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).

  • Publication number: 20220039129
    Abstract: A user terminal according to one aspect of the present disclosure includes a transmitting/receiving section that performs multi-slot transmission or reception of a given channel, and a control section that makes a given assumption related to a change in a transmission configuration indication (TCI) state of the multi-slot transmission or reception. According to one aspect of the present disclosure, the TCI state of a multi-slot channel/signal can be appropriately controlled.
    Type: Application
    Filed: September 13, 2018
    Publication date: February 3, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Lihui Wang, Xiaolin Hou
  • Publication number: 20220039100
    Abstract: A user terminal according to one aspect of the present disclosure includes a receiving section that receives first downlink control information, and a control section that controls, based on the first downlink control information, stopping of the uplink transmission that uses at least some of time and frequency domain resources determined based on second downlink control information received before the first downlink control information or a higher layer parameter.
    Type: Application
    Filed: September 27, 2018
    Publication date: February 3, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Shohei Yoshioka, Kazuki Takeda, Satoshi Nagata, Lihui Wang, Xiaolin Hou
  • Publication number: 20220039138
    Abstract: A user terminal includes: a receiving section that receives at least one signal of a combination of at least one of broadcast data and multicast data and unicast data, control information, and a reference signal in accordance with traffic that aperiodically occurs; and a control section that decodes at least one message from the at least one signal. According to one aspect of the present disclosure, information can be appropriately transmitted in response to the occurrence of traffic.
    Type: Application
    Filed: December 11, 2018
    Publication date: February 3, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Lihui Wang, Xiaolin Hou
  • Publication number: 20220038242
    Abstract: To flexibly configure transmission timings of transmission acknowledgement signals, one aspect of a user terminal according to the present disclosure includes: a control section that determines a transmission timing of a transmission acknowledgement signal for a downlink shared channel in a unit of a given number of symbols shorter than a slot based on downlink control information used to schedule the downlink shared channel; and a transmission section that transmits the transmission acknowledgement signal based on an uplink control channel resource indicated by the downlink control information.
    Type: Application
    Filed: September 28, 2018
    Publication date: February 3, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Shohei Yoshioka, Kazuki Takeda, Satoshi Nagata, Lihui Wang, Xiaolin Hou
  • Publication number: 20220038194
    Abstract: A user terminal according to one aspect of the present disclosure includes: a receiving section that receives at least one signal of a synchronization signal block (SSB) or a channel state information reference signal (CSI-RS); and a control section that measures interference by using the signal in a first resource specified in a specification. According to one aspect of the present disclosure, interference can be measured appropriately.
    Type: Application
    Filed: November 2, 2018
    Publication date: February 3, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Xiaolin Hou
  • Publication number: 20220030591
    Abstract: To properly control half-duplex communication in future radio communication systems, a user terminal according to one aspect of the present disclosure has a receiving section that receives slot format information for designating a slot format of a cell, and a control section that determines a slot format in each cell based on at least one of content designated by each slot format information and a signal type used in transmission of each slot format information, in the case of receiving a plurality of pieces of slot format information.
    Type: Application
    Filed: November 11, 2019
    Publication date: January 27, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Shohei Yoshioka, Satoshi Nagata, Shaozhen Guo, Lihui Wang, Xiaolin Hou
  • Publication number: 20220030553
    Abstract: Provided is a user equipment including a transmitting unit that transmits a packet for terminal-to-terminal direct communication and a control unit that selects a transmission resource for transmitting the packet from candidate resources in a resource selection window having a predetermined range.
    Type: Application
    Filed: February 15, 2019
    Publication date: January 27, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Shohei Yoshioka, Satoshi Nagata, Huan Wang, Xiaolin Hou
  • Publication number: 20220022185
    Abstract: A terminal is disclosed including a receiver that receives configuration information; and a processor that controls receiving processes for Physical Downlink Shared Channel (PDSCH), wherein the processor controls the receiving processes for the PDSCH under an assumption that the PDSCH is not allocated in a first reserved resource corresponding to the first configuration information, when the receiver receives first configuration information about a Bandwidth part (BWP)-specific reserved resource as the configuration information, and controls the receiving processes for the PDSCH under an assumption that the PDSCH is not allocated in a second reserved resource corresponding to the second configuration information, when the receiver receives second configuration information about a cell-specific reserved resource as the configuration information. In other aspects, an apparatus and a system are also disclosed.
