Patents by Inventor Sawa Kentaro

Sawa Kentaro 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).

  • Method for Signaling Center Frequencies for WiMAX Repeaters
    Publication number: 20100150035
    Abstract: A wireless network includes a base station (BS), a set of mobile stations (MS), and a set of repeaters. The channels between the BS and the repeater and between the repeater and the MS include a downlink (DL) and an uplink (UL). A BS specifies a first center frequency F2 for the channel between the BS and MS, and a second center frequency F1 for the channel between the repeater and the MS. The first center frequency F2 and the second center frequency are transmitted to the repeater and the MS in channel descriptor messages.
    Type: Application
    Filed: December 12, 2008
    Publication date: June 17, 2010
    Inventors: Zhifeng Tao, Jinyun Zhang, Sawa Kentaro, Toshiyuki Kuze