Patents by Inventor Akira Ohsima

Akira Ohsima 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).

  • Communication terminal, base station, wireless communication system, control method and program therefor, and recording medium having control program recorded thereon
    Patent number: 9215698
    Abstract: According to a control method of a wireless communication system in which wireless communication between a base station (12) and a communication terminal (11) is carried out by use of a plurality of discontinuous frequency bands, in a case where an onlyUL-CC having no existing corresponding DL-CC is present (S21), a communication quality of a DL-CC in a frequency band including the onlyUL-CC is measured as a communication quality of a DL-CC corresponding to the onlyUL-CC (S22) for the purpose of accurate control of the onlyUL-CC.
    Type: Grant
    Filed: December 2, 2011
    Date of Patent: December 15, 2015
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Katsutoshi Ishikura, Koichi Tsunekawa, Akira Ohsima, Toshiaki Kameno, Yoshio Konno
  • COMMUNICATION TERMINAL, BASE STATION, WIRELESS COMMUNICATION SYSTEM, CONTROL METHOD AND PROGRAM THEREFOR, AND RECORDING MEDIUM HAVING CONTROL PROGRAM RECORDED THEREON
    Publication number: 20130208615
    Abstract: According to a control method of a wireless communication system in which wireless communication between a base station (12) and a communication terminal (11) is carried out by use of a plurality of discontinuous frequency bands, in a case where an onlyUL-CC having no existing corresponding DL-CC is present (S21), a communication quality of a DL-CC in a frequency band including the onlyUL-CC is measured as a communication quality of a DL-CC corresponding to the onlyUL-CC (S22) for the purpose of accurate control of the onlyUL-CC.
    Type: Application
    Filed: December 2, 2011
    Publication date: August 15, 2013
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Katsutoshi Ishikura, Koichi Tsunekawa, Akira Ohsima, Toshiaki Kameno, Yoshio Konno