    Type: Application
    Filed: September 28, 2021
    Publication date: January 20, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Lihui Wang, Xiaolin Hou
  • Patent number: 11229020
    Abstract: To appropriately control CSI reporting in a case where a configuration different from the configurations in the existing LTE systems is employed for communication, a user terminal includes a receiving section that receives information indicating whether to activate or deactivate channel state information reporting, in at least one of first downlink control information indicating UL transmission specifically to the user terminal, second downlink control information indicating the UL transmission to a plurality of user terminals, and MAC control information, and a control section that controls reporting of channel state information, based on the information indicating whether to activate or deactivate the channel state information reporting.
    Type: Grant
    Filed: November 10, 2017
    Date of Patent: January 18, 2022
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Lihui Wang, Huiling Li, Xiaolin Hou, Chongning Na
  • Publication number: 20220015043
    Abstract: A user equipment includes a transmitting unit configured to transmit a groupcast to a group including a plurality of user equipments, a receiving unit configured to receive a response related to a retransmission control for the groupcast, and a control unit configured to control a leakage power to another channel arranged by frequency division with a channel via which a response related to the retransmission control for the groupcast is received.
    Type: Application
    Filed: January 10, 2019
    Publication date: January 13, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Shohei Yoshioka, Satoshi Nagata, Huan Wang, Xiaolin Hou
  • Publication number: 20220007411
    Abstract: A user terminal includes: a receiving section that receives pieces of configuration information of one or more configured grants; and a control section that controls differentiation of at least one of the pieces of configuration information of the one or more configured grants and a set including the pieces of configuration information of the one or more configured grants.
    Type: Application
    Filed: November 1, 2018
    Publication date: January 6, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Lihui Wang, Xiaolin Hou
  • Publication number: 20220007409
    Abstract: According to one aspect of the present invention, an apparatus is disclosed including a transmitter that transmits a transport block (TB) using a physical uplink shared channel based on a downlink control information, a processor that applies a same symbol allocation across a plurality of slots when transmission of the TB is carried out over the plurality of slots, and an input apparatus that accepts an input, wherein the TB contains information based on the input. In other aspects, a system including an apparatus and a base station is also disclosed.
    Type: Application
    Filed: September 17, 2021
    Publication date: January 6, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Keisuke Saito, Kazuaki Takeda, Kazuki Takeda, Satoshi Nagata, Lihui Wang, Xiaolin Hou
  • Publication number: 20220006690
    Abstract: In order to appropriately control communication even in a case where a BFR procedure is performed on a plurality of cells, a user terminal according to an aspect of the present disclosure includes a transmitting section that transmits a Beam Failure Recovery reQuest (BFRQ) to a cell in which a Radio Link Failure has occurred, and a control section that determines, according to whether or not a given secondary cell that supports uplink control channel transmission is configured, at least one of a cell to which the BFRQ is transmitted or a channel utilized for the BFRQ transmission.
    Type: Application
    Filed: September 28, 2018
    Publication date: January 6, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Xiaolin Hou
  • Publication number: 20220006579
    Abstract: Provided by an embodiment of the present invention are a user equipment and base station that may be used in a wireless communication system, or a method performed by the user equipment and the base station. The user equipment according to the embodiment of the present invention includes: a receiving unit that is configured to receive multiple access signature information for the user equipment from a base station, wherein the multiple access signature information includes correction information indicating a reference signal sequence sent with respect to the user equipment; and a control unit that is configured to determine the reference signal sequence of the user equipment according to the received correction information.
