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Planar Dual-polarized Millimeter-wave Shared-aperture Array Antenna with High Band Isolation

Cao, Yuyan LU ; Guo, Zijun and Hao, Zhangcheng (2022) In Frontiers of Information Technology & Electronic Engineering 23(10). p.1568-1578
Abstract
A planar millimeter-wave shared-aperture array antenna is proposed and designed in this paper. By composing the substrate integrated waveguide (SIW) and the stripline, the K-band antenna is embedded inside the Ka-band antenna to achieve a smaller size and a low profile by sharing an aperture. The Ka-band antenna radiates through the parallel slot pairs on the surface of the SIW cavities with horizontal polar‐ ization, while the K-band antenna radiates through the butterfly-shaped slots with vertical polarization, which are also designed on the surface. Then the two array antennas can radiate by sharing a common ap‐ erture with high isolation. To verify this idea, a proto‐ type of an 8×8 shared-aperture array antenna has been designed with... (More)
A planar millimeter-wave shared-aperture array antenna is proposed and designed in this paper. By composing the substrate integrated waveguide (SIW) and the stripline, the K-band antenna is embedded inside the Ka-band antenna to achieve a smaller size and a low profile by sharing an aperture. The Ka-band antenna radiates through the parallel slot pairs on the surface of the SIW cavities with horizontal polar‐ ization, while the K-band antenna radiates through the butterfly-shaped slots with vertical polarization, which are also designed on the surface. Then the two array antennas can radiate by sharing a common ap‐ erture with high isolation. To verify this idea, a proto‐ type of an 8×8 shared-aperture array antenna has been designed with center frequencies of 19 and 30 GHz and fabricated using multilayer printed circuit board (PCB) technology. The measurement results show that the −10 dB impedance bandwidths in the K- and Ka-bands are 7.73% and >20%, and the corresponding isolations are higher than 60 and 44 dB, respectively.The proposed shared-aperture antenna has a small footprint, a low profile, and high isolation, and is a promising candidate to design compact millimeterwave wireless systems. (Less)
Please use this url to cite or link to this publication:
author
; and
publishing date
type
Contribution to journal
publication status
published
subject
in
Frontiers of Information Technology & Electronic Engineering
volume
23
issue
10
pages
11 pages
publisher
Zhejiang University
external identifiers
  • scopus:85140298833
ISSN
2095-9184
DOI
10.1631/FITEE.2200122
language
English
LU publication?
no
id
f507d34c-9a67-475b-9647-613d95bb3e17
date added to LUP
2023-06-18 22:33:02
date last changed
2025-04-04 13:58:38
@article{f507d34c-9a67-475b-9647-613d95bb3e17,
  abstract     = {{A planar millimeter-wave shared-aperture array antenna is proposed and designed in this paper. By composing the substrate integrated waveguide (SIW) and the stripline, the K-band antenna is embedded inside the Ka-band antenna to achieve a smaller size and a low profile by sharing an aperture. The Ka-band antenna radiates through the parallel slot pairs on the surface of the SIW cavities with horizontal polar‐ ization, while the K-band antenna radiates through the butterfly-shaped slots with vertical polarization, which are also designed on the surface. Then the two array antennas can radiate by sharing a common ap‐ erture with high isolation. To verify this idea, a proto‐ type of an 8×8 shared-aperture array antenna has been designed with center frequencies of 19 and 30 GHz and fabricated using multilayer printed circuit board (PCB) technology. The measurement results show that the −10 dB impedance bandwidths in the K- and Ka-bands are 7.73% and >20%, and the corresponding isolations are higher than 60 and 44 dB, respectively.The proposed shared-aperture antenna has a small footprint, a low profile, and high isolation, and is a promising candidate to design compact millimeterwave wireless systems.}},
  author       = {{Cao, Yuyan and Guo, Zijun and Hao, Zhangcheng}},
  issn         = {{2095-9184}},
  language     = {{eng}},
  month        = {{10}},
  number       = {{10}},
  pages        = {{1568--1578}},
  publisher    = {{Zhejiang University}},
  series       = {{Frontiers of Information Technology & Electronic Engineering}},
  title        = {{Planar Dual-polarized Millimeter-wave Shared-aperture Array Antenna with High Band Isolation}},
  url          = {{http://dx.doi.org/10.1631/FITEE.2200122}},
  doi          = {{10.1631/FITEE.2200122}},
  volume       = {{23}},
  year         = {{2022}},
}