Patents by Inventor Luping Pan

Luping Pan 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).

  • PLL and adaptive compensation method in PLL
    Patent number: 9496881
    Abstract: In a method for mitigating the vibration-induced phase noise of an phase locked loop with an acceleration sensitive voltage controlled oscillator, a correction signal generated by applying a gain and a equalization to an acceleration signal provided by an acceleration sensor sensing the acceleration on the VCO, is added to the oscillator control signal for active compensation, an adaptive compensation unit dynamically adjusts the gain, the frequency response of equalization, and the sensing direction of the acceleration sensor while the phase locked loop is working to make the active compensation automatically adapt to the parameters of the voltage controlled oscillator.
    Type: Grant
    Filed: September 22, 2013
    Date of Patent: November 15, 2016
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Zhongyuan Zhao, Weixu Wang, Luping Pan
  • PLL AND ADAPTIVE COMPENSATION METHOD IN PLL
    Publication number: 20160226500
    Abstract: In a method for mitigating the vibration-induced phase noise of an phase locked loop with an acceleration sensitive voltage controlled oscillator, a correction signal generated by applying a gain and a equalization to an acceleration signal provided by an acceleration sensor sensing the acceleration on the VCO, is added to the oscillator control signal for active compensation, an adaptive compensation unit dynamically adjusts the gain, the frequency response of equalization, and the sensing direction of the acceleration sensor while the phase locked loop is working to make the active compensation automatically adapt to the parameters of the voltage controlled oscillator.
    Type: Application
    Filed: September 22, 2013
    Publication date: August 4, 2016
    Applicant: Telefonaktiebolaget L M Ericsson (publ)
    Inventors: Zhongyuan Zhao, Weixu Wang, Luping Pan