1. Rezaeieh, A. S., S. Simsek, and J. Pourahmadazar, "Design of a compact broadband circularly polarized slot antenna for wireless applications," Microwave and Optical Technology Letters, Vol. 55, No. 2, 413-418, 2013.
doi:10.1002/mop.27303
2. Gautam, A. K. and B. K. Kanaujia, "A novel dual-band asymmetric slit with defected ground structure microstrip antenna for circular polarization operation," Microwave and Optical Technology Letters, Vol. 55, No. 6, 1198-1201, 2013.
doi:10.1002/mop.27547
3. Kumar, S., B. K.. Kanaujia, A. Sharma, M. Khandelwal, and A. K. Gautam, "Single feed cross slot loaded compact circularly polarized microstrip antenna for indoor WLAN applications," Microwave and Optical Technology Letters, Vol. 56, No. 6, 1313-1317, 2014.
doi:10.1002/mop.28318
4. Abraham, J., T. Mathew, and C. K. Aanandan, "A novel proximity fed gap coupled microstrip patch array for wireless applications," Progress In Electromagnetic Research C, Vol. 61, 171-178, 2016.
doi:10.2528/PIERC15111501
5. Khawaja, B. A., M. A. Tarar, T. Tauqeer, F. Amir, and M. Mustaqim, "A 1 × 2 triple band printed antenna array for use in next generation flying Ad-hoc networks," Microwave and Optical Technology Letters, Vol. 58, No. 3, 606-610, 2016.
doi:10.1002/mop.29623
6. Yu, A., F. Yang, and A. Z. Elsherbeni, "A planar rhombic antenna with a broad circular polarization bandwidth for integrated single chip radio receivers," Microwave and Optical Technology Letters, Vol. 51, No. 6, 1493-1496, 2009.
doi:10.1002/mop.24400
7. Rao, P. N. and N. V. S. N. Sharma, "Compact single feed circularly polarized fractal boundary microstrip antenna," Microwave and Optical Technology Letters, Vol. 52, No. 1, 141-147, 2010.
doi:10.1002/mop.24854
8. Bilgic, M. M. and K. Yegin, "Wideband high gain aperture coupled antenna for Ku band phased array systems," Microwave and Optical Technology Letters, Vol. 55, No. 6, 1291-1295, 2013.
doi:10.1002/mop.27594
9. Jiang, Y., G. Wen, and H. Sun, "A new focused antenna array with circular polarization," Microwave and Optical Technology Letters, Vol. 57, No. 12, 2936-2939, 2015.
doi:10.1002/mop.29471
10. Karamzadeh, S., B. S. Virdee, V. Rafii, and M. Kartal, "Circularly polarized slot antenna array with sequentially rotated feed network for broadband application," International Journal of RF and Microwave Computer Aided Engineering, Vol. 25, No. 4, 358-363, 2015.
doi:10.1002/mmce.20869
11. Al-Ajmi, A. R. and S. F. Mahmoud, "A single feed circularly polarized patch antenna for reduced surface wave applications," Microwave and Optical Technology Letters, Vol. 51, No. 11, 2675-2679, 2009.
doi:10.1002/mop.24699
12. Sun, C., H. Zheng, and Y. Liu, "Analysis and design of a low cost dual-band compact circularly polarized antenna for GPS application," IEEE Transactions on Antennas and Propagation, Vol. 64, No. 1, 365-370, 2016.
doi:10.1109/TAP.2015.2501849
13. Chen, H. M., K. Y. Chiu, Y. F. Lin, and S. A. Yeh, "Circularly polarized slot antenna design and analysis using magnetic current distribution for RFID reader applications," Microwave and Optical Technology Letters, Vol. 54, No. 9, 2016-2022, 2012.
doi:10.1002/mop.27013
14. Yang, J., C. H. Liang, and T. Wang, "Novel dual-band circularly polarized wideband antenna for WLAN and WiMAX," Journal of Electromagnetic Waves and Applications, Vol. 26, No. 14–15, 1881-1888, 2012.
doi:10.1080/09205071.2012.718857
15. Lai, X.-Z., Z.-M. Xie, and X.-L. Cen, "Design of a dual circularly polarized antenna with high isolation for RFID applications," Progress In Electromagnetics Research, Vol. 139, 25-39, 2013.
doi:10.2528/PIER13030609
16. Huang, W., L. Sun, B. Sun, and Q. Sun, "Circularly polarized magnetic dipole with shallow and embedded structure for airborne GPS applications," Microwave and Optical Technology Letters, Vol. 57, No. 4, 902-906, 2015.
doi:10.1002/mop.28950
17. Mondal, T., S. Samanta, R. Ghatak, and S. R. B. Chaudhuri, "A novel hexagonal wideband circularly polarized stacked patch microstrip antenna," Microwave and Optical Technology Letters, Vol. 57, No. 11, 2548-2554, 2015.
doi:10.1002/mop.29383
18. Wang, J., Z. Lv, and X. Li, "Analysis of MIMO diversity improvement using circular polarized antenna," International Journal of Antennas and Propagation, Vol. 2014, 1-9, 2014.
19. Gang, L. J., G. X. Jun, and Z. H. Zhou, "The design of broadband circularly polarized planar microstrip antenna array," Microwave and Optical Technology Letters, Vol. 49, No. 12, 2936-2939, 2007.
doi:10.1002/mop.22916
20. Nayan, M. K. A., M. F. Jamlos, and M. A. Jamlos, "Circularly polarized MIMO antenna array for point to point communication," Microwave and Optical Technology Letters, Vol. 57, No. 1, 242-247, 2015.
doi:10.1002/mop.28824
21. Nayan, M. K. A., M. F. Jamlos, and M. A. Jamlos, "MIMO circular polarization array antenna with dual coupled 90◦ phased shift for point to point applications," Microwave and Optical Technology Letters, Vol. 57, No. 4, 809-814, 2015.
doi:10.1002/mop.28958
22. Nayan, M. K. A., M. F. Jamlos, H. Lago, and M. A. Jamlos, "Two port circular polarized antenna array for point to point applications," Microwave and Optical Technology Letters, Vol. 57, No. 10, 2328-2332, 2015.
doi:10.1002/mop.29360
23. Lu, J. H. and Y. H. Liu, "Novel dual-band design of planar slot array antenna for 4G LTE/WiMAX access points," Microwave and Optical Technology Letters, Vol. 54, No. 5, 1193-1196, 2012.
doi:10.1002/mop.26764
24. Haghparast, A. H. and G. Dadashzadeh, "A dual-band polygon shaped CPW-fed planar monopole antenna with circular polarization and isolation enhancement for MIMO applications," 9th European Conference on Antennas and Propagation (EuCAP), 1-4, 2015.
25. Sharawi, M. S., M. A. Jan, and D. N. Aloi, "Four shaped 2 × 2 multi standard compact multiple input multiple output antenna system for long term evolution mobile handsets," IET Microwaves Antennas and Propagation, Vol. 5, No. 7, 685-696, 2012.
doi:10.1049/iet-map.2011.0528
26. Taga, T., "Analysis for mean effective gain of mobile antennas in land mobile radio environments," IEEE Transactions on Antennas and Vehicular Technology, Vol. 39, No. 2, 954-960, 2001.