公开(公告)号：US20240224211A1

公开(公告)日：2024-07-04

申请号：US18557437

申请日：2022-04-28

Applicant: Toyota Jidosha Kabushiki Kaisha

Inventor： Andreas FALKENBERG

IPC: H04W56/00

CPC classification number: H04W56/0045

Abstract: Apparatus and methods are provided that perform Doppler shift measurements and correction between a user equipment (UE) and a satellite in a Non-Terrestrial Network (NTN). In one embodiment, the UE performs measurements to compute the Doppler shift, and transmits the Doppler shift to the satellite. In another embodiment, the satellite measures the Doppler shift for each UE, and transmits the Doppler shifts to each UE.

公开(公告)号：US20240187946A1

公开(公告)日：2024-06-06

申请号：US18419271

申请日：2024-01-22

Applicant: Toyota Jidosha Kabushiki Kaisha

Inventor： Andreas FALKENBERG

IPC: H04W36/00 ,  H04W4/44 ,  H04W4/46 ,  H04W24/08 ,  H04W24/10 ,  H04W28/02 ,  H04W28/08 ,  H04W36/14 ,  H04W36/30 ,  H04W36/36 ,  H04W76/14 ,  H04W76/15 ,  H04W84/02 ,  H04W88/04 ,  H04W88/06 ,  H04W88/08 ,  H04W92/02 ,  H04W92/10 ,  H04W92/18 ,  H04W92/20

CPC classification number: H04W36/03 ,  H04W4/44 ,  H04W4/46 ,  H04W24/08 ,  H04W24/10 ,  H04W28/0205 ,  H04W28/0875 ,  H04W36/0055 ,  H04W36/0058 ,  H04W36/0064 ,  H04W36/0085 ,  H04W36/144 ,  H04W36/30 ,  H04W36/362 ,  H04W76/14 ,  H04W76/15 ,  H04W84/02 ,  H04W88/04 ,  H04W88/06 ,  H04W88/08 ,  H04W92/02 ,  H04W92/10 ,  H04W92/18 ,  H04W92/20

Abstract: A system, method and apparatus for wireless communications is provided. A user equipment (UE) receives, from a first base station, one or more first messages that include measurement configuration parameters and sidelink parameters associated with a first cell. The UE establishes a sidelink with a second UE based on the sidelink parameters and transmits, to the first base station, a measurement report based on the measurement configuration parameters. Responsive to the measurement report, the UE receives a second message comprising second configuration parameters of a second cell of a second base station. The second configuration parameters do not comprise sidelink parameters. The UE then switches from the first cell of the first base station to the second cell of the second base station. The sidelink of the first cell is handed over to an uplink of the second cell.

公开(公告)号：US20240187291A1

公开(公告)日：2024-06-06

申请号：US18550582

申请日：2022-03-14

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Andreas FALKENBERG

IPC: H04L27/10 ,  H04L27/26

CPC classification number: H04L27/103 ,  H04L27/2613 ,  H04L27/26412

Abstract: A method for phase tracking reference signal (PT-RS) signals transmission includes receiving, by a user equipment (UE) from a base station (BS), one or more messages comprising uplink PT-RS configuration parameters and transmitting, by the UE to the BS, PT-RS signals via radio resources of a physical uplink shared channel (PUSCH). The transmitting is based on: the uplink PT-RS configuration parameters, a PT-RS sequence generation process for generating a PT-RS sequence, wherein the PT-RS sequence is based, on a, chirp signal with a time-varying frequency according to a chirp factor and an PT-RS mapping process for mapping the generated PT-RS sequence to the radio resources of the PUSCH.