公开(公告)号：US20200068539A1

公开(公告)日：2020-02-27

申请号：US16668939

申请日：2019-10-30

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Fengwei LIU ,  Lei CHEN

IPC: H04W72/04 ,  H04L5/00 ,  H04W76/27 ,  H04W72/00 ,  H04W72/12

Abstract: The present disclosure relates to control information sending methods in a wireless communications system. In one example waveform control information sending method, a network device obtains control information that includes uplink transmission waveform indication information, and sends the control information to a terminal. After receiving the control information, the terminal determines, based on the control information, a waveform used to send uplink data.

公开(公告)号：US20190357271A1

公开(公告)日：2019-11-21

申请号：US16530649

申请日：2019-08-02

Applicant: Huawei Technologies Co., Ltd.

Inventor： Mao YAN ,  Lei CHEN

IPC: H04W74/08 ,  H04L12/24 ,  H04W72/10

Abstract: Embodiments of the present invention disclose a random access preamble sending method and an apparatus. The method includes: sending, by user equipment, a first random access preamble to a network device, where the first random access preamble is used by the user equipment to access the network device; and when the user equipment fails in accessing the network device by using the first random access preamble, sending at least one second random access preamble to the network device, where access characteristic information of each second random access preamble is different from that of the first random access preamble, the access characteristic information includes at least one of a time length, a transmit beam, and a random access resource, and the at least one second random access preamble is used by the user equipment to access the network device. In the embodiments of the present invention, a problem of a random access failure in a future wireless communications network caused by the fact that a random access preamble does not arrive at the network device is resolved, thereby increasing a probability that the random access preamble arrives at the network device and increasing a random access success rate.

公开(公告)号：US20190228014A1

公开(公告)日：2019-07-25

申请号：US16370343

申请日：2019-03-29

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Wenjie LIU ,  Jiansheng WEI ,  Xiaofei ZHANG ,  Lei CHEN

IPC: G06F16/2453 ,  G06F16/2455 ,  G06F16/22

Abstract: A control method for performing a multi-table join operation and a corresponding apparatus are disclosed. Fields in a table whose fields participating in a theta join operation and used in the query statement meet a first preset condition are decomposed, to obtain a plurality of first field groups, so that the theta join operation can be implemented in steps in a form of the plurality of field groups. This can reduce a data amount of Cartesian product calculation during one join operation, greatly reduce network transmission overheads, computing overheads, and memory overheads, and improve execution efficiency.

公开(公告)号：US20170331649A1

公开(公告)日：2017-11-16

申请号：US15663177

申请日：2017-07-28

Applicant: Huawei Technologies Co., Ltd.

Inventor： Daiming QU ,  Fang WANG ,  Tao JIANG ,  Lei CHEN

IPC: H04L25/03

CPC classification number: H04L25/03159 ,  H04L25/03

Abstract: Embodiments of the present invention provide a data processing method and apparatus. The method includes: selecting at least two groups of data from a to-be-processed data stream according to a preset first interval in a staggered manner; performing Fourier transform on each of the at least two groups of data to obtain at least two groups of first data; performing frequency domain filtering on the at least two groups of first data by using a prototype filter, to obtain at least two groups of second data; performing inverse Fourier transform on each of the at least two groups of second data to obtain at least two groups of third data; and adding the at least two groups of third data according to a preset second interval in a staggered manner. In the process, data obtained after transform reserves a feature of a single carrier, and has a low peak-to-average ratio.

公开(公告)号：US20250113318A1

公开(公告)日：2025-04-03

申请号：US18979153

申请日：2024-12-12

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Shitong YUAN ,  Bo FAN ,  Lei CHEN ,  Fang LI

IPC: H04W56/00 ,  H04W72/0446 ,  H04W72/1268

Abstract: A communication method includes receiving an absolute timing advance command from a network device, and determining one of two uplink sending timing advances according to the absolute timing advance command. The absolute timing advance command includes a first field useable to indicate information about an uplink sending timing advance, and a second field useable to indicate a timing advance group identifier. The timing advance group identifier is associated with the one of the two uplink sending timing advances.

