Patents by Inventor Dezheng LIU

Dezheng LIU 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).

  • Patent number: 12028118
    Abstract: This application provides an antenna calibration apparatus and an antenna calibration method. The antenna calibration apparatus includes: l antennas; l antenna filters, where first ends of the l antenna filters are respectively connected to the l antennas; l radio frequency links, respectively connected to second ends of the l antenna filters; and a calibration circuit, connected to each of the second ends of the l antenna filters, and configured to: send or receive a first calibration signal through a position between each antenna filter in the l antenna filters and a radio frequency link connected to the second end of each antenna filter; and calibrate each antenna based on the first calibration signal.
    Type: Grant
    Filed: February 28, 2022
    Date of Patent: July 2, 2024
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Wei Chen, Min Chen, Kan Li, Fang Chen, Dezheng Liu
  • Patent number: 11901615
    Abstract: The present invention discloses a base station, including a radome, a radiator, and an adapter board. The adapter board includes a first board surface and a second board surface that are disposed oppositely, the radome is fastened to the first board surface, a first cavity configured to accommodate an antenna component of the communication base station is formed between the radome and the adapter board, the radiator includes a mounting surface and a side wall that are neighboring to each other, a second cavity configured to accommodate a radio frequency component of the communication base station is recessed on the mounting surface, the mounting surface is fixedly connected to the second board surface, the second cavity is communicated with the first cavity, a connector configured to communicate the radio frequency component with an external circuit is mounted on the side wall, and is electrically connected to the radio frequency component.
    Type: Grant
    Filed: January 31, 2022
    Date of Patent: February 13, 2024
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Shineng Chen, Dezheng Liu, Feng Peng, Jin Jiang
  • Publication number: 20220182156
    Abstract: This application provides an antenna calibration apparatus and an antenna calibration method. The antenna calibration apparatus includes: l antennas; l antenna filters, where first ends of the l antenna filters are respectively connected to the l antennas; l radio frequency links, respectively connected to second ends of the l antenna filters; and a calibration circuit, connected to each of the second ends of the l antenna filters, and configured to: send or receive a first calibration signal through a position between each antenna filter in the l antenna filters and a radio frequency link connected to the second end of each antenna filter; and calibrate each antenna based on the first calibration signal.
    Type: Application
    Filed: February 28, 2022
    Publication date: June 9, 2022
    Inventors: Wei CHEN, Min CHEN, Kan LI, Fang CHEN, Dezheng LIU
  • Publication number: 20220158332
    Abstract: The present invention discloses a base station, including a radome, a radiator, and an adapter board. The adapter board includes a first board surface and a second board surface that are disposed oppositely, the radome is fastened to the first board surface, a first cavity configured to accommodate an antenna component of the communication base station is formed between the radome and the adapter board, the radiator includes a mounting surface and a side wall that are neighboring to each other, a second cavity configured to accommodate a radio frequency component of the communication base station is recessed on the mounting surface, the mounting surface is fixedly connected to the second board surface, the second cavity is communicated with the first cavity, a connector configured to communicate the radio frequency component with an external circuit is mounted on the side wall, and is electrically connected to the radio frequency component.
    Type: Application
    Filed: January 31, 2022
    Publication date: May 19, 2022
    Inventors: Shineng CHEN, Dezheng LIU, Feng PENG, Jin JIANG
  • Patent number: 9258050
    Abstract: Embodiments of the present invention relate to the field of wireless communication technologies, and provide a transceiving module, an antenna, a base station and a signal receiving method, which are capable of implementing receiving of four dual-band signals and improving uplink network performance of a base station. The transceiving module includes a combining-splitting network, a set of transceiving unit arrays and a signal processing unit that are connected to each other in sequence, and further includes a combining network setting with a connection point connected to another transceiving module, a co-element filter unit separately connected to the combining-splitting network and the combining network, and a pair of receiving units connected to the signal processing unit, where the pair of receiving units in the transceiving module is disposed with a connection point connected to the another transceiving module. The embodiments of the present invention apply to the field of communication.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: February 9, 2016
    Assignee: Huawei Technologies Co., LTD.
    Inventors: Dezheng Liu, Tao Pu, Weihua Sun, Zuojun Qin, Pinghua He
  • Publication number: 20150017920
    Abstract: Embodiments of the present invention relate to the field of wireless communication technologies, and provide a transceiving module, an antenna, a base station and a signal receiving method, which are capable of implementing receiving of four dual-band signals and improving uplink network performance of a base station. The transceiving module includes a combining-splitting network, a set of transceiving unit arrays and a signal processing unit that are connected to each other in sequence, and further includes a combining network setting with a connection point connected to another transceiving module, a co-element filter unit separately connected to the combining-splitting network and the combining network, and a pair of receiving units connected to the signal processing unit, where the pair of receiving units in the transceiving module is disposed with a connection point connected to the another transceiving module. The embodiments of the present invention apply to the field of communication.
    Type: Application
    Filed: September 30, 2014
    Publication date: January 15, 2015
    Inventors: Dezheng Liu, Tao Pu, Weihua Sun, Zuojun Qin, Pinghua He
  • Patent number: 8588856
    Abstract: An antenna system is disclosed. In the antenna system, a first antenna element array includes multiple antenna elements, where the antenna elements are configured to receive and transmit signals in two different polarization directions; the first combiner-splitter is configured to combine signals, received by the multiple antenna elements; the active module is configured to receive combined signals in the two different polarization directions, and perform frequency translation on the combined signals to obtain baseband signals; at least one pair of receiving channels in the antenna system corresponds to a second antenna apparatus, and are configured to receive signals output by the second antenna apparatus in the two different polarization directions; and the active module is further configured to perform frequency translation on the signals received by the at least one pair of receiving channels to obtain baseband signals. In this way, the network performance gain is improved.
    Type: Grant
    Filed: December 18, 2012
    Date of Patent: November 19, 2013
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Dezheng Liu, Tao Pu, Weihua Sun, Zuojun Qin, Pinghua He
  • Publication number: 20130252671
    Abstract: An antenna system is disclosed. In the antenna system, a first antenna element array includes multiple antenna elements, where the antenna elements are configured to receive and transmit signals in two different polarization directions; the first combiner-splitter is configured to combine signals, received by the multiple antenna elements; the active module is configured to receive combined signals in the two different polarization directions, and perform frequency translation on the combined signals to obtain baseband signals; at least one pair of receiving channels in the antenna system corresponds to a second antenna apparatus, and are configured to receive signals output by the second antenna apparatus in the two different polarization directions; and the active module is further configured to perform frequency translation on the signals received by the at least one pair of receiving channels to obtain baseband signals. In this way, the network performance gain is improved.
    Type: Application
    Filed: December 18, 2012
    Publication date: September 26, 2013
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Dezheng LIU, Tao PU, Weihua SUN, Zuojun QIN, Pinghua HE