公开(公告)号：US20240340969A1

公开(公告)日：2024-10-10

申请号：US18742163

申请日：2024-06-13

Applicant: VIVO MOBILE COMMUNICATION CO., LTD.

Inventor： Xueming PAN ,  Kai WU ,  Rakesh TAMRAKAR

IPC: H04W74/0833 ,  H04L5/00

CPC classification number: H04W74/0833 ,  H04L5/0005

Abstract: A PRACH transmission method and apparatus, and a terminal. The PRACH transmission method in embodiments of this application includes: A terminal determines transmit power of a physical random access channel PRACH repetition transmission based on a target parameter. The target parameter includes at least one parameter for the PRACH repetition transmission. The terminal performs the PRACH repetition transmission based on the transmit power of the PRACH repetition transmission.

公开(公告)号：US20240244631A1

公开(公告)日：2024-07-18

申请号：US18619940

申请日：2024-03-28

Applicant: VIVO MOBILE COMMUNICATION CO., LTD.

Inventor： Hao LIU ,  Rakesh TAMRAKAR ,  Peng SUN ,  Zhi LU ,  Gen LI

IPC: H04W72/23 ,  H04B7/06 ,  H04L5/00

CPC classification number: H04W72/23 ,  H04B7/0626 ,  H04L5/0007

Abstract: This application discloses a behavior determining method and apparatus, and a related device. The method includes: obtaining, by a terminal, target information, where the target information is associated with a plurality of candidate resources for PDCCH repetition transmission; and determining, by the terminal, a terminal behavior based on the target information.

公开(公告)号：US20220150841A1

公开(公告)日：2022-05-12

申请号：US17586318

申请日：2022-01-27

Applicant: VIVO MOBILE COMMUNICATION CO.,LTD.

Inventor： Xiaodong SUN ,  Rakesh TAMRAKAR ,  Peng SUN

IPC: H04W52/14 ,  H04W52/36 ,  H04L5/00

Abstract: Embodiments of this disclosure disclose an uplink full-power transmission method and a device. The method is applied to a terminal device and includes: performing uplink transmission based on an uplink transmit power obtained through scaling by a power scaling coefficient, where the power scaling coefficient is determined based on a power control factor, and the power control factor includes at least one of the following: an uplink full-power transmission capability of the terminal device, a supported transmission precoding matrix indicator TPMI reported by the terminal device, a TPMI delivered by a network device, a working mode reported by the terminal device, or the number of antenna ports for each SRS resource in a sounding reference signal SRS resource set that is configured by the network device based on the working mode.

公开(公告)号：US20250039815A1

公开(公告)日：2025-01-30

申请号：US18914312

申请日：2024-10-14

Applicant: VIVO MOBILE COMMUNICATION CO., LTD.

Inventor： Chenxi WANG ,  Peng SUN ,  Rakesh TAMRAKAR

IPC: H04W56/00 ,  H04L5/00 ,  H04W74/0833

Abstract: This application discloses an information obtaining method and apparatus, an information sending method and apparatus, a terminal, and a network-side device, pertaining to the field of communication technologies. The information obtaining method in embodiments of this application includes: receiving, by a terminal, target signaling sent by a network-side device; and obtaining, by the terminal, a timing advance TA value of the terminal for a first object according to the target signaling; where the target signaling is signaling obtained before the terminal accesses the first object.

公开(公告)号：US20250030516A1

公开(公告)日：2025-01-23

申请号：US18905257

申请日：2024-10-03

Applicant: VIVO MOBILE COMMUNICATION CO., LTD.

Inventor： Rongrong SUN ,  Hao LIU ,  Rakesh TAMRAKAR ,  Yang SONG

IPC: H04L5/00 ,  H04W72/02

Abstract: A port determining method and apparatus, a terminal, and a readable storage medium. The port determining method according to embodiments of this application includes: determining, by a terminal, a scheme used for uplink transmission; and determining a demodulation reference signal (DMRS) port for the uplink transmission according to the scheme.

公开(公告)号：US20240356703A1

公开(公告)日：2024-10-24

申请号：US18754144

申请日：2024-06-25

Applicant: VIVO MOBILE COMMUNICATION CO., LTD.

