Patents by Inventor Emiko KOUDA

Emiko KOUDA 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).

  • Mobile communication system, signal transmission method thereof, and transmitting node
    Patent number: 8588133
    Abstract: A mobile communication system includes a base station control apparatus, and first and second type base stations having a receiving unit that receives a predetermined signal transmitted from the base station control apparatus. The base station control apparatus includes a type determining unit that determines whether a type of the base station is the second type base station, a transmission period setting unit that sets a transmission period of the predetermined signal for the base station determined to be the second type base stations by the type determining unit, to be longer than a transmission period of the predetermined signal for the base station not determined to be the second type base station, and a transmitting unit that periodically transmits the predetermined signal to the base stations, based on a transmission period set for each of the base stations by the transmission period setting unit.
    Type: Grant
    Filed: June 10, 2009
    Date of Patent: November 19, 2013
    Assignee: Fujitsu Limited
    Inventors: Emiko Kouda, Hiroshi Takubo
  • MOBILE COMMUNICATION SYSTEM, SIGNAL TRANSMISSION METHOD THEREOF, AND TRANSMITTING NODE
    Publication number: 20100067436
    Abstract: A mobile communication system includes a base station control apparatus, and first and second type base stations having a receiving unit that receives a predetermined signal transmitted from the base station control apparatus. The base station control apparatus includes a type determining unit that determines whether a type of the base station is the second type base station, a transmission period setting unit that sets a transmission period of the predetermined signal for the base station determined to be the second type base stations by the type determining unit, to be longer than a transmission period of the predetermined signal for the base station not determined to be the second type base station, and a transmitting unit that periodically transmits the predetermined signal to the base stations, based on a transmission period set for each of the base stations by the transmission period setting unit.
    Type: Application
    Filed: June 10, 2009
    Publication date: March 18, 2010
    Applicant: FUJITSU LIMITED
    Inventors: Emiko KOUDA, Hiroshi TAKUBO