Unlock instant, AI-driven research and patent intelligence for your innovation.

Low frequency radiating unit and antenna

A radiating unit and low-frequency technology, applied in the antenna, radiating element structure, antenna coupling and other directions, can solve the problems of high-frequency radiation pattern distortion and serious mutual coupling of each frequency band, so as to reduce interference, improve radiation performance, and reduce interference Effect

Pending Publication Date: 2021-12-31
COMBA TELECOM TECH (GUANGZHOU) CO LTD +1
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the mainstream multi-frequency sharing antenna needs to support the integration of multiple frequency bands such as 690-960MHz / 1690-2690MHz / 3300-3800MHz. The shielding of the high-frequency radiation unit by the unit causes the distortion of the high-frequency radiation pattern

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
  • Low frequency radiating unit and antenna
  • Low frequency radiating unit and antenna
  • Low frequency radiating unit and antenna

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0029] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0030] Such as figure 1 As shown, the present invention provides a low-frequency radiation unit 1, which includes two pairs of vertically polarized radiation arms 11 and a feeding balun (not shown in the figure) for supporting and feeding the radiation arms 11 . The radiating arm 11 includes an impedance matching section 111 for impedance matching and a filtering section 112 for reducing interference to the high-frequency radiation unit. The impedance matching section 111 and the filtering section 112 are each provided with multiple sect...

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

The present invention provides a low-frequency radiation unit and an antenna, the technical solution of which is that the low-frequency radiation unit includes two pairs of vertically polarized radiation arms, the radiation arms include an impedance matching section and a filter section, and the filter section includes at least a pair of The radiating arm has a symmetrical extension in the extension direction, a wave-transmitting port is formed between each pair of the extension, the impedance matching section and the filter section are alternately distributed, and the two ends of the extension are respectively matched with two impedances The sections are electrically connected, and the filter section is used to reverse the phases of the local high-frequency coupling currents flowing through the two bends so as to cancel out the parasitic radiation of the high-frequency coupling currents. By setting the filter section on the radiation arm, when the high-frequency coupling current flows through the two bends, the phase of the high-frequency coupling current is opposite, and the parasitic radiation cancels each other, thereby reducing the interference to the high-frequency radiation unit and improving the high-frequency Radiation pattern.

Description

technical field [0001] The invention relates to the technical field of mobile communication, in particular to a low-frequency radiation unit and an antenna. Background technique [0002] The miniaturization design of multi-band shared antenna has become a research hotspot in the mobile communication base station antenna industry. How to design different frequency band antennas with a common aperture within a smaller cross-sectional size without sacrificing the performance indicators of each frequency band has become an urgent problem to be solved. [0003] At present, the mainstream multi-frequency sharing antenna needs to support the integration of multiple frequency bands such as 690-960MHz / 1690-2690MHz / 3300-3800MHz. The shielding of the high-frequency radiation unit by the unit causes the distortion of the high-frequency radiation pattern. Contents of the invention [0004] The primary object of the present invention is to provide a low-frequency radiating unit that c...

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): H01Q1/36H01Q1/52H01Q15/00H01Q1/38H01Q21/30
CPCH01Q1/36H01Q1/521H01Q15/0053H01Q1/38H01Q21/30
Inventor 贾飞飞徐慧俊郑之伦王强刘培涛
Owner COMBA TELECOM TECH (GUANGZHOU) CO LTD