Patents by Inventor Yeon Hye Yi

Yeon Hye Yi 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).

  • Apparatus and method for restoring a transmission signal from a reception signal transmitted through a satellite communication device
    Patent number: 8615193
    Abstract: Provided are a signal restoring apparatus that can restore a reception signal of a counterpart terminal and increase frequency band efficiency by estimating its own transmission signal from a reception signal transmitted from a counterpart terminal through a satellite communication device and removing the estimated transmission signal, and a method thereof. The signal restoring apparatus according to the exemplary embodiment of the present invention includes: a transmitter transmitting a transmission signal to a satellite communication device; a band spread signal generator transmitting a band spread signal to the satellite communication device; a signal estimator estimating the transmission signal included in a reception signal transmitted from a counterpart terminal through the satellite communication device on the basis of the transmission signal and the band spread signal; and a signal remover removing the estimated transmission signal from the reception signal.
    Type: Grant
    Filed: January 6, 2011
    Date of Patent: December 24, 2013
    Assignee: LIG Nex1 Co., Ltd.
    Inventors: Kyoung Cheol Lee, Dongkuk Ko, Youn-Sang Yoo, Ho Sub Lee, Yeon Hye Yi, Seung Jun Lee
  • SIGNAL RESTORING APPARATUS AND METHOD THEREOF
    Publication number: 20120045987
    Abstract: Provided are a signal restoring apparatus that can restore a reception signal of a counterpart terminal and increase frequency band efficiency by estimating its own transmission signal from a reception signal transmitted from a counterpart terminal through a satellite communication device and removing the estimated transmission signal, and a method thereof. The signal restoring apparatus according to the exemplary embodiment of the present invention includes: a transmitter transmitting a transmission signal to a satellite communication device; a band spread signal generator transmitting a band spread signal to the satellite communication device; a signal estimator estimating the transmission signal included in a reception signal transmitted from a counterpart terminal through the satellite communication device on the basis of the transmission signal and the band spread signal; and a signal remover removing the estimated transmission signal from the reception signal.
    Type: Application
    Filed: January 6, 2011
    Publication date: February 23, 2012
    Applicant: LIG Nex1 Co., Ltd.
    Inventors: Kyoung-Cheol Lee, Dongkuk Ko, Youn-Sang Yoo, Ho Sub Lee, Yeon Hye Yi, Seung Jun Lee