1. Nallapaneni, S. and P. Muthusamy, "Design of multiband fractal antenna loaded with parasitic elements for gain enhancement," International Journal of RF and Microwave Computer-Aided Engineering, Vol. 31, No. 6, 2021, https://doi.org/10.1002/mmce.22622.
doi:10.1002/mmce.22622
2. Malathy, E. M., V. Thanikachalam, and D. Ruby, "Metamaterial-loaded multiband antenna for em-bedded automotive internet-of-things communications," International Journal of Communication Systems, Vol. 34, No. 15, 2021, https://doi.org/10.1002/dac.4941.
3. Dey, A. B., D. Mitra, and W. Arif, "Design of CPW fed multiband antenna for wearable wireless body area network applications," International Journal of RF and Microwave Computer-Aided Engineering, Vol. 30, No. 12, 2020, https://doi.org/10.1002/mmce.22459.
doi:10.1002/mmce.22459
4. Puri, S. C., S. Das, and M. G. Tiary, "A multiband antenna using plus-shaped fractal-like elements and stepped ground plane," International Journal of RF and Microwave Computer-Aided Engineering, Vol. 30, No. 5, 2020, https://doi.org/10.1002/mmce.22169.
doi:10.1002/mmce.22169
5. Ali, T., K. D. Prasad, and R. C. Biradar, "A miniaturized slotted multiband antenna for wireless applications," Journal of Computational Electronics, Vol. 17, No. 3, 1056-1070, 2018, https://doi.org/10.1007/s10825-018-1183-z.
doi:10.1007/s10825-018-1183-z
6. Anand, R. and P. Chawla, "Optimization of inscribed hexagonal fractal slotted mi-crostrip antenna using modified lightning attachment procedure optimization," International Journal of Microwave and Wireless Technologies, Vol. 12, No. 6, 519-530, 2020, https://doi.org/10.1017/s1759078720000148.
doi:10.1017/S1759078720000148
7. Midya, M., S. Bhattacharjee, and M. Mitra, "Compact CPW-fed circularly polarized antenna for WLAN application," Progress In Electromagnetics Research M, Vol. 67, 65-73, 2018.
doi:10.2528/PIERM18021505
8. Gao, S. S., Q. Luo, and F. Zhu, Circularly Polarized Antennas, John Wiley & Sons, 2013.
9. Falade, O. P., M. Ur-Rehman, X. Yang, G. A. Safdar, C. G. Parini, and X. Chen, "Design of a compact multiband circularly polarized antenna for global navigation satellite systems and 5G/B5G applications," International Journal of RF and Microwave Computer-Aided Engineering, Vol. 30, No. 6, 2020, https://doi.org/10.1002/mmce.22182.
doi:10.1002/mmce.22182
10. Iwasaki, H., "A circularly polarized small-size microstrip antenna with a cross slot," IEEE Transactions on Antennas and Propagation, Vol. 44, No. 10, 1399-1401, 1996, https://doi.org/10.1109/8.537335.
doi:10.1109/8.537335
11. Nasimuddin, X. Q. and Z. N. Chen, "A compact circularly polarized slotted patch antenna for GNSS applications," IEEE Transactions on Antennas and Propagation, Vol. 62, No. 12, 6506-6509, 2014, https://doi.org/10.1109/tap.2014.2360218.
doi:10.1109/TAP.2014.2360218
12. Randy, O. T., Nasimuddin, and A. Alphones, "Circularly polarized slotted-ground microstrip antennas for radiofrequency identification readers," Microwave and Optical Technology Letters, Vol. 54, No. 10, 2304-2309, 2012, https://doi.org/10.1002/mop.27075.
doi:10.1002/mop.27075
13. Bag, B., P. Biswas, R. Mondal, S. Biswas, and P. P. Sarkar, "Circularly polarized quad-band monopole antenna of wireless communication system," International Journal of RF and Microwave Computer-Aided Engineering, Vol. 29, No. 9, 2019, https://doi.org/10.1002/mmce.21818.
doi:10.1002/mmce.21818
14. Shaw, M., N. Mandal, and M. Gangopadhyay, "A compact circularly polarized isosceles triangular microstrip patch antenna with parasitic elements for multiband application," Microwave and Optical Technology Letters, Vol. 62, No. 10, 3275-3282, 2020, https://doi.org/10.1002/mop.32445.
doi:10.1002/mop.32445
15. Sharma, P. and K. Gupta, "Analysis and optimized design of single feed circularly polarized microstrip antennas," IEEE Transactions on Antennas and Propagation, Vol. 31, No. 6, 949-955, 1983, https://doi.org/10.1109/tap.1983.1143162.
doi:10.1109/TAP.1983.1143162
16. Bairami, P., M. Fakheri, V. Rafii, and L. Asadpor, "Circularly polarized multi segment circular fractal array antenna by modified feed network for C-band application," IETE Journal of Research, Vol. 63, No. 2, 188-193, 2016, https://doi.org/10.1080/03772063.2016.1255157.
