Patents by Inventor Daiki TAKEDA

Daiki TAKEDA 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: 20230027788
    Abstract: Disclosed is a communication device capable of communicating with a terminal that performs wireless communication. The communication device includes a receiver configured to receive a request for network quality requirements from the terminal; a calculator configured to calculate network quality requirements available to the terminal; a determination unit configured to compare the request with the available network quality requirements to determine whether the request is acceptable; and a transmitter configured to transmit the result of the determination to the terminal.
    Type: Application
    Filed: December 15, 2020
    Publication date: January 26, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Masashi Anzawa, Daiki Takeda, Hiroki Ishizuka, Koji Hiratsuka
  • Patent number: 11533691
    Abstract: A terminal is disclosed including a receiver configured to receive a synchronization signal block (SS/PBCH block) including information that indicates a configuration of a control resource set; and a processor configured to determine a position of the control resource set relative to the SS/PBCH block based on the information. In other aspects, another terminal, a radio communication method for a terminal, and a base station are also disclosed.
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: December 20, 2022
    Assignee: NTT DOCOMO, INC.
    Inventors: Daiki Takeda, Satoshi Nagata, Daisuke Murayama, Hiroki Harada
  • Publication number: 20220386350
    Abstract: A terminal includes a receiving unit that receives configuration information regarding puncturing of a downlink subcarrier of a first Radio Access Technology (RAT) among a plurality of supported RATs; and a control unit that configures a number of one or more outlying subcarriers of the first RAT and a position of the one or more outlying subcarriers of the first RAT in a frequency domain based on the configuration information and configures a reception frequency band of a downlink carrier of the first RAT by puncturing a frequency band of the one or more outlying subcarriers.
    Type: Application
    Filed: September 25, 2019
    Publication date: December 1, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Daiki Takeda, Hiroki Harada
  • Publication number: 20220361045
    Abstract: A communication device includes a control unit that obtains information related to Quality of Service (QoS) control and determines whether to transmit information indicating whether the QoS can be provided based on the information related to the QoS control; a transmitting unit that transmits the information indicating whether the QoS can be provided based on a result of the determination to another communication device; and a communication unit that executes radio communication to which the QoS control is applied, the QoS control being executed based on the information indicating whether the QoS can be provided.
    Type: Application
    Filed: May 27, 2020
    Publication date: November 10, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Daiki Takeda, Yuichi Kakishima, Koji Hiratsuka, Hiroki Ishizuka, Akio Gouda, Masashi Anzawa, Kouta Oguni
  • Publication number: 20220353814
    Abstract: A terminal includes a reception unit configured to receive configuration information from a base station with respect to at least one of a first wake-up signal and a second wake-up signal associated with a paging occasion, a control unit configured to determine, based on the configuration information, a position in time domain or frequency domain of a resource is which the first wake-up signal or the second wake-up signal is allocated and a communication unit configured to receive, in the resource, the first wake-up signal or the second wake-up signal, and receive a paging associated with the received first wake-up signal or the received second wake-up signal from the base station, wherein the control unit determines, based on a position in time domain and frequency domain of the second wake-up signal indicated by the configuration information, the position in time domain or frequency domain of the resource.
    Type: Application
    Filed: September 25, 2019
    Publication date: November 3, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Daiki Takeda, HIroki Harada
  • Patent number: 11490455
    Abstract: Disclosed is a scheme of transmitting various types of radio signals for which interference between adjacent cells is considered in a radio communication system (for example, dynamic TDD) in which uplink communication and downlink communication can be dynamically switched. A feature of the present invention relates to user equipment including a transceiver that performs transmission and reception of a radio signal with a base station in accordance with a communication scheme in which uplink communication and downlink communication are dynamically switched and a signal processor that processes the radio signal, wherein the transceiver transmits a connection request signal generated by the signal processor in fixed uplink radio resources of the communication scheme.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: November 1, 2022
    Assignee: NTT DOCOMO, INC.
