Patents by Inventor Yujing FAN

Yujing 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).

  • Downlink signal pre-correction method and device
    Patent number: 10715217
    Abstract: A method and a device for pre-correction of a downlink signal are provided. The method comprises: on the basis of an obtained uplink frequency offset value of a first RRU and a second RRU corresponding to each client, determining a set of uplink frequency offset values corresponding to each RRU; when a downlink pre-correction period is reached, calculating an average uplink frequency offset value of the RRU; and on the basis of the average uplink frequency offset value of the RRU and a downlink pre-correction value in a previous pre-correction period, determining a downlink pre-correction value of the RRU in the current downlink pre-correction period.
    Type: Grant
    Filed: January 29, 2018
    Date of Patent: July 14, 2020
    Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
    Inventors: Yujing Fan, Yuetan Chen
  • DOWNLINK SIGNAL PRE-CORRECTION METHOD AND DEVICE
    Publication number: 20200028542
    Abstract: A method and a device for pre-correction of a downlink signal are provided. The method comprises: on the basis of an obtained uplink frequency offset value of a first RRU and a second RRU corresponding to each client, determining a set of uplink frequency offset values corresponding to each RRU; when a downlink pre-correction period is reached, calculating an average uplink frequency offset value of the RRU; and on the basis of the average uplink frequency offset value of the RRU and a downlink pre-correction value in a previous pre-correction period, determining a downlink pre-correction value of the RRU in the current downlink pre-correction period.
    Type: Application
    Filed: January 29, 2018
    Publication date: January 23, 2020
    Applicant: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
    Inventors: Yujing FAN, Yuetan CHEN