Patents by Inventor Nobuhide Nonaka

Nobuhide Nonaka 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).

  • Patent number: 11863261
    Abstract: This base station comprises: a control unit that allocates, on the basis of a doppler shift estimated using an uplink reference signal, a downlink reference signal common to a plurality of beams; and a transmission unit that transmits the common downlink reference signal via the plurality of beams. According to this base station communication method, the base station allocates, on the basis of a doppler shift estimated using an uplink reference signal, a downlink reference signal common to a plurality of beams, and transmits the common downlink reference signal via the plurality of beams.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: January 2, 2024
    Assignee: NTT DOCOMO, INC.
    Inventors: Nobuhide Nonaka, Tatsuki Okuyama, Satoshi Suyama, Yukihiko Okumura
  • Publication number: 20230116416
    Abstract: A control apparatus includes a control section that determines, for each terminal, a method for a coordinated operation performed between a plurality of radio apparatuses for signal transmission to the terminal, and a transmission section that outputs control information on the method determined.
    Type: Application
    Filed: March 25, 2021
    Publication date: April 13, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Nobuhide Nonaka, Tatsuki Okuyama, Satoshi Suyama
  • Publication number: 20230106451
    Abstract: A communication apparatus is disclosed including a reception unit that receives an uplink signal; a control unit that determines one or more signal processes to be applied to the uplink signal, among a plurality of signal processes for the uplink signal; and a transmission unit that transmits to a backhaul the uplink signal that received the determined one or more signal processes. In another aspect, a communication method is also disclosed.
    Type: Application
    Filed: February 10, 2021
    Publication date: April 6, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Tatsuki Okuyama, Satoshi Suyama, Nobuhide Nonaka
  • Publication number: 20220200672
    Abstract: This base station comprises: a control unit that allocates, on the basis of a doppler shift estimated using an uplink reference signal, a downlink reference signal common to a plurality of beams; and a transmission unit that transmits the common downlink reference signal via the plurality of beams. According to this base station communication method, the base station allocates, on the basis of a doppler shift estimated using an uplink reference signal, a downlink reference signal common to a plurality of beams, and transmits the common downlink reference signal via the plurality of beams.
    Type: Application
    Filed: December 23, 2019
    Publication date: June 23, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Nobuhide Nonaka, Tatsuki Okuyama, Satoshi Suyama, Yukihiko Okumura