公开(公告)号：US20130148608A1

公开(公告)日：2013-06-13

申请号：US13763170

申请日：2013-02-08

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yi Wang ,  Xiaoyan Bi

IPC: H04W72/08

CPC classification number: H04W72/085 ,  H04B7/0632 ,  H04B7/0684 ,  H04W72/1226

Abstract: The present invention provides a multi-antenna diversity scheduling method and apparatus. The method includes: transmitting pilot signals through x transmit antennas, where pilot signals on 1 to x−1 transmit antennas are a product of pilot symbols and a phase sequence, the phase sequence changes with at least one of time and frequency, the phase sequence changes more frequently than a user channel, and x is a positive integer greater than or equal to 2; receiving a transient channel quality information (CQI) value returned by a user according to the pilot signals; and according to the CQI value and a scheduling algorithm, scheduling the user to transmit data.

Abstract translation: 本发明提供一种多天线分集调度方法和装置。 该方法包括：通过x个发射天线发射导频信号，其中1到x-1发射天线上的导频信号是导频符号和相序的乘积，相位序列随时间和频率中的至少一个而改变，相位序列 变化比用户通道更频繁，x是大于或等于2的正整数; 接收用户根据导频信号返回的瞬时信道质量信息（CQI）值; 并根据CQI值和调度算法，调度用户发送数据。

公开(公告)号：US20130040652A1

公开(公告)日：2013-02-14

申请号：US13652845

申请日：2012-10-16

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yong JIANG ,  Yi Wang

IPC: H04W72/04

CPC classification number: H04J11/0023 ,  H04L27/2624

Abstract: A method and an apparatus for generating a standard cancellation signal includes: setting weight values according to frequency points of a current cell and its neighboring cells; according to the frequency points of the current cell and neighboring cells and the weight values of the frequency points, performing Fourier transform to obtain a corresponding time-domain signal; and performing highest amplitude normalization on the time-domain signal and performing a cyclic shift to obtain a standard cancellation signal. The embodiments generate a standard cancellation signal according to frequency points of the current cell and its neighboring cells, so that the current cell and its neighboring cells share the peak clipping noise, and therefore helping improve the peak clipping performance of the current cell or reduce the EVM distortion.

Abstract translation: 用于产生标准消除信号的方法和装置包括：根据当前小区及其相邻小区的频点设置权重值; 根据当前小区和相邻小区的频点和频点的权重值，进行傅里叶变换以获得对应的时域信号; 对时域信号进行最高幅度归一化，进行循环移位，得到标准消除信号。 实施例根据当前单元及其相邻单元的频点产生标准消除信号，使得当前单元及其相邻单元共享峰值限幅噪声，因此有助于提高当前单元的峰值削波性能或减小 EVM失真。

公开(公告)号：US12273925B2

公开(公告)日：2025-04-08

申请号：US17517362

申请日：2021-11-02

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yiqun Wu ,  Shuangshuang Xing ,  Yi Wang

IPC: H04W74/0833 ,  H04W72/23

Abstract: This application provides a random access method and an apparatus. The random access method includes: User equipment sends a random access message of a first-type random access procedure to a network device. The random access message of the first-type random access procedure includes a random access preamble and uplink data. The user equipment starts a first time window after the end of the transmission of the random access preamble, and detects first downlink control information (DCI) and second DCI within the first time window. The first DCI is used to schedule a first physical downlink shared channel PDSCH for carrying a first response message to the random access preamble, and the second DCI is used to schedule a second PDSCH for carrying a second response message to the random access message.

公开(公告)号：US20240305200A1

公开(公告)日：2024-09-12

申请号：US18667335

申请日：2024-05-17

Applicant: Huawei Technologies Co., Ltd.

Inventor： Wenlin Zhang ,  Yue Chen ,  Yi Wang ,  Qiang Xie

IPC: H02M3/158 ,  H02M1/088

CPC classification number: H02M3/158 ,  H02M1/088

Abstract: A switching power supply circuit includes a power transistor circuit, including a plurality of power transistors coupled in series between a power supply end and a ground, where a first electrode of a first power transistor in the plurality of power transistors is coupled to the power supply end by using a second power transistor in the plurality of power transistors, and a second electrode of the first power transistor is coupled to the ground by using a third power transistor in the plurality of power transistors; a drive circuit, configured to drive the second power transistor and the third power transistor; and a first transistor, where both a gate and a first electrode of the first transistor are coupled to a gate of the third power transistor, and a second electrode of the first transistor is coupled to the ground by using a first switch.

公开(公告)号：US11997638B2

公开(公告)日：2024-05-28

申请号：US17238497

申请日：2021-04-23

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yingjie Yu ,  Zhenyu Shi ,  Yi Wang

IPC: H04W64/00 ,  G01S5/04 ,  H04B17/27 ,  H04B17/309

CPC classification number: H04W64/00 ,  G01S5/04 ,  H04B17/27 ,  H04B17/309

Abstract: A positioning method and a device, related to the communications field. In a 5G NR system, UE may be positioned only by measuring an uplink angle of arrival. The method includes: obtaining, by a location management function network element, a positioning measurement parameter set, where the positioning measurement parameter set at least includes at least two uplink angles of arrival that are obtained by measuring a reference signal sent by a terminal device; and determining, by the location management function network element, a location of the terminal device based on the at least two uplink angles of arrival in the positioning measurement parameter set.

