公开(公告)号：US20230254860A1

公开(公告)日：2023-08-10

申请号：US18189344

申请日：2023-03-24

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xinxian LI ,  Jinlin PENG ,  Li FAN ,  Yu GAO ,  Zhimeng ZHONG

IPC: H04W72/1273 ,  H04L5/00

CPC classification number: H04W72/1273 ,  H04L5/006 ,  H04L5/0098

Abstract: This application relates to the field of communication technologies, and discloses a communication method and apparatus. The method includes: A terminal device works on a plurality of downlink carriers, and the plurality of downlink carriers include a first downlink carrier and a second downlink carrier. The terminal device obtains first channel information, where the first channel information includes second channel information, and the first downlink carrier and the second downlink carrier share the second channel information; and sends the first channel information to an access network device. In this manner, the first downlink carrier and the second downlink carrier support sharing of a part or all of channel information.

公开(公告)号：US20220385505A1

公开(公告)日：2022-12-01

申请号：US17886729

申请日：2022-08-12

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zijie XU ,  Yu GAO ,  Guohua ZHOU ,  Jinlin PENG ,  Shengyue DOU ,  Yubo YANG

IPC: H04L27/00 ,  H04L5/00 ,  H04W16/10

Abstract: A carrier frequency tracking method, a signal transmission method, and a related apparatus. The carrier frequency tracking method includes: a terminal device receives a first tracking reference signal from a first transmission reception apparatus of a single frequency network cell; the terminal device receives a second tracking reference signal from a second transmission reception apparatus of the single frequency network cell, where the first tracking reference signal and the second tracking reference signal occupy different time-frequency resources; and the terminal device performs carrier frequency tracking based on at least one of the first tracking reference signal and the second tracking reference signal.

公开(公告)号：US20230121294A1

公开(公告)日：2023-04-20

申请号：US17988018

申请日：2022-11-16

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zhe LUO ,  Yu GAO ,  Guohua ZHOU

IPC: H04L27/26 ,  H04L5/00

Abstract: Embodiments of this application provide a communication method. The method includes: generating a first reference signal, where the first reference signal is two-dimensional orthogonal to a second reference signal, the second reference signal is a reference signal obtained after delay τ transform and Doppler frequency shift ν transform are performed on the first reference signal in a communication process, 0≤τ≤τmax, 0≤|ν|≤νmax, τ≠0 or ν≠0,τmax is a first threshold, νmax is a second threshold, and |x| represents an absolute value of x; and transmitting the first reference signal.

公开(公告)号：US20200242850A1

公开(公告)日：2020-07-30

申请号：US16852042

申请日：2020-04-17

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xin XIN ,  Yu GAO ,  Jun CHEN

IPC: G06T19/20 ,  G06F3/01

Abstract: Embodiments of the present invention relate to the field of communications technologies, and disclose a method and an apparatus for displaying with a 3D parallax effect, to generate a relatively good 3D parallax effect. A specific solution is: displaying a graphical user interface, where the graphical user interface includes first content, and the first content includes at least two elements; obtaining a first operation instruction which is used for moving, in an area for displaying the first content, at least one first element of the at least two elements; and moving each of the at least one first element by a different distance along a direction of a first straight line, so that the first content has a 3D parallax effect, where the direction of the first straight line is a direction having a preset included angle with a plane in which the graphical user interface is located.

公开(公告)号：US20220393928A1

公开(公告)日：2022-12-08

申请号：US17886727

申请日：2022-08-12

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zijie XU ,  Yu GAO ,  Guohua ZHOU ,  Jinlin PENG ,  Shengyue DOU ,  Yubo YANG

IPC: H04L27/26 ,  H04L5/00

Abstract: A signal demodulation method, a signal transmission method, and a related apparatus. The signal demodulation method includes: a terminal device receives a first tracking reference signal from a first transmission reception apparatus of a single frequency network cell; a second tracking reference signal occupying different time-frequency from the first tracking reference signal from a second transmission reception apparatus of the single frequency network cell; and receives indication information indicating tracking reference signals from the first transmission reception apparatus or the second transmission reception apparatus; determines, based on the one or more tracking reference signals for receiving the downlink signal, a first carrier frequency on which the downlink signal is to be received; receives the demodulation reference signal and the downlink data based on the first carrier frequency; and demodulates the downlink data based on the demodulation signal.

公开(公告)号：US20220393822A1

公开(公告)日：2022-12-08

申请号：US17886453

申请日：2022-08-11

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zijie XU ,  Yu GAO ,  Guohua ZHOU ,  Jinlin PENG ,  Shengyue DOU ,  Xueru LI ,  Xianda LIU

IPC: H04L5/00 ,  H04W72/12

Abstract: A communication method and apparatus improve accuracy of correcting a frequency offset. Configuration information received from a network device provides for configuring one or more uplink reference signal resources each including a first time unit and a second time unit. The first time unit includes a first antenna port. The second time unit includes a second antenna port. An uplink reference signal is sent to the network device based on the configuration information.