Filtering slot antenna using coupled line resonator

This paper presents the design of a novel slot filtering antenna suitable for modern electronic devices integrating various wireless systems that have to coexist. The approach consists in feeding the slot antenna through a filtering microstrip-to-slot-line transition. This transition comprises a cou...

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Bibliographic Details
Published in2014 9th European Microwave Integrated Circuit Conference pp. 556 - 559
Main Authors Nadaud, Kevin, Tong, Dominique Lo Hine, Fourn, Erwan
Format Conference Proceeding
LanguageEnglish
Published European Microwave Association - EUMA 01.10.2014
Subjects
Antenna measurements
coupled lines
Filtering
filtering antenna
Gain
Microstrip antennas
Resonant frequency
Slot antenna
Slot antennas
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Summary:This paper presents the design of a novel slot filtering antenna suitable for modern electronic devices integrating various wireless systems that have to coexist. The approach consists in feeding the slot antenna through a filtering microstrip-to-slot-line transition. This transition comprises a coupled line resonator which enables to create two out-of-band transmission zeros and by this way to increase drastically the frequency selectivity of the transition. As proof-of-concept, a slot filtering antenna has been designed for WLAN applications operating in the 2.4GHz band, by using the HFSS TM simulation tool. A prototype has been also fabricated, using a low-cost FR4 substrate, where 2 antennas are printed on a board in order to accommodate the requirements of a 2×2 MIMO system.
DOI:10.1109/EuMIC.2014.6997917