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).

  • User terminal and radio communication method
    Patent number: 11212046
    Abstract: A terminal in communication with a base station is disclosed including a transmitter that transmits uplink control information using an uplink control channel, and a processor that independently controls, based on information transmitted from the base station, application of intra-slot frequency hopping for the uplink control channel, and application of inter-slot frequency hopping for the uplink control channel. In other aspects, a base station in communication with a terminal and a radio communication method for a terminal in communication with a base station are also disclosed.
    Type: Grant
    Filed: May 2, 2017
    Date of Patent: December 28, 2021
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Lihui Wang, Xiaolin Hou
  • Base station and user equipment
    Patent number: 11212794
    Abstract: In one aspect, a user equipment is disclosed including a control unit configured to precode an uplink reference signal based on a downlink reference signal, and a transmission unit configured to transmit the precoded uplink reference signal. In another aspect, a transmission method is disclosed including precoding an uplink reference signal based on a downlink reference signal, and transmitting the precoded uplink reference signal.
    Type: Grant
    Filed: May 6, 2019
    Date of Patent: December 28, 2021
    Assignee: NTT DOCOMO, INC.
    Inventors: Yuichi Kakishima, Kazuki Takeda, Satoshi Nagata, Xin Wang, Chongning Na, Xiaolin Hou, Huiling Jiang
  • Communication method and corresponding user terminal, and base station
    Patent number: 11211970
    Abstract: The present disclosure provides a communication method and a corresponding user terminal, and a base station. The communication method performed by the user terminal includes receiving information about modulation and coding from the base station; and determining a spreading parameter for the user terminal according to the information about modulation and coding, wherein the spreading parameter is used for the user terminal to spread symbols.
    Type: Grant
    Filed: July 16, 2018
    Date of Patent: December 28, 2021
    Assignee: NTT DOCOMO, INC.
    Inventors: Runxin Wang, Wenjia Liu, Xiaolin Hou
  • USER TERMINAL
    Publication number: 20210400652
    Abstract: A user terminal according to one aspect of the present disclosure includes: a receiving section that receives a plurality of downlink control information that indicate time units in a slot; and a control section that determines at least one of a codebook and an uplink control channel resource, the codebook being mapped with a plurality of transmission acknowledgement information for a plurality of downlink shared channels respectively scheduled by the plurality of downlink control information, and the uplink control channel resource being used to transmit the plurality of transmission acknowledgement information.
    Type: Application
    Filed: November 9, 2018
    Publication date: December 23, 2021
    Applicant: NTT DOCOMO, INC.
    Inventors: Shohei YOSHIOKA, Satoshi NAGATA, Shaozhen GUO, Xiaolin HOU
  • USER TERMINAL AND RADIO COMMUNICATION METHOD
    Publication number: 20210392514
    Abstract: A user terminal according to an aspect of the present disclosure includes: a transmitting section that transmits a measurement result of a reference signal measured by applying a spatial domain filter; and a control section that assumes, when having low latency beam selection configured by higher layer signaling and receiving confirmation information regarding the measurement result at time T, that a spatial domain filter of a given channel after a time when a second time has elapsed from the time T is the same as a spatial domain filter corresponding to the latest measurement result transmitted before a time going back by a first time from the time T. According to an aspect of the present disclosure, a TCI-state of a channel, QCL assumption, or a beam can be switched at high speed.
    Type: Application
    Filed: September 27, 2018
    Publication date: December 16, 2021
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Xiaolin Hou
  • TERMINAL AND COMMUNICATION METHOD
    Publication number: 20210392601
    Abstract: A terminal includes: a reception section that receives adjustment information for adjusting a communication timing based on a reference time; and a control section that controls a granularity of adjusting the communication timing according to a size of the adjustment information.
    Type: Application
    Filed: October 16, 2018
    Publication date: December 16, 2021
    Applicant: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Tooru Uchino, Hideaki Takahashi, Lihui Wang, Shaozhen Guo, Xiaolin Hou
  • METHOD AND DEVICE FOR WIRELESS COMMUNICATION
    Publication number: 20210385794
    Abstract: The present application provides a method and device for wireless communication. A method performed by a communication device includes: acquiring a first parameter, so that the communication device determines whether the communication device can serve as a first-type communication device according to the first parameter, the first-type communication device being used to control a second-type communication device; and determining whether the communication device can serve as a first-type communication device at least according to the first parameter.
