state information of a second antenna port set. The first antenna port set includes x antenna ports of the terminal device, the second antenna port set includes m antenna ports of the terminal device, and the first antenna port set is different from the second antenna port set. The channel state information reporting method and apparatus in embodiments of this application help improve accuracy of channel state information obtained by a network device, and improve data transmission performance.

公开(公告)号：US20230292355A1

公开(公告)日：2023-09-14

申请号：US18005656

申请日：2021-07-14

Applicant: HUAWEI TECHNOLOGIES CO.,LTD.

Inventor： Lan Peng ,  Xueru Li

IPC: H04W72/542 ,  H04W72/02 ,  H04W72/566

CPC classification number: H04W72/542 ,  H04W72/02 ,  H04W72/566

Abstract: This application discloses an information sending method and an apparatus, and relate to the communication field. The method includes: A first terminal sends a first indication message to a second terminal, where the first indication message indicates the second terminal to report first information; the second terminal reports the first information to the first terminal according to the first indication message, where the first information indicates channel state information of a channel resource; the first terminal sends a second indication message to the second terminal, where the second indication message indicates information about a first resource set, the first resource set is determined by the first terminal based on the first information, and a resource in the first resource set is a resource for sidelink communication.

公开(公告)号：US20230283337A1

公开(公告)日：2023-09-07

申请号：US18006053

申请日：2021-07-15

Applicant: Huawei Technologies Co., Ltd.

Inventor： Hongli He ,  Xueru Li

IPC: H04B7/06 ,  H04B7/0456 ,  H04L5/00 ,  H04W24/08

CPC classification number: H04B7/0617 ,  H04B7/0456 ,  H04L5/0048 ,  H04W24/08

Abstract: A first device receives first configuration information used for beam training, and may determine, based on the first configuration information, L codewords associated with M reference signals. The first device may measure the M reference signals, determine V codewords in the L codewords based on a measurement result, and report first indication information indicating the V codewords.

公开(公告)号：US11296759B2

公开(公告)日：2022-04-05

申请号：US17155169

申请日：2021-01-22

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xueru Li ,  Ruiqi Zhang

IPC: H04B7/02 ,  H04B7/0456 ,  H04B7/0417 ,  H04B7/06

Abstract: This application discloses a precoding matrix index (PMI) reporting method, and related communications apparatus and medium. The method includes: determining an rank indicator (RI) and a PMI, where the PMI is used to determine R precoding matrices W1, . . . , WR. An rth precoding matrix Wr in the R precoding matrices satisfies Wr=W1×W2,r, where an lth row of W2,r is obtained by performing DFT transform on an lth row of a matrix V2,r, and R is indicated by the RI. The PMI includes first indication information and second indication information. The first indication information includes location index information. The location index information is used to indicate Km,r element locations tr,m,1, . . . , ∈{1, . . . , T} on an mth row of V2,r. The second indication information is used to indicate Km,r complex coefficients at the element locations tr,m,1, . . . , on the mth row of V2,r. V2,r is determined based on the Km,r element locations and the Km,r complex coefficients.

公开(公告)号：US11290989B2

公开(公告)日：2022-03-29

申请号：US16719286

申请日：2019-12-18

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xueru Li ,  Ruiqi Zhang ,  Hao Sun

IPC: H04W72/04 ,  H04L1/00 ,  H04L5/00 ,  H04L5/10 ,  H04W24/10

Abstract: This application provides an information transmission method and apparatus. The method includes: receiving, by a terminal device, a plurality of pieces of downlink control information DCI, where each of the plurality of pieces of DCI is used to trigger reporting of one piece of UCI and indicate a physical uplink control channel PUCCH resource carrying the UCI, the UCI includes at least one piece of channel state information CSI and response information, and PUCCH resources indicated by the plurality of pieces of downlink DCI occupy at least one same orthogonal frequency division multiplexing OFDM symbol; and sending, by the terminal device, target UCI on a target PUCCH resource, where the target UCI includes UCI triggered by the plurality of pieces of DCI, and the target PUCCH resource is one of the PUCCH resources indicated by the plurality of pieces of DCI. In this way, aperiodic CSI triggered by DCI can be transmitted on a PUCCH resource.