Patents by Inventor Zuwu ZHU

Zuwu ZHU 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).

  • Base station antenna and base station antenna feed network
    Patent number: 9049083
    Abstract: Embodiments of the present invention relate to the field of communications technologies, and provide a base station antenna and a base station antenna feed network. The base station antenna includes a transceiver array, a first-level vector synthesis network, a second-level phase shifter array, a second-level vector synthesis network, and an antenna unit array. By using the second-level vector synthesis network, the base station antenna makes phase differences between multiple vector signals sent to antenna units smoother, thereby extending an adjustable range of a downtilt on the premise that the number of transceivers is as small as possible.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: June 2, 2015
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Pinghua He, Ming Al, Weihong Xiao, Zuwu Zhu
  • BASE STATION ANTENNA AND BASE STATION ANTENNA FEED NETWORK
    Publication number: 20150098495
    Abstract: Embodiments of the present invention relate to the field of communications technologies, and provide a base station antenna and a base station antenna feed network. The base station antenna includes a transceiver array, a first-level vector synthesis network, a second-level phase shifter array, a second-level vector synthesis network, and an antenna unit array. By using the second-level vector synthesis network, the base station antenna makes phase differences between multiple vector signals sent to antenna units smoother, thereby extending an adjustable range of a downtilt on the premise that the number of transceivers is as small as possible.
    Type: Application
    Filed: December 11, 2014
    Publication date: April 9, 2015
    Inventors: Pinghua HE, Ming AI, Weihong XIAO, Zuwu ZHU