公开(公告)号：US20220201715A1

公开(公告)日：2022-06-23

申请号：US17690719

申请日：2022-03-09

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yi WEI ,  Xueru LI ,  Bingyu QU ,  Di ZHANG ,  Mingxin GONG

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

Abstract: This application provides example reference signal (RS) transmission methods and example communication apparatuses. One example reference signal transmission method includes receiving, by a terminal device, first information in a first time unit, where the first information triggers the terminal device to transmit a RS. The terminal device can then transmit the RS in a second time unit, where the second time unit is indicated by a time offset indicator n in valid uplink transmission time units starting from the first time unit.

公开(公告)号：US20210135726A1

公开(公告)日：2021-05-06

申请号：US17144626

申请日：2021-01-08

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xueru LI ,  Ruiqi ZHANG

IPC: H04B7/06

Abstract: A channel state information reporting method and apparatus are described. The method can include a terminal device obtaining first indication information and sending the first indication information to a network device. The network device receives the first indication information, where the first indication information indicates a differential value between channel state information of a first antenna port set and channel state information of a second antenna port set. The first antenna port set includes x antenna ports of the terminal device, the second antenna port set includes m antenna ports of the terminal device, and the first antenna port set is different from the second antenna port set. The channel state information reporting method and apparatus in embodiments of this application help improve accuracy of channel state information obtained by a network device, and improve data transmission performance.

公开(公告)号：US20200119787A1

公开(公告)日：2020-04-16

申请号：US16696334

申请日：2019-11-26

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Ruiqi ZHANG ,  Xueru LI ,  Di ZHANG

IPC: H04B7/0456 ,  H04B7/06 ,  H04B7/0413

Abstract: A channel state information sending method, a channel state information receiving method, and a device are disclosed, to reduce resource overheads required when a terminal device feeds back CSI to a network device in a scenario of a high precision codebook—based precoding matrix. The method includes: determining, by a terminal device, a precoding matrix W; sending, by the terminal device, a signal including CSI to a network device; obtaining, by the network device, an RI and indication information based on the signal including the CSI; obtaining, by the network device, a PMI2 based on the RI and the indication information; and determining, by the network device, the precoding matrix W based on the rank indicator RI and the second precoding matrix indicator PMI2.

公开(公告)号：US20200044803A1

公开(公告)日：2020-02-06

申请号：US16579647

申请日：2019-09-23

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xueru LI ,  Jianqin LIU ,  Kunpeng LIU ,  Bingyu QU ,  Yongxing ZHOU

IPC: H04L5/00 ,  H04B7/06 ,  H04B7/0413

Abstract: Embodiments of this application provide a channel state information transmission method, a terminal device, and a network device. The method includes: sending, by a terminal device, a first reference signal through a first antenna port set, where the first antenna port set includes n antenna ports; receiving, by the terminal device, a second reference signal through a second antenna port set, where the second antenna port set includes N antenna ports, and the first antenna port set is a proper subset of the second

公开(公告)号：US20190393941A1

公开(公告)日：2019-12-26

申请号：US16559354

申请日：2019-09-03

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Ruiqi ZHANG ,  Xueru LI

IPC: H04B7/0456 ,  H04B7/06 ,  H04L1/00 ,  H04L5/00

Abstract: This application provides a method for determining a precoding matrix set, so as to avoid a case in which a relatively large quantity of precoding matrices in a precoding matrix set cannot be used, thereby improving system performance. A terminal device receives indication information from a network device, and determines a second precoding matrix set front a first precoding matrix set whose rank is R based on the indication information. Each precoding matrix W in the first precoding matrix set satisfies W=W1×W2, the second precoding matrix set is a proper subset of the first precoding matrix set, and the second precoding matrix set does not include W=W1×W2 that satisfies the specific condition in the first precoding matrix set.

公开(公告)号：US20190335443A1

公开(公告)日：2019-10-31

申请号：US16506588

申请日：2019-07-09

Applicant: Huawei Technologies Co., Ltd.

