Patents by Inventor Lan Chen

Lan Chen 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: 20230397214
    Abstract: A terminal comprises: a control unit that multiplexes two or more uplink control information having mutually different priorities on an uplink control channel; and a communication unit that transmits an uplink signal using the uplink control channel on which the two or more uplink control information are multiplexed; wherein the control unit determines a number of resource blocks related to the uplink control channel in a separate coding of the two or more uplink control information.
    Type: Application
    Filed: November 11, 2021
    Publication date: December 7, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Takahashi, Satoshi Nagata, Qiping Pi, Jing Wang, Lan Chen
  • Publication number: 20230388820
    Abstract: A terminal according to one aspect of the present disclosure includes a receiving section that receives one or more beam failure detection reference signals (BFD-RSs) corresponding to a plurality of transmission/reception points, and a control section that, when radio link quality of at least part of configured BFD-RSs is less than a threshold value, controls beam failure recovery procedure in units of one transmission/reception point or in units of a transmission/reception point set including a plurality of transmission/reception points.
    Type: Application
    Filed: October 13, 2020
    Publication date: November 30, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Lan Chen
  • Publication number: 20230388932
    Abstract: A radio communication node (100 B) receives a plurality of control parameters of transmission power of a radio signal to an upper node, and controls transmission power by using any of the control parameters based on a transmission/reception pattern of the radio signal with a child node.
    Type: Application
    Filed: October 15, 2020
    Publication date: November 30, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Daisuke Kurita, Hiroki Harada, Weiqi Sun, Jing Wang, Lan Chen
  • Publication number: 20230379898
    Abstract: A terminal includes a receiver configured to receive data according to SPS (Semi Persistent Scheduling); a controller configured to postpone transmission of a first channel for transmitting feedback information with respect to the data until a valid uplink resource is determined, and determine a resource for transmitting the first channel in a case where the postponed first channel is overlapped in a time domain with a second channel, the second channel being another uplink channel; and a transmitter configured to transmit the feedback information to a base station in the determined resource.
    Type: Application
    Filed: November 9, 2021
    Publication date: November 23, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Shinya Kumagai, Satoshi Nagata, Lan Chen, Jing Wang, Qiping Pi
  • Publication number: 20230379098
    Abstract: A terminal according to an aspect of the present disclosure includes: a receiving section configured to receive information regarding skipping of a hybrid automatic repeat request acknowledgement (HARQ-ACK) for a semi-persistent scheduling (SPS) physical downlink shared channel (PDSCH) that is not transmitted; and a control section configured to control HARQ-ACK bundling for a SPS PDSCH that is transmitted, on the basis of information included in downlink control information (DCI). According to one aspect of the present disclosure, it is possible to suitably transmit and receive a semi-persistent scheduling PDSCH and a HARQ-ACK corresponding to the PDSCH.
    Type: Application
    Filed: October 13, 2020
    Publication date: November 23, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Shinya Kumagai, Satoshi Nagata, Lan Chen, Jing Wang, Qiping Pi, Jialin Wu, Yong Li
  • Publication number: 20230379900
    Abstract: A terminal according to an aspect of the present disclosure includes: a receiving section that receives a plurality of configured grant configurations; and a control section that uses one or more spatial relations for transmission based on each of the plurality of configured grant configurations. According to an aspect of the present disclosure, it is possible to appropriately determine a QCL parameter used for a configured grant transmission.
    Type: Application
    Filed: October 9, 2020
    Publication date: November 23, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Weiqi Sun, Jing Wang, Lan Chen
  • Publication number: 20230345280
    Abstract: A terminal according to one aspect of the present disclosure includes a receiving section that receives a report setting associated with a plurality of resources, the plurality of resources being associated with a plurality of spatial domain filters, and a control section that performs measurement in the plurality of resources. According to one aspect of the present disclosure, it is possible to appropriately perform measurement/reporting in a plurality of resources.
    Type: Application
    Filed: August 6, 2020
    Publication date: October 26, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Weiqi Sun, Jing Wang, Lan Chen
  • Publication number: 20230345472
    Abstract: A terminal according to an aspect of the present disclosure includes: a control section that, in a case where a first uplink channel and a plurality of second uplink channels having a lower priority than the first uplink channel and not overlapping in a time domain are overlapping, performs control to map at least one of uplink control information corresponding to each of the plurality of second uplink channels to the first uplink channel; and a transmitting section that uses the first uplink channel to transmit at least one of the uplink control information corresponding to each of the plurality of second uplink channels.
    Type: Application
    Filed: September 16, 2020
    Publication date: October 26, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Takahashi, Satoshi Nagata, Jing Wang, Lan Chen, Jialin Wu, Yong Li
  • Publication number: 20230337238
    Abstract: A terminal according to an aspect of the present disclosure includes: a receiving section configured to receive information on a priority corresponding to a physical uplink control channel; and a control section configured to, when a plurality of the physical uplink control channels having different priorities overlap each other in a time domain, determine, based on a format of each physical uplink control channel, whether or not to transmit uplink control information corresponding to each physical uplink control channel, and the physical uplink control channel to be used for transmission of the uplink control information corresponding to each physical uplink control channel.
    Type: Application
    Filed: August 11, 2020
    Publication date: October 19, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Takahashi, Satoshi Nagata, Jing Wang, Lan Chen
  • Patent number: 11792055
    Abstract: The present disclosure provides a terminal and a base station in a wireless communication system. The terminal may include a control unit configured to input a downlink channel to a neural network of the terminal; and the control unit further configured to control the neural network of the terminal to process the input and output feedback information.
    Type: Grant
    Filed: January 8, 2020
    Date of Patent: October 17, 2023
    Assignee: NTT DOCOMO, INC.
    Inventors: Xin Wang, Jing Wang, Xiaolin Hou, Lan Chen, Anxin Li, Takahiro Asai
  • Publication number: 20230327742
    Abstract: A terminal according to one aspect of the present disclosure includes a control section that, if scheduling offset between reception of a downlink control channel for communication of downlink control information for scheduling an aperiodic channel state information-reference signal (A-CSI-RS) and reception of the A-CSI-RS is less than a threshold determined on the basis of a reported period value for beam switch, and there is a different downlink signal in the same symbol as the A-CSI-RS, and the A-CSI-RS and the different downlink signal are related to the same control resource set (CORESET) pool index, gives priority to quasi-co-location (QCL) for the different downlink signal; and a receiving section that receives the A-CSI-RS. According to one aspect of the present disclosure, collision between a plurality of channels/signals can be handled appropriately.
    Type: Application
    Filed: August 28, 2020
    Publication date: October 12, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Lan Chen
  • Publication number: 20230328539
    Abstract: A terminal according to one aspect of the present disclosure includes a receiving section that receives a plurality of quasi-co-location (QCL) parameters with respect to a control resource set (CORESET), and a control section that uses, in a case where at least one of a physical uplink control channel (PUCCH) and the CORESET satisfies a condition, at least one of the plurality of QCL parameters, in at least one spatial relation of the PUCCH. The one aspect of the present disclosure enables appropriately determining information relating to QCL.
    Type: Application
    Filed: August 28, 2020
    Publication date: October 12, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Weiqi Sun, Jing Wang, Lan Chen
  • Publication number: 20230327834
    Abstract: A terminal according to one aspect of the present disclosure includes a receiving section that monitors a downlink control channel (Physical Downlink Control Channel (PDCCH)) in a control resource set (CORESET), and a control section that does not assume that a CSI-RS resource associated with a non zero power channel state information reference signal (NZP-CSI-RS) resource set in which a higher layer parameter about repetition is on and related to a CORESET pool index same as a CORESET pool index of the CORESET is configured for a symbol configured to monitor the CORESET. According to one aspect of the present disclosure, collision between a plurality of channels/signals can be handled appropriately.
