volume | PIER Journals

Abstract

A low-profile planar monolayer antenna for ultra-wideband (UWB) operation is presented. To achieve a UWB performance along with a compact size, a hybrid square-circular radiator and a rectangular open slotted ground plane with two symmetrical I-shaped tuning stubs are proposed. The antenna is fed by a coplanar waveguide line and has a small size of 44 × 32 × 1.6 mm³. The prototype of the proposed antenna was fabricated and tested in an anechoic chamber. The simulated and measured results show good agreement over the entire ultra-wide bandwidth. The measured results indicate that the proposed antenna can provide a wide impedance bandwidth of more than 154% from 1.7 to 13.3 GHz with -10-dB reflection coefficient. In addition, it is demonstrated that by introducing several antenna designs, the impedance bandwidth can be improved from 43% to 154%. Besides several mechanical advantages, such as compact in size, easy fabrication, and monolayer configuration without any back ground plane, the proposed antenna also shows a good performance in its radiation characteristics and time-domain behaviors. The measured results in both frequency and time domains prove that the proposed antenna can be used in a wide range of UWB applications.

1. Fan, S. T., Y. Z. Yin, B. Lee, W. Hu, and X. Yang, "Bandwidth enhancement of a printed slot antenna with two parasitic patches," IEEE Antennas and Wireless Propagation Letters, Vol. 11, 1230-1233, 2012.
doi:10.1109/LAWP.2012.2224311

2. Li, G., H. Zhai, T. Li, X. Y. Ma, and C.-H. Liang, "Design of a compact UWB antenna integrated with GSM/WCDMA/WLAN bands," Progress In Electromagnetics Research, Vol. 136, 409-419, 2013.
doi:10.2528/PIER12120604

3. Lizzi, L., G. Oliveri, and A. Massa, "A time-domain approach to the synthesis of UWB antenna systems," Progress In Electromagnetics Research, Vol. 122, 557-575, 2012.
doi:10.2528/PIER11103003

4. Zhang, Z. and Y. H. Lee, "A robust CAD tool for integrated design of UWB antenna system," Progress In Electromagnetics Research, Vol. 112, 441-457, 2011.
doi:10.2528/PIER10110502

5. Habib, M. A., A. Bostani, A. Djaiz, M. Nedil, M. C. E. Yagoub, and T. A. Denidni, "Ultra wideband CPW-fed aperture antenna with WLAN band rejection," Progress In Electromagnetics Research, Vol. 106, 17-31, 2010.
doi:10.2528/PIER10011905

6. Yu, C.-C. and X.-C. Lin, "A wideband single chip inductor-loaded CPW-fed inductive slot antenna," IEEE Transactions on Antennas and Propagation, Vol. 56, No. 5, 1498-1501, May 2008.
doi:10.1109/TAP.2008.919224

7. Li, X. L., Y.-Z. Yin, P. A. Liu, J. H. Wang, and B. Xu, "A CPW-fed dual band-notched UWB antenna with a pair of bended dual-L-shape parasitic branches," Progress In Electromagnetics Research, Vol. 136, 623-634, 2013.
doi:10.2528/PIER12122507

8. Chen, D. and C.-H. Cheng, "A novel compact ultra-wideband (UWB) wide slot antenna with via holes," Progress In Electromagnetics Research, Vol. 94, 343-349, 2009.
doi:10.2528/PIER09062306

9. Jiao, J.-J., G. Zhao, F.-S. Zhang, H.-W. Yuan, and Y.-C. Jiao, "A broadband CPW-fed T-shape slot antenna," Progress In Electromagnetics Research, Vol. 76, 237-242, 2007.
doi:10.2528/PIER07070904

10. Chiou, J.-Y., J.-Y. Sze, and K.-L.Wong, "A broad-band CPW-fed striploaded square slot antenna," IEEE Transactions on Antennas and Propagation, Vol. 51, No. 4, 719-721, Apr. 2003.
doi:10.1109/TAP.2003.812232

11. Chen, W. S. and F. M. Hsieh, "A broadband design for a printed isosceles triangular slot antenna for wireless communications," Microwave Journal, Vol. 48, No. 7, 98-112, Jul. 2005.

12. Chen, W. S., "A novel broadband design of a printed rectangular slot antenna for wireless communications," Microwave Journal, Vol. 49, No. 1, 122-130, Jul. 2006.

