公开(公告)号：US20240089778A1

公开(公告)日：2024-03-14

申请号：US18510674

申请日：2023-11-16

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Bo Fan ,  Hongrui Zhou ,  Xi Zhang ,  Lei Chen ,  Fengwei Liu ,  Shitong Yuan

IPC: H04W24/10

CPC classification number: H04W24/10

Abstract: This application provides a communication method and apparatus. The communication method includes: receiving measurement configuration information from a network device, where the measurement configuration information is used to configure a channel measurement resource and M interference measurement resources, and M is a positive integer greater than or equal to 1; and sending a bitmap to the network device, where the bitmap includes one or more bits, each bit corresponds to one or more interference measurement resources and has a value indicating interference of the one or more interference measurement resources to the channel measurement resource, and the M interference measurement resources include the one or more interference measurement resources.

公开(公告)号：US20240064538A1

公开(公告)日：2024-02-22

申请号：US18467711

申请日：2023-09-14

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Bo Fan ,  Xi Zhang ,  Shitong Yuan

IPC: H04W24/04 ,  H04W72/044

CPC classification number: H04W24/04 ,  H04W72/046

Abstract: This application provides a beam failure recovery method and an apparatus. The method includes: A terminal device receives configuration information of a cell, where the configuration information of the cell includes M beam failure detection resource groups and M candidate beam resource groups, the M beam failure detection resource groups are in a one-to-one correspondence with the M candidate beam resource groups, and M is an integer. When M is an integer greater than 1, and a beam failure occurs in at least one of the M beam failure detection resource groups, the terminal device sends, by using a first media access control control element (MAC CE), beam failure recovery information corresponding to the cell. According to the beam failure recovery method provided in this application, beam failure recovery can be performed in time.

公开(公告)号：US20230268973A1

公开(公告)日：2023-08-24

申请号：US18305394

申请日：2023-04-24

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Bo Fan ,  Xi Zhang ,  Peng Guan ,  Xiaoyu Luo

IPC: H04B7/06 ,  H04W56/00 ,  H04B17/309

CPC classification number: H04B7/06952 ,  H04W56/0045 ,  H04B17/347

Abstract: This disclosure discloses a beam switching method and an apparatus. A terminal device receives first indication information from a network device, where the first indication information indicates a first beam. Then, the terminal device performs one or more of the following behaviors based on the first beam: measuring downlink time-frequency offset information and path loss information corresponding to the first beam, sending, based on the first beam, a signal for uplink timing measurement, and receiving uplink timing adjustment information from the network device, where the timing adjustment information is determined based on the first beam. Further, the terminal device receives second indication information from the network device, where the second indication information indicates to switch to the first beam. The terminal device first measures timing information and/or the path loss information of the first beam to be switched to.

公开(公告)号：US11611418B2

公开(公告)日：2023-03-21

申请号：US17402346

申请日：2021-08-13

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xi Zhang ,  Fengwei Liu ,  Lei Chen ,  Minghui Xu

IPC: H04L5/00 ,  H04J13/00 ,  H04L27/26

Abstract: A PTRS processing method includes: receiving, by a terminal, first indication information and second indication information from a network device, where the first indication information is used to indicate a time-domain location at which a PTRS is to be sent by the terminal, and the second indication information is used to indicate an offset of an initial time-domain location to which the PTRS is mapped by the terminal; mapping, by the terminal, the PTRS to one or more DFT-s-OFDM symbols based on the first indication information and the second indication information; and sending, by the terminal, the one or more DFT-s-OFDM symbols. In this way, the PTRS mapped to the DFT-s-OFDM symbol is offset at a DFT-s-OFDM symbol level.

公开(公告)号：US11503614B2

公开(公告)日：2022-11-15

申请号：US16022309

申请日：2018-06-28

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xi Zhang ,  Lei Chen ,  Mao Yan

IPC: H04W72/08 ,  H04B7/0408 ,  H04L5/00 ,  H04W72/12 ,  H04B7/06 ,  H04J3/16 ,  H04W72/04

Abstract: The present disclosure provides a downlink data transmission method, including: using a time-division multiplexing transmission mode in one transmission time interval; sending, by using a wide beam, a control signal to a user served in the current transmission time interval; and grouping users and sending data signals to different user groups by using different narrow beams. In one transmission time interval, time-division multiplexing is used, and a wide beam and a narrow beam are respectively used to transmit a control signal and a data signal. This can avoid a throughput bottleneck resulting from use of a transmission scheme that is based on frequency-division multiplexing only.

