Patents by Inventor Shaozhen Guo

Shaozhen Guo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20230130217
    Abstract: A terminal according to an aspect of the present disclosure includes: a receiving section that receives information relating to a physical downlink shared channel (PDSCH); and a control section that uses, when medium access control (MAC) control element (CE) is indicated and the information satisfies an applicable condition, a specific transmission configuration indication (TCI) state based on the MAC CE for receiving the PDSCH instead of a TCI state indicated for the PDSCH. According to an aspect of the present disclosure, QCL parameters can be appropriately determined.
    Type: Application
    Filed: March 19, 2020
    Publication date: April 27, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Shaozhen Guo
  • Publication number: 20230119019
    Abstract: A terminal according to an aspect of the present disclosure includes: a receiving section that receives information relating to an uplink signal; and a control section that uses, when medium access control (MAC) control element (CE) is indicated and the information satisfies an applicable condition, a specific spatial relation based on the MAC CE for transmitting the uplink signal instead of a spatial relation indicated for the uplink signal. According to an aspect of the present disclosure, QCL parameters can be appropriately determined.
    Type: Application
    Filed: March 19, 2020
    Publication date: April 20, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Shaozhen Guo
  • Publication number: 20230115642
    Abstract: A terminal according to an aspect of the present disclosure includes: a receiving section that receives at least one of first information relating to a physical downlink shared channel (PDSCH) and second information relating to an uplink signal; and a control section that uses, when the first information satisfies a first condition, a first Quasi-Co-Location (QCL) parameter for receiving the PDSCH, instead of a QCL parameter indicated for the PDSCH, and uses, when the second information satisfies a second condition, a second QCL parameter for transmitting the uplink signal, instead of a QCL parameter indicated for the uplink signal, in which the first QCL parameter and the second QCL parameter are equal. According to an aspect of the present disclosure, QCL parameters can be appropriately determined.
    Type: Application
    Filed: March 19, 2020
    Publication date: April 13, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Shaozhen Guo
  • Publication number: 20230104029
    Abstract: A terminal according to one aspect of the present disclosure includes a control section that, when more than two sounding reference signal (SRS) resources for codebook-based transmission or more than four SRS resources for non-codebook-based transmission are configured, determines a size of an SRS resource indicator (SRI) field in downlink control information to indicate the transmission, and a transmitting section that performs the transmission on the basis of an SRS resource indicated by the SRI field. According to one aspect of the present disclosure, it is possible to appropriately designate an SRS spatial relation.
    Type: Application
    Filed: January 24, 2020
    Publication date: April 6, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Shaozhen Guo, Jing Wang, Xiaolin Hou
  • Publication number: 20230094549
    Abstract: According to an aspect of the present disclosure, there is provided a terminal including: a receiving section configured to receive information giving an instruction on activation or deactivation of a panel; and a control section configured to perform control to perform a communication operation using the panel or a communication operation not using the panel after a certain offset period with reference to at least one of a reception timing of the information and a transmission timing of a delivery confirmation signal for the information.
    Type: Application
    Filed: March 6, 2020
    Publication date: March 30, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Weiqi Sun, Shaozhen Guo, Jing Wang, Xiaolin Hou
  • Publication number: 20230098912
    Abstract: A terminal according to an aspect of the present disclosure includes: a control section that determines one or more default spatial relations to be applied to transmission occasions of repetition transmission of a physical uplink control channel (PUCCH); and a transmitting section that performs the repetition transmission by using a spatial domain transmission filter based on the one or more default spatial relations. According to an aspect of the present disclosure, repetition UL transmission can be appropriately controlled.
    Type: Application
    Filed: March 13, 2020
    Publication date: March 30, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Shaozhen Guo, Jing Wang
  • Publication number: 20230086798
    Abstract: A terminal according to one aspect of the present disclosure includes a control section that determines spatial relation information for a physical uplink shared channel (PUSCH) for a plurality of transmission/reception points by using at least one of radio resource control (RRC) signaling, medium access control (MAC) signaling, and downlink control information (DCI), and a transmitting section that repeatedly transmits the PUSCH by using a spatial domain transmission filter based on the spatial relation information. According to one aspect of the present disclosure, PUSCH repetition transmission can be appropriately controlled.