Inventor： Kunpeng LIU ,  Xueru LI

IPC: H04W72/04 ,  H04L5/00

Abstract: This application provides a wireless communication method, a terminal device, and a network device. The method includes: determining, by a terminal device, a pilot signal corresponding to at least one of a plurality of search sections of a control channel; and detecting, by the terminal device, a control channel candidate in the at least one search section based on a quasi-co-location (QCL) association between the pilot signal corresponding to each search section and the demodulation pilot of the control channel candidate in each search section.

公开(公告)号：US20190230714A1

公开(公告)日：2019-07-25

申请号：US16370430

申请日：2019-03-29

Applicant: Huawei Technologies Co., Ltd.

Inventor： Kunpeng LIU ,  Xueru LI ,  Bingyu QU

IPC: H04W74/08 ,  H04W74/00

Abstract: The present invention provides an access method, a terminal device, and a base station. The method includes: determining, by a terminal device at a current moment, that a preset condition for a link exception is met, and determining that the current moment is within a preconfigured time window; selecting, by the terminal device, one access resource from at least two preconfigured access resources as a target access resource; and sending, by the terminal device, an access signal to the base station by using a time-frequency resource in the target access resource.

公开(公告)号：US20240357567A1

公开(公告)日：2024-10-24

申请号：US18763695

申请日：2024-07-03

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yue WU ,  Xueru LI

IPC: H04W72/0446 ,  H04L5/00 ,  H04L5/14 ,  H04W72/0453

CPC classification number: H04W72/0446 ,  H04L5/0053 ,  H04L5/14 ,  H04W72/0453

Abstract: Example communication methods and apparatus are described. An example communication method includes: a terminal device obtains first information, where the first information indicates a first time-frequency resource occupied by a first data channel in a first frequency band and a second time-frequency resource occupied by a first feedback channel in a second frequency band. The terminal device determines a mapping relationship between a third time-frequency resource and a fourth time-frequency resource based on the first information and an identifier of the terminal device, where the third time-frequency resource is a part or all of the first time-frequency resource, and the fourth time-frequency resource is a part or all of the second time-frequency resource. The terminal device sends the first data channel on the third time-frequency resource, and receives the first feedback channel on the fourth time-frequency resource.

公开(公告)号：US20240179710A1

公开(公告)日：2024-05-30

申请号：US18436403

申请日：2024-02-08

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yanqing ZHANG ,  Xueru LI

IPC: H04W72/20 ,  H04L1/08 ,  H04L1/1812 ,  H04L5/00 ,  H04W72/12

CPC classification number: H04W72/20 ,  H04L1/08 ,  H04L1/1812 ,  H04L5/0053 ,  H04W72/12

Abstract: An information transmission method includes: receiving first configuration information, where the first configuration information includes a first duration, a second duration, and a first cycle, the first duration is less than the first cycle, and the first duration starts at a start moment of the first cycle; and when a time unit corresponding to an end of the first duration is not later than a time unit corresponding to an end of the second duration, and acknowledgment information is a negative acknowledgment (NACK), skipping monitoring, in a next time unit of the time unit corresponding to the end of the second duration, retransmission scheduling control information corresponding to the acknowledgment information.

公开(公告)号：US20240146582A1

公开(公告)日：2024-05-02

申请号：US18547449

申请日：2022-02-11

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Sihai WANG ,  Xueru LI ,  Cheng QIN ,  Rui YANG

IPC: H04L25/02 ,  H04L41/16

CPC classification number: H04L25/024 ,  H04L41/16

Abstract: An information encoding control method includes: receiving first configuration information, where the first configuration information is used to configure N groups of parameters of N artificial intelligence (AI) encoders or an AI decider, and the AI decider is configured to determine an AI encoder that is in the N AI encoders and to which first information is applicable, and/or is configured to determine that none of the N AI encoders is applicable to encoding the first information; and sending first indication information to a network device, where the first indication information indicates that a first encoder is used for encoding the first information, the first encoder is determined based on the first configuration information and the first information, and the first encoder is an encoder in the N AI encoders, or is a second encoder different from the N AI encoders.