doi:10.1080/03772063.2016.1255157
17. Sim, C. Y., W. C. Weng, M. H. Chang, and B. Y. Chen, "Annular-ring slot antenna designs with circular polarization radiation," International Journal of RF and Microwave Computer-Aided Engineering, Vol. 25, No. 4, 337-345, 2014, https://doi.org/10.1002/mmce.20867.
doi:10.1002/mmce.20867
18. Dhara, R., S. K. Jana, and M. Mitra, "Tri-band circularly polarized monopole antenna for wireless communication application," Radioelectronics and Communications Systems, Vol. 63, No. 4, 213-222, 2020, https://doi.org/10.3103/s0735272720040044..
doi:10.3103/S0735272720040044
19. Verma, M. K., B. K. Kanaujia, J. P. Saini, and P. Singh, "A compact multi-slots loaded gap coupled CP antenna with DGS for WLAN/WiMAX applications," International Journal of RF and Microwave Computer-Aided Engineering, Vol. 30, No. 12, 2020, https://doi.org/10.1002/mmce.22431.
doi:10.1002/mmce.22431
20. Khandelwal, M. K., S. Kumar, and B. K. Kanaujia, "Design, modeling and analysis of dual-feed defected ground microstrip patch antenna with wide axial ratio bandwidth," Journal of Computational Electronics, Vol. 17, No. 3, 1019-1028, 2018, https://doi.org/10.1007/s10825-018-1173-1.
doi:10.1007/s10825-018-1173-1
21. Srivastava, K., B. Mishra, and R. Singh, "Microstrip-line-fed inverted L-shaped circularly polarized antenna for C-band applications," International Journal of Microwave and Wireless Technologies, Vol. 14, No. 4, 502-510, 2021, https://doi.org/10.1017/s1759078721000635.
doi:10.1017/S1759078721000635
22. Tharehalli Rajanna, P. K., K. Rudramuni, and K. Kandasamy, "Compact triband circularly polarized planar slot antenna loaded with split ring resonators," International Journal of RF and Microwave Computer-Aided Engineering, Vol. 29, No. 12, 2019, https://doi.org/10.1002/mmce.21953.
doi:10.1002/mmce.21953
23. Le, T. T., H. H. Tran, and T. K. Nguyen, "Compact broadband circularly polarized slot-patch antenna array," International Journal of RF and Microwave Computer-Aided Engineering, Vol. 29, No. 1, e21468, 2018, https://doi.org/10.1002/mmce.21468.
doi:10.1002/mmce.21468
24. Alam, M., Mainuddin, B. Kanaujia, M. Beg, S. Kumar, and K. Rambabu, "A hexa-band dual-sense circularly polarized antenna for WLAN/Wi-MAX/SDARS and C-band applications," International Journal of RF and Microwave Computer-Aided Engineering, Vol. 29, No. 4, e21599, 2018, https://doi.org/10.1002/mmce.21599.
doi:10.1002/mmce.21599
25. Sung, Y., "Circularly polarized patch antenna with two different C-shaped ring structures," Microwave and Optical Technology Letters, Vol. 61, No. 12, 2773-2780, 2019, https://doi.org/10.1002/mop.31972.
doi:10.1002/mop.31972
26. Lu, J.-H. and K.-L. Wong, "Single-feed circularly polarized equilateral-triangular microstrip antenna with a tuning stub," IEEE Transactions on Antennas and Propagation, Vol. 48, No. 12, 1869-1872, 2000, https://doi.org/10.1109/8.901278.
doi:10.1109/8.901277
27. Ding, K., T. Yu, D.-X. Qu, and C. Peng, "A novel loop-like monopole antenna with dual-band circular polarization," Progress In Electromagnetics Research C, Vol. 45, 179-190, 2013.
doi:10.2528/PIERC13102002
28. Srivastava, K., B. Mishra, A. K. Patel, and R. Singh, "Circularly polarized defected ground stub-matched triple-band microstrip antenna for C- and X-band applications," Microwave and Optical Technology Letters, Vol. 62, No. 10, 3301-3309, 2020, https://doi.org/10.1002/mop.32450.
doi:10.1002/mop.32450
29. Shinde, J. P., R. Kumar, and M. D. Uplane, "Circular polarization in defected hexagonal-shaped microstrip antenna," Wireless Personal Communications, Vol. 75, No. 2, 843-856, 2013, https://doi.org/10.1007/s11277-013-1394-3.
doi:10.1007/s11277-013-1394-3
30. Mishra, B., V. Singh, and R. Singh, "Dual and wide-band slot-loaded stacked microstrip patch antenna for WLAN/WiMAX applications," Microsystem Technologies, Vol. 23, No. 8, 3467-3475, 2016, https://doi.org/10.1007/s00542-016-3120-z.
doi:10.1007/s00542-016-3120-z