公开(公告)号：US20250097992A1

公开(公告)日：2025-03-20

申请号：US18969002

申请日：2024-12-04

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Chenwan LI ,  Jun CHEN ,  Lei CHEN ,  Bingzhao LI ,  Yiling WU ,  Hantao LI

IPC: H04W74/0833 ,  H04W40/10

Abstract: A communication method and apparatus are provided. The method includes: A network device sends first signaling, indicating a terminal device to initiate random access on a first random access occasion; after receiving the first signaling, if the terminal device cannot complete the random access or data transmission after the random access, for example, stored energy of the terminal device is insufficient, the terminal device may send first indication information to the network device, indicating that a first terminal device cannot complete the random access or data transmission after the random access; and after receiving the first indication information, the network device may send second signaling, indicating the terminal device to initiate random access on a next random access occasion (namely, a second random access occasion) after the first random access occasion.

公开(公告)号：US20250039841A1

公开(公告)日：2025-01-30

申请号：US18911363

申请日：2024-10-10

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Chenwan LI ,  Lei CHEN ,  Yiling WU

IPC: H04W68/00 ,  H04W68/02

Abstract: The technology of this application relates to a paging method and an apparatus. A first device sends first signaling used to page a terminal device. The first signaling includes memory information or an identifier of the terminal device, to indicate the to-be-paged terminal device. In addition, the terminal device may further determine a first resource based on the first signaling, to send uplink data by using the first resource. The first device may also receive, on the first resource, the uplink data from the terminal device. The terminal device may determine the first resource based on the first signaling is equivalent to the first device allocating a resource to the terminal device. In this way, steps needing to be performed for data transmission between the terminal device and the first device are reduced.

公开(公告)号：US20240357574A1

公开(公告)日：2024-10-24

申请号：US18760580

申请日：2024-07-01

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Hongyu XIANG ,  Lei CHEN ,  Bingzhao LI ,  Chenwan LI

IPC: H04W72/0457 ,  H04W74/0833 ,  H04W76/20

CPC classification number: H04W72/0457 ,  H04W74/0833 ,  H04W76/20

Abstract: A communication method includes determining, by an access network device, that first information from a terminal device is not received in a first bandwidth part (BWP). The first BWP is an active BWP for the terminal device. The first BWP does not include common search space (CSS) used to transmit a system information block (SIB). The first information is associated with a system information update. The communication method also includes sending, by the access network device, updated system information to the terminal device in the first BWP in response to determining that the first information is not received.

公开(公告)号：US20240205701A1

公开(公告)日：2024-06-20

申请号：US18589751

申请日：2024-02-28

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Bin XU ,  Lei CHEN ,  Chenwan LI

IPC: H04W24/04 ,  H04W72/542

CPC classification number: H04W24/04 ,  H04W72/542

Abstract: This application provides a communication method and apparatus. The communication method includes: A network device sends a first message to a first terminal device UE, where the first message includes information about a first resource, and the first resource is to be used to transmit a second message; and when the network device receives the second message from the first UE by using the first resource, the network device determines that the first UE is not faulty, where the second message indicates that the first UE is not faulty. Therefore, the network device may determine, based on the second message sent by the first UE, that the first UE is not faulty. This ensures that service reliability is not affected by a fault of a terminal device, avoids forced termination of service transmission, and ensures transmission reliability.

公开(公告)号：US20240195568A1

公开(公告)日：2024-06-13

申请号：US18400301

申请日：2023-12-29

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Fengwei LIU ,  Lei CHEN ,  Minghui XU

IPC: H04L5/00 ,  H04B7/06

CPC classification number: H04L5/0051 ,  H04B7/0691

Abstract: This disclosure describes a communication processing method. A method according to this disclosure includes: A terminal device determines first weight vectors respectively corresponding to M antenna element set groups. At least one antenna element set group in the M antenna element set groups includes at least two antenna element sets, and a first weight vector corresponding to each of the at least one antenna element set group includes at least two elements. Each element is corresponding to one antenna element set in the antenna element set group, and each element is used to adjust a phase of an antenna element included in the antenna element set corresponding to the element. Different elements correspond to different antenna element sets. M is an integer greater than or equal to 1.