Patents by Inventor Weihong Xiao

Weihong Xiao 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: 20200259248
    Abstract: Embodiments of the present disclosure provide an antenna, including a first antenna portion and a detachable second antenna portion that is connected to the first antenna portion, where the first antenna portion includes a first radome and a first reflection plate disposed in the first radome, the second antenna portion includes a second radome and a second reflection plate disposed in the second radome, and a working surface of the first reflection plate and a working surface of the second reflection plate are coplanar; and a plurality of antenna arrays on the working surface of the first reflection plate and a plurality of antenna arrays on the working surface of the second reflection plate are configured to construct different types of antennas based on a quantity of frequency bands and a quantity of transmit and receive channels that are configured for the antenna.
    Type: Application
    Filed: April 29, 2020
    Publication date: August 13, 2020
    Inventors: Jinsong Lv, Tao Pu, Weihong Xiao, Honggang Xu, Runxiao Zhang
  • Publication number: 20200235489
    Abstract: The embodiments of this disclosure disclose an array antenna system. The array antenna system includes M antenna radiation units, a strip line feed system, a strip line ground plane, and a strip line cavity; the strip line feed system includes a phase shift circuit and N first printed circuit boards PCBs configured to implement a power allocation function and/or a phase compensation function; the phase shift circuit is located in the strip line cavity. P first PCBs are located on an outer surface of the strip line cavity; all or some of the M antenna radiation units are connected to signal planes of the N first PCBs, and the signal planes of the N first PCBs are in a radio frequency connection to the phase shift circuit by using probes; and ground planes of the N first PCBs are in a radio frequency connection to the strip line ground plane.
    Type: Application
    Filed: January 24, 2020
    Publication date: July 23, 2020
    Inventors: Weihong Xiao, He Cui, Kunpeng Wang
  • Patent number: 10714820
    Abstract: The present application discloses a radiation apparatus, the apparatus comprises at least four radiators, two L-shaped feeding sheets, and a balun structure, the balun structure consists of four L-shaped structures formed by eight conductive plates; and each L-shaped structure is formed by two conductive plates arranged at approximately 90 degrees, each L-shaped structure is electrically connected to one radiator at one end of the balun structure, and angles between a length direction of the radiator and two conductive plates are approximately 45 degrees; every two adjacent L-shaped structures are arranged in a T shape, and the four radiators are approximately in a cross shape and are approximately in a same horizontal plane; two adjacent conductive plates of every two L-shaped structures are approximately parallel to each other and are spaced by a preset distance to form four feeding slots.
    Type: Grant
    Filed: August 5, 2019
    Date of Patent: July 14, 2020
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Dingjiu Daojian, Weihong Xiao, Guoqing Xie, Xiaogang Xue
  • Publication number: 20200220252
    Abstract: The present disclosure relates to stripline cavity structures. One example stripline cavity structure is disposed on a back surface of a reflecting plate, and first avoidance holes are provided on the reflecting plate. The stripline cavity structure includes at least one second conductor strip, the stripline cavity structure is disposed on the back surface of the reflecting plate, and the second conductor strip passes through the first avoidance holes to be connected to the first conductor strip in a microstrip circuit.
    Type: Application
    Filed: March 19, 2020
    Publication date: July 9, 2020
    Inventors: Weihong XIAO, Zhiqiang LIAO
  • Publication number: 20200208401
    Abstract: Some embodiments of the disclosure provide a bamboo building curtain wall plate. According to an embodiment, the bamboo building curtain wall plate include a bamboo substrate, a metal connecting member, and a weather-resistant outer-decorative coating layer. The metal connecting member is disposed on the back surface of the bamboo substrate and connectable to the main body of a building. The weather-resistant outer-decorative coating layer is disposed on the front surface of the bamboo substrate. According to another embodiment, the bamboo substrate includes an outer layer which is a wood veneer or a bamboo material, and a core layer which is a bamboo material. According to a further embodiment, the bamboo substrate has a thickness of 8-15 mm.
