Patents by Inventor Changchun Tang

Changchun Tang 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).

  • Publication number: 20230404374
    Abstract: The present disclosure provides a multi-directional image capturing device, which includes a transparent shell and a panoramic camera component, wherein the panoramic camera component comprises at least two camera lenses and camera modules provided at the inner end and the circumferential direction of the shell, the shell comprises a plurality of first outer surfaces, each of the camera lens is provided with a second outer surface, and any of the second outer surfaces corresponds to the first outer surface. According to the present disclosure, the panoramic shooting technology is used for shooting. The image of the first outer surface at the end and the circumferential direction of the shell is captured in multiple directions through a plurality of camera lenses, and then a complete panoramic picture is provided for users through edge splicing of a plurality of pictures.
    Type: Application
    Filed: November 8, 2021
    Publication date: December 21, 2023
    Inventor: Changchun Tang
  • Patent number: 9049738
    Abstract: A sectorized scheduling method for the high speed uplink packet access service is provided in the present invention, the method comprises: obtaining the current sector load of each sector and the current high speed uplink packet access service HSUPA mobile station load of each sector, and the maximal allowable sector load of each sector; obtaining the rest available sector load based on the maximal allowable load and the current sector load, performing load assignment for each sector based on the rest available sector load and the distribution of HSUPA mobile station in various sectors. A sector based scheduling system for the high speed uplink packet access service is also provided in the present invention. The present invention correctly associates the HSUPA UE load and the sector load, solves the problem of the larger overload or the larger underload, and improves the HSUPA throughput by several times.
    Type: Grant
    Filed: December 30, 2008
    Date of Patent: June 2, 2015
    Assignee: ZTE Corporation
    Inventors: Jiewei Ding, Yuanping Zheng, Changchun Tang, Chen Wang
  • Patent number: 8948070
    Abstract: A scheduling method and system for high speed uplink packet access which comprises the following two-level scheduling: a first level scheduling for distributing the target rise over thermal (RoT) of each user equipment (UE); and a second level scheduling for tracking the assigned to target RoT via transmitting a relative authority instruction, according to the current authority and channel quality of the UE.
    Type: Grant
    Filed: January 10, 2007
    Date of Patent: February 3, 2015
    Assignee: ZTE Corporation
    Inventors: Zijun Liang, Zhuo Yang, Chen Wang, Changchun Tang
  • Publication number: 20120020228
    Abstract: A sectorized scheduling method for the high speed uplink packet access service is provided in the present invention, the method comprises: obtaining the current sector load of each sector and the current high speed uplink packet access service HSUPA mobile station load of each sector, and the maximal allowable sector load of each sector; obtaining the rest available sector load based on the maximal allowable load and the current sector load, performing load assignment for each sector based on the rest available sector load and the distribution of HSUPA mobile station in various sectors. A sector based scheduling system for the high speed uplink packet access service is also provided in the present invention. The present invention correctly associates the HSUPA UE load and the sector load, solves the problem of the larger overload or the larger underload, and improves the HSUPA throughput by several times.
    Type: Application
    Filed: December 30, 2008
    Publication date: January 26, 2012
    Applicant: ZTE CORPORATION
    Inventors: Jiewei Ding, Yuanping Zheng, Changchun Tang, Chen Wang
  • Publication number: 20110038323
    Abstract: A scheduling method and system for high speed uplink packet access which comprises the following two-level scheduling: a first level scheduling for distributing the target rise over thermal (RoT) of each user equipment (UE); and a second level scheduling for tracking the assigned to target RoT via transmitting a relative authority instruction, according to the current authority and channel quality of the UE.
    Type: Application
    Filed: January 10, 2007
    Publication date: February 17, 2011
    Applicant: ZTE Corporation
    Inventors: Zijun Liang, Zhuo Yang, Chen Wang, Changchun Tang