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: 20220141625
    Abstract: Provided are a cluster head parameter determination method and a terminal. The terminal includes: a processing unit for determining a cluster head parameter according to link state information of links between the terminal and neighboring terminals, and mobile information of at least some of the neighboring terminals; and a sending unit for sending information of the cluster head parameter.
    Type: Application
    Filed: April 4, 2019
    Publication date: May 5, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Yanru Wang, Xiaolin Hou, Lan Chen, Anxin Li
  • Publication number: 20220140882
    Abstract: In order to appropriately perform a BFR procedure, an aspect of a user terminal of the present disclosure includes: a control section that determines a new candidate beam or a given DL reference signal based on at least one of a DL reference signal transmitted in a given cell and a DL reference signal transmitted in another cell configured in the same given frequency range as the given cell when a beam failure in the given cell is detected; and a transmission section that transmits information related to the new candidate beam or the given DL reference signal.
    Type: Application
    Filed: February 15, 2019
    Publication date: May 5, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Xiaolin Hou
  • Patent number: 11324018
    Abstract: This disclosure provides a terminal and a base station. The base station includes: a processing unit configured to determine scheduling information for a first terminal according to historical information of the first terminal; and a transmitting unit configured to transmit the determined scheduling information to the first terminal.
    Type: Grant
    Filed: May 15, 2020
    Date of Patent: May 3, 2022
    Assignee: NTT DOCOMO, INC.
    Inventors: Lan Chen, Jing Wang, Xin Wang, Anxin Li, Xiaolin Hou, Liling Cai
  • Publication number: 20220132542
    Abstract: One aspect of a user terminal according to the present invention includes: a receiving section that receives downlink control information that is common between groups including one or more user terminals from at least one of a plurality of Transmission/Reception Points (TRPs) that transmit downlink shared channels; and a control section that determines a TRP that becomes an application target of the downlink control information. Consequently, it is possible to appropriately perform a UE-group common signalling even when multiple TRPs are used.
    Type: Application
    Filed: March 14, 2019
    Publication date: April 28, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Xiaolin Hou
  • Patent number: 11317426
    Abstract: According to an aspect of the present invention, there is provided a radio resource scheduling method, wherein the method includes generating format information, wherein the format information specifies a format of resource allocation information, the format corresponding to a number of a plurality of mobile stations that simultaneously perform communication with the radio base station; generating the resource allocation information provided with the format specified by the format information corresponding to radio resources allocated to the plurality of mobile stations; and transmitting, to the plurality of mobile stations, the resource allocation information.
    Type: Grant
    Filed: August 8, 2016
    Date of Patent: April 26, 2022
    Assignee: NTT DOCOMO, INC.
    Inventors: Satoshi Nagata, Yuichi Kakishima, Xin Wang, Chongning Na, Xiaolin Hou, Huiling Jiang
  • Patent number: 11317307
    Abstract: A terminal is disclosed including a receiver that receives downlink control information that triggers channel state information (CSI) reporting using an uplink shared channel; and a processor that controls the CSI reporting based on a given value and transmission timing of at least one of the uplink shared channel and a delivery acknowledgement signal (HARQ-ACK). In other aspects, a radio communication method for a user terminal is also disclosed.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: April 26, 2022
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Lihui Wang, Xiaolin Hou
  • Publication number: 20220124563
    Abstract: A user equipment including a control unit that identifies a resource reserved by another user equipment in a selection window for selecting a resource, and that determines a resource other than the identified resource, as a transmission candidate; and a transmitting unit that transmits a reservation signal for reserving the resource determined as the transmission candidate by using a resource for transmitting the reservation signal, the resource for transmitting the reservation signal being associated with a resource set including the resource determined as the transmission candidate, wherein two or more resources that are usable for transmitting the reservation signal are allocated in a predetermined time domain interval, and the two or more resources are associated with different resource sets that are mutually orthogonal.
