公开(公告)号：US20230337163A1

公开(公告)日：2023-10-19

申请号：US18338353

申请日：2023-06-21

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xiaolu Wang ,  Hejia Luo ,  Rong Li ,  Jianglei Ma ,  Jun Wang

IPC: H04W56/00 ,  H04B7/185

CPC classification number: H04W56/0045 ,  H04B7/18513 ,  H04B7/18521 ,  H04W84/06

Abstract: Embodiments of this application provides a communication method and a communication apparatus. The method includes: A second satellite device receives first indication information from a first satellite device, and obtains, based on the first indication information, a first timing pre-compensation value and/or a first frequency pre-compensation value corresponding to at least one first terminal. The second satellite device communicates with the at least one first terminal based on the first timing pre-compensation value and/or the first frequency pre-compensation value.

公开(公告)号：US20230254830A1

公开(公告)日：2023-08-10

申请号：US18301050

申请日：2023-04-14

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xiaolu Wang ,  Hejia Luo ,  Jianwei Zhou ,  Rong Li ,  Jun Wang

IPC: H04W72/0446 ,  H04W72/0453

CPC classification number: H04W72/0446 ,  H04W72/0453 ,  H04W84/06

Abstract: A terminal apparatus receives a parameter that is configured by a network apparatus and that is used to calculate an update period, where the update period is used to indicate time at which the terminal apparatus receives an uplink time-frequency synchronization parameter. The terminal apparatus receives an updated uplink time-frequency synchronization parameter based on the update period. The network apparatus configures the parameter for calculating the update period, so that the terminal apparatus can update the uplink time-frequency synchronization parameter in time.

公开(公告)号：US20230208514A1

公开(公告)日：2023-06-29

申请号：US18176642

申请日：2023-03-01

Applicant: Huawei Technologies Co., Ltd.

Inventor： Chenlei Xu ,  Hejia Luo ,  Jianwei Zhou ,  Xiaolu Wang ,  Jun Wang

IPC: H04B7/204 ,  H04B7/06 ,  H04W52/02

CPC classification number: H04B7/2041 ,  H04B7/0639 ,  H04W52/0235

Abstract: This application provides a satellite communication method and apparatus. A terminal obtains a level-1 broadcast signal from a satellite, where a beam status corresponding to the level-1 broadcast signal is an energy saving state, and the level-1 broadcast signal includes synchronization information. The terminal obtains a level-2 broadcast signal from the satellite, where a beam status corresponding to the level-2 broadcast signal is a broadband communication state. The terminal communicates with the satellite based on the level-2 broadcast signal.