    Type: Application
    Filed: July 19, 2019
    Publication date: July 2, 2020
    Inventors: XIANLU YU, ZHENG WANG, YAN YU, HUANGGUI WU, WEIHONG XIAO, SHANGLU LIN
  • Publication number: 20200119426
    Abstract: The present disclosure relates to base station antennas. One example base station antenna includes at least two antennas, at least two outer cover structures, a fastening assembly, a connection assembly, and an upper cover, and each antenna is independently packaged in a radome. The fastening assembly includes a pole and a base. A bottom of the pole is mounted on the base. The connection assembly includes an antenna connection assembly, an outer cover connection assembly, and a pole connection assembly. The pole connection assembly is disposed on the pole, a top of the antenna is connected to the pole by using the antenna connection assembly and the pole connection assembly, and a bottom of the antenna is fastened on the bottom of the pole. Each of the outer cover structures is connected to the pole by using the outer cover connection assembly and the pole connection assembly.
    Type: Application
    Filed: December 13, 2019
    Publication date: April 16, 2020
    Inventors: Chenggang PENG, Weihong XIAO, Zhixiong ZHAO
  • Publication number: 20200112093
    Abstract: A base station antenna, including power dividers, network calibration modules, and connectors. The base station antenna includes at least two phase shifters. At least one phase shifter is integrated with a combiner, the connectors are connected to the network calibration modules, and the network calibration modules are connected to the phase shifters. The one phase shifter integrated with the combiner is connected to the power divider, and at least one output port of the at least one other phase shifter is connected to the phase shifter integrated with the combiner. The base station antenna has an integrated design of phase shifters and combiners.
    Type: Application
    Filed: October 14, 2019
    Publication date: April 9, 2020
    Inventors: Weihong Xiao, Zhiqiang Liao, Wei Su
  • Publication number: 20200099130
    Abstract: A multi-band antenna system and a method for controlling inter-band interference in the multi-band antenna system are provided. The multi-band antenna system includes at least one first radiating element and at least one second radiating element. An operating frequency band of the first radiating element is higher than an operating frequency band of the second radiating element. Each first radiating element includes a grounding structure, a balun, and at least two radiation arms. One end of the balun is electrically connected to the at least two radiation arms. The balun includes at least one conductive structure. The balun is configured to: after obtaining a differential mode signal, input the differential mode signal to the grounding structure using the at least one conductive structure. The differential mode signal is a signal obtained by the balun by sensing a signal from the second radiating element in a differential mode manner.
    Type: Application
    Filed: November 26, 2019
    Publication date: March 26, 2020
    Inventors: Dingjiu DAOJIAN, Zijing DU, Weihong XIAO, Zhiguo HUANG, Yili XU
  • Publication number: 20200083613
    Abstract: The present disclosure relates to antennas. One example antenna includes a reflective device, at least two radiating arrays whose operating bands are in a first preset frequency band, and a plurality of parasitic radiators. Each radiating array of the at least two radiating arrays includes a plurality of radiating elements. Each radiating array of the at least two radiating arrays is electrically disposed on the reflective device along a length direction of the reflective device, and the plurality of parasitic radiators are disposed between two adjacent radiating arrays in the at least two radiating arrays.
    Type: Application
    Filed: November 14, 2019
    Publication date: March 12, 2020
    Inventors: Wei LIU, Weihong XIAO, Dingjiu DAOJIAN
  • Patent number: 10573964
    Abstract: The application discloses an apparatus and a multi-band antenna network system. The apparatus includes at least two phase shifters. The phase shifters have different frequency bands. Each phase shifter includes a signal line layer and components that are configured to change a phase of an output port of the signal line layer. The components are slidable relative to the signal layer. A filter circuit is provided at an output port of the signal layer. Output ports of filter circuits corresponding to the at least two phase shifters are connected by a conductor, and perform output using a common output port.
