公开(公告)号：US20250088250A1

公开(公告)日：2025-03-13

申请号：US18952940

申请日：2024-11-19

Applicant: VIVO MOBILE COMMUNICATION CO., LTD.

Inventor： Jiangwei YUAN ,  Hao WU

IPC: H04B7/06 ,  H04B7/024

Abstract: This application discloses a PMI parameter feedback method and apparatus for multi-TRP joint transmission, a terminal, and a network side device, which belong to the field of wireless communications. The PMI parameter feedback method for multi-TRP joint transmission in embodiments of this application includes: obtaining, by a terminal, target PMI parameters corresponding to multiple reference signals, where the multiple reference signals are reference signals configured for determining a target PMI parameter for joint transmission, one of the reference signals is associated with one TRP, and the multiple reference signals comprise a first reference signal and a second reference signal; obtaining, by the terminal, an offset of a first target PMI parameter corresponding to the first reference signal relative to a second target PMI parameter corresponding to the second reference signal;and transmitting, by the terminal, the second target PMI parameter and the offset.

公开(公告)号：US20230246759A1

公开(公告)日：2023-08-03

申请号：US18299309

申请日：2023-04-12

Applicant: VIVO MOBILE COMMUNICATION CO., LTD.

Inventor： Jiangwei YUAN ,  Yang SONG ,  Peng SUN

IPC: H04L5/00

CPC classification number: H04L5/0035 ,  H04L5/0053

Abstract: This application relates to the field of communications technologies, and discloses a method and apparatus for processing channel state information, and a terminal. The method includes: transmitting, based on uplink channel, a multi transmission-reception point channel state information MTRP CSI report to multiple transmission-reception points TRPs, where the MTRP CSI report includes multiple CSI parameters.

公开(公告)号：US20240030985A1

公开(公告)日：2024-01-25

申请号：US18476664

申请日：2023-09-28

Applicant: VIVO MOBILE COMMUNICATION CO., LTD.

Inventor： Jiangwei YUAN ,  Yang SONG ,  Rakesh TAMRAKAR ,  Hao DU

IPC: H04B7/06 ,  H04B17/345 ,  H04W24/10

CPC classification number: H04B7/0626 ,  H04B17/345 ,  H04W24/10

Abstract: This application discloses a CSI feedback method, a related device, and a readable storage medium, and pertains to the field of communication technologies. The method of this application may include: obtaining, by a terminal, N CSI report configurations, where the N CSI report configurations are used for determining M pieces of first information; and sending, by the terminal, a first CSI report, where the first CSI report is calculated based on the M pieces of first information, the first information is any one of the following: first reference signal resource, and first parameter corresponding to the first reference signal resource; N is a positive integer; and M is an integer greater than 1.

公开(公告)号：US20230247467A1

公开(公告)日：2023-08-03

申请号：US18133861

申请日：2023-04-12

Applicant: VIVO MOBILE COMMUNICATION CO., LTD.

Inventor： Jiangwei YUAN ,  Yang SONG ,  Peng SUN

IPC: H04W24/10 ,  H04L5/00

CPC classification number: H04W24/10 ,  H04L5/0053 ,  H04L5/0051

Abstract: A method and apparatus for determining channel state information, a method and apparatus for determining a reporting setting, and a related device, and pertains to the field of communication technologies. The method for determining channel state information includes: determining a first channel state information CSI report, where the first CSI report is determined according to at least one of the following mappings: a mapping between multiple groups of channel measurement resources CMRs and multiple groups of interference measurement resources IMRs; or a mapping between multiple groups of CMRs and one group of IMRs, where each group of CMRs includes one or more CMRs, and each group of IMRs includes one or more IMRs.

公开(公告)号：US20250105889A1

公开(公告)日：2025-03-27

申请号：US18972325

申请日：2024-12-06

Applicant: VIVO MOBILE COMMUNICATION CO., LTD.

Inventor： Jiangwei YUAN ,  Hao WU

IPC: H04B7/0456 ,  H04B7/06

Abstract: A PMI parameter feedback method for joint transmission, a terminal, and a network-side device. The PMI parameter feedback method for joint transmission in embodiments of this application includes: performing, by a terminal, channel measurement based on M target resources configured by a network-side device, where the target resources include measurement resources or a measurement resource group, and M is an integer greater than 1; obtaining, by the terminal, a first PMI parameter of an ith target resource based on a channel measurement result of the ith target resource among the M target resources, where i=1, 2, . . . , N, N is an integer less than or equal to M, and the first PMI parameter includes: a quantity Mv,i of basis vectors; and sending, by the terminal, the first PMI parameter of the ith target resource.

公开(公告)号：US20240284230A1

公开(公告)日：2024-08-22

申请号：US18648315

申请日：2024-04-26

Applicant: VIVO MOBILE COMMUNICATION CO., LTD.