    Type: Application
    Filed: January 4, 2019
    Publication date: December 9, 2021
    Applicant: NTT DOCOMO, INC.
    Inventors: Huan Wang, Yanru Wang, Xiaolin Hou, Shohei Yoshioka
  • USER TERMINAL AND RADIO COMMUNICATION METHOD
    Publication number: 20210378006
    Abstract: A user terminal includes: a receiving section that receives configuration information regarding a plurality of configured grant configurations, the configuration information including at least one of a hybrid automatic repeat request (HARQ) process ID offset for derivation of a HARQ process ID of uplink data, a start time offset for derivation of a transmission start time of the uplink data, or a transmission power control (TPC) index for identification of TPC of the uplink data; and a control section that uses one configured grant configuration based on an uplink data occurrence timing, out of the plurality of configured grant configurations, for transmission of the uplink data, on the basis of the configuration information. According to one aspect of the present disclosure, configuration of a plurality of configured grants can be appropriately performed.
    Type: Application
    Filed: November 1, 2018
    Publication date: December 2, 2021
    Applicant: NTT DOCOMO, INC.
    Inventors: Kazuki TAKEDA, Satoshi NAGATA, Lihui WANG, Xiaolin HOU
  • TRANSMISSION APPARATUS AND RECEPTION APPARATUS
    Publication number: 20210377937
    Abstract: A transmitting apparatus includes a transmitting section that transmits a physical shared channel for which data mapping type B and a plurality of repetitions are configured, and a control section that performs control to perform the plurality of repetitions in one slot in a case that a time resource of the physical shared channel satisfies a certain condition.
    Type: Application
    Filed: April 5, 2018
    Publication date: December 2, 2021
    Applicant: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Lihui Wang, Xiaolin Hou
  • RADIO BASE STATION AND RADIO COMMUNICATION METHOD
    Publication number: 20210377991
    Abstract: An aspect of a radio base station according to the present invention includes a receiving section that receives a plurality of pieces of uplink control information (UCI) corresponding to a plurality of communications from a user terminal by using an uplink control channel or an uplink shared channel, and a control section that controls scheduling of at least one of the plurality of communications such that transmission timings of the plurality of pieces of UCI in the user terminal do not overlap each other.
    Type: Application
    Filed: December 27, 2017
    Publication date: December 2, 2021
    Applicant: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Lihui Wang, Xiaolin Hou
  • Reception apparatus and transmission apparatus
    Patent number: 11184205
    Abstract: A receiving apparatus includes a receiving section that receives a data signal, a demodulation reference signal, and a specific signal in at least one of a plurality of layers, and a control section that, based on the demodulation reference signal and the specific signal, estimates interference, controls transmission of a result of the estimation, and performs a modulo operation of the data signal.
    Type: Grant
    Filed: May 10, 2018
    Date of Patent: November 23, 2021
    Assignee: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Xin Wang, Jing Wang, Xiaolin Hou
  • USER TERMINAL
    Publication number: 20210359808
    Abstract: A user terminal according to one aspect of the present disclosure includes: a reception section that receives a plurality of codewords generated based on a same transport block using a plurality of layers respectively associated with a plurality of antenna ports for demodulation reference signals; and a control section that controls soft combining of the plurality of codewords.
    Type: Application
    Filed: October 10, 2018
    Publication date: November 18, 2021
    Applicant: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Yuki Matsumura, Satoshi Nagata, Lihui Wang, Xiaolin Hou
  • USER TERMINAL AND RADIO COMMUNICATION METHOD
    Publication number: 20210345391
    Abstract: According to an aspect of the present disclosure, downlink control information with a particular format can be appropriately monitored. A user terminal includes a receiving section that monitors, in a first cell, first downlink control information for scheduling of a shared channel in a second cell and that monitors, in at least one of the first cell and the second cell, second downlink control information indicating control of at least one of a slot format, preemption, and transmission power, and a control section that performs the control on the second cell, based on the second downlink control information.
    Type: Application
    Filed: September 10, 2018
    Publication date: November 4, 2021
    Applicant: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Lihui Wang, Xiaolin Hou
  • TERMINAL AND COMMUNICATION METHOD
    Publication number: 20210345278
    Abstract: Provided is a terminal that includes a reception section which receives adjustment information for adjusting a communication timing that is based on a reference point in time, and a control section which determines a specific timing for receiving the adjustment information.
