1. Evans, J. A. and M. J. Ammann, "Planar trapezoidal and pentagonal monopoles with impedance bandwidths in excess of 10 : 1," Proc. IEEE Antennas Propag. Symp., Vol. 3, 1558-1561, 1999.
2. Ammann, M. J. and Z. N. Chen, "A wideband shorted planar monopole with bevel," IEEE Transactions on Antennas and Propagation, Vol. 51, 901-903, 2004.
3. Liang, X. L., S. S. Zhong, and W. Wang, "UWB printed circular monopole antenna," Microw. Opt. Tech. Lett., Vol. 48, 1532-1534, 2006.
4. Zhang, Y., Z. N. Chen, and M. Y. W. Chia, "Effects of finite ground plane and dielectric substrate on planar dipoles for UWB applications," Proc. IEEE Int. Symp. Antennas Propagation, 2512-2515, 2004.
5. Shukla, B. K., N. kashyap, and R. K. Baghel, "A novel design of Scarecrow-shaped patch antenna for broadband applications," International Journal of Microwave and Wireless Technologies, page 1 of 9, Cambridge University Press and the European Microwave Association, 2017.
6. Ellis, M. S., Z. Zhao, J. Wu, Z. Nie, and Q. H. Liu, "Small planar monopole ultra wideband antenna with reduced ground plane effect," IET Microw. Antennas Propag., Vol. 9, 1028-1034, 2015.
7. Ghaderi, M. R. and F. Mohajeri, "A compact hexagonal wide slot antenna with microstrip fed monopole for UWB application," IEEE Antennas Wireless Propag. Lett., Vol. 10, 682-685, 2011.
8. Wong, K. L., C. H.Wu, and S. W. Su, "Ultrawideband square planar metal-plate monopole antenna with a trident-shaped feeding strip," IEEE Transactions on Antennas and Propagation, Vol. 53, 1262-1269, 2005.
9. Paulsen, L., J. B. West, W. T. Perger, and J. Kraus, "Recent investigation of the volcano smoke antenna," Proc. IEEE Antennas Propag. Symp., Vol. 3, 845-848, 2003.
10. Anob, P. V., K. P. Ray, and G. Kumar, "Wideband orthogonal square monopole antennas with semi-circular base," Proc. IEEE Antennas Propag. Symp., Vol. 3, 294-297, 2001.
11. Wong, K. L., C. C. Huang, and W. S. Chen, "Printed ring slot antenna for circular polarisation," IEEE Transactions on Antennas and Propagation, Vol. 50, 75-77, 2002.
12. Ansari, J. A., A. Singh, and M. Aneesh, "Desktop shaped broadband microstrip patch antennas for wireless communications," Progress In Electromagnetics Research Letters, Vol. 50, 13-18, 2014.
13. Jan, J. Y. and J. W. Su, "Bandwidth enhancement of a printed wide-slot antenna with a rotated slot," IEEE Transactions on Antennas and Propagation, Vol. 53, 2111-2114, 2005.
14. Sze, J. Y. and K. L. Wong, "Bandwidth enhancement of a microstrip-line-fed printed wide-slot antenna," IEEE Transactions on Antennas and Propagation, Vol. 49, 1020-1024, 2001.
15. Jan, J. Y. and L. C. Wang, "Printed wideband rhombus slot antenna with a pair of parasitic strips for multiband applications," IEEE Transactions on Antennas and Propagation, Vol. 57, 1267-1270, 2009.