Patents by Inventor Anhua Mei

Anhua Mei 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).

  • Patent number: 9215664
    Abstract: The present invention relates to a power control method, including: obtaining a current main carrier power of a main carrier and a current supplementary carrier power of a supplementary carrier; selecting a reference carrier from the main carrier and the supplementary carrier; calculating a difference between the main carrier power and the supplementary carrier power to obtain a first difference; determining a quantized value corresponding to the first difference by querying a preset configuration parameter table according to the first difference; and determining, according to the power of the reference carrier and the quantized value, a total transmit power for transmitting the main carrier and the supplementary carrier. In the whole process, a power of a previous timeslot does not need to be introduced, therefore, error accumulation can be avoided, thereby reducing a power control error and improving control precision.
    Type: Grant
    Filed: June 9, 2014
    Date of Patent: December 15, 2015
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Jianhong Yin, Anhua Mei, Jiaji Zhang
  • Publication number: 20140364163
    Abstract: The present invention relates to a power control method, including: obtaining a current main carrier power of a main carrier and a current supplementary carrier power of a supplementary carrier; selecting a reference carrier from the main carrier and the supplementary carrier; calculating a difference between the main carrier power and the supplementary carrier power to obtain a first difference; determining a quantized value corresponding to the first difference by querying a preset configuration parameter table according to the first difference; and determining, according to the power of the reference carrier and the quantized value, a total transmit power for transmitting the main carrier and the supplementary carrier. In the whole process, a power of a previous timeslot does not need to be introduced, therefore, error accumulation can be avoided, thereby reducing a power control error and improving control precision.
    Type: Application
    Filed: June 9, 2014
    Publication date: December 11, 2014
    Inventors: Jianhong Yin, Anhua Mei, Jiaji Zhang
  • Patent number: 7948621
    Abstract: A system and method of monitoring contaminant particles in pipelines. The system can include a probe for extending into a pipeline, and sampling fluid in the pipeline to ensure that a representative amount of contaminants within the pipeline can subsequently be measured. An analyzer receives the sampled fluid from the probe, illuminates the sampled fluid with a light source, and collects scattered light from any contaminant particles in the illuminated sampled fluid. A detector receives the scattered light from the analyzer, and converts the scattered light into an electrical signal that is proportional to the contaminant particles size. A processor receives the electrical signal from the detector, converts the electrical signal into digital data pertaining to the contaminant particles, and transmits the digital data on an Ethernet connection, or wireless signal to a communication network for distribution to at least one digital data processor for display and evaluation.
    Type: Grant
    Filed: June 28, 2007
    Date of Patent: May 24, 2011
    Assignee: Perry Equipment Corporation
    Inventors: David Burns, Anhua Mei, Mark Scott
  • Publication number: 20090002704
    Abstract: A system and method of monitoring contaminant particles in pipelines. The system can include a probe for extending into a pipeline, and sampling fluid in the pipeline to ensure that a representative amount of contaminants within the pipeline can subsequently be measured. An analyzer receives the sampled fluid from the probe, illuminates the sampled fluid with a light source, and collects scattered light from any contaminant particles in the illuminated sampled fluid. A detector receives the scattered light from the analyzer, and converts the scattered light into an electrical signal that is proportional to the contaminant particles size. A processor receives the electrical signal from the detector, converts the electrical signal into digital data pertaining to the contaminant particles, and transmits the digital data on an Ethernet connection, or wireless signal to a communication network for distribution to at least one digital data processor for display and evaluation.
    Type: Application
    Filed: June 28, 2007
    Publication date: January 1, 2009
    Inventors: David Burns, Anhua Mei, Mark Scott