Patents by Inventor Yu Long Fan

Yu Long Fan 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).

  • Scheduling method for supporting quality of service (QoS) in wireless local area network (WLAN)
    Patent number: 7515574
    Abstract: A method for polling of stations in a Wireless Local Area Network (WLAN), including the steps of: obtaining Quality of Service (QoS) information related to the stations; assigning two timers to each WLAN service requiring QoS guarantee, one for uplink transmission and the other for downlink transmission; starting a Controlled Access Period (CAP) when a minimum timer Tm is below the threshold Tthr; polling the station with the minimum timer; updating the minimum timer after a polling message is sent; quitting CAP and permitting the resource contention if the minimum timer Tm is larger than the threshold Tthr.
    Type: Grant
    Filed: July 14, 2005
    Date of Patent: April 7, 2009
    Assignee: National Chiao Tung University
    Inventors: Ching Yao Huang, Yu Long Fan