1. Federal Communications Commission "FCC report on ultra wideband technology,", Washington, D.C., 2002.
2. Lim, G., Z. Wang, C.-U. Lei, Y. Wang, and K. L. Man, "Ultra wideband antenna: Past and present," IANGE International Journal of Computer Science, Vol. 37, No. 3, IJCS 37 3 12, 2002.
doi:10.1002/mop.11392
3. Choi, S. H., J. K. Park, S. K. Kim, and Y. K. Park, "A new ultra wideband antenna for UWB applications," Microwave and Optical Technology Letters, Vol. 40, No. 5, 399-401, 2004.
doi:10.1109/TAP.2005.858598
4. Liang, J., C. C. Chiau, X. Chen, and C. G. Parini, "Study of a printed circular disc monopole antenna for UWB systems," IEEE Transaction on Antenna and Propagation, Vol. 53, No. 11, 3500-3504, 2005.
doi:10.1109/TAP.2007.893408
5. Ray, K. P. and Y. Ranga, "Ultrawide-band printed elliptical monopole Antennas," IEEE Transaction on Antenna and Propagation, Vol. 55, No. 4, 1189-1192, 2007.
doi:10.1049/el:20040302
6. Kim, Y. and D. H. Kwon, "CPW-fed planar ultrawideband antenna having a frequency band notch function," Electronics Lett., Vol. 40, No. 7, 403-405, 2004.
7. Lin, Y. C. and H. R. Huang, "Compact ultrawideband rectangular aperture antenna and band-notched designs," IEEE Transaction on Antennas and Propagation, Vol. 54, No. 7, 3075-3081, 2006.
doi:10.1109/TAP.2009.2023475
8. Zaker, R., C. Ghobadi, and J. Nouronia, "Bandwidth enhancement of novel compact single and dual band-notched printed monopole antenna with a pair of L shaped slots," IEEE Transaction on Antenna and Propagation, Vol. 57, No. 12, 3978-3983, 2009.
9. Li, W. T., X. W. Shi, and Y. Q. Hei, "Novel planar monopole antenna with triple band notched characteristics," IEEE Transaction on Antenna and Wireless Propagat. Lett., Vol. 8, 1094-1098, 2009.
doi:10.1109/LAWP.2008.2000724
10. Bialkowski, M. E. and A. M. Abbosh, "Design of UWB planar antenna with improved cut-off at the out of band frequencies," IEEE Transaction on Antenna and Wireless Propagat. Lett., Vol. 7, 408-410, 2008.
doi:10.1109/TAP.2010.2096399
11. Zheng, Z.-A., Q.-X. Chu, and Z.-H. Tu, "Compact band-rejected ultrawideband slot antennas inserting with λ/2 and λ/4 resonators," IEEE Transaction on Antenna and Wireless Propagat. Lett., Vol. 59, No. 2, 390-397, Feb. 2011.
12. Qing, X., Z. N. Chen, and M. Y. W. Chia, "Characterization of ultrawideband antennas using transfer functions," Radio Science, Vol. 41, 1-10, 2006.
doi:10.1049/iet-map.2009.0038
13. Chamaani, S., S. A. Mirtaheri, K. Paran, A. Abolghasemi, M. Fardis, "Coplanar waveguide-fed ultra-wideband planar antenna optimization," IET Microw. Antennas Propaga., Vol. 4, No. 9, 1264-1274, 2010.
doi:10.1109/TAP.2011.2165503
14. Srifi, M. N., M. Essaaidi, and S. K. Podilchalk. Y. M. Antar, "Compact disc monopole antenna for current and future ultrawideband applications," IEEE Transaction on Antenna and Propagation, Vol. 59, No. 12, 4470-4480, 2011.
15. Kumar, M., A. Basu, and S. K. Koul, "Ultrawideband slot antenna with improved performance in time and frequency domain," Progress In Electromagnetic Research C, Vol. 18, 197-210, 2011.
doi:10.1109/TAP.2012.2196910
16. Clementi, G., N. Fortino, J. Y. Dauvignac, and G. Kossiavas, "Frequency and time domain analysis of different approaches to the backing of UWB slot antenna," IEEE Transaction on Antenna and Propagation, Vol. 60, No. 7, 3495-3498, 2012.
doi:10.2528/PIERM08051903
17. Lim, K. S, M. Nagalingam, and C. P. Tan, "Design and construction of microstrip UWB antenna with time domain analysis," Progress In Electromagnetic Research M, Vol. 3, 153-164, 2008.
18. Karmakar, A., S. Verma, M. Pal, and R. Ghatak, "An ultra wideband monopole antenna with multiple fractal slots with dual band rejection characteristics ," Progress In Electromagnetic Research C, Vol. 31, 185-197, 2012.
doi: --- Either ISSN or Journal title must be supplied.