公开(公告)号：US20240166127A1

公开(公告)日：2024-05-23

申请号：US18524886

申请日：2023-11-30

Applicant: Huawei Technologies Co., Ltd.

Inventor： Peizhi Wang ,  Yi Wang ,  Minghui Zheng

IPC: B60Q3/80 ,  B60Q3/18 ,  B60Q3/225 ,  G06F3/16 ,  H05B47/105

CPC classification number: B60Q3/80 ,  B60Q3/18 ,  B60Q3/229 ,  G06F3/167 ,  H05B47/105 ,  B60Q2500/30

Abstract: A vehicle includes a plurality of areas, each of the plurality of areas includes at least one light emitting apparatus and at least one sensor of a first type, the plurality of areas include a first area, the first area includes a first light emitting apparatus and a first sensor, and a type of the first sensor is the first type. A light system control method includes: obtaining a first signal collected by the first sensor; and controlling, based on the first signal, the first light emitting apparatus to work.

公开(公告)号：US20240157769A1

公开(公告)日：2024-05-16

申请号：US18417873

申请日：2024-01-19

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Peizhi Wang ,  Yi Wang ,  Minghui Zheng

IPC: B60J3/04 ,  B60R16/023 ,  G01S17/89 ,  G01S17/931 ,  G06T7/80

CPC classification number: B60J3/04 ,  G01S17/89 ,  G01S17/931 ,  G06T7/80 ,  B60Q2800/10 ,  B60R16/023 ,  B60W2420/40

Abstract: Embodiments of this application provide a method for controlling variable transmittance glass. The method includes: obtaining an elevation angle and a yaw angle of a light source, where the elevation angle indicates an included angle between a direction in which light of the light source is emitted to the target vehicle and a horizontal plane, and the yaw angle indicates an included angle between a connection line between a projection of the light source on the horizontal plane and a centroid of the target vehicle, and a driving direction of the target vehicle; obtaining location information of a target object; obtaining a projection area projected by the target object on the variable transmittance glass based on the location information of the target object, and the elevation angle and the yaw angle of the light source, where the target object is located in the target vehicle.

公开(公告)号：US11943815B2

公开(公告)日：2024-03-26

申请号：US17862832

申请日：2022-07-12

Applicant: Huawei Technologies Co., Ltd.

Inventor： Lei Wang ,  Yan Chen ,  Xiuqiang Xu ,  Yiqun Wu ,  Yi Wang

IPC: H04W74/08 ,  H04W74/00

CPC classification number: H04W74/0833 ,  H04W74/006

Abstract: A communication method and apparatus, the method including sending, by a terminal device, a random access request to a network device, where the random access request includes a random access preamble, control information, and user data, the terminal device is in an inactive state, and the control information includes at least a connection identifier and an authentication identifier, receiving, by the terminal device, a random access response sent by the network device, and performing, by the terminal device, a state transition AND/OR operation corresponding to a message format of the random access response.

公开(公告)号：US11653337B2

公开(公告)日：2023-05-16

申请号：US17037251

申请日：2020-09-29

Applicant: Huawei Technologies Co., Ltd.

Inventor： Ting Wang ,  Zhe Liu ,  Hao Tang ,  Yi Wang

IPC: H04W72/04 ,  H04W72/0446 ,  H04L69/324 ,  H04W72/12

CPC classification number: H04W72/0446 ,  H04L69/324 ,  H04W72/1289

Abstract: Embodiments of this application disclose a time domain resource allocation method. The method may include: determining N pieces of candidate time domain resource information, where N is greater than or equal to 2; and receiving indication information, where the indication information is to be used to determine, from the N pieces of candidate time domain resource information, a time domain resource allocated to a data channel. For at least one of M frame structure parameters, a time domain resource indicated by at least one of the N pieces of candidate time domain resource information is different from a time domain resource used by at least one of the following signals and/or channels in LTE: a cell-specific reference signal (CRS), a physical downlink control channel (PDCCH), a multimedia broadcast single frequency network (MBSFN), a primary synchronization signal (PSS), a secondary synchronization signal (SSS), and/or a physical broadcast channel (PBCH).

公开(公告)号：US20230079177A1

公开(公告)日：2023-03-16

申请号：US18057234

申请日：2022-11-21

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yi Wang ,  Yingjie Yu ,  Su Huang ,  Yinghao Guo

IPC: H04W64/00 ,  H04W72/12 ,  H04W8/02 ,  H04W48/16

Abstract: This application discloses an indoor-outdoor determining-based uplink transmission method and apparatus. A terminal device or a positioning device determines whether the terminal device is located indoors or outdoors. The terminal device or the positioning device sends a first message to an access network device, where the first message includes a first information element, and the first information element indicates whether the terminal device is located indoors or outdoors. The access network device determines an access parameter of the terminal device based on the first information element, where the access parameter includes an access frequency. According to the method disclosed in embodiments of this application, uplink transmission of the terminal device in a proper frequency band is implemented, and communication interference is reduced.