In this paper, a numerical study of a new ultra wideband (UWB) dielectric resonator antenna (DRA) is presented. The proposed structure consists of two stacked dielectric resonators excited by rectangular patch and operated from 3 GHz to 11 GHz (an impedance bandwidth of 115%), covering the full UWB spectrum. The analysis is carried out using the Finite Difference Time Domain (FDTD) method and two commercial electromagnetic simulators. The numerical results are given and compared in terms of reflection coefficients, radiation pattern and gain. The computed FDTD results are in good agreement with those of simulations.
2. Walsh, A. G., S. D. Young, and S. A. Long, "An investigation of stacked and embedded cylindrical dielectric resonator antennas ," IEEE Antennas Wireless Propag. Lett., Vol. 5, 130-133, 2006.
doi:10.1109/LAWP.2006.873935
3. Denidni, T. A. and Q. Rao, "Hybrid dielectric resonator antennas with radiating slot for dual-frequency operation," IEEE Antennas Wireless Propag. Lett., Vol. 3, 320-323, 2004.
4. Kishk, A. A., Y. Yin, and A. W. Glisson, "Conical dielectric resonator antennas for wideband applications," IEEE Trans. Antennas Propagat., Vol. 50, 469-474, 2002.
doi:10.1109/TAP.2002.1003382
5. Kishk, A. A., "Wideband dielectric resonator antenna in a truncated tetrahedron form excited by a coaxial probe," IEEE Trans. Antennas Propagat., Vol. 51, 2907-2912, 2003.
doi:10.1109/TAP.2003.816329
6. Vijumon, P. V., S. K. Menon, M. N. Suma, B. Lehakumari, M. T. Sebastian, and P. Mohanan, "Broadband elliptical dielectric resonator antenna," Microw. Opt. Technol. Lett., Vol. 48, 65-67, 2006.
doi:10.1002/mop.21262
7. Chair, R., A. A. Kishk, and K. F. Lee, "Wideband stair-shaped dielectric resonator antennas," IET Microw. Antennas Propag., Vol. 1, 299-305, 2007.
doi:10.1049/iet-map:20060029
8. Liang, X. L. and T. A. Denidni, "H-shaped dielectric resonator antenna for wideband applications," IEEE Antennas Wireless Propag. Lett., Vol. 7, 163-166, 2008.
doi:10.1109/LAWP.2008.922051
9. Khalily, M., M. K. A. Rahim, A. A. Kishk, and S. Danesh, "Wide-band, P-shaped dielectric resonator antenna," Radioengineering , Vol. 22, 146-150, 2013.
10. Ammann, M. J. and Z. N. Chen, "Wideband monopole antennas for multiband wireless systems," EEE Antennas Propag. Mag., Vol. 45, 146-150, 2003.
doi:10.1109/MAP.2003.1203133
11. Liang, J., C. C. Chiau, X. Chen, and C. G. Parini, "Study of a printed circular disc monopole antenna for uwb systems," IEEE Trans. Antennas Propagat., Vol. 53, 3500-3504, 2005.
doi:10.1109/TAP.2005.858598
12. Messaoudene, I., T. A. Denidni, and A. Benghalia, "Experimental investigations of ultra-wideband antenna integrated with dielectric resonator antenna for cognitive radio applications ," Progress In Electromagnetics Research C, Vol. 45, 33-42, 2013.
13. Augustin, G. and T. A. Denidni, "Coplanar waveguide-fed uniplanar trapezoidal antenna with linear and circular polarization," IEEE Trans. Antennas Propagat., Vol. 60, 2522-2526, 2012.
doi:10.1109/TAP.2012.2189724
14. Chair, R., A. Kishk, and K. F. Lee, "Ultrawide-band coplanar waveguide fed rectangular slot antenna," IEEE Antennas Wireless. Propag. Lett., Vol. 3, 227-229, 2004.
doi:10.1109/LAWP.2004.836580
15. Liu, Y., K. L. Lau, and C. H. A. Chan, "Circular microstrip-fed single-layer single-slot antenna for multi-band mobile communications ," Micro. Opt. Technol. Lett., Vol. 37, 59-62, 2003.
doi:10.1002/mop.10824
16. Chen, H. D., "Broadband CPW-fed square slot antenna with a widened tuning stub," IEEE Trans. Antennas Propagat., Vol. 51, 1982-1986, 2003.
doi:10.1109/TAP.2003.814747
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