    Type: Application
    Filed: February 15, 2019
    Publication date: April 21, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Shohei Yoshioka, Satoshi Nagata, Huan Wang, Xiaolin Hou
  • Publication number: 20220124843
    Abstract: Embodiments of the present disclosure provide a user equipment and a base station that can be used in a wireless communication system, or a method executed by a user equipment and a base station. The user equipment in the embodiments of the present invention includes: a control unit, configured to acquire a multiple access signature, wherein the multiple access signature is determined, from a multiple access signature pool, according to activation information of the user equipment, and the activation information of the user equipment is related to the activation of the user equipment; and a sending unit, configured to use the multiple access signature to send data.
    Type: Application
    Filed: January 18, 2019
    Publication date: April 21, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Neng Ye, Xiangming Li, Wenjia Liu, Xiaolin Hou
  • Publication number: 20220124751
    Abstract: In order to suppress deterioration of communication quality even when communication is performed using a plurality of transmission/reception points, an aspect of user terminal of the present disclosure includes: a reception section that receives given downlink control information including information regarding TCI states corresponding to the plurality of transmission/reception points; and a control section that controls reception of physical shared channels transmitted from the plurality of transmission/reception points based on the given downlink control information.
    Type: Application
    Filed: February 14, 2019
    Publication date: April 21, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Xiaolin Hou
  • Patent number: 11310839
    Abstract: The present disclosure provides a grant-free transmission method, a user equipment, and a base station. The grant-free transmission method at a user equipment side includes: step a, sending a first multiple access signature selected by a user equipment to a base station; step b, receiving an intervention result of the base station for the user equipment; step c, determining, when the intervention result is to adopt the first multiple access signature, to adopt the first multiple access signature for data transmission; and step d, determining, when the intervention result is to adopt a second multiple access signature, to adopt the second multiple access signature for the data transmission. According to the grant-free transmission method, the user equipment, and the base station provided by the present disclosure, the collision during the grant-free transmission is avoided or reduced with less signaling overhead.
    Type: Grant
    Filed: February 28, 2018
    Date of Patent: April 19, 2022
    Assignee: NTT DoCoMo, Inc.
    Inventors: Neng Ye, Xiangming Li, Xiaohang Chen, Xiaolin Hou, Qun Zhao, Huiling Jiang
  • Patent number: 11310778
    Abstract: The present invention is designed so that UCI can be transmitted properly even when a PUSCH of a long TTI and an sPUSCH of a short TTI collide with each other in a same carrier. According to the present invention, a user terminal has a transmission section that transmits UCI, and a control section that controls re-direction of at least part of the UCI, when a PUSCH of a long TTI carrying the UCI, and an sPUSCH of a short TTI, collide with each other in a same carrier.
    Type: Grant
    Filed: May 2, 2017
    Date of Patent: April 19, 2022
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Lihui Wang, Xiaolin Hou
  • Publication number: 20220116156
    Abstract: A user terminal includes: a control section that determines a set of one or more candidate occasions for reception of a downlink shared channel available in a time unit, based on a Hybrid Automatic Repeat reQuest-ACKnowledge (HARQ-ACK) timing value using a same or different time unit between a plurality of services and a format of the time unit; and a transmitting section that transmits a codebook being determined based on the set of the one or more candidate occasions.
    Type: Application
    Filed: January 10, 2019
    Publication date: April 14, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Shaozhen Guo, Lihui Wang, Xiaolin Hou
  • Publication number: 20220116167
    Abstract: Embodiments of the present invention provide a wireless communication method, a user equipment and a base station. The wireless communication method performed by the user equipment includes: receiving reference signal configuration information transmitted by a base station by using at least one reference signal group, the reference signal configuration information including an identification of at least one reference signal group and measurement configuration information of at least one reference signal group; and feeding back feedback information about channel quality according to the reference signal configuration information.