Inventor： Rongrong SUN ,  Peng SUN ,  Rakesh TAMRAKAR

IPC: H04L5/00

CPC classification number: H04L5/0051

Abstract: This application discloses a reference signal port indication method, a terminal, and a network side device. The reference signal port indication method includes: receiving, by a terminal, target signaling, where the target signaling includes an antenna port indicator field, and the antenna port indicator field is used to indicate a demodulation reference signal (DMRS) port of an uplink channel; and determining, by the terminal, at least two DMRS port groups based on the antenna port indicator field, or determining an uplink transmission mode of the terminal based on the antenna port indicator field.

公开(公告)号：US20240322971A1

公开(公告)日：2024-09-26

申请号：US18736642

申请日：2024-06-07

Applicant: VIVO MOBILE COMMUNICATION CO., LTD.

Inventor： Yuan SHI ,  Rakesh TAMRAKAR

IPC: H04L5/00 ,  H04W8/22

CPC classification number: H04L5/0051 ,  H04W8/22

Abstract: This application discloses an SRS resource configuration method and apparatus, a terminal, and a network side device, and pertains to the field of wireless communication technologies. The SRS resource configuration method according to the embodiments of this application includes: receiving, by a network side device, a supported antenna switching capability for SRS reported by a terminal; determining, by the network side device based on the antenna switching capability, the number of SRS resource sets configured for the terminal; and sending, by the network side device, SRS configuration information to the terminal, where the SRS configuration information indicates the number of the SRS resource sets.

公开(公告)号：US20240022460A1

公开(公告)日：2024-01-18

申请号：US18373949

申请日：2023-09-27

Applicant: VIVO MOBILE COMMUNICATION CO., LTD.

Inventor： Yuan SHI ,  Rakesh TAMRAKAR ,  Peng SUN

IPC: H04L27/26

CPC classification number: H04L27/2605 ,  H04L27/2613

Abstract: The present application discloses a guard period determination method and apparatus, a terminal, and a storage medium. The guard period determination method includes: determining, by a terminal, a target guard period between two target sounding reference signal resources; and transmitting, by the terminal, two target sounding reference signals based on the target sounding reference signal resources and the target guard period. The two target sounding reference signal resources are any two sounding reference signal resources that are adjacent in the time domain within an antenna switching group; and one antenna switching group includes all sounding reference signal resources used to detect one piece of complete channel state information, and all sounding reference signal resources in the one antenna switching group are of the same resource type.

公开(公告)号：US20230261836A1

公开(公告)日：2023-08-17

申请号：US18138034

申请日：2023-04-21

Applicant: VIVO MOBILE COMMUNICATION CO., LTD.

Inventor： Hao LIU ,  Peng SUN ,  Rakesh TAMRAKAR

IPC: H04L5/00

CPC classification number: H04L5/0051

Abstract: A resource configuration method, an apparatus, a device, and a readable storage medium are provided. The method includes: receiving DCI; and determining, based on higher layer level signaling or the DCI, that a PUSCH transmission scheduled by the DCI is associated with one or more SRS resources.

公开(公告)号：US20230239767A1

公开(公告)日：2023-07-27

申请号：US18126999

申请日：2023-03-27

Applicant: VIVO MOBILE COMMUNICATION CO., LTD.

Inventor： Li CHEN ,  Xueming PAN ,  Dajie JIANG ,  Rakesh TAMRAKAR ,  Peng SUN ,  Kai WU ,  Xiaodong SHEN ,  Na LI

IPC: H04W48/08 ,  H04L5/00 ,  H04W36/00 ,  H04W48/20

CPC classification number: H04W48/08 ,  H04L5/0048 ,  H04W36/0016 ,  H04W48/20

Abstract: A network access method and a terminal are provided. The network access method performed by the terminal includes receiving a reference signal transmitted by a network-side device. The reference signal includes a first reference signal, or includes a first reference signal and a second reference signal. The first reference signal is an Single-Frequency Network (SFN)-specific reference signal, or the second reference signal is a cell or Transmission Reception Point (cell/TRP)-specific reference signal. The network access method further includes performing an initial access-related operation based on the received reference signal.