公开(公告)号：US20200068623A1

公开(公告)日：2020-02-27

申请号：US16674591

申请日：2019-11-05

Applicant: Huawei Technologies Co., Ltd.

Inventor： Mao Yan ,  Rong Wen ,  Lei Chen

IPC: H04W74/08 ,  H04W72/04 ,  H04W56/00 ,  H04L5/00

Abstract: This application discloses a resource configuration method and an apparatus. The method includes: obtaining, by a terminal device, configuration information, where the configuration information includes at least one piece of the following information: random access resource configuration information and downlink signal parameter information; and accessing, by the terminal device, a network device based on the configuration information. A corresponding apparatus is also disclosed.

公开(公告)号：US20200045748A1

公开(公告)日：2020-02-06

申请号：US16600279

申请日：2019-10-11

Applicant: Huawei Technologies Co., Ltd.

Inventor： Mao Yan ,  Lei Chen ,  Huang Huang

IPC: H04W74/08 ,  H04W76/11

Abstract: This application discloses a random access method; the random access method includes: sending a random access preamble to a network device; receiving a random access response from the network device according to a random access radio network temporary identifier (RA-RNTI); wherein: the RA-RNTI is related to a group index of a random access occasion group to which a random access occasion of the random access preamble belongs. This application further discloses a corresponding random access response method, terminal device, and network device.

公开(公告)号：US20190173653A1

公开(公告)日：2019-06-06

申请号：US16272914

申请日：2019-02-11

Applicant: Huawei Technologies Co., Ltd.

Inventor： Dan Wu ,  Lei Chen

IPC: H04L5/00 ,  H04L27/26 ,  H04W72/04

Abstract: The present disclosure discloses a communication method and a communications apparatus. The method includes: determining, by a first communications device, a first subcarrier spacing corresponding to a first subband; and performing, by the first communications device, signal transmission on the first subband with a second communications device based on the first subcarrier spacing; or determining, by a first communications device, a second subcarrier spacing corresponding to a second subband; and performing, by the first communications device, signal transmission on the second subband with a second communications device based on the second subcarrier spacing. The first subcarrier spacing is different from the second subcarrier spacing, and both the first subcarrier spacing and the second subcarrier spacing are integral multiples of a basic frequency spacing; and both bandwidth of the first subband and bandwidth of the second subband are integral multiples of the basic frequency spacing.

公开(公告)号：US20180027463A1

公开(公告)日：2018-01-25

申请号：US15719806

申请日：2017-09-29

Applicant: Huawei Technologies Co., Ltd.

Inventor： Lei Chen ,  Xiaotong Wang

IPC: H04W36/08 ,  H04W36/00

CPC classification number: H04W36/08 ,  H04W36/0061 ,  H04W36/36 ,  H04W48/16 ,  H04W84/12

Abstract: A communication connection control method and a device, with the device configured to, when the device finds that communication service quality provided by an optimal wireless fidelity (Wi-Fi) access point is better than communication service quality provided by a currently connected Wi-Fi access point, the device automatically disconnects from the currently connected Wi-Fi access point, and initiates a connection request to the optimal Wi-Fi access point.

公开(公告)号：US20170272137A1

公开(公告)日：2017-09-21

申请号：US15604387

申请日：2017-05-24

Applicant: Huawei Technologies Co., Ltd.

Inventor： Daiming Qu ,  Jun Li ,  Tao Jiang ,  Lei Chen

IPC: H04B7/0456 ,  H04B15/00 ,  H04B7/06

CPC classification number: H04B7/0456 ,  H04B7/04 ,  H04B7/06 ,  H04B15/00 ,  H04L1/0606 ,  H04L1/0618 ,  H04L1/0668 ,  H04L27/264

Abstract: The present invention provides an FBMC transmit diversity transmission method and apparatus. The method includes: obtaining a to-be-transmitted data sequence, where the to-be-transmitted data sequence includes 2*M*N pieces of data; performing transmit diversity processing on the to-be-transmitted data sequence to obtain FBMC signals of a first antenna and a second antenna, where a precoding matrix is (I) or (II), a matrix that includes the FBMC signals of the first antenna and the second antenna is (III), a matrix that includes the to-be-transmitted data sequence is (IV), 0≦i≦M−1, 0≦j≦N−1, Y=WX, the 2*M*N pieces of data of the to-be-transmitted data sequence are denoted by x(0)(k,l) and x(1)(k,l), 0≦k≦M−1, 0≦l≦N−1, FBMC signals of the first antenna and the second antenna on an rth subcarrier and an sth symbol are denoted by y(0)(r,s) and y(1)(r,s), 0≦r≦2M−1, and 0≦s≦N−1; and transmitting the FBMC signals of the first antenna and the second antenna.