    Type: Grant
    Filed: May 21, 2019
    Date of Patent: February 25, 2020
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Weihong Xiao, Xinming Liu, Chunliang Xu
  • Patent number: 10574280
    Abstract: Embodiments of the present application disclose a passive intermodulation suppression method and a passive intermodulation suppression system. The method in the embodiments of the present application includes: obtaining, by using a target uplink controllable gain module, a first power Pt of an uplink signal sent by an antenna; obtaining a second power Pb of a signal that is output from an output port of a base station; configuring a target attenuation of the base station; and adjusting the initial gain value based on the target attenuation to keep a gain of the base station constant. According to the method described in the embodiments, the base station can maintain the target attenuation constant in a process of adjusting a gain of the target uplink controllable gain module, thereby reducing a PIM requirement of a passive intermodulation suppression system.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: February 25, 2020
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Lanping Gong, Lianghong Xiang, Weihong Xiao
  • Patent number: 10573958
    Abstract: An array antenna and a network device are provided. The array antenna includes n radiating elements, a power splitter or a phase shifter, and a switching switch. The power splitter or the phase shifter includes n output ends and m input ends. The switching switch includes m first ports, K second ports, and a switch element, where the m first ports are respectively connected to the m input ends; and the K second ports are configured to couple an input signal. The switch element is configured to switch a connection relationship between the m first ports and the K second ports, so as to selectively output the input signal to at least one first port.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: February 25, 2020
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Naibiao Wang, Weihong Xiao
  • Patent number: 10560856
    Abstract: A phase shifter, an antenna, and a base station are provided. The phase shifter in the present invention includes a feed unit, a tapping element, a conductor section, and a ground element, and the feed unit is electrically connected to the tapping element. The tapping element is electrically connected to the ground element when being shifted by a preset angle by using a port of the conductor section as a start position, so that a transmit signal is reflected to an input port of the feed unit, and whether a cable is correctly connected is determined according to the signal of the input port, thereby signal transmission accuracy of an antenna is ensured.
    Type: Grant
    Filed: February 28, 2018
    Date of Patent: February 11, 2020
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Weihong Xiao, Zhiqiang Liao
  • Patent number: 10553939
    Abstract: Embodiments of the present invention relate to the communications field, and provide a radiating element of an antenna and an antenna. The radiating element includes: a reflection module, a power feed PCB disposed on the reflection module and electrically connected to the reflection module, and a radiating module disposed on the power feed PCB and electrically connected to the power feed PCB. A first surface of the power feed PCB includes a first signal cable and a grounding area of the radiating module. A second surface of the power feed PCB includes a grounding area of the power feed PCB and a second signal cable. The first signal cable is electrically connected to the second signal cable. The grounding area of the radiating module is electrically connected to the grounding area of the power feed PCB.
    Type: Grant
    Filed: March 22, 2018
    Date of Patent: February 4, 2020
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Dingjiu Daojian, Weihong Xiao, Yanmin Yu, Wei Luo
  • Patent number: 10553958
    Abstract: The embodiments of this disclosure disclose an array antenna system. The array antenna system includes M antenna radiation units, a strip line feed system, a strip line ground plane, and a strip line cavity; the strip line feed system includes a phase shift circuit and N first printed circuit boards PCBs configured to implement a power allocation function and/or a phase compensation function; the phase shift circuit is located in the strip line cavity, P first PCBs are located on an outer surface of the strip line cavity; all or some of the M antenna radiation units are connected to signal planes of the N first PCBs, and the signal planes of the N first PCBs are in a radio frequency connection to the phase shift circuit by using probes; and ground planes of the N first PCBs are in a radio frequency connection to the strip line ground plane.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: February 4, 2020
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Weihong Xiao, He Cui, Kunpeng Wang
  • Publication number: 20200036091
    Abstract: The present application discloses a radiation apparatus, the apparatus comprises at least four radiators, two L-shaped feeding sheets, and a balun structure, the balun structure consists of four L-shaped structures formed by eight conductive plates; and each L-shaped structure is formed by two conductive plates arranged at approximately 90 degrees, each L-shaped structure is electrically connected to one radiator at one end of the balun structure, and angles between a length direction of the radiator and two conductive plates are approximately 45 degrees; every two adjacent L-shaped structures are arranged in a T shape, and the four radiators are approximately in a cross shape and are approximately in a same horizontal plane; two adjacent conductive plates of every two L-shaped structures are approximately parallel to each other and are spaced by a preset distance to form four feeding slots.
