公开(公告)号：US12219538B2

公开(公告)日：2025-02-04

申请号：US18313849

申请日：2023-05-08

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xiao Han ,  Mengyao Ma ,  Yan Xin ,  Chenlong Jia ,  Ming Gan

IPC: H04W72/0446 ,  H04L1/16 ,  H04B7/06

Abstract: This application provides an information indication method and an apparatus. In this application, a sending apparatus generates and sends a first frame, the first frame includes at least one piece of sub-time resource indication information, and each piece of sub-time resource indication information is in a one-to-one correspondence with one of at least one response apparatus. In addition, each piece of sub-time resource indication information includes a time resource at which the corresponding response apparatus sends feedback information for the first frame to the sending apparatus and a time resource at which the sending apparatus sends acknowledgment information for the feedback information to the corresponding response apparatus, so that the at least one response apparatus and the sending apparatus that sends the first frame can simultaneously perform beamforming training, thereby improving effectiveness of beamforming training performed on the sending apparatus and the at least one response apparatus.

公开(公告)号：US12010741B2

公开(公告)日：2024-06-11

申请号：US16206444

申请日：2018-11-30

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Meilu Lin ,  Xun Zhou ,  Xiao Han ,  Yuchen Guo ,  Yunbo Li

IPC: H04W76/12 ,  H04W72/0446 ,  H04W76/10 ,  H04W76/11 ,  H04W76/14 ,  H04W80/02

CPC classification number: H04W76/12 ,  H04W72/0446 ,  H04W76/10 ,  H04W76/11 ,  H04W76/14 ,  H04W80/02

Abstract: Embodiments of this application describe a communication method, a first station (STA), a second STA, and an access point (AP). The method includes: determining, by a first STA, a first basic service set (BSS) color; generating, by the first STA, a data frame when the first station STA and a second STA perform D2D transmission, where the data frame includes the first BSS color; and sending, by the first STA, the data frame to the second STA. The first BSS color is carried in the D2D data frame, so that when receiving the data frame, another receiving station in a BSS to which the first STA and the second STA belong can determine that the frame is a frame from a neighboring cell.

公开(公告)号：US20240172237A1

公开(公告)日：2024-05-23

申请号：US18428253

申请日：2024-01-31

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xiao Han ,  Yuchen Guo ,  Xun Yang ,  Jian Yu

IPC: H04W72/21 ,  H04W56/00 ,  H04W72/0446 ,  H04W72/0453 ,  H04W72/27 ,  H04W72/50

CPC classification number: H04W72/21 ,  H04W56/001 ,  H04W72/0446 ,  H04W72/0453 ,  H04W72/27 ,  H04W72/535

Abstract: The technology of this application relates to a data transmission method and apparatus. The method includes sending, by a first device, first indication information in a first frequency band, and the first indication information is indicative of a resource in a second frequency band, used by the first device and the second device to perform data transmission, performing, by the first device, based on the scheduling information, data transmission with the second device, using the resource in the second frequency band. The data transmission method and apparatus in embodiments of this application can schedule a device based on a plurality of frequency bands to perform data transmission. In this way, a larger bandwidth is used, a throughput rate is increased, and system performance is improved.

公开(公告)号：US20240056952A1

公开(公告)日：2024-02-15

申请号：US18460356

申请日：2023-09-01

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Pei Zhou ,  Yan Long ,  Xiao Han ,  Yingpei Lin

IPC: H04W48/10 ,  H04L5/00 ,  H04B7/06 ,  H04W16/28 ,  H04W72/0446 ,  H04W74/08

CPC classification number: H04W48/10 ,  H04L5/0037 ,  H04B7/0695 ,  H04B7/0617 ,  H04L5/005 ,  H04W16/28 ,  H04W72/0446 ,  H04W74/0833 ,  H04W48/12

Abstract: Embodiments of this application provide an information transmission method, a network device, and a user equipment. The method provided in this application includes: sending, by a network device, a broadcast frame that includes first duration information and second duration information that are of A-BFT (Association Beamforming Training); receiving a frame sent by a first user equipment in a timeslot randomly selected from a first time range; and receiving a frame sent by a second user equipment in a timeslot randomly selected from a second time range. According to the embodiments of this application, beamforming training efficiency can be improved.

公开(公告)号：US20230379012A1

公开(公告)日：2023-11-23

申请号：US18366406

申请日：2023-08-07

Applicant: Huawei Technologies Co., Ltd.

Inventor： Meihong Zhang ,  Rui Du ,  Chenchen Liu ,  Yingxiang Sun ,  Xiao Han ,  Xun Yang

IPC: H04B7/0417 ,  H04B7/0452

CPC classification number: H04B7/0417 ,  H04B7/0452 ,  H04B7/0626

Abstract: A method includes: A first device sends a first BRP frame, to indicate a second device to evaluate a variation of CSI from the first device to the second device in an initiator beam refinement protocol transmit sector sweep procedure. The first device sends a plurality of first BRP-TX PPDUs, where the plurality of first BRP-TX PPDUs are used to evaluate the variation of the CSI from the first device to the second device. The first device receives a second BRP frame carrying a first sector information list, where the first sector information list is used to feed back one or more sending sectors whose variation of the CSI from the first device to the second device is greater than a CSI variation threshold.

