Polarized reconfigurable magneto-electric dipole antenna

A dipole antenna and magnetoelectric technology, applied in the field of microwave passive devices, can solve problems such as inability to meet broadband wireless communication, complex communication system structure, and low application value, and achieve low loss, high radiation efficiency, and simple structure Effect

Active Publication Date: 2017-01-04
SHENZHEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, (1) although the polarization reconfigurable patch antenna is easy to implement and the cost is low, its working bandwidth is less than 10%, which cannot meet the ever-changing requirements of broadband wireless communication; (2) the polarization reconfigurable slot antenna Although it has a wider operating bandwidth, the lower gain will greatly limit its application value; (3) Althou

Method used

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Embodiment Construction

[0036]The polarization reconfigurable magnetoelectric dipole antenna of the present invention comprises a square upper PCB board, a square lower PCB board, a feed port and 4 antenna elements, and the center of the 4 antenna elements is symmetrically arranged on the opposite sides of the upper PCB board. corner line. The antenna unit includes DC feeder, small square patch, inductor, large square patch, triangular patch, electric control switch, DC wire, capacitor and square metal cylinder. The small square patch is the metal foil etched on the surface of the upper PCB board. , The large square patch and the triangular patch are metal foils etched on the lower surface of the upper PCB board. The small square patch is arranged directly above the triangular patch, and the two are connected through metallized vias. The triangular patch is arranged on the inner side of the large square patch, and the two are connected by an electric control switch. The capacitor is connected betwe...

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Abstract

The invention discloses a polarized reconfigurable magneto-electric dipole antenna, comprising a square upper PCB board, a square lower PCB board, a feed port and four antenna units. The four antenna units are arranged on the diagonals of the upper PCB board in a central symmetry mode. The lower PCB board comprises a square substrate integrated waveguide resonant cavity and a coupling slot. An inner conductor of the feed port is connected with patches on the upper surface of the lower PCB board. An outer conductor is connected with the patches on the lower surface of the lower PCB board. The polarized reconfigurable magneto-electric dipole antenna provided by the invention has the advantages of simple structure, low loss, wide bandwidth, high gain, high radiation efficiency and convenient switch among three polarized states. The polarized reconfigurable magneto-electric dipole antenna is very applicable to a modern wireless communication system, especially a 5G-band WiFi system.

Description

[0001] [technical field] [0002] The invention relates to a microwave passive device, in particular to a polarization reconfigurable magnetoelectric dipole antenna. [0003] [Background technique] [0004] With the vigorous development of wireless communication, modern wireless communication systems have increasingly higher requirements on the bandwidth and directivity of antennas. The existing broadband microstrip patch antennas and traditional directional dipole antennas can no longer meet the requirements. As a new generation of broadband directional antenna, the magnetoelectric dipole antenna has been widely concerned by the industry since it was proposed due to its advantages such as wide bandwidth, high gain, high radiation efficiency, compact structure, simple manufacturing process, and low cost. A magnetoelectric dipole usually consists of an electric dipole and a magnetic dipole placed orthogonally, and the two dipoles are placed together or separated by a small dista...

Claims

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Application Information

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IPC IPC(8): H01Q1/38H01Q1/50
Inventor 葛磊顾辉
Owner SHENZHEN UNIV
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