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A Broadband Endfire Antenna Array for Millimeter Wave Communication Systems

A communication system, end-fire antenna technology, applied in the direction of antenna arrays, antennas, specific array feeding systems, etc.

Active Publication Date: 2020-09-11
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, due to the limitation of the bandwidth of the feed network and the bandwidth of the antenna unit, the bandwidth of the antenna array in the millimeter wave band generally does not exceed 40%

Method used

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  • A Broadband Endfire Antenna Array for Millimeter Wave Communication Systems
  • A Broadband Endfire Antenna Array for Millimeter Wave Communication Systems
  • A Broadband Endfire Antenna Array for Millimeter Wave Communication Systems

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Embodiment Construction

[0035] Below in conjunction with specific embodiment, further illustrate the present invention, should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention, after having read the present invention, those skilled in the art will understand various equivalent forms of the present invention All modifications fall within the scope defined by the appended claims of the present application.

[0036] A broadband end-fire antenna array for a millimeter wave communication system, the broadband end-fire antenna array is composed of a SICL broadband feed network and sixteen antenna elements. The antenna is processed by multi-layer PCB process.

[0037] Figure 1-2 It is a schematic diagram of a SICL transmission line. The SICL transmission line constitutes a SICL broadband feeder network. The SICL transmission line includes a metal floor 3 on the upper and lower surfaces, an intermediate d...

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Abstract

The invention discloses a broadband end-fire antenna array for a millimeter wave communication system. A power division network is designed by using a substrate-integrated coaxial line (SICL), an electromagnetic dipole antenna with a broadband working range is selected as a radiating element, and a broadband and high-gain antenna array is achieved by adopting a planar L-shaped probe excitation antenna. The broadband power division network employing the SICL disclosed by the invention has a wider working bandwidth in a millimeter wave band in comparison with the power division network employinga substrate-integrated waveguide transmission structure design, and has lower losses in the millimeter wave band in comparison with the power division network employing a microstrip line and a coplanar waveguide transmission structure design. The end-fire antenna array disclosed by the invention has the advantages of wide impedance bandwidth and radiation pattern bandwidth.

Description

technical field [0001] The invention utilizes the Substrate Integrated Coaxial Line (SICL) transmission structure to design a broadband power division network, and uses a planar L-shaped probe to excite an electromagnetic dipole antenna, thereby inventing a broadband terminal for millimeter wave communication. A radio antenna array belongs to the technical field of antennas. Background technique [0002] Antennas are an important part of wireless mobile communication systems and radar systems. The rapid development of wireless communication and radar creates an urgent need for antennas with small size, low cost, high gain and easy integration. Due to the demand of broadband systems, broadband millimeter-wave antennas have been extensively studied in recent years. Compared with front-fire antennas, end-fire antennas are easier to integrate with radio frequency circuits and design multi-beam and high-gain antenna arrays because their radiation direction is parallel to the fe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q21/00H01Q23/00H01Q1/50
CPCH01Q1/50H01Q21/0006H01Q23/00
Inventor 王海明尹杰茜无奇余晨洪伟
Owner SOUTHEAST UNIV