    Inventors: Yousuke Sano, Kazuki Takeda, Kazuaki Takeda, Daiki Takeda, Daisuke Murayama, Satoshi Nagata
  • Publication number: 20220346047
    Abstract: A terminal including: a reception unit configured to receive, from a base station apparatus of a serving cell, information indicating a relation between a frequency position of a resynchronization signal of the serving cell and a frequency position of a resynchronization signal of a neighbor cell, wherein the reception unit receives the resynchronization signal of the neighbor cell at a frequency position based on the relation.
    Type: Application
    Filed: October 3, 2019
    Publication date: October 27, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Daiki Takeda, Hiroki Harada, Takuma Takada
  • Publication number: 20220346043
    Abstract: A terminal includes a controller configured to determine a candidate resource location where a resynchronization signal of a neighbor cell is possibly transmitted based on information on the neighbor cell; and a receiver configured to receive the resynchronization signal of the neighbor cell based on the candidate resource location.
    Type: Application
    Filed: October 3, 2019
    Publication date: October 27, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Daiki Takeda, Hiroki Harada, Takuma Takada
  • Publication number: 20220346057
    Abstract: A terminal includes a receiver that receives, from a base station, configuration information for at least one of a first activation signal or a second activation signal associated with a paging occasion; a controller that determines, based on the configuration information, a time/frequency domain position of resources on which the first activation signal or the second activation signal is allocated; and a communication unit that receives the first activation signal or the second activation signal on the resources and receives, from the base station, paging associated with the received first activation signal or second activation signal, wherein the controller determines the time/frequency domain position of the resources on which the first activation signal and the second activation signal is allocated, by associating the positions of the resources.
    Type: Application
    Filed: September 25, 2019
    Publication date: October 27, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Daiki Takeda, Hiroki Harada
  • Publication number: 20220346151
    Abstract: A terminal includes a reception unit that receives, from a base station, a set including a plurality of first resources that include at least a synchronization signal and optionally further include a broadcast channel, a control unit that determines which of the first resources included in the set is to be used based on a reception quality controlled for each of the first resources, and a communication unit that executes a random access procedure with the base station based on information included in the determined first resource.
    Type: Application
    Filed: September 5, 2019
    Publication date: October 27, 2022
    Applicant: NTT DOCOMO,INC.
    Inventors: Daiki Takeda, Tomoya Ohara, Hiroki Harada
  • Publication number: 20220338139
    Abstract: A terminal including: a control unit configured, when support information for supporting measurement by a resynchronization signal of a neighbor cell is not received, to determine a pattern of a position of a resource where the resynchronization signal of the neighbor cell can be transmitted based on information of the neighbor cell; and a reception unit configured to receive the resynchronization signal of the neighbor cell based on the pattern.
    Type: Application
    Filed: October 3, 2019
    Publication date: October 20, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Daiki Takeda, Hiroki Harada, Takuma Takada
  • Patent number: 11477738
    Abstract: Provided are a method and device for uplink power control. A user terminal performing the method includes: a receiving unit configured to receive signature information for the user terminal from a base station; and a control unit configured to determine a transmission power of the user terminal according to the received signature information.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: October 18, 2022
    Assignee: NTT DOCOMO, INC.
    Inventors: Runxin Wang, Wenjia Liu, Xiaolin Hou, Kazuaki Takeda, Daiki Takeda
  • Publication number: 20220303832
    Abstract: A communication device includes a control unit that determines whether Quality of Service (QoS) is not to be configured for each of one or more conditions for determining a requirement that determines radio communication quality provided by the QoS or the requirement is to be configured for the QoS; and a communication unit that executes a radio communication in which QoS is not to be provided in a case where the control unit does not configure the QoS, and executes a radio communication in which QoS is to be provided in a case where the control unit configures the requirement for the QoS.
    Type: Application
    Filed: May 27, 2020
    Publication date: September 22, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Daiki Takeda, Yuichi Kakishima, Koji Hiratsuka, Hiroki Ishizuka, Akio Gouda, Masashi Anzawa, Kouta Oguni
  • Publication number: 20220272664
    Abstract: A terminal includes a reception unit that receives, from a base station, a first set including a plurality of resources that include at least a synchronization signal and optionally further include a broadcast channel and a second set including a plurality of resources that include at least a synchronization signal added to the first set in a frequency domain and optionally further include a broadcast channel, a control unit that assumes a Quasi co location (QCL) identical to a QCL assumed for the first set when receiving the second set, and a communication unit that executes a random access procedure with the base station based on information included in the resources.