Inventor： Jiangwei YUAN ,  Qianyao REN ,  Kaili ZHENG

IPC: H04W24/10 ,  H04W72/0446

CPC classification number: H04W24/10 ,  H04W72/0446

Abstract: A channel information reporting method, a terminal scheduling method, and a terminal are provided. The channel information reporting method includes: obtaining, by the terminal, to-be-reported target time domain information based on a first report configuration. The target time domain information is used to indicate channel change characteristics at a plurality of occasions. The channel information reporting method further includes reporting, by the terminal, a first report on a target resource. The first report includes the target time domain information, and the target resource is a reporting resource indicated by the first report configuration.

公开(公告)号：US20240007166A1

公开(公告)日：2024-01-04

申请号：US18470629

申请日：2023-09-20

Applicant: VIVO MOBILE COMMUNICATION CO., LTD.

Inventor： Jiangwei YUAN ,  Yang SONG ,  Peng SUN ,  Rakesh TAMRAKAR

IPC: H04B7/06 ,  H04W24/08

CPC classification number: H04B7/0626 ,  H04W24/08

Abstract: A CSI feedback method and apparatus, a device, and a readable storage medium are disclosed. The method includes: feeding back, by a terminal, one or more CSI reports to a network-side device, where the CSI report includes a first field corresponding to a first measurement hypothesis, where the first measurement hypothesis includes: X STRP measurement hypotheses and one joint transmission measurement hypothesis, where X is a natural number; or the first measurement hypothesis is one of all STRP measurement hypotheses and joint transmission measurement hypotheses.

公开(公告)号：US20250055516A1

公开(公告)日：2025-02-13

申请号：US18926358

申请日：2024-10-25

Applicant: VIVO MOBILE COMMUNICATION CO., LTD.

Inventor： Jiangwei YUAN ,  Yang SONG

IPC: H04B7/0456 ,  H04B7/06

Abstract: A PMI feedback method for multi-TRP transmission, a terminal, and a network-side device are provided. The method includes: determining, by a terminal based on target parameters configured by a network side for a plurality of TRPs permitting joint transmission, an orthogonal beam group set corresponding to each TRP; selecting, based on channel information of each TRP, a target orthogonal beam group corresponding to the TRP from the orthogonal beam group set corresponding to the TRP, and selecting a predetermined quantity of target orthogonal beams corresponding to the TRP from the target orthogonal beam group; determining a first feedback parameter for feeding back target orthogonal beam groups corresponding to the plurality of TRPs and a second feedback parameter for feeding back the predetermined quantity of target orthogonal beams; and sending, by the terminal, a PMI parameter, where the PMI parameter includes the first feedback parameter and the second feedback parameter.

公开(公告)号：US20240275551A1

公开(公告)日：2024-08-15

申请号：US18641593

申请日：2024-04-22

Applicant: VIVO MOBILE COMMUNICATION CO., LTD.

Inventor： Kaili ZHENG ,  Jiangwei YUAN ,  Qianyao REN ,  Rakesh TAMRAKAR

IPC: H04L5/00 ,  H04W24/10

CPC classification number: H04L5/0051 ,  H04W24/10

Abstract: A channel state information CSI measurement method, a terminal, and a network-side device. The CSI measurement method of embodiments of this application includes: sending, by the network-side device, CSI measurement configuration information to the terminal, where the CSI measurement configuration information is used for configuring a target CSI measurement resource associated with measurement of target CSI information; and receiving, by the network-side device, the target CSI information from the terminal. The target CSI information includes at least one of the following: Doppler shift, Doppler spread, Doppler spectrum, time domain channel correlation matrix, delay spread, average delay, delay spectrum, and frequency domain channel correlation matrix.

公开(公告)号：US20240022302A1

公开(公告)日：2024-01-18

申请号：US18476644

申请日：2023-09-28

Applicant: VIVO MOBILE COMMUNICATION CO., LTD.

Inventor： Chenxi WANG ,  Yang SONG ,  Peng SUN ,  Rakesh TAMRAKAR ,  Jiangwei YUAN

IPC: H04B7/06 ,  H04W24/10

CPC classification number: H04B7/0626 ,  H04W24/10

Abstract: A channel state information CSI report mapping method, a terminal, and a network-side device. The CSI report mapping method in embodiments of this application includes: a terminal feeds back X CSI reports to a network-side device through a target channel according to a preset mapping rule, where the CSI report includes at least one of the following: information for indicating a beam reporting type and information about target beams; the target beams include at least one of the following: N pairs of first beams that can be simultaneously received by the terminal, and M second beams whose measurement values satisfy a predetermined condition, where N is a positive integer greater than or equal to 1, and X and M are positive integers; and the preset mapping rule is a mapping rule that matches the beam reporting type.