1. Schantz, H., The Art and Science of Ultrawideband Antennas, Artech House, Norwood, 2005.
2. Denidni, T. A. and G. Augustin, Ultrawideband Antennas for Microwave Imaging Systems, Artech House, Norwood, 2014.
3. Balanis, C. A., Antenna Theory --- Analysis and Design, Wiley-Interscience, Hoboken, 2005.
4. 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
5. Feng, H., L. Xu, P. Wang, and P. Gao, "Miniaturized UWB monopole-like slot antenna with low un-roundness of H-plane radiation patterns at high-frequency band," Progress In Electromagnetics Research Letters, Vol. 70, 107-113, 2017.
doi:10.2528/PIERL17071105
6. Gopikrishna, M., D. D. Krishna, C. K. Aanandan, P. Mohanan, and K. Vasudevan, "Design of a microstrip fed step slot antenna for UWB communication," Microw. Opt. Technol. Lett., Vol. 51, No. 4, 1126-1129, Apr. 2009.
doi:10.1002/mop.24262
7. Gopikrishna, M., D. D. Krishna, C. K. Aanandan, P. Mohanan, and K. Vasudevan, "Compact linear tapered slot antenna for UWB applications," Electron. Lett., Vol. 44, No. 20, 1174-1176, Sep. 2008.
doi:10.1049/el:20082269
8. Abbosh, A. M., "Miniaturized microstrip-fed tapered-slot antenna with ultrawideband performance," IEEE Antennas Wireless Propag. Lett., Vol. 8, 690-692, 2009.
doi:10.1109/LAWP.2009.2025613
9. Zhu, F., S. Gao, A. T. S. Ho, C. H. See, R. A. Abd-Alhameed, J. Li, and J. Xu, "Compact-size linearly tapered slot antenna for portable ultra-wideband imaging systems," Int. J. RF Microwave Comput. Aided Eng., Vol. 23, No. 3, 290-299, May 2013.
doi:10.1002/mmce.20673
10. Yeo, J. and J. I. Lee, "Design of compact stepped open slot Antenna for UWB applications," J. Korea Inst. Inf. Commun. Eng., Vol. 21, No. 1, 1-7, Jan. 2017.
doi:10.6109/jkiice.2017.21.1.1
11. Yeo, J., J. I. Lee, and Y. K. Cho, "Miniaturized stepped open slot antenna for UWB applications," 2018 IEEE International Symposium on Antennas and Propagation, 1-2, Boston, Massachusetts, 2018.