Patents by Inventor Hiramatsu Katsuhiko

Hiramatsu Katsuhiko 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: 8340006
    Abstract: A method and system for transmitting data in a wireless communications system using multiple transmit antennas. The method comprises the steps of receiving a plurality of data sequences, each assigned with a priority level; encoding each of said plurality of data sequences in accordance with the assigned priority level to form a plurality of coded data sequences, the coded data sequences comprising systematic data and parity data; interleaving said plurality of coded data sequences to form a plurality of interleaved data sequences; multiplexing said plurality of interleaved data sequences to form a plurality of multiplexed data sequences; and mapping said plurality of multiplexed data sequences to form a plurality of mapped data sequences for subsequent transmission of said mapped data sequences from said multiple transmit antennas.
    Type: Grant
    Filed: April 12, 2006
    Date of Patent: December 25, 2012
    Assignee: Panasonic Corporation
    Inventors: Qian Yu, Hiramatsu Katsuhiko, Ping Luo
  • Publication number: 20090303913
    Abstract: A method and system for transmitting data in a wireless communications system using multiple transmit antennas. The method comprises the stesp of receiving a plurality of data sequences, each assigned with a priority level; encoding each of said plurality of data sequences in accordance with the assigned priority level to form a plurality of coded data sequences, the coded data sequences comprising systematic data and parity data; interleaving said plurality of coded data sequences to form a plurality of interleaved data sequences; multiplexing said plurality of interleaved data sequences to form a plurality of multiplexed data sequences; and mapping said plurality of multiplexed data sequences to form a plurality of mapped data sequences for subsequent transmission of said mapped data sequences from said multiple transmit antennas.
    Type: Application
    Filed: April 12, 2006
    Publication date: December 10, 2009
    Inventors: Qian Yu, Hiramatsu Katsuhiko, Ping Luo