1. Li, P., J. Liang, and X. Chen, "Study of printed elliptical/circular slot antennas for ultrawideband applications," IEEE Trans. Antennas Propag., Vol. 54, No. 6, 1670-1675, 2006.
doi:10.1109/TAP.2006.875499
2. Dastranj, A. and H. Abiri, "Bandwidth enhancement of printed E-shaped slot antennas fed by CPW and microstrip line," IEEE Trans. Antennas Propag., Vol. 58, No. 4, 1402-1407, 2010.
doi:10.1109/TAP.2010.2041164
3. Manohar, M., R.-S. Kshetrimayum, and A.-K. Gogoi, "A compact printed triangular monopole antenna for ultrawideband applications," Microwave and Optical Technology Letters, Vol. 56, No. 5, 1155-1159, 2014.
doi:10.1002/mop.28290
4. Jan, J.-Y. and J.-W. Su, "Bandwidth enhancement of a printed wide-slot antenna with a rotated slot," IEEE Trans. Antennas Propag., Vol. 53, No. 6, 2111-2114, 2005.
doi:10.1109/TAP.2005.848518
5. Liang, J., C.-C. Chiau, X. Chen, and C.-G. Parini, "Printed circular disc monopole antenna for ultra-wideband applications," Electronics Letters, Vol. 40, No. 20, 1246, 2004.
doi:10.1049/el:20045966
6. Xu, K.-D., Y.-H. Zhang, J. Ronald, Y. Fan, W.-T. Joines, and Q.-H. Liu, "Design of a stub loaded ring resonator slot for antenna applications," IEEE Trans. Antennas Propag., Vol. 63, No. 2, 517-524, 2015.
doi:10.1109/TAP.2014.2382646
7. Song, K., Y.-Z. Yin, X.-B. Wu, and L. Zhang, "Bandwidth enhancement of open slot antenna with a T-shaped stub," Microwave and Optical Technology Letters, Vol. 52, No. 2, 390-393, 2010.
doi:10.1002/mop.24929
8. Sung, Y., "Stub loaded square ring antenna for circular polarization applications," Journal of Electromagnetic Waves and Applications, Vol. 30, No. 11, 1465-1473, 2016.
doi:10.1080/09205071.2016.1202788
9. Yadav, N. P., M. R. Tripathy, and Y. Jeong, "T-shaped slot loaded rectangular patch antenna with enhanced bandwidth using defected ground structure," 2018 Progress In Electromagnetics Research Symposium (PIERS — Toyama), Japan, August 1–4, 2018.
10. Sharma, A., B.-K. Kanaujia, and S. Kumar, "Compact microstrip antenna loaded with T-shaped slots," Int. Conf. on Microw. and Photo. (ICMAP), 2013, 2013.
11. Verma, R.-K. and D.-K. Srivastava, "Bandwidth enhancement of a slot loaded T-shape patch antenna," J. of Comput. Elect., Vol. 18, 205-210, 2019.
12. Ansari, J.-A. and S. Verma, "Analysis of T-slot loaded disk patch antenna for dual band operation with small frequency ratio," Int. J. of Fut. Gener. Comm. and Netw., Vol. 8, No. 3, 15-30, 2015.
13. Chen, Q., H. Zhang, Y.-J. Shao, and T. Zhong, "Bandwidth and gain improvement of an L-shaped slot antenna with metamaterial loading," IEEE Antennas and Wireless Propagation Letters, Vol. 17, No. 8, 1411-1415, 2018.
14. Ansari, J.-A., A. Mishra, N.-P. Yadav, P. Singh, and B.-R. Vishvakarma, "Analysis of L-shaped slot loaded circular disk patch antenna for satellite and radio telecommunication," Wireless Pers. Commun., Vol. 70, 927-943, 2013.
15. Das, S., P.-P. Sarkar, and S.-K. Chowdhury, "Analysis of an open-ended inverted L-shaped slotloaded microstrip patch antenna for size reduction and multifrequency operation," Journal of Electromagnetic Waves and Applications, Vol. 29, No. 7, 874-890, 2015.
16. Zhang, W. and J. Yang, "Design of L-shaped open slot antenna used in UAV Airborn communication system," Int. J. of Ant. and Propag., 1-13, 2018.
17. Sharma, N. and S.-S. Bhatia, "Performance enhancement of nested hexagonal ring shaped compact multiband integrated wideband fractal antennas for wireless applications," Int. J. of RF and Microw. Comput. Aided Eng., Vol. 30, No. 3, 1-21, 2019.
18. Sung, Y., "Bandwidth enhancement of a microstrip line-fed printed wide-slot antenna with a parasitic centre patch," IEEE Trans. Antennas Propag., Vol. 60, No. 4, 1712-1716, 2012.
19. Meng, L., W. Wang, M. Su, J. Gao, and Y. Liu, "Bandwidth extension of a printed square monopole antenna loaded with periodic parallel-plate lines," Int. J. of Ant. and Propag., 1-10, 2017.
20. Sharma, N. and S.-S. Bhatia, "Double split labyrinth resonator-based CPW-fed hybrid fractal antennas for PCS/UMTS/WLAN/Wi-MAX," Journal of Electromagnetic Waves and Applications, Vol. 33, No. 18, 2476-2498, 2019.
21. Li, K., T. Dong, and Z. Xia, "Wideband printed wide-slot antenna with fork-shaped stub," Electronics, Vol. 8, No. 3, 347, 2019.
22. Yoon, C., W.-S. Kim, S.-Y. Kang, H.-C. Lee, and H.-D. Park, "Printed monopole antenna on a thin substrate for UWB applications," Microwave and Optical Technology Letters, Vol. 53, No. 6, 1262-1264, 2011.
23. Bhatia, S.-S. and J.-S. Sivia, "A novel design of circular monopole antenna for wireless applications," Wireless Pers. Commun., Vol. 91, 1153-1161, 2016.
24. Dastranj, A. and F. Bahmanzadeh, "A compact UWB antenna design using rounded inverted Lshaped slots and beveled asymmetrical patch," Progress In Electromagnetics Research C, Vol. 80, 131-140, 2018.
25. Bhatia, S. S., A. Shani, and S. B. Rana, "A novel design of compact monopole antenna with defected ground plane for wideband applications," Progress In Electromagnetics Research M, Vol. 70, 21-31, 2018.
26. Addaci, R. and T. Fortaki, "Miniature low profile UWB antenna: New techniques for bandwidth enhancement and radiation pattern stability," Microwave and Optical Technology Letters, Vol. 58, No. 8, 1808-1813, 2016.
27. Tiwari, R.-N., P. Singh, and B.-K. Kanaujia, "Small-size scarecrow-shaped CPW and microstrip-line-fed UWB antennas," J. of Comput. Elect., Vol. 17, 1047-1055, 2018.
28. Man, M.-Y., R. Yang, Z.-Y. Lei, Y.-J. Xie, and J. Fan, "Ultra-wideband planar inverted-F antennas with cut-etched ground plane," Electronics Letters, Vol. 48, No. 14, 817, 2012.