Patents by Inventor Oui-Suk Uhm

Oui-Suk Uhm 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: 6072802
    Abstract: An initial synchronization method in a code division multiple access reception system for determining a pseudonoise (PN) code received in the system by receiving a signal corresponding to an interval of the PN code in a window size, determining representative values of corresponding ones of PN code chips in the window, respectively, and determining the representative values as chips of the PN code, comprising the steps of selecting n successive PN code chips having the same offset in each interval of the PN code, deriving mn (m<n) phase differences of the successive PN code chips in each interval of the PN code, and continuously deriving subsequent PN code chips, thereby deriving n PN code chips, and deriving representative values of n chips of the PN code, based on corresponding ones of the PN code chips derived in all intervals of the PN code, respectively, thereby determining the PN code. In order to verify the initial synchronization, a first PN code signal derived in the above procedure is used.
    Type: Grant
    Filed: October 27, 1997
    Date of Patent: June 6, 2000
    Assignee: Dacom Corporation
    Inventors: Oui-Suk Uhm, Dae-jung Kim, Kyung Park, Jin-woo Roh