    Type: Application
    Filed: August 10, 2018
    Publication date: April 14, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Jing Wang, Xiaolin Hou, Xin Wang, Yuki Matsumura, Satoshi Nagata
  • Publication number: 20220110066
    Abstract: A user terminal of the present invention includes a receiving section that receives a plurality of pieces of downlink control information each including a first field value to be used for control of a transmission power of an uplink control channel and a second field value to be used to determine a resource for the uplink control channel, and a control section that controls, in a case that the same resource is determined based on the second field value, accumulation of a transmission power control (TPC) command indicated by the first field value. With this, it is possible to appropriately control a transmission power of an uplink control channel.
    Type: Application
    Filed: July 20, 2018
    Publication date: April 7, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Shohei Yoshioka, Satoshi Nagata, Lihui Wang, Xiaolin Hou
  • Patent number: 11296746
    Abstract: Provided in embodiments of the present disclosure are a method for selecting spreading sequences, a method for adjusting a transmission power and communication apparatuses. The method for selecting spread sequences according to the embodiments of the present disclosure includes: obtaining received powers of a plurality of user groups at a receiving end; determining spread sequence groups for the user groups in a spreading sequence set according to the obtained received powers.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: April 5, 2022
    Assignee: NTT DOCOMO, INC.
    Inventors: Wenjia Liu, Xiaolin Hou, Qin Mu, Liu Liu
  • Publication number: 20220103314
    Abstract: Embodiments of the present invention provide a user equipment and a base station that may be used in a wireless communication system, or a method executed by a user equipment, a method executed by a base station. The user equipment in the embodiments of the present invention includes: an obtaining unit, configured to obtain a basic sequence table, the basic sequence table comprising at least two sequences; a receiving unit, configured to receive sequence selection information related to an operation to be executed by the user equipment; and a control unit, configured to determine an operation sequence for the operation according to the basic sequence table and the sequence selection information.
    Type: Application
    Filed: January 11, 2019
    Publication date: March 31, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Runxin Wang, Wenjia Liu, Xiaolin Hou, Kazuaki Takeda
  • Publication number: 20220103288
    Abstract: A user terminal includes: a control section to which one mode of a plurality of modes associated with different operations of one or more transmission points is configured; and a receiving section that receives one or more downlink shared channels from the one or more transmission points according to the mode. According to one aspect of the present disclosure, it is possible to appropriately operate in response to operations of one or more transmission points.
    Type: Application
    Filed: January 11, 2019
    Publication date: March 31, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Runxin Wang, Jing Wang, Xiaolin Hou
  • Publication number: 20220103310
    Abstract: A user terminal includes: a control section that determines a set of one or more candidate occasions for reception of a downlink shared channel available in a time unit, based on a HARQ-ACK timing value using the time unit shorter than a slot and a format of the time unit; and a transmitting section that transmits a codebook being determined based on the set of the one or more candidate occasions.
    Type: Application
    Filed: January 10, 2019
    Publication date: March 31, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Shaozhen Guo, Lihui Wang, Xiaolin Hou
  • Publication number: 20220094488
    Abstract: A user terminal includes: a receiving section that receives information related to a plurality of resources respectively associated with a plurality of transmission points, wherein at least one of an offset and a guard domain is present between the plurality of resources; and a control section that performs communication with the plurality of transmission points based on the information. According to one aspect of the present disclosure, it is possible to appropriately perform communication that uses a plurality of transmission points.
    Type: Application
    Filed: January 10, 2019
    Publication date: March 24, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Runxin Wang, Jing Wang, Xiaolin Hou
  • Publication number: 20220078837
    Abstract: A wireless node includes: a reception section that receives configuration information including a configuration on a resource of a first radio period and a resource of a second radio period, and indication information indicating an application of the resources; and a control section that controls a link direction of the resource of the first radio period, a link direction of the resource of the second radio period, and use of the resource of the second radio period, based on the configuration information and the indication information.
    Type: Application
    Filed: February 8, 2019
    Publication date: March 10, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Hiroki Harada, Kazuaki Takeda, Jing Wang, Xiaolin Hou