Patents by Inventor Dongxu CAO

Dongxu CAO 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).

  • Heterogeneous cellular network
    Patent number: 9271152
    Abstract: Provided is a micro base station to be used in a heterogeneous cellular network. The micro base station has resources including frequency bands and time slots and being available for a user to use. The heterogeneous cellular network includes a plurality of base stations including a macro base station and the micro base station. The micro base station includes: an information acquiring part configured to acquire configuration information and load information of the micro base station, and to acquire configuration information and load information of a neighboring base station adjacent to the micro base station from the neighboring base station; and a resource selection part configured to select a part of the resources from the resources to provide the selected part of the resources to the user based on the configuration information and the load information of the micro base station and the neighboring base station.
    Type: Grant
    Filed: March 5, 2014
    Date of Patent: February 23, 2016
    Assignee: Hitachi, Ltd.
    Inventors: Dongxu Cao, Chunguang Liu, Sheng Zhou, Peng Yang, Zhisheng Niu, Mika Mizutani
  • HETEROGENEOUS CELLULAR NETWORK
    Publication number: 20140256329
    Abstract: Provided is a micro base station to be used in a heterogeneous cellular network. The micro base station has resources including frequency bands and time slots and being available for a user to use. The heterogeneous cellular network includes a plurality of base stations including a macro base station and the micro base station. The micro base station includes: an information acquiring part configured to acquire configuration information and load information of the micro base station, and to acquire configuration information and load information of a neighboring base station adjacent to the micro base station from the neighboring base station; and a resource selection part configured to select a part of the resources from the resources to provide the selected part of the resources to the user based on the configuration information and the load information of the micro base station and the neighboring base station.
    Type: Application
    Filed: March 5, 2014
    Publication date: September 11, 2014
    Applicant: HITACHI, LTD.
    Inventors: Dongxu CAO, Chunguang LIU, Sheng ZHOU, Peng YANG, Zhisheng NIU, Mika MIZUTANI