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Optically controlled polarization-reconfigurable monopole antenna

A monopole antenna and monopole technology, applied in the direction of antenna, resonant antenna, antenna grounding device, etc., can solve the problems of communication quality degradation, multipath interference, multipath fading, etc., and achieve low production cost and low antenna radiation impact Effects of small size, increased capacity and safety

Pending Publication Date: 2019-06-07
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In addition, with the development of wireless communication, the wireless communication environment is becoming more and more complex, multipath interference and multipath fading are serious, and the communication quality is degraded

Method used

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  • Optically controlled polarization-reconfigurable monopole antenna
  • Optically controlled polarization-reconfigurable monopole antenna
  • Optically controlled polarization-reconfigurable monopole antenna

Examples

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Embodiment

[0051] Such as Figure 1-Figure 3As shown, an optically controlled polarization reconfigurable monopole antenna includes a dielectric substrate 11, a ground plate unit 3, a microstrip line feed unit 8, a coaxial feed line unit, an antenna radiation unit 1, a parasitic radiation unit 2, A silicon chip optical switch and a reflector 7 ; the reflector 7 is spaced from the dielectric substrate 11 at a certain distance, and the dielectric substrate is fixed above the reflector through the support structure 4 . An antenna radiation unit, a parasitic radiation unit, a microstrip line feed unit and an optical switch are printed on the upper surface of the dielectric substrate, and a ground plane unit 3 is printed on the lower surface of the dielectric substrate. The reflector is a square box, the material of the reflector is a 1mm copper plate, the support structure is an insulating material, the insulating support structure is a plastic column, the feed port is located directly below...

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Abstract

The invention discloses an optically controlled polarization-reconfigurable monopole antenna. The optically controlled polarization-reconfigurable monopole antenna comprises a reflecting plate and a dielectric substrate, the dielectric substrate is fixed to the position above the reflecting plate through supporting structures, an antenna radiation unit, a parasitic unit, a microstrip line feed unit and optical switches are printed on the upper surface of the dielectric substrate, and an earth plate unit is printed on the lower surface of the dielectric substrate; the antenna radiation unit comprises a C-shaped monopole, and the C-shaped monopole is provided with a groove and L-shaped grooves; the parasitic radiation unit is located in the groove, and the optical switches are located at thejunction of the microstrip line feed unit and antenna radiation unit; and the optically controlled polarization-reconfigurable monopole antenna further comprises a coaxial feeder line unit, and the coaxial feeder line unit feeds electricity to the microstrip line feed unit through the dielectric substrate. The optically controlled polarization-reconfigurable monopole antenna is of a planar structure, radiates directionally by using the reflecting plate, has good directionality and can achieve a polarization-reconfigurable effect in three modes.

Description

technical field [0001] The invention relates to the research field of mobile communication, in particular to an optically controlled polarization reconfigurable monopole antenna. Background technique [0002] Antenna is an essential part of wireless communication. With the rapid development of wireless communication technology, antenna technology has also been developed rapidly. In order to reduce the cost of wireless communication systems, multi-functional, miniaturized, planar and broadband become antennas. Main trends in design. In order to achieve multi-functionality, reconfigurable antenna technology has become one of the key technologies of modern wireless communication, and is a research hotspot in the field of antenna theory and design. The polarization reconfigurable antenna is the focus of research, because it can switch the polarization mode with the best communication quality in real time according to the change of communication environment. [0003] In order t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q1/38H01Q1/48H01Q1/50H01Q9/30H01Q15/24H01Q19/10H01P1/10H01P1/15
Inventor 靳贵平李龙王伟廖绍伟
Owner SOUTH CHINA UNIV OF TECH
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