1. Schantz, H., The Art and Science of Ultra Wideband Antennas, Artech House, 2005.
2. Rao, P. H., "Feed effects on the dimensions of wide-band slot antennas ," Microw. Opt. Tech. Lett., Vol. 40, 77-79, 2004.
doi:10.1002/mop.11289
3. Rao, P. H., V. F. Fusco, and R. Cahill, "Linearly polarized radial stub fed high performance wide-band slot antenna," Electron. Lett., Vol. 37, 335-337, 2001.
doi:10.1049/el:20010234
4. Jang, Y. W., "Broadband cross-shaped microstrip-fed slot antenna," Electron. Lett., Vol. 36, 2056-2057, 2000.
doi:10.1049/el:20001477
5. Yang, M. and Y. Chen, "A novel U-shaped planar microstrip antenna for dual-frequency mobile telephone communications," IEEE Trans. Antennas Propag., Vol. 49, No. 1, 1002-1004, Jun. 2001.
doi:10.1109/8.931160
6. Pues, H. F. and A. R. Van de Capelle, "An impedance matching technique for increasing the bandwidth of microstrip antennas," IEEE Trans. Antennas Propag., Vol. 37, No. 11, 1345-1354, Nov. 1989.
doi:10.1109/8.43553
7. Yang, F., X.-X. Zhang, X. Ye, and Y. Rahmat-Samii, "Wide-band E-patched patch antenna for wireless communications," IEEE Trans. Antennas Propag., Vol. 49, No. 7, 1094-1100, Jul. 2001.
doi:10.1109/8.933489
8. Chang, E., S. A. Long, and W. F. Richards, "Experimental investigation of electrically thick rectangular microstrip antennas," IEEE Trans. Antennas Propag., Vol. 34, No. 6, 767-772, Jun. 1986.
doi:10.1109/TAP.1986.1143890
9. Ojaroudi, M., G. Kohneshahri, and J. Noory, "Small modified monopole antenna for UWB application," IET Microw, Antennas Propag., Vol. 3, No. 5, 863-869, Aug. 2009.
doi:10.1049/iet-map.2008.0236
10. Ojaroudi, M., C. Ghobadi, and J. Nourinia, "Small square monopole antenna with inverted T-shaped notch in the ground plane for UWB application," IEEE Antennas and Wireless Propagation Letters, Vol. 8, No. 1, 728-731, 2009.
doi:10.1109/LAWP.2009.2025972
11. Ansoft High Frequency Structure Simulation (HFSS), Ver. 10, Ansoft Corporation, 2005.