Patents by Inventor Sung-Chang Chol

Sung-Chang Chol 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).

  • LOCATION MEASUREMENT METHOD BASED ON PREDICTIVE FILTER
    Publication number: 20090227266
    Abstract: Provided is a location measurement method of a mobile node using a predictive filter is provided for improving the location measurement accuracy of the mobile node. The location measurement method of a mobile node detects change of movement pattern of the mobile node, corrects weights of a location measurement period and a predictive filter depending on the change of movement pattern, and compensates a location of the mobile node using the corrected weights of the location measurement period and predictive filter.
    Type: Application
    Filed: March 4, 2009
    Publication date: September 10, 2009
    Applicants: SAMSUNG ELECTRONICS CO., LTD., Information and Communication University
    Inventors: Jin-Serk BAIK, Joon-Oo Kim, Yun-Je Oh, Joong-Soo Ma, Myoung-Hwan Seo, Myoung-In Ji, Sung-Chang Chol