Patents by Inventor Qingsong Li

Qingsong Li 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).

  • Conserving the power of a node in a wireless communication system
    Patent number: 9014746
    Abstract: A method of reducing power consumption of a Radio Network Controller with a plurality of control units in a wireless communication system, each of the control units including one or more processors, the control units being adapted to operate in an active mode or adopt a power saving mode and a first control unit i operating in the active mode, the method comprising the steps of measuring a degree of utilization Cwi of the first control unit i, comparing the degree of utilization Cwi of the first control unit i with a first threshold Tsli, and changing the mode of the first control unit i to a power saving mode after a predetermined first period of time if the degree of utilization of the first control unit i is below the first threshold Tsli.
    Type: Grant
    Filed: November 3, 2010
    Date of Patent: April 21, 2015
    Assignee: Telefonaktiebolaget L M Ericsson (Publ)
    Inventor: Qingsong Li
  • Conserving the Power of a Node in a Wireless Communication System
    Publication number: 20130217432
    Abstract: A method of reducing power consumption of a Radio Network Controller with a plurality of control units in a wireless communication system, each of the control units including one or more processors, the control units being adapted to operate in an active mode or adopt a power saving mode and a first control unit i operating in the active mode, the method comprising the steps of measuring a degree of utilization Cwi of the first control unit i, comparing the degree of utilization Cwi of the first control unit i with a first threshold Tsli, and changing the mode of the first control unit i to a power saving mode after a predetermined first period of time if the degree of utilization of the first control unit i is below the first threshold Tsli.
    Type: Application
    Filed: November 3, 2010
    Publication date: August 22, 2013
    Applicant: TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
    Inventor: Qingsong Li
  • Compact fluorescent lamp
    Publication number: 20030223230
    Abstract: In accordance with an embodiment of the present invention, a compact fluorescent lamp comprises a spiral compact fluorescent tube comprising a plurality of loops, at least one of the plurality of loops having a different cross-sectional width than a cross-sectional width of at least another one of the plurality of loops.
    Type: Application
    Filed: August 6, 2002
    Publication date: December 4, 2003
    Inventor: Qingsong Li
  • Compact fluorescent lamp glass tube
    Patent number: D488874
    Type: Grant
    Filed: May 31, 2002
    Date of Patent: April 20, 2004
    Inventor: Qingsong Li