Patents by Inventor Cheng-Chun Hsieh

Cheng-Chun Hsieh 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).

  • Power allocation method for non-orthogonal multiple access system and base station using the same
    Patent number: 11399351
    Abstract: The disclosure provides a power allocation method for non-orthogonal multiple access (NOMA) systems and a base station thereof. The method includes the following steps: receiving a first channel estimation error parameter from first user equipment, and receiving a second channel estimation error parameter from second user equipment; configuring a first minimum rate requirement of the first user equipment and a second minimum rate requirement of the second user equipment; determining a power allocation factor according to the first channel estimation error parameter, the second channel estimation error parameter, the first minimum rate requirement, and the second minimum rate requirement; and determining first transmission power for the first user equipment and second transmission power for the second user equipment according to the power allocation factor.
    Type: Grant
    Filed: December 9, 2020
    Date of Patent: July 26, 2022
    Assignee: National Tsing Hua University
    Inventors: Chin-Liang Wang, Cheng-Chun Hsieh
  • POWER ALLOCATION METHOD FOR NON-ORTHOGONAL MULTIPLE ACCESS SYSTEM AND BASE STATION USING THE SAME
    Publication number: 20220132444
    Abstract: The disclosure provides a power allocation method for non-orthogonal multiple access (NOMA) systems and a base station thereof. The method includes the following steps: receiving a first channel estimation error parameter from first user equipment, and receiving a second channel estimation error parameter from second user equipment; configuring a first minimum rate requirement of the first user equipment and a second minimum rate requirement of the second user equipment; determining a power allocation factor according to the first channel estimation error parameter, the second channel estimation error parameter, the first minimum rate requirement, and the second minimum rate requirement; and determining first transmission power for the first user equipment and second transmission power for the second user equipment according to the power allocation factor.
    Type: Application
    Filed: December 9, 2020
    Publication date: April 28, 2022
    Applicant: National Tsing Hua University
    Inventors: Chin-Liang Wang, Cheng-Chun Hsieh