Compact Orthogonal Multiple-Beam Antenna With Shared Aperture

In this letter, a planar array antenna with multiple-beams in orthogonal planes is proposed and investigated. A shared aperture is deployed for achieving a compact size, which is based on a cross transmitting network consisting of the substrate integrated waveguide (SIW) and the stripline. Two 1-D p...

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Bibliographic Details
Published in:IEEE antennas and wireless propagation letters 2021-06, Vol.20 (6), p.873-877
Main Authors: Tao, Ming-Cui, Wu, Yi-Wen, Hao, Zhang-Cheng
Format: Article
Language:English
Subjects:
Antenna arrays
Antenna radiation patterns
Antennas
Apertures
Beamforming
Beamforming network (BFN)
fifth-generation (5G) system
Millimeter waves
multibeam antenna
Orthogonality
Prototypes
Reflector antennas
Reflectors
shared aperture
Slot antennas
slot array
substrate integrated waveguide (SIW) reflector
Substrate integrated waveguides
Substrates
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Description
Summary:In this letter, a planar array antenna with multiple-beams in orthogonal planes is proposed and investigated. A shared aperture is deployed for achieving a compact size, which is based on a cross transmitting network consisting of the substrate integrated waveguide (SIW) and the stripline. Two 1-D passive beamforming networks (BFNs) consisting of folded SIW Cassegrain reflectors are designed and integrated independently with the shared aperture. For demonstration, an 8 × 8 slot array at 26.0 GHz is designed and measured. In orthogonal planes, i.e., the xz plane and yz plane, six radiation beams have been achieved within ±40°, respectively. The proposed antenna is a good candidate for the millimeter-wave fifth-generation (5G) wireless applications.
ISSN:1536-1225
1548-5757
DOI:10.1109/LAWP.2021.3060771