Vertically polarized omnidirectional printing filtering antenna

A filter antenna and vertical polarization technology, applied in the field of communication technology, can solve the problems of high difficulty in processing dipoles with non-planar structures, complex feeding network, strong parasitic radiation, etc., so as to avoid energy attenuation and good stray Signal, the effect of improving the reflection coefficient

Inactive Publication Date: 2012-02-22
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But in the higher frequency band, the dipole with non-planar structure is difficult and complex to process
The dipole array with planar structure needs to be fed by a power divider. The more radiating elements in the same array, the more complex the feeding network will be.
At the same time, as the frequency increases, such as in the Ku band, the complex feed network will cause problems such as large loss and strong spurious radiation.

Method used

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  • Vertically polarized omnidirectional printing filtering antenna
  • Vertically polarized omnidirectional printing filtering antenna
  • Vertically polarized omnidirectional printing filtering antenna

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Embodiment Construction

[0020] Below in conjunction with accompanying drawing and specific embodiment, further illustrate the present invention, should be understood that these embodiments are only for illustrating the present invention and are not intended to limit the scope of the present invention, after having read the present invention, those skilled in the art will understand various aspects of the present invention Modifications in equivalent forms all fall within the scope defined by the appended claims of this application.

[0021] The vertically polarized omnidirectional printed filter antenna is jointly designed and fabricated on a dielectric substrate by combining the SIW filter and the radiating unit with vertically polarized omnidirectional radiation characteristics. The filter antenna in the embodiment works in the Ku band, and the radiating unit is a series-fed microstrip patch array, and the metal patches in the array are printed on the upper and lower surfaces of the dielectric subst...

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Abstract

The invention discloses a vertically polarized omnidirectional printing filtering antenna which is prepared by employing printed circuit board (PCB) technology. The antenna is characterized in that: the antenna comprises a lower surface metal layer, a dielectric layer and an upper surface metal layer from the top down; one end of the upper surface metal layer is provided with a microstrip line which is connected with an SIW (substrate integrated waveguide) transmission line through a microstrip gradually change line, and the SIW transmission line is connected with a first series feed microstrip paster array through a gradually change printing parallel wire; the lower surface metal layer is provided with a second series feed microstrip paster array. The vertically polarized omnidirectional printing filtering antenna has the characteristics of easy preparation and high processing precision, and is especially suitable for high frequency like a Ku wave band usage.

Description

technical field [0001] The invention belongs to the application field of communication technology, and in particular relates to a vertically polarized omnidirectional printed filter antenna. Background technique [0002] In recent years, wireless communication technology has developed rapidly and has been widely used. Antennas are key components of wireless communication systems, and omnidirectional antennas have similar radiation characteristics in all directions. Modern communication systems require antennas that are low cost, easy to fabricate, and easy to integrate with other microwave radio frequency planar circuits. At present, low-frequency communication has tended to be saturated, so high-band, omnidirectional radiation, easy-to-fabricate, and easy-to-integrate antennas have become one of the new research hotspots. [0003] The vertically polarized omnidirectional radiation unit can be realized by using dipoles, and the radiation gain of a single dipole is limited,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q1/38H01Q13/08H01Q21/00
Inventor 余晨洪伟蒯振起
Owner SOUTHEAST UNIV
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