PIER
 
Progress In Electromagnetics Research
ISSN: 1070-4698, E-ISSN: 1559-8985
Home | Search | Notification | Authors | Submission | PIERS Home | EM Academy
Home > Vol. 148 > pp. 63-71

A PRINTED VIVALDI ANTENNA WITH IMPROVED RADIATION PATTERNS BY USING TWO PAIRS OF EYE-SHAPED SLOTS FOR UWB APPLICATIONS

By K. Ma, Z. Zhao, J. Wu, S. M. Ellis, and Z.-P. Nie

Full Article PDF (599 KB)

Abstract:
In this paper, a printed Vivaldi antenna with two pairs of eye-shaped slots is proposed for UWB applications. By using two pairs of eye-shaped slots, the side lobe levels of the radiation pattern are reduced, and the antenna gain is improved at low frequencies. To illustrate the effectiveness of the proposed design, a prototype of the proposed antenna is fabricated and measured. Experimental results show that the proposed antenna presents a measured impedance bandwidth, defined by |S11| < -10 dB, from 3 to 12.8 GHz with a compact size (36 mm×36 mm). Good unidirectional radiation characteristics with a front-to-back ratio better than 10 dB are also achieved. The measured gain is better than 3.7 dBi in the operating frequency band. In addition, the measured group delay of the proposed antenna is around 1.2 ns with a variation less than ± 0.5 ns.

Citation:
K. Ma, Z. Zhao, J. Wu, S. M. Ellis, and Z.-P. Nie, "A Printed Vivaldi Antenna with Improved Radiation Patterns by Using Two Pairs of Eye-Shaped Slots for UWB Applications," Progress In Electromagnetics Research, Vol. 148, 63-71, 2014.
doi:10.2528/PIER14043003
http://www.jpier.org/PIER/pier.php?paper=14043003

References:
1. Song, Y., Y. C. Jiao, T. L. Zhang, G. Zhao, and F. S. Zhang, "Small tapered slot antenna with a band-notched function for wireless applications," Progress In Electromagnetics Research, Vol. 10, 97-105, 2009.
doi:10.2528/PIERL09062003

2. Bai, J., S. Y. Shi, and D. W. Prather, "Modified compact antipodal Vivaldi antenna for 4{50 GHz UWB application," IEEE Trans. Microwave Theory Tech., Vol. 59, No. 4, 1051-1057, 2011.
doi:10.1109/TMTT.2011.2113970

3. Bourqui, J., M. Okoniewski, and E. C. Fear, "Balanced antipodal Vivaldi antenna with dielectric director for near-field microwave imaging," IEEE Trans. Antennas Propagat., Vol. 58, No. 7, 2318-2326, 2010.
doi:10.1109/TAP.2010.2048844

4. Yang, Y., Y. Wang, and A. E. Fathy, "Design of compact Vivaldi antenna arrays for UWB see through wall applications," Progress In Electromagnetics Research, Vol. 82, 401-418, 2008.
doi:10.2528/PIER08040601

5. Mehdipour, A., K. M. Aghdam, and R. F. Dana, "Completed dispersion analysis of Vivaldi antenna for ultra wideband applications," Progress In Electromagnetics Research,, Vol. 77, 85-96, 2007.
doi:10.2528/PIER07072904

6. Abbosh, A. M., "Miniaturized microstrip-fed tapered slot antenna with ultra wideband performance," IEEE Antennas and Wireless Propagat. Lett., Vol. 8, 690-692, 2009.
doi:10.1109/LAWP.2009.2025613

7. Teni, G., N. Zhang, J. H. Qiu, and P. Y. Zhang, "Research on a novel miniaturized antipodal Vivaldi antenna with improved radiation," IEEE Antennas and Wireless Propagat. Lett., Vol. 12, 417-420, 2013.
doi:10.1109/LAWP.2013.2253592

8. Fei, P., Y. C. Jiao, W. Hu, and F. S. Zhang, "A miniaturized antipodal Vivaldi antenna with improved radiation characteristics," IEEE Antennas and Wireless Propagat. Lett., Vol. 10, 127-130, 2011.

9. Hood, A., Z. T. Karacolak, and E. Topsakal, "A small antipodal Vivaldi antenna for ultra wideband applications," IEEE Antennas and Wireless Propagat. Lett., Vol. 7, 656-660, 2008.
doi:10.1109/LAWP.2008.921352

10. Zhou, B., H. Li, X. Y. Zou, and T. J. Cui, "Broadband and high-gain planar Vivaldi antennas based on inhomogeneous anisotropic zero-index metamaterials," Progress In Electromagnetics Research, Vol. 120, 235-247, 2011.

11. Xu, H. Y., H. Zhang, J. Wang, and L. X. Ma, "A new tapered slot antenna with symmetrical and stable radiation pattern," Progress In Electromagnetics Research Letters, Vol. 5, 35-43, 2008.
doi:10.2528/PIERL08103003

12. Wang, N. B., Y. Song, Y. C. Jiao, L. Zhang, and F. S. Zhang, "Extreme wideband tapered slot antenna with impedance bandwidth in excess of 21:6 : 1," Journal of Electromagnetic Waves and Applications, Vol. 23, No. 2-3, 231-238, 2009.
doi:10.1163/156939309787604445

13. Bialkowski, M. E. and Y. F. Wang, "A size-reduced exponentially tapered slot antenna with corrugations for directivity improvement," Microwave Conference, 2482-2485, Singapore, 2009.

14. Lee, D. H., H. Y. Yang, and Y. K. Cho, "Tapered slot antenna with band-notched function for ultra wideband radios," IEEE Antennas and Wireless Propagat. Lett., Vol. 11, 682-685, 2012.

15. Wang, C. J. and T. L. Sun, "Design of a microstrip monopole slot with unidirectional radiation characteristics," IEEE Trans. Antennas Propagat., Vol. 59, No. 4, 1389-1393, 2011.
doi:10.1109/TAP.2011.2109682


© Copyright 2014 EMW Publishing. All Rights Reserved