Mutual coupling reduction in multilayer patch antennas via meander line parasites

A method to reduce the mutual coupling in wide-band multilayer patch array operating in C band is presented. The proposed device use conveniently sized meander line parasites printed on the same substrate of the upper patch. Measurements on a $2 \times 2$2×2 prototype shows a measured bandwidth of a...

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Bibliographic Details
Published in:Electronics letters 2018-07, Vol.54 (15), p.922-924
Main Authors: Maddio, S, Pelosi, G, Righini, M, Selleri, S, Vecchi, I
Format: Article
Language:English
Subjects:
antenna radiation patterns
Antennas and propagation
broadband antennas
C band
frequency 5.1 GHz
meander line parasites
microstrip antenna arrays
patch mutual coupling reduction
upper patch
whole WLAN frequency range
wideband multilayer patch antenna array
wireless LAN
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Summary:A method to reduce the mutual coupling in wide-band multilayer patch array operating in C band is presented. The proposed device use conveniently sized meander line parasites printed on the same substrate of the upper patch. Measurements on a $2 \times 2$2×2 prototype shows a measured bandwidth of about 19.6% centred at 5.1 GHz, therefore adequate to cover the whole WLAN frequency range. The meander lines allow to reduce the patch mutual coupling by about 2.4 dB.
ISSN:0013-5194
1350-911X
1350-911X
DOI:10.1049/el.2018.1332