公开(公告)号：US20250141520A1

公开(公告)日：2025-05-01

申请号：US19008897

申请日：2025-01-03

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Ting LI ,  Xiaohan WANG ,  Huangping JIN

IPC: H04B7/06 ,  H04W76/38

Abstract: This application provides a channel state information (CSI) feedback method, a terminal device, and an access network device. The method includes: The terminal device sends first CSI to the access network device, where the first CSI includes indication information of a first basis of statistical eigen subspace, and a period for sending the first CSI is a first period. The terminal device sends second CSI to the access network device, where the second CSI includes indication information of a first linear combination coefficient, and a period for sending the second CSI is a second period. The terminal device updates a second basis to the first basis based on trigger information. The terminal device sends third CSI to the access network device, where the third CSI includes indication information of a second linear combination coefficient, and the third CSI is generated based on the updated second basis.

公开(公告)号：US20200099347A1

公开(公告)日：2020-03-26

申请号：US16696130

申请日：2019-11-26

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Vorobyev ANDREY ,  Yiwei HONG ,  Ting LI

IPC: H03F1/32 ,  H04B1/04 ,  H04B17/336 ,  H04L27/36

Abstract: The present disclosure relates to pre-distortion processing methods and apparatus. One example apparatus includes a first pre-distortion part and a second pre-distortion part. The first pre-distortion part includes N digital pre-distortion (DPD) processors. The first pre-distortion part and the second pre-distortion part perform pre-distortion processing on a signal to support a power amplifier in performing linear amplification on the signal.

公开(公告)号：US20240402292A1

公开(公告)日：2024-12-05

申请号：US18807299

申请日：2024-08-16

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Guanghong CHANG ,  Ting LI ,  Zhiwen CHENG

IPC: G01S7/35 ,  G01S13/58 ,  G01S13/931

Abstract: The present disclosure relates to signal sending methods and apparatuses. One example method includes determining, based on a quantity T of transmit antennas of a radar and a quantity NC of signals transmitted through each transmit antenna in a frame, T codeword sequences that are in a one-to-one correspondence with T transmit antennas, where each of the T codeword sequences includes NC codewords, each codeword sequence is used to process NC signals of a transmit antenna, T>1, NC≥1, both T and NC are integers, a Doppler spectrum corresponding to the T codeword sequences includes a first region corresponding to a main lobe, and a second region and a third region that correspond to side lobes, and a maximum peak value of the side lobe in the second region is less than a maximum peak value of the side lobe in the third region.

公开(公告)号：US20240385305A1

公开(公告)日：2024-11-21

申请号：US18787775

申请日：2024-07-29

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Guanghong CHANG ,  Ting LI ,  Zhiwen CHENG ,  Jiejun ZHAO

IPC: G01S13/34 ,  G01S7/02

Abstract: Example detection apparatuses, terminal devices, and signal processing methods are provided. The detection apparatus, the terminal device, and the signal processing method may be applied to the fields such as autonomous driving, intelligent driving, assisted driving, or connected vehicles. In one example, the detection apparatus includes a transmitter and a receiver. The transmitter is configured to transmit a first signal group and a second signal group, where M first signals included in the first signal group and N second signals included in the second signal group are alternately distributed. The receiver is configured to receive a third signal group obtained after the first signal group is reflected by a target and a fourth signal group obtained after the second signal group is reflected by the target, where the third signal group and the fourth signal group are used to determine association information of the target.

公开(公告)号：US20220221569A1

公开(公告)日：2022-07-14

申请号：US17709228

申请日：2022-03-30

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yikai WANG ,  Qian YIN ,  Ting LI

IPC: G01S13/34 ,  G01S7/40

Abstract: This application relates to a signal sending method, a signal processing method, and a radar apparatus, and pertains to the field of sensor technologies. The radar apparatus includes at least three transmit antennas. The signal sending method includes: determining at least two transmit antenna groups of the radar apparatus, where each transmit antenna group includes at least one transmit antenna; sending signals by using the at least two transmit antenna groups, where the at least two transmit antenna groups send signals in a TDM manner, and a plurality of transmit antennas included in each transmit antenna group including a plurality of transmit antennas in the at least two transmit antenna groups send signals in a CDM manner. Embodiments of this application may be applied to related fields such as autonomous driving, assisted driving, intelligent driving, intelligent connected vehicle, intelligent vehicle, and electric mobile/electric vehicle.