公开(公告)号：US20230276413A1

公开(公告)日：2023-08-31

申请号：US18313849

申请日：2023-05-08

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xiao Han ,  Mengyao Ma ,  Yan Xin ,  Chenlong Jia ,  Ming Gan

IPC: H04W72/0446 ,  H04L1/16

CPC classification number: H04W72/0446 ,  H04L1/16 ,  H04B7/06

Abstract: This application provides an information indication method and an apparatus. In this application, a sending apparatus generates and sends a first frame, the first frame includes at least one piece of sub-time resource indication information, and each piece of sub-time resource indication information is in a one-to-one correspondence with one of at least one response apparatus. In addition, each piece of sub-time resource indication information includes a time resource at which the corresponding response apparatus sends feedback information for the first frame to the sending apparatus and a time resource at which the sending apparatus sends acknowledgment information for the feedback information to the corresponding response apparatus, so that the at least one response apparatus and the sending apparatus that sends the first frame can simultaneously perform beamforming training, thereby improving effectiveness of beamforming training performed on the sending apparatus and the at least one response apparatus.

公开(公告)号：US20230168372A1

公开(公告)日：2023-06-01

申请号：US18160466

申请日：2023-01-27

Applicant: Huawei Technologies Co., Ltd.

Inventor： Rui Du ,  Wen Tong ,  Xiao Han ,  Mingjie Dong ,  Danny Kai Pin Tan ,  Yingxiang Sun ,  Xiaohui Peng ,  Xun Yang

IPC: G01S15/89 ,  G01S7/41

CPC classification number: G01S15/8979 ,  G01S7/414

Abstract: A method for sensing sneezing based on a wireless signal includes obtaining a wireless signal, where the wireless signal propagates in space including a first object. Doppler estimation is performed on the wireless signal, to obtain Doppler information of the wireless signal. The Doppler information of the wireless signal may be used for indicating impact of the first object on a frequency of the wireless signal. Whether the first object is sneeze droplets is determined based on the Doppler information of the wireless signal.

公开(公告)号：US11490271B2

公开(公告)日：2022-11-01

申请号：US17199964

申请日：2021-03-12

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xiao Han ,  Chenlong Jia ,  Mengyao Ma

IPC: H04W16/28 ,  H04B7/06 ,  H04W88/08

Abstract: This application provides a beam training method and apparatus. The method includes: A first access point AP determines first information. The first information is used to indicate an association beamforming training A-BFT time period, the A-BFT time period is used to perform A-BFT between a plurality of APs and a station STA within coverage of the plurality of APs, and the plurality of APs include the first AP and at least one second AP. The first AP sends the first information. A first STA receives the first information, and determines, based on the first information, a time period for performing sector sweep. The beam training method and apparatus in embodiments of this application can be used to control the plurality of APs and a plurality of STAs to perform association beamforming training.

公开(公告)号：US11456847B2

公开(公告)日：2022-09-27

申请号：US16987720

申请日：2020-08-07

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xiao Han ,  Chenlong Jia ,  Yan Xin

IPC: H04L5/14 ,  H04L27/26 ,  H04W72/04

Abstract: Embodiments of this application relate to the communications field, and in particular, to an information sending/receiving method and apparatus in the communications field. The information receiving method includes: determining an information receiving time based on any two of a time division duplex sector sweep acknowledgement frame count index, a count index, and a time division duplex sector sweep frame count index, duration of a time division duplex sector sweep frame, and duration of a time division duplex sector sweep acknowledgement frame; and receiving information at the determined information receiving time. According to the information receiving/sending method provided in the embodiments of this application, the information sending apparatus can send information at an accurate information sending time, the information receiving apparatus can receive the information at an accurate information receiving time, and system communication can be normally performed.

公开(公告)号：US11424876B2

公开(公告)日：2022-08-23

申请号：US16790044

申请日：2020-02-13

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xiao Han ,  Changfeng Ding ,  Xuming Fang ,  Yan Long ,  Mengyao Ma

IPC: H04W56/00 ,  H04L5/00 ,  H04W76/11 ,  H04B7/06 ,  H04W48/12 ,  H04W72/04 ,  H04W72/12

Abstract: Embodiments of this application provide an information transmission method and a network device. The method may include: listening, by a second network device, to a first frame sent by a first network device, where the first frame is used to indicate whether the first network device supports communication between network devices; and if both the first network device and the second network device support the communication between the network devices, transmitting, by the second network device, information with the first network device.