    Type: Application
    Filed: February 28, 2020
    Publication date: March 23, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Shaozhen Guo, Jing Wang, Xiaolin Hou
  • Patent number: 11611412
    Abstract: According to one aspect of the present disclosure, a base station includes a transmitting section that transmits an uplink control channel (PUCCH: Physical Uplink Control Channel) repetition and configuration information for configuring a dynamic hybrid automatic repeat reQuest acknowledgement (HARQ-ACK) codebook to a user terminal, and a control section that controls scheduling of at least one of downlink control information and a downlink shared channel for the user terminal so that the user terminal uses one PUCCH format or a codebook that does not exceed a given codebook size in a given period to perform the PUCCH repetition. According to one aspect of the present disclosure, it is possible to appropriately transmit the UCI even when the PUCCH repetition is used.
    Type: Grant
    Filed: July 30, 2018
    Date of Patent: March 21, 2023
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Lihui Wang, Shaozhen Guo, Xiaolin Hou
  • Publication number: 20230083588
    Abstract: A terminal according to an aspect of the present disclosure includes a control section that detects that a power parameter for an uplink transmission beam does not satisfy maximum permissible exposure (MPE) requirements, and a transmitting section that transmits a first report related to the detection by using at least one of a dedicated uplink resource and a medium access control-control element (MAC CE). According to an aspect of the present disclosure, information related to the MPE problem of the UL transmission beam/panel can be appropriately reported.
    Type: Application
    Filed: January 24, 2020
    Publication date: March 16, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Shaozhen Guo, Xiaolin Hou
  • Publication number: 20230081169
    Abstract: A terminal according to an aspect of the present disclosure includes: a transmitting section that transmits a channel state information (CSI) report including CSI for each group; and a control section that determines whether or not resources in a group can be simultaneously received. According to an aspect of the present disclosure, a CSI report related to group-based beam reporting can be suitably used.
    Type: Application
    Filed: February 21, 2020
    Publication date: March 16, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Shaozhen Guo, Weiqi Sun, Xiaolin Hou
  • Publication number: 20230075610
    Abstract: A terminal according to one aspect of the present disclosure includes: a receiving section that performs channel state information (CSI) measurement regarding a plurality of panels; and a control section that determines which results of the CSI measurement related to which panel are to be included in a CSI report. According to one aspect of the present disclosure, a panel specific CSI report can be appropriately used.
    Type: Application
    Filed: February 4, 2020
    Publication date: March 9, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Weiqi Sun, Shaozhen Guo, Jing Wang, Xiaolin Hou
  • Patent number: 11601892
    Abstract: A user apparatus in a wireless communication system including a base station and a user apparatus, includes a signal reception part that receives, from the base station, a plurality of power control parameters that become candidates for power control parameters to be used by the user apparatus, a transmission power determination part that selects power control parameters to be used, from the plurality of power control parameters, and determines a transmission power of a UL signal, based on the selected power control parameters and a pathloss estimation value, and a signal transmission part that transmits the UL signal using the transmission power determined by the transmission power determination part.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: March 7, 2023
    Assignee: NTT DOCOMO, INC.
    Inventors: Shinpei Yasukawa, Satoshi Nagata, Ryosuke Osawa, Shaozhen Guo
  • Publication number: 20230069636
    Abstract: A terminal according to one aspect of the present disclosure includes a control section that, when two or more different control resource set (CORESET) pool indices are configured and a radio link monitoring reference signal (RLM-RS) is not configured, uses one or more reference signals for an active transmission configuration indication (TCI) state associated with a lowest CORESET pool index for radio link monitoring, and a receiving section that receives the one or more reference signals. According to one aspect of the present disclosure, a radio link can be appropriately monitored.