    Type: Application
    Filed: August 28, 2020
    Publication date: October 12, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Lan Chen
  • Publication number: 20230318676
    Abstract: A terminal according to an aspect of the present disclosure includes a receiving section that receives a channel state information (CSI) report configuration indicating that at least one of CSI for a single transmission/reception point (STRP) and CSI for multi-TRP (Multi TRP (MTRP)) is reported, and a control section that performs control to include, in a CSI report, at least one of the CSI for a STRP and the CSI for MTRP, based on information included in the CSI report configuration. According to an aspect of the present disclosure, even when MTRP is used, CSI measurement and report can be appropriately performed.
    Type: Application
    Filed: September 30, 2020
    Publication date: October 5, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Lan Chen
  • Publication number: 20230309111
    Abstract: An aspect of a terminal of the present disclosure includes: a receiver that receives a plurality of pieces of downlink control information respectively transmitted by using a plurality of downlink control channels allocated to different time domains; and a controller that controls at least one of reception and transmission of a physical shared channel scheduled by the plurality of pieces of downlink control information, in which when contents of timing-related information respectively included in the plurality of pieces of downlink control information are identical, the controller determines at least one of a reception timing and a transmission timing of the physical shared channel based on the timing-related information with a specific downlink control channel as a time reference.
    Type: Application
    Filed: August 28, 2020
    Publication date: September 28, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Weiqi Sun, Lan Chen
  • Publication number: 20230309178
    Abstract: A terminal according to one aspect of the present disclosure includes a receiving section that receives a first list and a second list of transmission configuration indication (TCI) states, and a control section that applies one first TCI state in the first list to uplink and downlink and applies one second TCI state in the second list to uplink and downlink. According to one aspect of the present disclosure, it is possible to appropriately determine information related to QCL.
    Type: Application
    Filed: September 11, 2020
    Publication date: September 28, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Lan Chen
  • Publication number: 20230309040
    Abstract: A radio communication node (100 B) configures a number of first symbols to be used for dynamically adjusting transmission timing when performing uplink transmission in a first radio link connected to the upper node, and notifies the upper node thereof.
    Type: Application
    Filed: August 27, 2020
    Publication date: September 28, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Daisuke Kurita, Hiroki Harada, Weiqi Sun, Jing Wang, Lan Chen
  • Publication number: 20230299901
    Abstract: A terminal according to an aspect of the present disclosure includes a receiving section that receives a list of a plurality of serving cells, and receives, for one serving cell of the plurality of serving cells, a medium access control-control element (MAC CE) used for activation of a TCI state for a physical downlink shared channel, and a control section that, when the plurality of serving cells include one or more specific serving cells in which at least one transmission configuration indication (TCI) code point is mapped to two transmission configuration indication (TCI) states, maps one or more TCI state IDs indicated by the MAC CE to a TCI code point of one or more serving cells of the plurality of serving cells. According to an aspect of the present disclosure, TCI states can be appropriately updated.
    Type: Application
    Filed: August 17, 2021
    Publication date: September 21, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Lan Chen
  • Publication number: 20230276371
    Abstract: A terminal according to an aspect of the present disclosure includes a receiving section that receives single downlink control information (DCI) for a plurality of uplink shared channels (Physical Uplink Shared Channels (PUSCHs)), and a control section that controls transmission of the plurality of PUSCHs, based on an extended transmit power control (TPC) command field included in the DCI and spatial relation information (SRI) corresponding to an index associated with the TPC. According to an aspect of the present disclosure, even when multi-TRP is applied, PUSCH repetitive transmission can be appropriately controlled.
    Type: Application
    Filed: August 5, 2020
    Publication date: August 31, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Weiqi Sun, Jing Wang, Lan Chen
  • Patent number: D1005817
    Type: Grant
    Filed: August 20, 2021
    Date of Patent: November 28, 2023
    Inventor: Lan Chen