公开(公告)号：US20170265208A1

公开(公告)日：2017-09-14

申请号：US15610002

申请日：2017-05-31

Applicant: Huawei Technologies Co., Ltd.

Inventor： Kun Zeng ,  Lei Chen

IPC: H04W72/10 ,  H04W72/00 ,  H04W72/04 ,  H04W74/08 ,  H04W72/12

Abstract: Embodiments of the present invention provide a method for performing communication by using a spectrum resource, and a communications device. The method includes: determining, by a first communications device in a first communications system, a first sub-timeslot and a second sub-timeslot in a unit timeslot; and performing, by the first communications device, communication in the first sub-timeslot by using a spectrum resource at a priority higher than that of a second communications device in a second communications system, where a priority at which the first communications device uses the spectrum resource in the second sub-timeslot is lower than a priority at which the second communications device uses the spectrum resource in the second sub-timeslot. The embodiments of the present invention can improve utilization of spectrum resources.

公开(公告)号：US20170193632A1

公开(公告)日：2017-07-06

申请号：US15313866

申请日：2014-05-27

Applicant: Huawei Technologies Co., Ltd.

Inventor： Lei Chen

IPC: G06T3/20 ,  G06F3/0484

CPC classification number: G06T3/20 ,  G06F3/04845 ,  H04M1/72552 ,  H04N5/76 ,  H04N9/804 ,  H04N21/41407 ,  H04N21/42224 ,  H04N21/4394 ,  H04N21/4532

Abstract: Embodiments of the present invention provide a media file processing method and apparatus. The media file processing method in the present invention includes: specifying input event information and identification ID information corresponding to the input event information; decoding data of a preset length in a media file corresponding to the input event information, and storing, in a specified memory, pulse code modulation PCM data obtained by means of decoding and ID information corresponding to the media file; receiving first input event information of a user, and determining first ID information according to the specified input event information and the ID information corresponding to the input event information; and acquiring, from the memory according to the first ID information, first PCM data corresponding to the first ID information, and playing the first PCM data.

公开(公告)号：US12255693B2

公开(公告)日：2025-03-18

申请号：US18301442

申请日：2023-04-17

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Su Huang ,  Lei Chen

IPC: H04B17/327 ,  H04B7/0426 ,  H04B17/27 ,  H04W64/00

Abstract: This application provides a signal measurement method and a communication apparatus, to measure a downlink angle of departure (DAOD) more accurately. The method includes: receiving resource configuration information, where the resource configuration information includes configuration information of a first reference signal set, the first reference signal set includes M reference signals, N reference signals in the M reference signals are reference reference signals, M is greater than 1, and N is greater than or equal to 1; receiving the M reference signals; determining N first paths corresponding to the N reference reference signals, and separately determining M*N received powers of the M reference signals on the N first paths; and reporting a measurement result, where the measurement result includes K*N received powers in M*N received powers, K≤M, and the first path is one of a plurality of paths corresponding to a reference reference signal.

公开(公告)号：US20250070815A1

公开(公告)日：2025-02-27

申请号：US18941859

申请日：2024-11-08

Applicant: Huawei Technologies Co., Ltd.

Inventor： Mao Yan ,  Huang Huang ,  Hua Shao ,  Lei Chen

IPC: H04B1/40

Abstract: Embodiments of this application disclose a backscatter communication method and a related apparatus. The method includes: receiving, by a backscatter device, a first signal from an excitation device, the first signal carries a first sequence determined by the excitation device; modulating, by the backscatter device, backscatter device data to the first signal to obtain a second signal, wherein the backscatter device data is scrambled by the first sequence; backscattering, by the backscatter device, the second signal to a receiving device.

公开(公告)号：US20250024520A1

公开(公告)日：2025-01-16

申请号：US18904668

申请日：2024-10-02

Applicant: Huawei Technologies Co., Ltd.

Inventor： Chenwan Li ,  Lei Chen ,  Hailong Hou ,  Bingzhao Li

IPC: H04W74/0836 ,  H04W72/0453 ,  H04W72/0457 ,  H04W74/08

Abstract: A network device sends first indication information to a first terminal; and the first terminal sends a system information request based on the first indication information, where the first indication information indicates to send the system information request based on first resource configuration information by using a Msg 1; or the first indication information indicates to send the system information request by using a Msg 3.