Bandwidth enhancement of dielectric resonator reflectarray antenna

Ahmadi, Farzaneh, Forooraghi, Keyvan, Atlasbaf, Zahra and Virdee, Bal Singh (2014) Bandwidth enhancement of dielectric resonator reflectarray antenna. Electromagnetics, 34 (7). pp. 513-521. ISSN 0272-6343

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Abstract / Description

Aperture-coupled dielectric resonator antenna is proposed using a novel reflectarray antenna unit cell structure. It is shown that a bowtie-shaped slot can enhance the bandwidth performance of a reflectarray antenna. The unit cell's reflection phase response was verfified experimentally using the waveguide simulator method. An array comprising of 256 elements was simulated using the finite integration technique based on the proposed unit cell. The array exhibits a 3-dB gain bandwidth of 28% and radiation efficiency of 43.8%. These results were validated using the transmission-line method.

Item Type:	Article
Uncontrolled Keywords:	dielectric resonator antenna, reflectarray antenna, bowtie-shaped slot
Subjects:	600 Technology > 620 Engineering & allied operations
Department:	School of Computing and Digital Media
Depositing User:	Bal Virdee
Date Deposited:	22 Oct 2015 16:32
Last Modified:	21 Apr 2020 11:02
URI:	https://repository.londonmet.ac.uk/id/eprint/800

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