    Type: Application
    Filed: August 5, 2019
    Publication date: January 30, 2020
    Inventors: Dingjiu DAOJIAN, Weihong XIAO, Guoqing XIE, Xiaogang XUE
  • Patent number: 10511088
    Abstract: The present invention relates to the field of communications technologies and discloses an antenna system, and the antenna system includes: a radiating element, at least one strip line ground plane and signal cavity, and at least one inner conductor, where the radiating element includes radiation arms, radiation baluns, and feeding inner cores; the strip line ground plane is used as a reflective surface of the radiating element; the baluns of the radiating element are electrically connected to the strip line ground plane, and all of at least two feeding inner cores of the radiating element are electrically connected to one inner conductor. Therefore, a feeding manner of an existing array antenna can be optimized very conveniently, assembly time is greatly reduced, quantities of welding points and cables are reduced, and consistency and reliability are improved.
    Type: Grant
    Filed: April 30, 2018
    Date of Patent: December 17, 2019
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Weihong Xiao, Zhiqiang Liao
  • Patent number: 10505251
    Abstract: A cable and a high-frequency device are provided to reduce passive intermodulation interference. The cable includes a strip line and a coaxial line. The strip line includes (in an outer-to-inner sequence) a strip-line outer conductor, a strip-line signal cavity, and a strip-line inner conductor. The coaxial line includes (in an outer to inner sequence) a coaxial-line outer conductor, a first insulation medium, and a coaxial-line inner conductor. The cable further includes a coupling ground plane provided with a coupling aperture portion. The coaxial line is disposed in the coupling aperture portion, the coaxial-line outer conductor is coupled to the coupling ground plane, the strip-line outer conductor is connected to the coupling ground plane, and the strip-line inner conductor is connected to the coaxial-line inner conductor.
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: December 10, 2019
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Zhiqiang Liao, Weihong Xiao, Qiyi Lu, Zhuozhen Xu
  • Patent number: 10498028
    Abstract: The application discloses a combined phase shifter and a multi-band antenna network system. The combined phase shifter includes at least two phase shifters. The phase shifters have different frequency bands. Each phase shifter includes a signal line layer and components that are configured to change a phase of an output port of the signal line layer. The components are slidable relative to the signal layer. A filter circuit is provided at an output port of the signal layer. Output ports of filter circuits corresponding to the at least two phase shifters are connected by a conductor, and perform output using a common output port.
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: December 3, 2019
    Assignee: Huawei Technologies Co., LTD.
    Inventors: Weihong Xiao, Xinming Liu, Chunliang Xu
  • Publication number: 20190349050
    Abstract: This application discloses a beam generation method and a base station. In some implementations, planar array antennas are stacked vertically, to form two half planes, and element weighting is independently performed on each half plane. A signal generated by using a baseband may be mapped to an upper-half planar antenna array of a planar array antenna, or mapped to a lower-half planar antenna array of a planar array antenna, or mapped to both an upper-half planar antenna array of a planar array antenna and a lower-half planar antenna array of the planar array antenna, to form a beam.
    Type: Application
    Filed: July 24, 2019
    Publication date: November 14, 2019
    Inventors: Yannian LOU, Weihong XIAO, Ni MA, Jing YANG