Radiating element and base station antenna

By designing a parasitic element with a meandering conductive path to form a coupling capacitance with the radiator in a cellular communication system, the problems of inter-array coupling interference and excessive size in beamforming base station antennas are solved, improving isolation performance and reducing the size of the base station antenna.

CN112582781BActive Publication Date: 2026-05-29OUTDOOR WIRELESS NETWORKS LLC
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
OUTDOOR WIRELESS NETWORKS LLC
Filing Date
2019-09-27
Publication Date
2026-05-29

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Abstract

The present application relates to a kind of radiation elements, the radiation element includes: radiator, feed rod and parasitic element, the radiator is fed by the feed rod, wherein, the parasitic element includes conductive structure, the conductive structure includes serpentine conductive path, and coupling capacitance is formed between conductive structure and radiator, and wherein, the center frequency of the operating frequency band of the radiator is greater than the center frequency of the first operating frequency band of parasitic element.Radiation element according to some embodiments of the present application can at least reduce the coupling interference between each array, improve isolation performance.In addition, the radiation element according to some embodiments of the present application can also be used to reduce the size of radiation element itself, so that radiation element is more compact.In addition, the present application also relates to a kind of base station antennas.
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Citation Information

Patent Citations

  • Radiation element and base station antenna

    CN210430081U

  • Directed dipole antenna

    US20050179610A1

  • Directional antenna structure with dipole antenna element

    US20150042533A1

  • Antenna element used for multi-band antenna dual polarization

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Cited By

  • Radiating elements having parasitic elements for increased isolation and base station antennas including such radiating elements

    EP3799203A1