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: 20190319656
    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: Application
    Filed: June 27, 2019
    Publication date: October 17, 2019
    Inventors: Lanping Gong, Lianghong Xiang, Weihong Xiao
  • Publication number: 20190319343
    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: Application
    Filed: June 27, 2019
    Publication date: October 17, 2019
    Inventors: Naibiao WANG, Weihong XIAO
  • Patent number: 10446926
    Abstract: The present invention provides a base station antenna, including power dividers, network calibration modules, and connectors. The base station antenna further 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, which allows cables in different bands to be shared, reduces a quantity of used cables, is easy to implement in an actual layout and production, facilitates the layout and heat dissipation on the whole, satisfies user requirements, and reduces costs.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: October 15, 2019
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Weihong Xiao, Zhiqiang Liao, Wei Su
  • Publication number: 20190273317
    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: Application
    Filed: May 21, 2019
    Publication date: September 5, 2019
    Inventors: Weihong XIAO, Xinming LIU, Chunliang XU
  • Patent number: 10389018
    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: December 29, 2017
    Date of Patent: August 20, 2019
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Dingjiu Daojian, Weihong Xiao, Guoqing Xie, Xiaogang Xue
  • Patent number: 10367264
    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: July 30, 2019
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Weihong Xiao, Xinming Liu, Chunliang Xu
  • Patent number: 10243278
    Abstract: The present application provides a multi-frequency array antenna. The multi-frequency array antenna includes at least one dual-polarized low frequency subarray (21) and at least one dual-polarized high frequency subarray (22), where the dual-polarized low frequency subarray (21) and the dual-polarized high frequency subarray (22) are arranged, within a same radome (23), in parallel along an axial direction (24) of the multi-frequency array antenna, the dual-polarized low frequency subarray includes at least two types of dual-polarized low frequency radiation unit pairs (211), and each of the dual-polarized low frequency radiation unit pairs includes at least four low frequency radiation units.
    Type: Grant
    Filed: June 22, 2016
    Date of Patent: March 26, 2019
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Weihong Xiao, Naibiao Wang, Guoqing Xie
  • Publication number: 20180309209
    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: June 29, 2018
    Publication date: October 25, 2018
    Inventors: Weihong XIAO, He CUI, Kunpeng WANG
  • Publication number: 20180294578
    Abstract: Embodiments of this disclosure disclose a planar array antenna, including at least one first radiation array arranged along a first direction. The first radiation array includes at least one first radiation unit and at least one radiation unit pair, the first radiation unit and the radiation unit pair are disposed on an axis of the first radiation array, the radiation unit pair includes at least two second radiation units, and the at least two second radiation units are symmetric with respect to the axis of the first radiation array. In addition, the embodiments of this disclosure further disclose a communications device to which the planar array antenna is applied.
    Type: Application
    Filed: June 15, 2018
    Publication date: October 11, 2018
    Inventors: Weihong Xiao, Naibiao Wang, Guoqing Xie
  • Publication number: 20180248256
    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: Application
    Filed: April 30, 2018
    Publication date: August 30, 2018
    Inventors: Weihong XIAO, Zhiqiang LIAO
  • Publication number: 20180212323
    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: Application
    Filed: March 22, 2018
    Publication date: July 26, 2018
    Inventors: Dingjiu Daojian, Weihong Xiao, Yanmin Yu, Wei Luo
  • Patent number: 10028334
    Abstract: The present application discloses an antenna function extension apparatus, device, and method. The apparatus includes a control unit, a storage unit, an antenna identification unit, a modulation and demodulation unit, a power supply unit, a peripheral connection unit, a radio frequency (RF) channel, a first transceiver unit, and a second transceiver unit. The control unit is separately connected to the storage unit, the antenna identification unit, the peripheral connection unit, and the modulation and demodulation unit. The first transceiver unit is connected to the antenna identification unit. The second transceiver unit is separately connected to the modulation and demodulation unit, the power supply unit, and the peripheral connection unit.
