Patents by Inventor Min-Cheul Cha

Min-Cheul Cha 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).

  • Transmitting frames in wireless local area network (WLAN)
    Patent number: 8045514
    Abstract: A method and apparatus for transmitting frames in a Wireless Local Area Network (WLAN), each station in the WLAN determines whether there is another station in a hidden state. The station transmits a frame to an Access Point (AP) without performing an Request To Send/Clear To Send (RTS/CTS) mechanism when there is another station in a hidden state, thereby improving use efficiency of the wireless network and minimizing frame transmission delay.
    Type: Grant
    Filed: June 26, 2006
    Date of Patent: October 25, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hak-Hoon Song, Min-Cheul Cha, Bo-Seung Hwang, Seong-Jae Min, Myeon-Kee Youn, Joo-Yong Park
  • Transmitting frames in wireless local area network (WLAN)
    Publication number: 20070041334
    Abstract: A method and apparatus for transmitting frames in a Wireless Local Area Network (WLAN), each station in the WLAN determines whether there is another station in a hidden state. The station transmits a frame to an Access Point (AP) without performing an Request To Send/Clear To Send (RTS/CTS) mechanism when there is another station in a hidden state, thereby improving use efficiency of the wireless network and minimizing frame transmission delay.
    Type: Application
    Filed: June 26, 2006
    Publication date: February 22, 2007
    Inventors: Hak-Hoon Song, Min-Cheul Cha, Bo-Seung Hwang, Seong-Jae Min, Myeon-Kee Youn, Joo-Yong Park