Patents by Inventor Ji Seob Sim

Ji Seob Sim 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: 6697984
    Abstract: Adaptive hybrid ARQ methods and apparatuses using a concatenated FEC are disclosed. One method includes dividing data to be transmitted into a header and a payload. The header and payload are encoded to divide them into a plurality of headers and payloads. The plurality of headers and the plurality of payloads are combined to generate a plurality of combined packets. The plurality of combined packets are combined with different perforation patterns, to generate a plurality of transmission packets, and the transmission packets are sequentially transmitted according to an error generation report.
    Type: Grant
    Filed: November 24, 1999
    Date of Patent: February 24, 2004
    Assignees: LG Electronics Inc.
    Inventors: Ji Seob Sim, Won Sik Yoon