Dual-slot feeding technique for broadband Fabry-Perot cavity antennas

Konstantinos Konstantinidis; Alexandros P. Feresidis; Peter S. Hall

doi:10.1049/iet-map.2014.0530

Dual-slot feeding technique for broadband Fabry-Perot cavity antennas

Konstantinos Konstantinidis^*, Alexandros P. Feresidis, Peter S. Hall

^*Corresponding author for this work

Electronic, Electrical and Systems Engineering

Research output: Contribution to journal › Article › peer-review

16 Citations (Scopus)

266 Downloads (Pure)

Abstract

A dual-slot feeding technique is proposed for broadband multi-layer periodic Fabry-Perot cavity (FPC) antennas achieving enhanced directivity as well as broadband radiation and matching performance. To demonstrate the feeding technique, two FPC antennas are presented formed by two- and three-layer periodic partially reflective surfaces (PRSs) placed in front of a ground plane. Two optimised microstrip-fed rectangular slots of different lengths etched on the ground plane are used to feed the multi-layer cavity antennas and significantly enhance the antenna bandwidth as well as the directivity performance. Measurements of a fabricated three-layer PRS antenna prototype are presented exhibiting 19 dBi gain with 16% fractional bandwidth and validating the simulation results.

Original language	English
Pages (from-to)	861-866
Number of pages	6
Journal	Microwaves, Antennas & Propagation
Volume	9
Issue number	9
DOIs	https://doi.org/10.1049/iet-map.2014.0530
Publication status	Published - 18 Jun 2015

ASJC Scopus subject areas

Electrical and Electronic Engineering

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title = "Dual-slot feeding technique for broadband Fabry-Perot cavity antennas",

abstract = "A dual-slot feeding technique is proposed for broadband multi-layer periodic Fabry-Perot cavity (FPC) antennas achieving enhanced directivity as well as broadband radiation and matching performance. To demonstrate the feeding technique, two FPC antennas are presented formed by two- and three-layer periodic partially reflective surfaces (PRSs) placed in front of a ground plane. Two optimised microstrip-fed rectangular slots of different lengths etched on the ground plane are used to feed the multi-layer cavity antennas and significantly enhance the antenna bandwidth as well as the directivity performance. Measurements of a fabricated three-layer PRS antenna prototype are presented exhibiting 19 dBi gain with 16% fractional bandwidth and validating the simulation results.",

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Y1 - 2015/6/18

N2 - A dual-slot feeding technique is proposed for broadband multi-layer periodic Fabry-Perot cavity (FPC) antennas achieving enhanced directivity as well as broadband radiation and matching performance. To demonstrate the feeding technique, two FPC antennas are presented formed by two- and three-layer periodic partially reflective surfaces (PRSs) placed in front of a ground plane. Two optimised microstrip-fed rectangular slots of different lengths etched on the ground plane are used to feed the multi-layer cavity antennas and significantly enhance the antenna bandwidth as well as the directivity performance. Measurements of a fabricated three-layer PRS antenna prototype are presented exhibiting 19 dBi gain with 16% fractional bandwidth and validating the simulation results.

AB - A dual-slot feeding technique is proposed for broadband multi-layer periodic Fabry-Perot cavity (FPC) antennas achieving enhanced directivity as well as broadband radiation and matching performance. To demonstrate the feeding technique, two FPC antennas are presented formed by two- and three-layer periodic partially reflective surfaces (PRSs) placed in front of a ground plane. Two optimised microstrip-fed rectangular slots of different lengths etched on the ground plane are used to feed the multi-layer cavity antennas and significantly enhance the antenna bandwidth as well as the directivity performance. Measurements of a fabricated three-layer PRS antenna prototype are presented exhibiting 19 dBi gain with 16% fractional bandwidth and validating the simulation results.

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Dual-slot feeding technique for broadband Fabry-Perot cavity antennas

Abstract

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