13. Li, P., J. Liang, and X. Chen, "Study of printed elliptical/circular slot antennas for ultrawideband applications," IEEE Transactions on Antennas and Propagation, Vol. 54, No. 6, 1670-1675, Jun. 2006.
doi:10.1109/TAP.2006.875499

14. Jan, J. Y. and L. C. Wang, "A study on broadband printed slot antennas with regular rhombus slots," Proc. IEEE Region 10 Conference (TENCON), 1-3, Taipei, Taiwan, Oct. 30-Nov. 2, 2007.

15. Krishna, D. D., M. Gopikrishna, C. K. Anandan, P. Mohanan, and K. Vasudevan, "CPW-fed koch fractal slot antenna for WLAN/WiMAX applications," IEEE Antennas and Wireless Propagation Letters, Vol. 7, 389-392, 2008.
doi:10.1109/LAWP.2008.2000814

16. Sze, J.-Y., C.-I. G. Hsu, and S.-C. Hsu, "Design of a compact dual-band annular-ring slot antenna," IEEE Antennas and Wireless Propagation Letters, Vol. 6, 423-426, 2007.
doi:10.1109/LAWP.2007.902053

17. Liang, X. L., T. A. Denidni, L. N. Zhang, R. H. Jin, J. P. Geng, and Q. Yu, "Printed binomal-curved slot antennas for various wideband applications," IEEE Transactions on Microwave Theory and Techniques, Vol. 59, No. 4, 1058-1065, Apr. 2011.
doi:10.1109/TMTT.2011.2113990

18. Lee, H. L., H. J. Lee, J. G. Yook, and H. K. Park, "Broadband planar antenna having round corner rectangular wide slot," Proc. IEEE Antennas and Propagation Society Int. Symp., Vol. 2, 460-463, Jun. 16-21, 2002.

19. Chen, H.-D., "Broadband CPW-fed square slot antennas with a widened tuning stub," IEEE Transactions on Antennas and Propagation, Vol. 51, No. 4, 1982-1986, Aug. 2003.
doi:10.1109/TAP.2003.814747

20. Chair, R., A. A. Kishk, and K. F. Lee, "Ultrawideband coplanar waveguide-fed rectangular slot antenna," IEEE Antennas and Wireless Propagation Letters, Vol. 3, 227-229, 2004.
doi:10.1109/LAWP.2004.836580

21. Liu, Y. F., K. L. Lau, Q. Xue, and C. H. Chan, "Experimental studies of printed wide-slot antenna for wide-band applications," IEEE Antennas and Wireless Propagation Letters, Vol. 3, 273-275, 2004.
doi:10.1109/LAWP.2004.837510

22. Eskandari, H., M. R. Booket, M. Kamyab, and M. Veysi, "Investigation on a class of wideband printed slot antenna," IEEE Antennas and Wireless Propagation Letters, Vol. 9, 1221-1224, 2010.
doi:10.1109/LAWP.2010.2100360

23. Liu, W. X., Y. Z. Yin, W. L. Xu, and S. L. Zuo, "Compact open-slot antenna with bandwidth enhancement," IEEE Antennas and Wireless Propagation Letters, Vol. 10, 850-1224, 2011.

24. Sung, Y., "Bandwidth enhancement of a microstrip line-fed printed wide-slot antenna with a parasitic center patch," IEEE Transactions on Antennas and Propagation, Vol. 60, No. 4, 1712-1716, Apr. 2012.
doi:10.1109/TAP.2012.2186224

25. Xu, K., Z. Zhu, H. Li, J. Huangfu, C. Li, and L. Ran, "A printed single-layer UWB monopole antenna with extended ground plane stubs," IEEE Antennas and Wireless Propagation Letters, Vol. 12, 237-240, 2013.
doi:10.1109/LAWP.2013.2247555

26. Unnikrishnan, D., D. Kaddour, S. Tedjini, E. Bihar, and M. Saadaoui, "CPW-fed inkjet printed UWB antenna on ABS-PC for integration in molded interconnect devices technology," IEEE Antennas and Wireless Propagation Letters, Vol. 14, 1124-1128, 2015.

27. Siddiqui, J. Y., C. Saha, and Y. M. M. Antar, "A novel ultrawideband (UWB) printed antenna with a dual complementary characteristic," IEEE Antennas and Wireless Propagation Letters, Vol. 14, 974-977, 2015.
doi:10.1109/LAWP.2014.2388272

Dr. Aliakbar Dastranj

Dr. Bijan Abbasi-Arand