    Type: Application
    Filed: September 28, 2018
    Publication date: January 6, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Runxin Wang, Wenjia Liu, Xiaolin Hou, Daiki Takeda
  • Patent number: 11218268
    Abstract: According to one aspect of the present invention, a terminal has a receiving section that receives configuration information for multiplexing a short uplink control channel having a short time length and a long uplink control channel having a longer time length than the short uplink control channel within a predetermined period, and a control section that decides whether or not to multiplex the short uplink control channel and the long uplink control channel in the predetermined period based on the configuration information. According to one aspect of the present invention, uplink control information can be reported properly even when multiple uplink control channels of varying time lengths are used.
    Type: Grant
    Filed: March 23, 2017
    Date of Patent: January 4, 2022
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Lihui Wang, Xiaolin Hou, Huiling Jiang
  • Patent number: 11218995
    Abstract: A terminal is disclosed including a receiver that receives at least one of first configuration information about a bandwidth part (BWP)-specific reserved resource and second configuration information about a cell-specific reserved resource; and a processor that controls receiving processes for Physical Downlink Shared Channel (PDSCH) under an assumption that the PDSCH is not allocated in a reserved resource corresponding to the at least one of the first configuration information and the second configuration information, wherein the reserved resource is at least one of following: a whole of a given BWP in a period; a part of the given BWP in the period; and not included in the given BWP in the period. In other aspects, a radio communication method for a terminal is also disclosed.
    Type: Grant
    Filed: August 2, 2017
    Date of Patent: January 4, 2022
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Lihui Wang, Xiaolin Hou
  • Publication number: 20210410177
    Abstract: A user terminal includes a control section that determines at least one of a plurality of configured grant configurations based on at least one of a type of traffic and traffic occurrence timing, and a transmission section that performs transmission by using the determined configured grant configuration. According to the aspect of the present disclosure, the operation can be appropriately performed even when the plurality of configured grants are configured.
    Type: Application
    Filed: September 27, 2018
    Publication date: December 30, 2021
    Applicant: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Lihui Wang, Xiaolin Hou
  • Publication number: 20210410170
    Abstract: A user terminal is disclosed including a receiving section receiving a plurality of PDSCHs (Physical Downlink Shared Channels), and a control section assuming that when a time offset between reception of corresponding downlink control information and reception of the PDSCH is smaller than a certain threshold value for each PDSCH, demodulation reference signal (DMRS) ports of PDSCH of a serving cell are quasi co-located with reference signal(s) in a TCI (Transmission Configuration Indication) state with respect to QCL parameter(s) used for QCL (Quasi-Co-Location) indication for PDCCH (Physical Downlink Control Channel) of a lowest CORESET-ID of a certain panel ID (Identifier) in a latest slot in which one or more CORESETs (COntrol REsource SETs) within an active BWP (Bandwidth Part) of the serving cell are configured in the user terminal. According to one aspect of the present disclosure, DL communication can be preferably performed even when a multi-panel/TRP is used.
    Type: Application
    Filed: October 31, 2018
    Publication date: December 30, 2021
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Xiaolin Hou
  • Publication number: 20210409175
    Abstract: A user terminal according to one aspect of the present disclosure includes a reception section that receives a plurality of aperiodic channel state information-reference signals (AP CSI-RS) and a control section that determines, when a time offset between reception of corresponding downlink control information and reception of the AP CSI-RS is smaller than a given threshold for each AP CSI-RS, a default QCL (Quasi-Co-Location) assumption of the AP CSI-RS based on a specific signal or channel of a given panel ID (Identifier). According to one aspect of the present disclosure, DL communication can be preferably performed even when a multi-panel/TRP is used.
    Type: Application
    Filed: October 31, 2018
    Publication date: December 30, 2021
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Xiaolin Hou
  • Publication number: 20210409098
    Abstract: To switch a TCI state, QCL assumption, or a beam of a channel at high speed, a user terminal according to one aspect of the present disclosure includes: a receiving section that receives information regarding a plurality of reference signals associated with one or more Transmission Configuration Indicator (TCI) states; and a control section that controls reception of a downlink physical channel assuming quasi-co-location with at least one of the plurality of reference signals.
    Type: Application
    Filed: November 2, 2018
    Publication date: December 30, 2021
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Xiaolin Hou