Patents by Inventor Dmitri RIABKOV

Dmitri RIABKOV 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).

  • Signal demodulation method and device
    Patent number: 9172500
    Abstract: The present invention provides a signal demodulation method and device. The method includes: obtaining a symbol probability parameter, where the symbol probability parameter comprises: an amplitude ry and a phase angle ?y of a receive signal, an amplitude rxj and a phase angle ?xj of each constellation point xj in a decision constellation point set, and a standard deviation ?n of Gaussian noise and a standard deviation ?? of phase noise; calculating, according to the symbol probability parameter, a symbol probability that a transmit signal is each constellation point xj in the decision constellation point set; and performing demodulation according to the symbol probability, and outputting demodulation information. The present invention improves an anti-phase-noise capability.
    Type: Grant
    Filed: October 16, 2014
    Date of Patent: October 27, 2015
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Dmitri Riabkov, Xi Yan, Guangjian Wang
  • SIGNAL DEMODULATION METHOD AND DEVICE
    Publication number: 20150098531
    Abstract: The present invention provides a signal demodulation method and device. The method includes: obtaining a symbol probability parameter, where the symbol probability parameter comprises: an amplitude ry and a phase angle ?y of a receive signal, an amplitude rxj and a phase angle ?xj of each constellation point xj in a decision constellation point set, and a standard deviation ?n of Gaussian noise and a standard deviation ?? of phase noise; calculating, according to the symbol probability parameter, a symbol probability that a transmit signal is each constellation point xj in the decision constellation point set; and performing demodulation according to the symbol probability, and outputting demodulation information. The present invention improves an anti-phase-noise capability.
    Type: Application
    Filed: October 16, 2014
    Publication date: April 9, 2015
    Inventors: Dmitri RIABKOV, Xi YAN, Guangjian WANG