    Type: Application
    Filed: October 16, 2018
    Publication date: November 4, 2021
    Applicant: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Tooru Uchino, Hideaki Takahashi, Lihui Wang, Shaozhen Guo, Xiaolin Hou
  • USER TERMINAL
    Publication number: 20210345306
    Abstract: In order to appropriately control repetition transmission using one or more transmission/reception points, user terminal according to one aspect of the present disclosure includes: a control section that determines a given condition applied to each repetition of repetition transmission based on a set of transmission parameters configured for each repetition and information included in downlink control information instructing the repetition transmission; and a receiving section that receives a downlink shared channel repeatedly transmitted from one or more transmission/reception points based on the given condition.
    Type: Application
    Filed: September 28, 2018
    Publication date: November 4, 2021
    Applicant: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Lihui Wang, Shaozhen Guo, Xiaolin Hou
  • USER TERMINAL AND RADIO COMMUNICATION METHOD
    Publication number: 20210345305
    Abstract: A user terminal according to one aspect of the present disclosure includes a reception section that receives first downlink control information (DCI) for a first communication service, and a control section that controls processing based on the first DCI on the assumption that the first DCI has been adjusted to be equal in size to second DCI for a second communication service. According to one aspect of the present disclosure, it is possible to suitably perform URLLC communication.
    Type: Application
    Filed: September 28, 2018
    Publication date: November 4, 2021
    Applicant: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Lihui Wang, Xiaolin Hou
  • USER TERMINAL AND RADIO COMMUNICATION METHOD
    Publication number: 20210336726
    Abstract: According to one aspect of the present disclosure, a user terminal includes a control section that determines, when an uplink control channel (PUCCH) repetition and a dynamic hybrid automatic repeat reQuest acknowledgement (HARQ-ACK) codebook are configured, a codebook for PUCCH transmission per slot based on at least one of a total downlink assignment index (T-DAI), a counter downlink assignment index (C-DAI), a timing from reception of a physical downlink shared channel (PDSCH) to transmission of the HARQ-ACK corresponding to the PDSCH and repetition factor, and a transmitting section that transmits HARQ-ACK based on the codebook by applying PUCCH repetition to the HARQ-ACK. According to one aspect of the present disclosure, it is possible to appropriately transmit the UCI even when the PUCCH repetition is used.
    Type: Application
    Filed: July 30, 2018
    Publication date: October 28, 2021
    Applicant: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Lihui Wang, Shaozhen Guo, Xiaolin Hou
  • User terminal and radio communication method
    Patent number: 11159199
    Abstract: A terminal is disclosed including a processor that determines an offset for a second frequency hop in a frequency hopping on an uplink shared channel based on an uplink Bandwidth Part (UL BWP) configuration; and a transmitter that transmits the uplink shared channel, wherein the UL BWP configuration includes information indicating a number of physical resource blocks (PRBs) in the UL BWP. In other aspects, a base station and a radio communication method for a terminal are also disclosed.
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: October 26, 2021
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Lihui Wang, Xiaolin Hou
  • User terminal and radio communication method
    Patent number: 11160073
    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. In other aspects, a radio communication method for a terminal is also disclosed.
    Type: Grant
    Filed: August 2, 2017
    Date of Patent: October 26, 2021
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Lihui Wang, Xiaolin Hou
  • USER EQUIPMENT AND BASE STATION APPARATUS
    Publication number: 20210329648
    Abstract: A user equipment includes a receiving unit that receives information indicating a resource to be used for inter-terminal direct communication; and a transmitting unit that executes a transmission in the inter-terminal direct communication based on the information indicating the resource, wherein the information indicating the resource is a semi-static UE (User Equipment) dedicated configuration or a dynamic configuration that includes information in which the resource to be used for the inter-terminal direct communication is overwritten on an uplink resource or a flexible resource that is to be time division multiplexed in a semi-static UE common configuration.
    Type: Application
    Filed: September 11, 2018
    Publication date: October 21, 2021
    Applicant: NTT DOCOMO, INC.
    Inventors: Ryosuke Osawa, Shaozhen Guo, Huan Wang, Xiaolin Hou