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Notch interdigital printed monopole ultra-wide band antenna

An ultra-wideband antenna and interdigital technology, which is applied to antennas, electrical components, etc., can solve the problems of increasing degrees of freedom and difficulty in structure optimization, and achieve the effects of high gain, simple structure and large bandwidth.

Inactive Publication Date: 2013-05-08
XIAMEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As far as the feed structure is concerned, it can be mainly divided into two types: microstrip feed and coplanar waveguide feed. Relatively speaking, the coplanar waveguide structure has advantages in increasing the bandwidth, but due to the increase in the degree of freedom, its structural optimization becomes more difficult.

Method used

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  • Notch interdigital printed monopole ultra-wide band antenna
  • Notch interdigital printed monopole ultra-wide band antenna
  • Notch interdigital printed monopole ultra-wide band antenna

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Embodiment Construction

[0019] The present invention will be further described below in conjunction with embodiment and accompanying drawing.

[0020] see Figure 1~3 , the present invention is provided with a double-sided copper-clad dielectric substrate 1, one side of the dielectric substrate is a notch radiation element 2 and a microstrip line 3, and the other side of the dielectric substrate 1 is a three-step ground plane 4.

[0021] The dielectric substrate 1 is an ordinary F4BK-2 double-sided copper-clad circuit rectangular dielectric substrate with a length of 24.0mm±0.1mm and a width of 35.0mm±0.1mm. The fork arm width of the notched interdigital radiation element is 4.0mm±0.1mm, the depth of the notched fork is 10.0mm±0.1mm, and the distance between the two notched fork arms is 8.0mm±0.1mm, located on the front of the dielectric substrate 1, its The interdigitated arms are flush with the upper edge of the dielectric substrate 1 . The distance from the left and right edges of the dielectric...

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Abstract

The invention discloses a notch interdigital printed monopole ultra-wide band antenna and relates to a printed monopole antenna, wherein the notch interdigital printed monopole ultra-wide band antenna has the characteristics of small size, big band width, lower echo loss, high gain, high radiation efficiency, simple structure and all-direction radiation property. The antenna is provided with a double-face copper-clad medium base plate, one face of the medium base plate is cut to form an interdigital notch, the front face of the medium base plate is provided with a microstrip line, a notch interdigital radiation element is positioned at the center of the upper end of the medium base plate, and the interdigital notch is in the same level as the upper edge of the medium base plate; a mcirostrip line is cut from the lower edge of the notch interdigital radiation element and stretches to the lower edge of the medium base plate; the lower end of the back face of the medium base plate is a three-step grounding face, and a clearance is left between the three-step grounding face and the rectangular array arranged on the front face of the medium base plate.

Description

technical field [0001] The invention relates to a printed monopole antenna, in particular to a notched interdigitated printed monopole ultra-wideband antenna. Background technique [0002] With the development of wireless communication technology, people have higher and higher requirements for high-speed and short-distance wireless communication. The emergence of ultra-wideband (UWB) technology has realized ultra-wideband and high-speed data transmission within a short distance. The characteristics of its modulation mode and multiple access technology make it have the characteristics of wide bandwidth, high-speed data transmission, low power consumption, and high security performance that other wireless communication technologies cannot have. Ultra-wideband (UWB) wireless communication technology is a short-distance and large-capacity wireless communication method that is widely concerned at present. The US Federal Communications Commission (FCC) specifies the 3.1-10.6GHz f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q13/08
Inventor 李伟文蔡立绍柳青游佰强严新金
Owner XIAMEN UNIV
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