    Type: Application
    Filed: September 5, 2019
    Publication date: August 25, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Daiki Takeda, Tomoya Ohara, Hiroki Harada
  • Publication number: 20220256375
    Abstract: The terminal applies, when using a different frequency band such as FR4 that is different from the frequency band including FR1 and FR2, a wider PDCCH monitoring opportunity interval than when using the frequency band and receives the PDCCH in the monitoring opportunity.
    Type: Application
    Filed: July 5, 2019
    Publication date: August 11, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Hiroki Harada, Satoshi Nagata, Daiki Takeda, Jing Wang
  • Publication number: 20220240221
    Abstract: A terminal includes a reception unit configured to receive, from a base station, information for requesting a terminal capability report related to a wake-up signal associated with a paging occasion and configuration information related to at least one of a first wake-up signal and a second wake-up signal, a transmission unit configured to transmit the terminal capability report related to the wake-up signal to the base station, and a control unit configured to determine a configuration of the first wake-up signal and a configuration of the second wake-up signal based on the configuration information related to the wake-up signal, and the reception unit receives the wake-up signal and paging associated with the wake-up signal from the base station, and the control unit determines the configuration of the first wake-up signal from a value based on the configuration of the second wake-up signal.
    Type: Application
    Filed: July 5, 2019
    Publication date: July 28, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Daiki Takeda, Takuma Takada
  • Patent number: 11395158
    Abstract: A terminal is disclosed including a processor that controls reception of a first synchronization signal (PSS), a second synchronization signal (SSS), and a broadcast channel (PBCH) in a predetermined block that is formed by a predetermined number of symbols and a predetermined number of subcarriers; and a receiver that receives the PSS, the SSS and the PBCH that form the predetermined block, wherein the PSS and the SSS are located in a first frequency domain, wherein the PBCH is located in at least part of a second frequency domain that is broader than the first frequency domain, and wherein the PBCH is located in at least part of a first predetermined domain neighboring the SSS in the frequency direction in the predetermined block and the PBCH is not located in a second predetermined domain neighboring the PSS in the frequency direction in the predetermined block.
    Type: Grant
    Filed: October 2, 2018
    Date of Patent: July 19, 2022
    Assignee: NTT DOCOMO, INC.
    Inventors: Hiroki Harada, Yousuke Sano, Daiki Takeda
  • Publication number: 20220217677
    Abstract: A user equipment includes a transmitting unit that transmits data to base station apparatus using a preconfigured uplink resource and a receiving unit that, when a search space for receiving information relevant to the uplink resource and a predetermined resource overlap each other in a time domain, monitors only one of the search space and the predetermined resource or monitors both the search space and the predetermined resource.
    Type: Application
    Filed: May 2, 2019
    Publication date: July 7, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Daiki Takeda, Hiroki Harada, Tomoya Ohara
  • Publication number: 20220201608
    Abstract: A base station apparatus including: a transmission unit configured to transmit configuration information indicating whether to place both of a first activation signal and a second activation signal on a resource for placing an activation signal that is a trigger for monitoring a paging occasion, wherein the configuration information implicitly indicates configuration other than configuration indicating whether to place both of the first activation signal and the second activation signal on the resource.
    Type: Application
    Filed: April 9, 2020
    Publication date: June 23, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Daiki Takeda, Hiroki Harada
  • Publication number: 20220182815
    Abstract: A base station apparatus including: a transmission unit that transmits a first activation signal, which is an activation signal that becomes a trigger for monitoring a paging occasion, for each group of grouped user equipments and transmits a second activation signal, which is a activation signal common to multiple groups, wherein the transmission unit transmits, to the user equipment, information instructing whether to perform monitoring of the second activation signal or information indirectly instructing whether to perform monitoring of the second activation signal.
    Type: Application
    Filed: March 28, 2019
    Publication date: June 9, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Daiki Takeda, Kazuaki Takeda, Hiroki Harada, Takayuki Isogawa