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Substrate integrated waveguide antenna

Through the design of substrate integrated waveguide SIW antenna and parallel plate resonator, a compact dual-polarized antenna in the millimeter wave band is realized, which solves the problem of existing array antennas occupying a large coverage area and provides low cross-polarization level and pure Polarization characteristics, suitable for 5G wireless communication systems.

Active Publication Date: 2020-12-11
SONY GROUP CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This prior art array antenna allows both antenna diversity and multiplexing

Method used

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Embodiment Construction

[0045] The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which presently preferred embodiments of the invention are shown. However, this invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided for thoroughness and completeness, and will fully convey the scope of the invention to those skilled in the art. .

[0046] figure 2 A substrate integrated waveguide SIW antenna 10 according to the present invention is illustrated. In the literature, SIW antennas may also be referred to as backwall waveguides or stacked waveguides. The SIW antenna 10 according to the present invention includes a SIW structure 20 and a parallel plate resonator 30 .

[0047] The SIW structure 20 is a rectangular guide 21 for electromagnetic waves. The guide 21 is formed in the substrate 22 . Substrate 22 is made of a dielectric m...

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Abstract

A SIW-antenna(10) is disclosed. The SIW-antenna comprises a SIW structure(20) extending along a horizontal plane for guiding electromagnetic waves along a longitudinal direction from a first feed(26)to a radiation aperture(27), and a parallel plate resonator(30) arranged at the radiation aperture(27), the parallel plate resonator(30) comprising a first flat portion(31) extending in a first planeparallel with the horizontal plane and a second flat portion(32) extending in a second plane parallel with the horizontal plane, wherein the first and second planes are separate from each other. The first flat portion(31) comprises an additional antenna structure(33) being connected to a second feed(36). The second flat portion(32) comprises a plurality of flat tabs(34) extending in the longitudinal direction. The SIW structure(20) is configured to radiate electromagnetic waves polarized in a first direction. The additional antenna structure(33) is configured to radiate electromagnetic waves polarized in a second direction. The second direction is orthogonal to the first direction.Also an antenna array(200) comprising a plurality of SIW antennas(10) as well as an electronic device comprising such an antenna array are disclosed.

Description

technical field [0001] The invention relates to a substrate integrated waveguide antenna. The invention also relates to an array antenna comprising a plurality of substrate integrated waveguide antennas. Background technique [0002] In today's mobile industry, higher frequency bands such as the millimeter wave band (10 GHz to about 100 GHz) are intensively studied due to the potentially available bandwidth. In order to obtain good performance in the millimeter wave band, an array antenna including a plurality of antennas arranged in an array antenna is most likely required. This is both to achieve antenna diversity and to obtain an antenna that can emit electromagnetic waves with dual polarization. Antenna diversity can be achieved because multiple antennas provide the receiver with several observations of the same signal. In addition, dual-polarized antennas can be used for multiplexing, where two channels of information can be transmitted on the same carrier frequency ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q9/06H01Q9/40H01Q13/06H01Q21/08H01Q25/00
CPCH01Q9/065H01Q9/40H01Q13/06H01Q21/08H01Q25/001H01Q1/2283H01Q9/0407H01Q21/24
Owner SONY GROUP CORP
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