volume | PIER Journals

Abstract

A novel multi-band cylindrical dielectric resonator antenna (CDRA) using microwave laminates with permittivity variation in azimuth direction fed by coaxial probe is proposed in this paper. The proposed structures are constructed using different materials having different permittivities in azimuth direction in cylindrical dielectric resonator (DR). In order to determine the performance of various design parameters on resonance frequency and bandwidth, parametric studies have been performed. The operating band can be scaled up or down by adjusting the design parameters. Dualband and triple-band CDRAs have been fabricated using commercially available microwave laminates to validate the simulation results. For each case, the input reflection coefficient, radiation pattern and antenna gain are simulated and measured. Good agreement between simulated and measured results has been observed. The proposed antennas may be suitable for WLAN applications.

1. Luk, K. M. and K. W. Leung, Dielectric Resonator Antennas, Research Studies Press Hertfordshire, U.K., 2003.

2. Petosa, A. and A. Ittipiboon, "Dielectric resonator antennas: A historical review and the current state of the art," IEEE Antennas and Propagation Magazine, Vol. 52, 91-116, 2010.
doi:10.1109/MAP.2010.5687510

3. Gao, Y., Z. Feng, and L. Zhang, "Compact asymmetrical T-shaped dielectric resonator antenna for broadband applications," IEEE Transactions on Antennas and Propagation, Vol. 60, 1611-1615, 2012.
doi:10.1109/TAP.2011.2180335

4. Buerkle, A., K. Sarabandi, and H. Mosallaei, "Compact slot and dielectric resonator antenna with dual-resonance, broadband characteristics," IEEE Transaction on Antennas Propagation, Vol. 53, No. 3, 1020-1027, 2005.
doi:10.1109/TAP.2004.842681

5. Coulibaly, Y., T. A. Denidni, and H. Boutayeb, "Broadband microstrip fed dielectric resonator antenna for X-band applications," IEEE Antennas and Wireless Propagation Letters, Vol. 7, 341-345, 2008.
doi:10.1109/LAWP.2008.921326

6. Denidni, T. A. and Q. Rao, "Hybrid dielectric resonator antennas with radiating slot for dual-frequency operation," IEEE Antennas and Wireless Propagation Letters, Vol. 3, 321-323, 2004.
doi:10.1109/LAWP.2004.839455

7. Kishk, A. A., "Wideband truncated tetrahedron dielectric resonator antenna excited by a coaxial probe," IEEE Transaction on Antennas Propagation, Vol. 51, 2913-2917, 2003.
doi:10.1109/TAP.2003.816300

8. Thamae, L. Z. and Z. Wu, "Broadband bowtie dielectric resonator antenna," IEEE Transaction on Antennas Propagation, Vol. 58, 3707-3710, 2010.
doi:10.1109/TAP.2010.2071332

9. Kishk, A. A., B. Ahn, and D. Kajfez, "Broadband stacked dielectric resonator antennas," Electronics Letters, Vol. 25, 1232-1233, 1989.
doi:10.1049/el:19890826

10. Tam, M. T. K. and R. D. Murch, "Compact circular sector and annular sector dielectric resonator antennas," IEEE Transactions on Antennas and Propagation, Vol. 47, 837-842, 1999.
doi:10.1109/8.774138

11. Kumar, V. P., J. Yohannan, C. K. Anandan, and K. T. Mathew, "Microstripline fed cylindrical dielectric resonator antenna for dual-band operation," Microwave Optical Technology Letters, Vol. 47, 150-153, 2005.
doi:10.1002/mop.21108

12. Gao, Y., B. L. Ooi, and A. P. Popov, "Dual-band hybrid dielectric resonator antenna with CPW-fed slot," Microwave Optical Technology Letters, Vol. 48, 170-172, 2006.
doi:10.1002/mop.21296

13. Chang, T. H. and J. F. Kiang, "Dual-band split dielectric resonator antenna," IEEE Transaction on Antennas Propagation, Vol. 55, 3155-3162, 2007.
doi:10.1109/TAP.2007.908830

14. Bit-Babik, G., C. Di Nallo, and A. Faraone, "Multimode dielectric resonator antenna of very high permittivity," 2004 IEEE Antennas and Propagation Society Int. Symposium, Vol. 2, 1383-1386, June 2004.
doi:10.1109/APS.2004.1330444

15. Kishk, A. A., X. Zhang, A. W. Glisson, and D. Kajfez, "Numerical analysis of stacked dielectric resonator antennas excited by a coaxial probe for wide-band applications," IEEE Transaction on Antennas Propagation, Vol. 51, 1996-2006, 2003.
doi:10.1109/TAP.2003.814735

16. Walsh, A. G., C. S. De Young, and S. A. Long, "An investigation of stacked and embedded cylindrical dielectric resonator antennas," IEEE Antennas and Wireless Propagation Letters, Vol. 5, 130-133, 2006.
doi:10.1109/LAWP.2006.873935

17. Chaudhary, R. K., K. V. Srivastava, and A. Biswas, "Dual-band cylindrical dielectric resonator antenna with varying permittivity in φ-direction," IEEE International Symposium on Antennas and Propagation and USNC-URSI National Radio Science Meeting, 1286-1287, Florida, USA, July 2013.

18. Chaudhary, R. K., K. V. Srivastava, and A. Biswas, "A practical approach: Design of wideband cylindrical dielectric resonator antenna with permittivity variation in axial direction and its fabrication using microwave laminates," Microwave and Optical Technology Letters, Vol. 55, 2282-2288, 2013.
doi:10.1002/mop.27876

19. Chaudhary, R. K., K. V. Srivastava, and A. Biswas, "A concentric three-layer half-split cylindrical dielectric resonator antenna for wideband applications," URSI International Symposium on Electromagnetic Theory (EMTS), 664-667, Hiroshima, Japan, May 2013.

20. Chaudhary, R. K., K. V. Srivastava, and A. Biswas, "A novel triple-band cylindrical dielectric resonator antenna using varying permittivity in φ-direction," IEEE International Symposium on Antennas and Propagation and USNC-URSI National Radio Science Meeting, 1343-1345, Chicago, July 2012.

Prof. Raghvendra Kumar Chaudhary

Professor Kumar Vaibhav Srivastava

Dr. Animesh Biswas