TY  - JOUR
T1  - Broadband CPW-Fed U-Shaped Dielectric Resonator Antenna for Wireless and WiMAX/WLAN Applications
AU  - Ahmed, Emad
PY  - 2019
DA  - July
JF  - The Eurasia Proceedings of Science Technology Engineering and Mathematics
JO  - EPSTEM
PB  - ISRES Publishing
WT  - DergiPark
SN  - 2602-3199
SP  - 18
EP  - 24
VL  - 6
LA  - en
AB  - In this article, a new U‐shaped dielectric resonator antenna (DRA) forbroadband applications is proposed. The antenna consists of a modified steppedCPW trimmed to excite the U-shaped dielectric resonator with a relativedielectric constant of 10.2. A parasitic strip along the other side of the DRAis joined to the coplanar waveguide structure acts as tuning element for theantenna frequency band.  The proposedantenna is designed using the FR4 substrate of 4.6 relative dielectric constantand 1.6 mm thickness. The antenna is designed, analyzed, and optimized using afull-wave electromagnetic simulator. The results reveal that the proposed DRAhas an impedance bandwidth for VSWR<2 from (3.22‐5.92) GHz with 59 % bandwidth efficiency. Theantenna operating band covers the IEEE 802.11 and many bands of wirelesssystems like C-band, 5.2, 5.5 & 5.8 GHz-WLAN and WiMAX. The antennaprovides a stable quasi-omnidirectional radiation pattern in the H plane and bidirectionalradiation pattern in the E plane with a gain ranging from (2.5- 4.6) dB acrossthe operating bandwidth. The proposed antenna could be also used for lowerEuropean UWB frequency band (3.4‐5.0) GHz applications and for medical microwaveimaging purposes. The overall dimension of the antenna is 26mm×32mm×1.6mm andthe thickness of the dielectric resonator is only 8.12 mm; so, the antenna canbe categorized as a compact size and low profile antenna. 
KW  - Broadband applications
KW  - Dielectric resonator antenna
KW  - CPW feed
CR  - Aftab A. K., Rizwan K., Sajid A., Jamal N., Owais (2016). Dual-Port MIMO DRA with High Isolation for WiMAX Application, Proceedings of the 3rd International Conference on Engineering & Emerging Technologies (ICEET), Superior University, 7-8 April, Lahore, Pakistan.
Aldo P., Apisak I. (2010). Dielectric Resonator Antennas: A Historical Review and the Current State of the Art, IEEE Antennas and Propagation Magazine, Vol. 52, No. 5, pp. 91-116.
Bhayana E., Agarwal A. (2017). A Review on Dielectric Resonator Antenna & Its Industrial Applications, International Journal of Scientific & Engineering Research, vol. 8, no. 4, pp. 107-110.
Joshua M. P., Satish K. S. (2012). Single Feed Aperture-Coupled Wideband Dielectric Resonator Antenna with Circular Polarization for Ku-Band Applications, International Journal of Antennas and Propagation, Hindawi Publishing Corporation, vol. 2012, Article ID 378798. Doi:10.1155/2012/378798.
Jungsuek O., Taejong B., Donghoon S., Jinkoo R., Sangwook N. (2007).  60-Ghz Cpw-Fed Dielectricresonator-Above-Patch (Drap) Antenna for Broadband WLAN Applications Using Micromachining Technology,  Microwave and Optical Technology Letters, vol. 49, no. 8, pp. 1859-1861.
Massinissa B., Salih A., Idris M., Boualem H., Farouk C., Youcef B. C.  (2016). A Reconfigurable Cylindrical Dielectric Resonator Antenna for WiMAX/WLAN Applications, The 12th International Conference on Innovations in Information Technology (IIT), College of Information Technology, 28-30 Nov. , United Arab Emirates.
Messaoudene I, Denidni T. A., Benghalia A. (2016). Low-Profile U-Shaped DRA for Ultra-Wideband Applications, International Journal of Microwave and Wireless Technologies, Cambridge University Press, pp. 1-7. Doi: 10.1017/S1759078716000155.
Mohsen K., Mohamad K. A., Ahmed A. K, Shadi D. (2013). Wideband P-Shaped Dielectric Resonator Antenna, Radioengineering, vol. 22, no. 1, pp. 281-285.
Rao Q., Denidni T. A. (2005). On Improving Impedance Matching Of A CPW Fed Low Permittivity Dielectric Resonator Antenna, Progress In Electromagnetics Research, PIER, vol. 53, pp. 21–29.
Rezaei P., Hakkak M., Forooraghi K. (2006). Design of Wide-Band Dielectric Resonator Antenna with a Two-Segment Structure, Progress In Electromagnetics Research, PIER, vol. 66, pp. 111–124.
Roslan S. F., Kamarudin M. R., Khalily M., Jamaluddin M. H. (2015). A Coplanar Waveguide Rectangular Dielectric Resonator Antenna (RDRA) for 4G Applications, Jurnal Teknologi (Sciences & Engineering), vol. 73, no. 1, pp. 97–100.
Sheng-M. D., Tsung-W. C., Hsiao-H. K. (2001). A CPW-Fed Rectangular Dielectric Resonator Antenna. Proceedings of Asia-Pasific Microwave Conference (APMC), Dec. 3-6, Taipei, Taiwan, R.O.C. 
Tze-H. C., Jean-F. K. (2007). Broadband Dielectric Resonator Antenna With Metal Coating, IEEE Transactions on Antennas and Propagation, vol. 55, no. 5.
UR  - https://dergipark.org.tr/en/pub/epstem/issue//602910
L1  - https://dergipark.org.tr/en/download/article-file/780904
ER  -