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A millimeter-wave circularly polarized multi-beam planar cylindrical dielectric lens antenna

A dielectric lens antenna, flat lens technology, applied to antenna unit combinations, antennas, antenna arrays and other directions with different polarization directions, can solve the problems of difficult processing of spherical media and difficult design of circularly polarized feeds, and achieve the realization of double circular polarizing effect

Active Publication Date: 2021-03-26
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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Problems solved by technology

[0008] The object of the present invention is to solve the problem of realizing circular polarization of the above-mentioned multi-beam antenna: it is difficult to design the circularly polarized feed source of the spherical medium and the flat cylindrical dielectric lens, and to provide a millimeter-wave circularly polarized multi-beam flat cylindrical dielectric lens Antenna, the specific technical solution is:

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  • A millimeter-wave circularly polarized multi-beam planar cylindrical dielectric lens antenna
  • A millimeter-wave circularly polarized multi-beam planar cylindrical dielectric lens antenna
  • A millimeter-wave circularly polarized multi-beam planar cylindrical dielectric lens antenna

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Embodiment Construction

[0018] Below in conjunction with accompanying drawing and embodiment the present invention will be described in further detail; For the sake of reference and clarity, the description, abbreviation or abbreviation of technical term used hereinafter are summarized as follows:

[0019] Horn antenna: The opening surface of the waveguide structure is expanded to improve the matching between the waveguide and the free space, so that the electromagnetic energy can be well radiated;

[0020] Yagi antenna: an end-fire antenna formed by a passive reflector and several passive directors arranged in parallel, with high directivity;

[0021] Substrate-integrated waveguide: Substrate-integrated waveguide has a number of metallized via holes on the substrate, which can be equivalent to a rectangular waveguide filled with dielectric, which has the advantage of easy integration;

[0022] The present invention aims at the problem that the plate cylindrical dielectric lens antenna array in the b...

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Abstract

The invention belongs to the technical field of millimeter wave circularly polarized multi-beam antenna, in particular to a millimeter wave circularly polarized multi-beam planar cylindrical dielectric lens antenna and is used to overcome the problems of circular polarization of multi-beam antennas and processing difficulty of spherical dielectric and design difficulty of circular polarization feed source of the planar cylindrical dielectric lens. The antenna of the invention comprises a lens and a plurality of feed antennas. The feed antennas are composed of a yagi antenna, a horn antenna anda feed network. The invention uses the yagi antenna and the horn antenna to feed the lens antenna, and solves the problem that it is difficult for the cylindrical dielectric lens to add the circularpolarization feed source because of the limited space of the flat plate. The 3dB coupler connects the Yagi antenna and the horn antenna through the vertical conversion structure, and realizes the dualcircular polarization of the lens antenna.

Description

technical field [0001] The invention belongs to the technical field of millimeter-wave circularly polarized multi-beam antennas, and relates to a millimeter-wave circularly polarized multi-beam cylindrical dielectric lens antenna, in particular to a millimeter-wave circularly polarized multi-beam flat plate cylindrical dielectric lens antenna. Background technique [0002] Now that the deployment of 4G communication is completed, its functions have reached saturation. In order to meet the higher requirements for the communication rate, channel capacity, data throughput, and user coverage of the communication system, 5G communication has emerged as the times require. Millimeter wave can fit 5G communication very well. As the front end of the communication system, the antenna needs to have a higher gain to ensure a longer communication distance and achieve a faster communication rate; the antenna needs to be able to work in a higher frequency band , in the millimeter wave band...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q1/50H01Q13/02H01Q15/02H01Q19/06H01Q19/30H01Q21/00H01Q21/24
CPCH01Q1/50H01Q13/02H01Q15/02H01Q19/06H01Q19/30H01Q21/0006H01Q21/24
Inventor 程钰间夏飞扬柏航江昀隆樊勇张波林先其张永鸿赵明华
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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