    Type: Grant
    Filed: March 2, 2017
    Date of Patent: July 17, 2018
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Weihong Xiao, Jian Shen
  • Publication number: 20180192307
    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: Application
    Filed: February 28, 2018
    Publication date: July 5, 2018
    Inventors: Weihong XIAO, Zhiqiang LIAO
  • Publication number: 20180191083
    Abstract: Antenna elements (101, 102) used for multi-band antenna dual polarization include: four radiating elements (201), a balun element configured to feed power to the radiating elements (201), and a fastening plate (202) configured to fasten the balun element. The balun element includes two dielectric plates (203). Two signal transmission units (301), one feeding unit (401), and two filtering units (402) are printed on each dielectric plate (203). An LC resonant energy storage structure is constructed on the balun element by using the filtering units (402), and decoupling on a specific frequency band can be implemented by adjusting the filtering unit (402). Therefore, even if the antenna elements (101, 102) are applied to a scenario in which elements on different frequency bands work collaboratively, radiating elements (201) on different frequency bands are not coupled electromagnetically and strongly when the radiating elements are arranged closely.
    Type: Application
    Filed: February 27, 2018
    Publication date: July 5, 2018
    Applicant: Huawei Technologies Co, Ltd.
    Inventors: Dingjiu DAOJIAN, Weihong Xiao, Ye Yang, Chunbin Li
  • Publication number: 20180123226
    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: December 29, 2017
    Publication date: May 3, 2018
    Inventors: Dingjiu DAOJIAN, Weihong XIAO, Guoqing XIE, Xiaogang XUE
  • Publication number: 20180108990
    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: Application
    Filed: November 22, 2017
    Publication date: April 19, 2018
    Inventors: Weihong XIAO, Xinming LIU, Chunliang XU
  • Publication number: 20180083335
    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: Application
    Filed: November 28, 2017
    Publication date: March 22, 2018
    Inventors: Zhiqiang LIAO, Weihong XIAO, Qiyi LU, Zhuozhen XU
  • Patent number: 9763108
    Abstract: A remote electrical tilt antenna with a mismatching device built in and a method for matching a remote control unit (RCU) with a radio frequency (RF) port can accurately and efficiently determine a matching relationship between an RCU and an RF port. The remote electrical tilt antenna includes an RCU configured to receive a drive instruction, and configured to drive the gear; the gear, where the gear is connected to a phase shifter, the gear is driven by the RCU, and the gear, driven by the RCU, is configured to drive the phase shifter; and the phase shifter, where the phase shifter is configured to adjust a direction of an antenna beam, and a mismatching device is built in the phase shifter, where the mismatching device is associated with an RF channel, and the mismatching device is configured to enable the RF channel to generate impedance mismatch.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: September 12, 2017
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Jian Shen, Weihong Xiao
  • Publication number: 20170181222
    Abstract: The present application discloses an antenna function extension apparatus, device, and method. The apparatus includes a control unit, a storage unit, an antenna identification unit, a modulation and demodulation unit, a power supply unit, a peripheral connection unit, a radio frequency (RF) channel, a first transceiver unit, and a second transceiver unit. The control unit is separately connected to the storage unit, the antenna identification unit, the peripheral connection unit, and the modulation and demodulation unit. The first transceiver unit is connected to the antenna identification unit. The second transceiver unit is separately connected to the modulation and demodulation unit, the power supply unit, and the peripheral connection unit.
    Type: Application
    Filed: March 2, 2017
    Publication date: June 22, 2017
    Inventors: Weihong Xiao, Jian Shen
  • Patent number: 9673882
    Abstract: The present disclosure provides an antenna, a base station, and a beam processing method. The method includes: performing, by a hybrid network, phase adjustment for signals received from a transceiver, generating signals having a preset phase, and sending the signals to a power dividing apparatus; performing, by the power dividing apparatus, amplitude adjustment for the signals, and outputting multipath signals having an array amplitude and the preset phase to multiple antenna arrays; and transmitting, by the multiple antenna arrays, the multiple signals having the array phase and the array amplitude.
    Type: Grant
    Filed: April 22, 2013
    Date of Patent: June 6, 2017
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Ming Ai, Weihong Xiao