公开(公告)号：US20220263570A1

公开(公告)日：2022-08-18

申请号：US17737840

申请日：2022-05-05

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xiaolu WANG ,  Hejia LUO ,  Chenlei XU ,  Jianwei ZHOU ,  Xueliang SHI

IPC: H04B7/185 ,  H04W56/00 ,  H04J3/06 ,  H04W74/08

Abstract: The disclosure provides satellite communication methods and related devices. One example method includes that a device receives a first common timing advance (TA) parameter and a first common TA change amount calculation parameter, where the first common TA parameter is used to obtain a first common TA, and the first common TA change amount calculation parameter is used to update the first common TA to obtain an updated common TA. The device sends a random access preamble by using the updated common TA.

公开(公告)号：US20230353237A1

公开(公告)日：2023-11-02

申请号：US18221137

申请日：2023-07-12

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Ying CHEN ,  Xueliang SHI ,  Yunfei QIAO ,  Jun WANG ,  Yu WANG ,  Hejia LUO

IPC: H04B7/185 ,  H04W28/02 ,  H04B7/204

CPC classification number: H04B7/18545 ,  H04B7/2041 ,  H04W28/0226

Abstract: A first communication apparatus obtains first ephemeris information of a second communication apparatus, where the first ephemeris information includes information about m parameters of n parameters in second ephemeris information, n is equal to 6, and m is a positive integer less than n, and the n parameters include a first location parameter, a first location parameter, and a first location parameter in first location information, and a first velocity parameter, a first velocity parameter, and a first velocity parameter in first velocity information. The first communication apparatus determines values of the n parameters in the second ephemeris information based on the first ephemeris information, where the values of the n parameters include values of the m parameters and values of remaining n-m parameters. The first communication apparatus communicates with the second communication apparatus based on the second ephemeris information.

公开(公告)号：US20220417817A1

公开(公告)日：2022-12-29

申请号：US17898952

申请日：2022-08-30

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xiaolu WANG ,  Hejia LUO ,  Yu WANG ,  Ying CHEN ,  Xueliang SHI

IPC: H04W36/30 ,  H04W36/00

Abstract: A gateway station switching method and apparatus. When quality of a link from a terminal device to a source gateway station through a satellite is poor, the source gateway station sends third indication information to a target gateway station, so that the target gateway station feeds back second channel quality to the source gateway station, that is, quality of a link from the terminal device to the target gateway station through the satellite. The source gateway station determines, based on the second channel quality and first channel quality that represents the quality of the link from the terminal device to the source gateway station through the satellite, whether to switch the terminal device to the target gateway station.

公开(公告)号：US20180309193A1

公开(公告)日：2018-10-25

申请号：US16018664

申请日：2018-06-26

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Geyi WEN ,  Jun WANG ,  Ming ZHANG ,  Xueliang SHI

IPC: H01Q1/24 ,  H01Q5/371 ,  H01Q5/378 ,  H01Q21/06

Abstract: This application describes examples of antenna modules, MIMO antennas, and terminals. One example antenna module includes a clearance area, a support, and at least two branches. Each branch is disposed on the support, and a partial projection of the support on a horizontal plane falls within the clearance area, while a projection on the horizontal plane of one end that is of each branch and that is configured to connect to a feed point is outside the clearance area. A projection of a tail end on the horizontal plane is inside the clearance area.