Electric little dimension antenna based on opening resonance loop structure

A split resonant ring and electrically small-sized technology, which is applied to antennas, radiating element structures, electrical components, etc., can solve problems such as antenna and feeder impedance mismatch, increase system complexity, and antenna performance deterioration, and reduce surface area. Wave effect, increase antenna efficiency, effect of compact structure

Active Publication Date: 2009-06-17
SOUTHEAST UNIV
View PDF0 Cites 5 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This results in a severe impedance mismatch between the antenna and the feedline, resulting in poor antenna performance
Traditional antenna matching network design will not only increase the complexity of the system, but also greatly increase the cost

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Electric little dimension antenna based on opening resonance loop structure
  • Electric little dimension antenna based on opening resonance loop structure
  • Electric little dimension antenna based on opening resonance loop structure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] In the present invention, the novel electrically small-sized antenna includes an antenna radiating unit 1, a bottom etched coplanar waveguide structure 2 and a metallized through hole 3; the bottom etched coplanar waveguide structure 2 is connected to the antenna radiating unit 1 through the metalized through hole 3 , the entire structure is integrated and printed on the microwave circuit board 4 .

[0017] The present invention is based on the split resonant ring structure, and the antenna radiation unit, the bottom surface etched coplanar waveguide, and the metallized through hole are integrated on the microwave circuit board, and the bottom surface etched coplanar waveguide is connected to the antenna unit through the metallized through hole. The antenna radiating unit is composed of two side-by-side metal patches, and there is a gap between the two metal patches to realize the energy conversion from the guided wave in the circuit to the electromagnetic wave in free s...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

An electrical small-sized antenna based on an opening resonant ring structure is composed of an antenna radiation unit 1, a bottom-surface etching coplanar waveguide structure 2 and plated through-holes 3, wherein a coplanar waveguide feeder line 21 feeds to an antenna system through a magnetic coupling method, the plated through-hole 31 is used to connect a metal patch and a coplanar waveguide ground to form a resonance circuit, the plated through-hole 32 is used to form a metal arm in a PCB substrate to increase equivalent capacitance of the system, an isolated metal sheet 22 and the coplanar waveguide feeder line 21 are on an identical ground plane, but are mutually separated to prevent resonant short-circuit. The invention has the advantages of small size, compact structure, low cost, high efficiency and the like, and can be conveniently integrated in a microstrip or a coplanar waveguide system to realize radio frequency front-end seamless connection.

Description

technical field [0001] The invention relates to an electrically small-sized antenna, in particular to an electrically small-sized antenna based on a resonant structure, which can be integrated and printed on a microwave circuit board to achieve high-efficiency radiation, and can be applied to a radio frequency front end of a small integrated system. Background technique [0002] Antenna integration and miniaturization are a major bottleneck in the development of RF front-ends for contemporary wireless communications. For traditional antennas, the smaller the size, the larger the radiation reactance and the smaller the radiation resistance. This results in a severe impedance mismatch between the antenna and the feedline, resulting in poor antenna performance. The traditional antenna matching network design will not only increase the complexity of the system, but also greatly increase the cost. The research on the new artificial electromagnetic structure provides a new solut...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): H01Q13/00H01Q13/08H01Q1/38
Inventor 崔铁军李孟林先其秦瑶
Owner SOUTHEAST UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap