公开(公告)号：US20190098561A1

公开(公告)日：2019-03-28

申请号：US16206288

申请日：2018-11-30

Applicant: Huawei Technologies Co., Ltd.

Inventor： Pei ZHOU ,  Yan LONG ,  Xiao HAN ,  Yingpei LIN

IPC: H04W48/10 ,  H04W74/08 ,  H04W16/28 ,  H04W72/04 ,  H04B7/06 ,  H04L5/00

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：US20250016726A1

公开(公告)日：2025-01-09

申请号：US18891295

申请日：2024-09-20

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Rui DU ,  Xiao HAN ,  Gerile NAREN ,  Mengshi HU ,  Xun YANG

IPC: H04W64/00 ,  H04W8/22 ,  H04W16/28

Abstract: Embodiments of this application disclose a monostatic sensing method and a related product. The method includes: performing monostatic sensing based on a first frame structure, to obtain a first sensing result; receiving a first request frame from a second device, where the first request frame is used to request to obtain a monostatic sensing result; sending a first response frame to the second device based on the first request frame, where the first response frame includes the first sensing result.

公开(公告)号：US20240284204A1

公开(公告)日：2024-08-22

申请号：US18654185

申请日：2024-05-03

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Mengshi HU ,  Xiao HAN ,  Rui DU ,  Yi LV ,  Xun YANG

IPC: H04W24/02 ,  H04W84/12

CPC classification number: H04W24/02 ,  H04W84/12

Abstract: This application provides a sensing method, an apparatus, and a system, to enable a plurality of measurement setups to share one measurement instance, to improve measurement efficiency. The method includes: A first device generates and sends first indication information, where the first indication information indicates that a first measurement setup and a second measurement setup share a first measurement instance. Correspondingly, a second device receives and parses the first indication information, to learn that the first measurement setup and the second measurement setup share the first measurement instance.

公开(公告)号：US20230345283A1

公开(公告)日：2023-10-26

申请号：US18341059

申请日：2023-06-26

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yingxiang SUN ,  Chenchen LIU ,  Xiao HAN ,  Rui DU ,  Meihong ZHANG ,  Xun YANG

IPC: H04W24/10

CPC classification number: H04W24/10

Abstract: A channel information feedback method. The method can be applied to a first wireless device, and includes: receiving a first message from a second wireless device, where the first message notifies channel information measurement, the first message carries first indication information related to the first wireless device, and the first indication information indicates a feedback condition; performing channel information measurement based on the first message; determining a first channel information variation based on currently measured channel information and historically measured channel information; and feeding back a measurement report to the second wireless device when the first channel information variation meets the feedback condition.

公开(公告)号：US20230132850A1

公开(公告)日：2023-05-04

申请号：US18147035

申请日：2022-12-28

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Chenchen LIU ,  Yunbo LI ,  Rui DU ,  Meihong ZHANG ,  Xiao HAN

IPC: G01S13/58 ,  G01S13/00 ,  G01S7/00 ,  H04W24/10 ,  H04W64/00

Abstract: This application provides a sensing measurement information exchange apparatus, applied to a first station. The apparatus includes: a transceiver unit, configured to receive sensing measurement report information sent by a second station, where the sensing measurement report information includes N groups of first measurement results, where the N groups of first measurement results are in a one-to-one correspondence with N first transmission paths between the first station and the second station, and each group of first measurement results includes an angle of arrival, relative time of flight, and a Doppler frequency shift of a corresponding first transmission path; and a processing unit, configured to obtain angles of arrival, relative time of flight, and Doppler frequency shifts of the N first transmission paths based on the sensing measurement report information. This application implements measurement of locations and instantaneous speeds of a plurality of passive targets.

公开(公告)号：US20220268912A1

公开(公告)日：2022-08-25

申请号：US17740487

申请日：2022-05-10

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Meihong ZHANG ,  Xiangwen GUO ,  Jiahui ZHANG ,  Xiao HAN ,  Rui DU ,  Chenchen LIU ,  Li YAN ,  Xuming FANG

IPC: G01S13/06

Abstract: A method for assisting in locating a target object, a method for locating a target object, and an apparatus. In an embodiment, the method for assisting in locating a target object is applied to a station (STA), and the method includes: receiving a wireless sensing sounding frame including radar measurement indication information from an access point (AP); sending an uplink data packet to the AP, recording a first sending moment, and performing radar measurement on a target object based on the radar measurement indication information to obtain a radar measurement result; receiving a downlink data packet from the AP, and recording a first receiving moment; and sending the first sending moment, the first receiving moment and the radar measurement result to the AP.

公开(公告)号：US20220066018A1

公开(公告)日：2022-03-03

申请号：US17454101

申请日：2021-11-09

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xiao HAN ,  Cailian DENG ,  Rui DU ,  Chenchen LIU ,  Jian YU ,  Meihong ZHANG ,  Li YAN ,  Yan LONG

IPC: G01S13/76 ,  G01S7/00

Abstract: A radar measurement method and an apparatus are disclosed, which relate to the field of communications technologies, and are used to support radar measurement in a wireless local area network (WLAN). The method includes: An access point (AP) generates a first frame, where the first frame includes radar measurement information. Then the AP sends the first frame to M stations (STAs), to configure the way the M STAs perform radar measurement. This application is applicable to a radar measurement procedure.

公开(公告)号：US20210258055A1

公开(公告)日：2021-08-19

申请号：US17313123

申请日：2021-05-06

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xiao HAN ,  Ying ZHANG ,  Zhiwei CHEN ,  Junhao JIANG ,  Yan LONG ,  Rong HE

IPC: H04B7/06

Abstract: This application provides a beam training method and apparatus. The method includes: generating and sending a set up frame, where the set up frame includes M pieces of time information, each piece of time information corresponds to one receiving device in the M receiving devices, each piece of time information is used to indicate a feedback information sending moment of the corresponding receiving device, each piece of time information is further used to indicate an acknowledgment information receiving moment of the corresponding receiving device, receiving a sector sweep SSW frame, generating feedback information based on the SSW frame, sending the feedback information at a feedback information sending moment indicated by corresponding time information, receiving, at an acknowledgment information receiving moment indicated by the corresponding time information, acknowledgment information. Therefore, a training time can be shortened, and signaling overheads can be reduced.

公开(公告)号：US20190098679A1

公开(公告)日：2019-03-28

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 ,  H04W76/14 ,  H04W72/04 ,  H04W76/11

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：US20250142650A1

公开(公告)日：2025-05-01

申请号：US19010953

申请日：2025-01-06

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

Abstract: Embodiments of this application describe a communication method, a first station (STA), a second STA, and an access point (AP). One example 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.