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Odd-even mode fused miniaturized broadband narrow-slit antenna

A broadband, odd-even technology, applied in the field of antenna components and antenna combination devices, can solve problems such as increasing the size of the antenna, and achieve the effects of low cross-polarization, reduced impact, and low profile

Active Publication Date: 2021-06-04
XIDIAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this antenna needs to be implemented with a feed network, so the introduction of the feed network greatly increases the size of the antenna, and requires multiple slots instead of a single slot to excite

Method used

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  • Odd-even mode fused miniaturized broadband narrow-slit antenna
  • Odd-even mode fused miniaturized broadband narrow-slit antenna
  • Odd-even mode fused miniaturized broadband narrow-slit antenna

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] see Figure 1 to Figure 5 , a miniaturized broadband narrow-slot antenna with odd and even mode fusion, including a metal floor 1, a dielectric layer 4 and a microstrip layer stacked in sequence, and also includes a metal post 6 and a feed connector; the metal floor 1 is provided with a first A slit 2 and a second slit 3, the first slit 2 is composed of a bent portion and a straight portion 23; the straight portion 23 is connected to the second slit 3 through the bent portion; the first The width of the gap 2 is smaller than the width of the second gap 3; the microstrip layer is provided with a microstrip 5, one end of the microstrip 5 is connected to the feed connector, and the other end is connected to the metal floor through the metal column 6 1 connection; the projection of the microstrip 5 falling on the metal floor 1 intersects the first gap 2 .

[0031]The microstrip 5 is used for feeding, and its connection with the metal post 6 excites multiple modes in the an...

Embodiment 2

[0033] Based on the above structure, the length direction of the straight portion 23 is consistent with the length direction of the second slit 3 .

Embodiment 3

[0035] On the basis of the above structure, the length direction of the straight portion 23 and the length direction of the second slit 3 are parallel to each other, and the straight portion 23 and the microstrip 5 are orthogonal to each other.

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Abstract

The invention provides an odd-even mode fused miniaturized broadband narrow-slit antenna, which comprises a metal floor, a dielectric layer and a microstrip layer which are stacked in sequence, and further comprises a metal column and a feed connector. A first gap and a second gap are formed in the metal floor, and the first gap is composed of a bent part and a straight part; the straight part is connected with the second gap through the bent part; the width of the first gap is smaller than that of the second gap; the microstrip layer is provided with a microstrip, one end of the microstrip is connected with the feed connector, and the other end of the microstrip is connected with the metal floor through a metal column. The projection of the microstrip on the metal floor intersects with the first gap. The stepped and bent radiation slots are adopted, and the total size of the slots is miniaturized, so that the high performance of low profile, wide band, odd-even mode fusion, low cross polarization, top radiation and stable radiation of the antenna is ensured, the influence of the antenna on the shape of a carrier is reduced to the greatest extent, the miniaturization of the antenna is facilitated, and the utilization rate of an installation space is improved.

Description

technical field [0001] The invention relates to the technical field of an antenna component and an antenna combination device, in particular to a miniaturized broadband narrow-slot antenna with fusion of odd and even modes. Background technique [0002] With the rapid development of modern wireless communication systems, slot antennas have received more and more attention due to their advantages such as low loss, small size, and light weight. However, the narrow bandwidth of traditional single-mode radiating slot antennas greatly limits its application in communication systems. [0003] In order to solve this problem, in the past two decades, researchers have proposed some effective methods, such as reducing the aspect ratio of the slot antenna to 1, introducing multiple radiation slots, introducing feeding structures and adopting multiple Radiation mode, etc. The patent "Tightly Coupled Slot Broadband Antenna" (CN 209709179 U) discloses that the bandwidth of the microstri...

Claims

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Application Information

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IPC IPC(8): H01Q1/38H01Q1/48H01Q1/50H01Q13/10
CPCH01Q1/38H01Q1/48H01Q1/50H01Q13/106
Inventor 刘能武孙美娇傅光祝雷
Owner XIDIAN UNIV