High gain Vivaldi antenna from 26 up to 40 GHz for 5G applications

We propose a directive broadband and high gain Vivaldi antenna in the Ka‐band (26–40 GHz) for 5G applications. To increase the gain of this antenna, we use a substrate lens and the quasi‐substrate integrated waveguide structure with the aim of reducing reflected waves and emphasizing the traveling w...

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Bibliographic Details
Published in:Microwave and optical technology letters 2022-07, Vol.64 (7), p.1267-1271
Main Authors: Dam, Thi‐Hong‐Le, Houzet, Gregory, Lacrevaz, Thierry, Vuong, Tan‐Phu
Format: Article
Language:English
Subjects:
Ka‐band
substrate integrated waveguide (SIW)
substrate lens
Vivaldi antenna
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Summary:We propose a directive broadband and high gain Vivaldi antenna in the Ka‐band (26–40 GHz) for 5G applications. To increase the gain of this antenna, we use a substrate lens and the quasi‐substrate integrated waveguide structure with the aim of reducing reflected waves and emphasizing the traveling waves. With this method, the gain is increased by 4.5 dBi in average and 7.5 dBi in the peak. The antenna has a good impedance matching in the whole band.
ISSN:0895-2477
1098-2760
DOI:10.1002/mop.33271