Patents by Inventor Waho Oh

Waho Oh 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: 20100075689
    Abstract: To improve throughput of the whole system while reducing power consumption. In a mobile communication system comprising a mobile station apparatus and a base station apparatus, the base station apparatus creates an interference information table based on channel quality of an uplink channel, and at the same time, transmitting the interference information indicator table to the mobile station apparatus, and the mobile station apparatus determines a state of interference in an uplink frequency band based on the interference information indicator table, determines a frequency band of a measurement pilot channel, which is a pilot channel used to determine received quality, and make a request to the base station apparatus for a transmission resource. For example, the mobile station apparatus determines a frequency band with lowest interference among the uplink frequency bands as a frequency band of the measurement pilot channel.
    Type: Application
    Filed: January 25, 2008
    Publication date: March 25, 2010
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Katsunari Uemura, Waho Oh, Yasuyuki Kato, Shohei Yamada
  • Publication number: 20100016005
    Abstract: A communication terminal apparatus requests resource allocation to a communication control apparatus without allocating any dedicated resource for resource request. The communication terminal apparatus is applied to a wireless communication system in which the communication control apparatus allocates resources used when a communication terminal apparatus 200 performs wireless transmission to a communication control apparatus 100.
    Type: Application
    Filed: January 30, 2008
    Publication date: January 21, 2010
    Applicant: Sharp Kabushiki Kaisha
    Inventors: Yasuo Sugawara, Shohei Yamada, Daiichiro Nakashima, Yasuyuki Kato, Katsunari Uemura, Waho Oh, Kimihiko Imamura
  • Patent number: 7620401
    Abstract: A dual mode mobile terminal has a dual mode in which said mobile terminal can be connected to any of two different wireless communications systems (hereinafter referred to as systems 1 and 2). The mobile terminal can be connected to optimum wireless communications system by considering conditions at which the mobile terminal is (moving speed, communication data rate) even if it is in the state of communicating using any of systems 1 and 2. The mobile terminal (3) which can be connected to any of the system 1 having a wide service area and medium and low communication data rate and the system 2 having a local service area and high communication data rate determines whether or not it is in the service area of the systems 1 and 2.
    Type: Grant
    Filed: December 3, 2003
    Date of Patent: November 17, 2009
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Waho Oh
  • Publication number: 20090232243
    Abstract: To enable shared control information to be demodulated without requiring advance information on a MIMO block or non-MIMO block prior to demodulation of the shared control information of the block, and further enable the shared control information to be demodulated early. A wireless transmitting apparatus which performs wireless transmission in MIMO or non-MIMO for each radio frame comprised of a block or a plurality of blocks, and has mapping sections (110-1 to 110-n) that perform mapping of pilot signals to perform propagation path estimation, specific data, and user data, where the mapping sections perform mapping so that the specific data is transmitted in non-MIMO in the block or the radio frame transmitted in MIMO, and that an antenna that transmits the specific data is beforehand associated with an antenna that transmits a pilot signal to perform propagation path estimation.
    Type: Application
    Filed: September 29, 2006
    Publication date: September 17, 2009
    Inventors: Hidekazu Tsuboi, Yasuhiro Hamaguchi, Yasuyuki Kato, Waho Oh
  • Publication number: 20090005130
    Abstract: A folding portable terminal which can be changed into a desired shape depending on applications of functions such as a telephone, a digital camera, and the like. A folding portable terminal (1) comprises a case (10) with a display section (11) and a case (20) with an operating section (21), and the cases are foldably linked through a hinge mechanism. The hinge mechanism comprises a first hinge section (12) formed by providing a first rotation axis at substantially the center of the case (10) that can be rotated about the first rotation axis in the folding or opening direction relative to the case (20); a second hinge section (24) formed by providing a second rotation axis at substantially the upper end part of the case (20) so as to be parallel to the first rotation axis, the case (20) being rotated in the folding or opening direction relative to the case (10); and means (13a) for linking both ends of the first rotation axis and both ends of the second rotation axis.
    Type: Application
    Filed: October 21, 2004
    Publication date: January 1, 2009
    Inventors: Katsutoshi Ishikura, Waho Oh, Masao Miyazaki
  • Publication number: 20060172769
    Abstract: The system includes: a first mobile communication terminal (100) (e.g., portable information terminal) having one or more first wireless LAN interfaces (30,31) of wireless LAN client function; and a second mobile communication terminal (200) (e.g., cellular phone) having a second wireless LAN interface (18, 19) having a wireless LAN access point or wireless LAN client function. When the user is in a wireless LAN hotspot area (32), the user makes wireless LAN access using the first mobile communication terminal (100). When the user is located at the boundary of the wireless LAN hotspot area (32), wireless access is kept automatically by way of the second mobile communication terminal (200). In this way, it is possible to enjoy the merits of both the mobile communication system and the wireless LAN system.
    Type: Application
    Filed: April 12, 2004
    Publication date: August 3, 2006
    Inventor: Waho Oh
  • Publication number: 20060135150
    Abstract: A dual mode mobile terminal has a dual mode in which said mobile terminal can be connected to any of two different wireless communications systems (hereinafter referred to as systems 1 and 2). The mobile terminal can be connected to optimum wireless communications system by considering conditions at which the mobile terminal is (moving speed, communication data rate) even if it is in the state of communicating using any of systems 1 and 2. The mobile terminal (3) which can be connected to any of the system 1 having a wide service area and medium and low communication data rate and the system 2 having a local service area and high communication data rate determines whether or not it is in the service area of the systems 1 and 2.
    Type: Application
    Filed: December 3, 2003
    Publication date: June 22, 2006
    Inventor: Waho Oh