volume | PIER Journals

Abstract

This letter presents a high gain slot antenna for K-band non-contact measurement systems. The proposed antenna consists of a slot antenna on a grooved metal structure with a single frequency selective surface. In addition to a high-gain characteristic, a reduced size is strongly required for easy embedding. These features are the main objectives of this antenna design. To achieve these two objectives, an optimization procedure, based on a global algorithm, is used. Both simulation and optimization are carried out by means a full-wave electromagnetic simulation tool. Eventually, to validate the proposed design, a prototype of the antenna has been manufactured and tested. More than 15 dB of gain is measured over the operating frequency range, while optimal gain can reach 17 dB at frequency 25.5 GHz. These characteristics make this antenna very suitable for non-contact measurement i.e. radar systems.

1. Skolnik, M., "Role of radar in microwaves," IEEE Transactions on Microwave Theory and Techniques, Vol. 50, No. 3, 625-632, Mar. 2002.
doi:10.1109/22.989947 Google Scholar

2. Nanzer, J., Microwave and Millimeter-wave Remote Sensing for Security Applications, House Remote Sensing Library, Artech House, 2012.

3. El Jaafari, B. and J.-M. Floch, "Low-profile wideband monopole antenna for mobile and wireless monitoring applications," Microwave and Optical Technology Letters, Vol. 58, No. 8, 1813-1817, 2016.
doi:10.1002/mop.29916 Google Scholar

4. Du Preez, J. and S. Sinha, Millimeter-Wave Antennas: Configurations and Applications, Springer, 2016.
doi:10.1007/978-3-319-35068-4

5. Alsath, M. G. N., L. Lawrance, and M. Kanagasabai, "Bandwidth-enhanced grid array antenna for UWB automotive radar sensors," IEEE Transactions on Antennas and Propagation, Vol. 63, No. 11, 5215-5219, Nov. 2015.
doi:10.1109/TAP.2015.2478143 Google Scholar

6. Wirth, W. D., "Radar techniques using array antennas," Electromagnetics and Radar Series, Institution of Engineering and Technology, 2013. Google Scholar

7. Rabinovich, V. and N. Alexandrov, Antenna Arrays and Automotive Applications, SpringerLink, 2012.

8. Foroozesh, A. and L. Shafai, "Investigation into the effects of the patch-type FSS superstrate on the high-gain cavity resonance antenna design," IEEE Transactions on Antennas and Propagation, Vol. 58, No. 2, 258-270, Feb. 2010.
doi:10.1109/TAP.2009.2037702 Google Scholar

9. Edalati, A. and T. A. Denidni, "High-gain reconfigurable sectoral antenna using an active cylindrical FSS structure," IEEE Transactions on Antennas and Propagation, Vol. 59, No. 7, 2464-2472, Jul. 2011.
doi:10.1109/TAP.2011.2152327 Google Scholar

10. Feresidis, P. and J. C. Vardaxoglou, "High gain planar antenna using optimised partially reflective surfaces," IEE Proceedings --- Microwaves, Antennas and Propagation, Vol. 148, No. 6, 345-350, Dec. 2001.
doi:10.1049/ip-map:20010828 Google Scholar

11. Konstantinidis, K., A. P. Feresidis, and P. S. Hall, "Broadband sub-wavelength profile high-gain antennas based on multi-layer metasurfaces," IEEE Transactions on Antennas and Propagation, Vol. 63, No. 1, 423-427, Jan. 2015.
doi:10.1109/TAP.2014.2365825 Google Scholar

12. Sutinjo, A. and M. Okoniewski, "A simple leaky-wave analysis of 1-d grooved metal structure for enhanced microwave radiation," IEEE Transactions on Antennas and Propagation, Vol. 60, No. 6, 2719-2726, Jun. 2012.
doi:10.1109/TAP.2012.2194655 Google Scholar

13. Huang, C., Z. Zhao, Q. Feng, and X. Luo, "A high-gain antenna consisting of two slot elements with a space larger than a wavelength," IEEE Antennas and Wireless Propagation Letters, Vol. 9, 159-162, 2010.
doi:10.1109/LAWP.2010.2044863 Google Scholar

14. Huang, C., Z. Zhao, Q. Feng, C. Wang, and X. Luo, "Grooves-assisted surface wave modulation in two-slot array for mutual coupling reduction and gain enhancement," IEEE Antennas and Wireless Propagation Letters, Vol. 8, 912-915, 2009.
doi:10.1109/LAWP.2009.2028587 Google Scholar

15. Diaz, M. B., et al. "Dual-band low-profile corrugated feeder antenna," IEEE Transactions on Antennas and Propagation, Vol. 54, No. 2, 340-350, Feb. 2006.
doi:10.1109/TAP.2005.863380 Google Scholar

16. Bird, T. S., Fundamentals of Aperture Antennas and Arrays, John Wiley & Sons, Ltd., 2016.

17. Alsath, M. G. N., L. Lawrance, and M. Kanagasabai, "Bandwidth-enhanced grid array antenna for UWB automotive radar sensors," IEEE Transactions on Antennas and Propagation, Vol. 63, No. 11, 5215-5219, Nov. 2015.
doi:10.1109/TAP.2015.2478143 Google Scholar

18. Yang, W., K. Ma, K. S. Yeo, and W. M. Lim, "A compact high-performance patch antenna array for 60-GHz applications," IEEE Antennas and Wireless Propagation Letters, Vol. 15, 313-316, 2016.
doi:10.1109/LAWP.2015.2443054 Google Scholar

Dr. Bilal El Jaafari

Dr. Jean-Marie Floc'h