公开(公告)号：US11419120B2

公开(公告)日：2022-08-16

申请号：US16861842

申请日：2020-04-29

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Shengyue Dou ,  Shibin Ge ,  Ting Wang ,  Yuanjie Li ,  Xi Zhang ,  Xiaoyan Bi

IPC: H04W72/04 ,  H04W76/11 ,  H04L5/00

Abstract: This disclosure provides an information transmission method and a communications device. The method includes: when determining that higher layer signaling is not configured with a scrambling identifier, scrambling or descrambling, by a communications device, data by using a second initial scrambling value, where the scrambling identifier is used by the communications device to determine a first initial scrambling value used for data scrambling or descrambling, and the second initial scrambling value is related to at least one or two of a cell identifier, a radio network temporary identifier, and a reserved bit. Therefore, in the embodiments of this disclosure, when determining that the higher layer is not configured with the scrambling identifier, the communications device scrambles or descrambles the data by using the second initial scrambling value. This resolves a problem in the prior art that a terminal device cannot determine an initial scrambling value used for data scrambling.

公开(公告)号：US11316579B2

公开(公告)日：2022-04-26

申请号：US16784306

申请日：2020-02-07

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Peng Guan ,  Xi Zhang ,  Ying Sun ,  Ziming Yu

IPC: H04B7/08 ,  H04B7/06 ,  H04L5/00 ,  H04W72/04 ,  H04W76/11 ,  H04W56/00

Abstract: A communication method and a communications apparatus. The method includes: receiving configuration information of at least one frequency resource group, and receiving, by using at least one beam, a downlink signal on a corresponding frequency resource in the at least one frequency resource group, wherein each frequency resource group comprises at least two frequency resources, each frequency resource corresponds to at least one beam, and the configuration information comprises an identifier of each frequency resource group and an identifier of each frequency resource; and when it is detected based on the downlink signal that a beam associated with a first frequency resource in the frequency resource group fails, sending a beam recovery request on a second frequency resource in the frequency resource group. Correspondingly, a corresponding apparatus is further disclosed.

公开(公告)号：US11206352B2

公开(公告)日：2021-12-21

申请号：US16937384

申请日：2020-07-23

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yinting Wang ,  Xi Zhang ,  Yifan Zhang ,  Jinwei Chen ,  Haidong Gao ,  Changqi Hu ,  Ruihua Li

IPC: H04N5/232 ,  H04N5/225 ,  H04N9/09

Abstract: The present disclosure discloses a method for image or video shooting. The method is applied to a terminal that includes a first camera, a second camera, and a third camera. The second camera is a black-and-white camera, and the first camera, the second camera, and the third camera are cameras using prime lenses. The third camera is a color camera using a tele-photo lens. The method includes determining at least one camera from the first camera, the second camera, and the third camera based on a target zoom ratio as a target camera. The method further includes capturing, by using the target camera, at least one image that includes a target scene. The method further includes obtaining an output image of the target scene based on the at least one image that includes the target scene. According to the present disclosure, an approximately 5× lossless zoom effect is achieved.

公开(公告)号：US11171812B2

公开(公告)日：2021-11-09

申请号：US16674261

申请日：2019-11-05

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xi Zhang ,  Minghui Xu

IPC: H04L25/02 ,  H04W72/04 ,  H04L1/00 ,  H04L5/00

Abstract: A communication method includes: determining, by a first device, a phase tracking reference signal (PTRS) pattern, where the PTRS pattern includes one or more PTRS chunks, and each PTRS chunk includes one or more PTRS samples; and mapping, by the first device, a PTRS to one or more symbols, and sending the one or more symbols to a second device.

公开(公告)号：US11122514B2

公开(公告)日：2021-09-14

申请号：US16855686

申请日：2020-04-22

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xi Zhang ,  Peng Guan ,  Xiaoyong Tang

IPC: H04W52/32 ,  H04W52/18 ,  H04W52/16 ,  H04W52/14 ,  H04L5/00

Abstract: A communication method is provided, including: determining, by a first device, a relative power ratio between a phase tracking reference signal (PTRS) and a data channel; determining, by the first device, a transmit power of the PTRS based on the relative power ratio of the PTRS to the data channel; and sending, by the first device, the PTRS to a second device by using the transmit power of the PTRS.