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Antenna for Ultra-Wideband Applications with Non-Uniform Defected Ground Plane and Offset Aperture-Coupled Cylindrical Dielectric Resonators

Zebiri, C.; Sayad, D.; Elfergani, I.T.E.; Kosha, J.; Mshwat, W.F.A.; See, Chan Hwang; Lashab, M.; Rodriguez, J.; Sayidmarie, K. H.; Obeidat, H.A.; Abd-Alhameed, R.A.

Authors

C. Zebiri

D. Sayad

I.T.E. Elfergani

J. Kosha

W.F.A. Mshwat

M. Lashab

J. Rodriguez

K. H. Sayidmarie

H.A. Obeidat

R.A. Abd-Alhameed



Abstract

A new compact Cylindrical Dielectric Resonator Antenna (CDRA) with a defected ground for ultra-wideband applications is presented. The structure is based on two cylindrical dielectric resonators asymmetrically located with respect to the center of an offset rectangular coupling aperture, with consideration of three and four Dielectric Resonators (DR). The resonant modes generated by the defected ground are studied and investigated. A parametric optimization study of the antenna design has been carried out to determine the optimal dimensions of the defected ground plane, resulting in an impedance bandwidth of over 133% that covers the frequency band from 3.6 GHz to 18.0 GHz. A power gain of about 7.9 dBi has been achieved. Design details and measured and simulated results are presented and discussed.

Citation

Zebiri, C., Sayad, D., Elfergani, I., Kosha, J., Mshwat, W., See, C. H., Lashab, M., Rodriguez, J., Sayidmarie, K. H., Obeidat, H., & Abd-Alhameed, R. (2019). Antenna for Ultra-Wideband Applications with Non-Uniform Defected Ground Plane and Offset Aperture-Coupled Cylindrical Dielectric Resonators. IEEE Access, 7, 166776-166787. https://doi.org/10.1109/ACCESS.2019.2949527

Journal Article Type Article
Acceptance Date Oct 6, 2019
Online Publication Date Oct 28, 2019
Publication Date Oct 28, 2019
Deposit Date Oct 14, 2019
Publicly Available Date Oct 14, 2019
Electronic ISSN 2169-3536
Publisher Institute of Electrical and Electronics Engineers
Peer Reviewed Peer Reviewed
Volume 7
Pages 166776-166787
DOI https://doi.org/10.1109/ACCESS.2019.2949527
Keywords Cylindrical Dielectric Resonators Antenna, Ultra-Wideband, Defected Ground Structure
Public URL http://researchrepository.napier.ac.uk/Output/2225562

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