公开(公告)号：US20240019540A1

公开(公告)日：2024-01-18

申请号：US18338965

申请日：2023-06-21

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Rui DU ,  Xiao HAN ,  Chenchen LIU ,  Meihong ZHANG ,  Wei LIN ,  Xun YANG ,  Zhengchun ZHOU ,  Xianfu LEI ,  Xiaohu TANG

IPC: G01S7/40 ,  G01S7/00

CPC classification number: G01S7/40 ,  G01S7/006

Abstract: A data transmission method. A physical layer protocol data unit (PPDU) is generated. The PPDU includes a training field. The training field includes a sequence used for target sensing. The PPDU is sent.

公开(公告)号：US20240007885A1

公开(公告)日：2024-01-04

申请号：US18366107

申请日：2023-08-07

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

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

IPC: H04W24/08

CPC classification number: H04W24/08

Abstract: A method for sending a measurement packet and a communication apparatus. The method includes: a first wireless device sends a trigger frame, where the trigger frame is used to trigger a plurality of second wireless devices to send measurement packets in an orthogonal frequency division multiple access (OFDMA) manner; and the first wireless device receives the measurement packets sent by the plurality of second wireless devices in the OFDMA manner. Based on the method, the measurement packet sent by each second wireless device occupies only some tones of an uplink transmission bandwidth. This improves power spectral density of the measurement packet and improves precision of measuring channel information by the first wireless device.

公开(公告)号：US20230396475A1

公开(公告)日：2023-12-07

申请号：US18453473

申请日：2023-08-22

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Bo GONG ,  Chenchen LIU ,  Ming GAN

IPC: H04L27/26 ,  H04L5/00

CPC classification number: H04L27/2607 ,  H04L5/0044

Abstract: A cyclic shift diversity-based communication method and apparatus. A maximum number of antennas supported in this method is greater than 8. A cyclic shift is performed on a first preamble part of each antenna by using a cyclic shift diversity value, so that an automatic gain control error is reduced in response to the use of more antennas (for example, 16 antennas).

公开(公告)号：US20230353274A1

公开(公告)日：2023-11-02

申请号：US18349510

申请日：2023-07-10

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Mengshi HU ,  Jian YU ,  Chenchen LIU ,  Ming GAN ,  Ju CAO

IPC: H04L1/00

CPC classification number: H04L1/0008

Abstract: A feeding network, an antenna, an antenna system, a base station, and a beam forming method. The antenna includes an array antenna, a feeding network, and an antenna port. The array antenna includes a plurality of radiating elements. Each output of each feeding network is connected to at least one radiating element in the array antenna. Each input of each feeding network is connected to the antenna port. Each feeding network has one input and two outputs, and one of the two outputs includes a phase shifter. The phase shifter has a first operating state to increase the coverage space of beam forming.

公开(公告)号：US20220263640A1

公开(公告)日：2022-08-18

申请号：US17668207

申请日：2022-02-09

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Chenchen LIU ,  Huangxun CHEN ,  Xiao HAN ,  Rui DU ,  Meihong ZHANG ,  Yunbo LI ,  Qian ZHANG ,  Jia HE

IPC: H04L5/00

Abstract: A method includes, in accordance with some implementations, sending, a measurement station, a trigger frame to a signal source station, where the trigger frame carries pilot format information, and the pilot format information is used to indicate a sending time point of a signal frame triggered by the trigger frame, a quantity of times for sending the signal frame, and a transmission mode of pilot information in the signal frame. The measurement station receives an illumination frame from the signal source station, where the illumination frame is the signal frame triggered by the trigger frame. The measurement station analyzes pilot information in the illumination frame to obtain sensing information in the illumination frame, where the sensing information is used to indicate physical information of an object surrounding the signal source station and the measurement station.