Patents by Inventor Xiaolin Hou

Xiaolin Hou 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).

  • TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION
    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
  • TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION
    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
  • TERMINAL, RADIO COMMUNICATION METHOD, BASE STATION, AND SYSTEM
    Publication number: 20230099086
    Abstract: A terminal is disclosed that includes a receiver that receives downlink control information (DCI) scheduling a physical downlink shared channel (PDSCH). The terminal also includes a processor that, when the DCI is cyclic redundancy check (CRC) scrambled by a radio network temporary identifier used to choose a modulation and coding scheme (MCS) table (MCS-RNTI), determines, based on the MCS-RNTI, a downlink phase tracking reference signal (PT-RS) position for the PDSCH. In other aspects, a radio communication method, a base station, and a system are also disclosed.
    Type: Application
    Filed: November 23, 2022
    Publication date: March 30, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Shohei Yoshioka, Satoshi Nagata, Lihui Wang, Xiaolin Hou
  • TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION
    Publication number: 20230095357
    Abstract: A terminal according to one aspect of the present disclosure includes: a receiving section that receives either signal of a secondary synchronization signal (SSS) and a channel state information (CSI)-reference signal (RS); and a control section that performs measurement of a layer 1 (L1)-signal-to-interference plus noise ratio (SINR) on the basis of the signal. The Ll-SINR is obtained by dividing a linear average over power contributions of resource elements that carry the signal, by a linear average of power contributions of noise and interference. The noise and interference is a total received power of a resource indicated by a higher layer.
    Type: Application
    Filed: February 18, 2021
    Publication date: March 30, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Xiaolin Hou
  • TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION
    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
  • Base station and radio communication method
    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
  • TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION
    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
  • TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION
    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
  • TERMINAL AND RADIO COMMUNICATION METHOD
    Publication number: 20230085090
    Abstract: A terminal according to an aspect of the present disclosure includes a receiving section that receives demodulation reference signal (DMRS) information relating to at least one resource of a DMRS, to which at least one DMRS a first precoder for a beam is applied and a second precoder for superposing signals for a plurality of terminals in the beam is not applied, and a control section that demodulates a physical downlink shared channel (PDSCH) to which the first precoder and the second precoder are applied, based on the DMRS and information relating to the second precoder. According to an aspect of the present disclosure, downlink throughput using the MIMO can be improved.
    Type: Application
    Filed: December 13, 2019
    Publication date: March 16, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Wenjia Liu, Lu Jiang, Xiaolin Hou
  • TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION
    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
  • TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION
    Publication number: 20230071430
    Abstract: A terminal according to an aspect of the present disclosure includes: a control section that determines to use differential L1-SINR-based reporting in a channel state information (CSI) report when group-based beam reporting is enabled in association with layer 1 signal to interference plus noise ratio (L1-SINR) reporting; and a transmitting section that transmits the CSI report. According to an aspect of the present disclosure, a CSI report for an SINR related to group-based beam reporting can be suitably used.
    Type: Application
    Filed: February 13, 2020
    Publication date: March 9, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Xiaolin Hou
  • RADIO COMMUNICATION NODE
    Publication number: 20230072350
    Abstract: A radio communication node is disclosed including a transmitting/receiving unit that transmits/receives a radio signal to/from an upper node forming an integrated access backhaul; and a control unit that reports, to the upper node, power control information used for transmission power control of a downlink in the upper node.
    Type: Application
    Filed: February 13, 2020
    Publication date: March 9, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Daisuke Kurita, Hiroki Harada, Weiqi Sun, Jing Wang, Xiaolin Hou
  • User terminal
    Patent number: 11601964
    Abstract: A user terminal according to one aspect of the present disclosure includes: a receiving section that receives configuration information of a cell group; and a control section that controls monitoring of downlink control information (DCI) including cyclic redundancy check (CRC) bits scrambled by a certain identifier included in the configuration information in a search space configured in a cell in the cell group.
    Type: Grant
    Filed: May 10, 2018
    Date of Patent: March 7, 2023
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Lihui Wang, Xiaolin Hou
  • TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION
    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
  • TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION
    Publication number: 20230069690
    Abstract: A terminal according to one aspect of the present disclosure includes a receiving section that receives information regarding a repetition factor and information regarding a redundancy version sequence used for a repetition transmission, and a control section that determines, when the repetition factor is greater than eight, a transmission occasion at which initial transmission of a transport block can be started from a plurality of transmission occasions corresponding to the repetition factor based on at least one of the redundancy version sequence and the repetition factor.
    Type: Application
    Filed: February 10, 2020
    Publication date: March 2, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Takahashi, Satoshi Nagata, Lihui Wang, Xiaolin Hou
  • TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION
    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
  • TERMINAL AND COMMUNICATION METHOD
    Publication number: 20230054553
    Abstract: A terminal includes a reception section that receives downlink feedback information (DFI); and a control section that terminates repetition of data in uplink transmission in a case where an acknowledgement (ACK) is detected in the DFI. In other aspects, a base station, a radio communication method, and a radio communication system comprising a terminal and a base station are also disclosed.
    Type: Application
    Filed: February 6, 2020
    Publication date: February 23, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Shinya Kumagai, Satoshi Nagata, Lihui Wang, Xiaolin Hou
  • TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION
    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
  • TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION
    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
  • User terminal and radio communication method
    Patent number: 11589340
    Abstract: A user terminal according to one aspect of the present disclosure includes a receiving section that monitors a control resource set (CORESET) associated with an active bandwidth part (BWP), and a control section that determines a CORESET to monitor in a period during switching the active BWP from a first BWP to a second BWP. According to one aspect of the present disclosure, reduction in communication throughput and the like can be suppressed even if control based on BWPs is performed.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: February 21, 2023
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Lihui Wang, Xiaolin Hou