    Type: Application
    Filed: February 13, 2020
    Publication date: March 2, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Shaozhen Guo, Jing Wang, Xiaolin Hou
  • Publication number: 20230059757
    Abstract: A terminal according to one embodiment of the present disclosure includes a receiving section that receives at least one of spatial relation information of an uplink shared channel and information related to a repetition factor, and a control section that controls, when a plurality of the spatial relation information is configured, different spatial relation information to be applied to a plurality of uplink shared channels to which repetition transmission is applied.
    Type: Application
    Filed: February 28, 2020
    Publication date: February 23, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Shaozhen Guo, Jing Wang, Xiaolin Hou
  • Publication number: 20230058303
    Abstract: A terminal according to an aspect of the present disclosure includes: a receiving section that receives information indicating a spatial relation between a reference reference signal (RS) and a target RS with respect to uplink (UL) and downlink (DL) transmission configuration indication (TCI) states; and a control section that controls to apply the TCI states to a UL channel and the target RS based on the information. According to the aspect of the present disclosure, appropriate UL transmission can be implemented.
    Type: Application
    Filed: January 24, 2020
    Publication date: February 23, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Shaozhen Guo, Xiaolin Hou
  • Publication number: 20230058930
    Abstract: A terminal according to an aspect of the present disclosure includes a transmitting section that transmits information indicating beams satisfying maximum permitted exposure (MPE) requirements, and a control section that selects a beam to be used from the beams satisfying the MPE requirements. According to an aspect of the present disclosure, MPE can be addressed without losing UL coverage.
    Type: Application
    Filed: January 24, 2020
    Publication date: February 23, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Shaozhen Guo, Xiaolin Hou
  • Publication number: 20230042336
    Abstract: A terminal according to one aspect of the present disclosure includes: a receiving section that receives configuration information indicating whether or not to include an identifier of a panel related to a CSI report in the CSI report; and a transmitting section that transmits the CSI report including the identifier of the panel when the configuration information is received. According to one aspect of the present disclosure, a panel specific CSI report can be appropriately used.
    Type: Application
    Filed: February 4, 2020
    Publication date: February 9, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Weiqi Sun, Shaozhen Guo, Jing Wang, Xiaolin Hou
  • Publication number: 20230033141
    Abstract: A terminal according to an aspect of the present disclosure includes: a receiving section that receives information indicating a spatial relation between a reference reference signal (RS) and an uplink (UL) target RS with respect to a UL transmission configuration indication (TCI) state; and a control section that controls to apply the TCI state to a UL channel and the UL target RS based on the information. According to the aspect of the present disclosure, appropriate UL transmission can be implemented.
    Type: Application
    Filed: January 24, 2020
    Publication date: February 2, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Shaozhen Guo, Xiaolin Hou
  • Publication number: 20220408472
    Abstract: One aspect of a terminal of the present disclosure includes a receiving section that receives downlink control information including a time domain resource allocation (TDRA) field, and a control section determines a size of the TDRA field, based on information notified by higher layer signaling.
    Type: Application
    Filed: November 15, 2019
    Publication date: December 22, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Shaozhen Guo
  • Publication number: 20220407636
    Abstract: A terminal includes a reception unit that receives, from a base station, a plurality of DCIs for scheduling a DL resource, an UL resource, and an SL resource, and DL data transmitted in a DL resource scheduled by the DCI, a transmission unit that multiplexes a HARQ response corresponding to the DL data, and a HARQ response corresponding to at least one of the SL resource or SL data that is transmitted in the SL resource, and transmits the multiplexed HARQ response to the base station via a UL shared channel in the UL resource scheduled by the DCI, and a control unit that determines a HARQ codebook, based on a DAI included in the DCI that schedules the UL resource, among the plurality of DCIs, and the DAI is assumed to be determined based on specific DCI among the plurality of DCIs.
    Type: Application
    Filed: November 8, 2019
    Publication date: December 22, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Shohei Yoshioka, Satoshi Nagata, Shaozhen Guo