1. Gao, S. S., Q. Luo, and F. Zhu, Circularly Polarized Antennas, John Wiley & Sons, 2013.
2. Huang, J., W. Lin, F. Qiu, C. Jiang, D. Lei, and Y. J. Guo, "A low profile, ultra-lightweight, high efficient circularly-polarized antenna array for ku band satellite applications," IEEE Access, Vol. 5, 18356-18365, 2017.
doi:10.1109/ACCESS.2017.2750318
3. Alieldin, A., Y. Huang, M. Stanley, and S. Joseph, "A circularly polarized circular antenna array for satellite TV reception," 2018 15th European Radar Conference (EuRAD), 505-508, IEEE, 2018.
doi:10.23919/EuRAD.2018.8546512
4. Guntupalli, A. B. and K. Wu, "60-GHz circularly polarized antenna array made in low-cost fabrication process," IEEE Antennas and Wireless Propagation Letters, Vol. 13, 864-867, 2014.
doi:10.1109/LAWP.2014.2320906
5. Li, Y., Z. N. Chen, X. Qing, Z. Zhang, J. Xu, and Z. Feng, "Axial ratio bandwidth enhancement of 60-GHz substrate integrated waveguide-fed circularly polarized LTCC antenna array," IEEE Transactions on Antennas and Propagation, Vol. 60, No. 10, 4619-4626, 2012.
doi:10.1109/TAP.2012.2207343
6. Li, M. and K.-M. Luk, "Low-cost wideband microstrip antenna array for 60-GHz applications," IEEE Transactions on Antennas and Propagation, Vol. 62, No. 6, 3012-3018, 2014.
doi:10.1109/TAP.2014.2311994
7. Liu, C., Y.-X. Guo, X. Bao, and S.-Q. Xiao, "60-GHz LTCC integrated circularly polarized helical antenna array," IEEE Transactions on Antennas and Propagation, Vol. 60, No. 3, 1329-1335, 2011.
doi:10.1109/TAP.2011.2180351
8. Sun, H., Y.-X. Guo, and Z. Wang, "60-GHz circularly polarized U-slot patch antenna array on LTCC," IEEE Transactions on Antennas and Propagation, Vol. 61, No. 1, 430-435, 2012.
doi:10.1109/TAP.2012.2214018
9. So, K. K. and C. H. Chan, "Circularly polarized patch antenna array for satellite communication in ku band," 2016 10th European Conference on Antennas and Propagation (EuCAP), 1-4, IEEE, 2016.
10. Ioannides, P. and C. A. Balanis, "Uniform circular and rectangular arrays for adaptive beamforming applications," IEEE Antennas and Wireless Propagation Letters, Vol. 4, 351-354, 2005.
doi:10.1109/LAWP.2005.857039
11. Chang, F.-S., K.-L. Wong, and T.-W. Chiou, "Low-cost broadband circularly polarized patch antenna," IEEE Transactions on Antennas and Propagation, Vol. 51, No. 10, 3006-3009, 2003.
doi:10.1109/TAP.2003.818010
12. Esselle, K. P., A. Verma, et al. "Wideband circularly polarized stacked microstrip antennas," IEEE Antennas and Wireless Propagation Letters, Vol. 6, 21-24, 2007.
13. Guo, Y.-X. and D. C. H. Tan, "Wideband single-feed circularly polarized patch antenna with conical radiation pattern," IEEE Antennas and Wireless Propagation Letters, Vol. 8, 924-926, 2009.
14. Lin, C., F.-S. Zhang, Y.-C. Jiao, F. Zhang, and X. Xue, "A three-fed microstrip antenna for wideband circular polarization," IEEE Antennas and Wireless Propagation Letters, Vol. 9, 359-362, 2010.
doi:10.1109/LAWP.2010.2048296
15. Qing, X., "Broadband aperture-coupled circularly polarized microstrip antenna fed by a three-stub hybrid coupler," Microwave and Optical Technology Letters, Vol. 40, No. 1, 38-41, 2004.
doi:10.1002/mop.11280
16. Kilgus, C., "Shaped-conical radiation pattern performance of the backfire quadrifilar helix," IEEE Transactions on Antennas and Propagation, Vol. 23, No. 3, 392-397, 1975.
doi:10.1109/TAP.1975.1141084
17. Chen, Y.-Y. and K.-L. Wong, "Low-profile broadband printed quadrifilar helical antenna for broadcasting satellite application," Microwave and Optical Technology Letters, Vol. 36, No. 2, 134-136, 2003.
doi:10.1002/mop.10698
18. Keen, K., "Bandwidth dependence of resonant quadrifilar helix antennas," Electronics Letters, Vol. 46, No. 8, 550-552, 2010.
doi:10.1049/el.2010.0372
19. Pan, Y. and K. W. Leung, "Wideband circularly polarized trapezoidal dielectric resonator antenna," IEEE Antennas and Wireless Propagation Letters, Vol. 9, 588-591, 2010.
doi:10.1109/LAWP.2010.2053910
20. Deng, S.-M. and C.-L. Tsai, "A broadband slot-coupled circularly polarized rectangular notch dielectric resonator antenna fed by a microstrip line," 2005 IEEE Antennas and Propagation Society International Symposium, Vol. 4, 246-249, IEEE, 2005.
doi:10.1109/APS.2005.1552790
21. Pan, Y. and K. W. Leung, "Wideband omnidirectional circularly polarized dielectric resonator antenna with parasitic strips," IEEE Transactions on Antennas and Propagation, Vol. 60, No. 6, 2992-2997, 2012.
doi:10.1109/TAP.2012.2194678
22. Khalily, M., M. K. Rahim, and A. A. Kishk, "Planar wideband circularly polarized antenna design with rectangular ring dielectric resonator and parasitic printed loops," IEEE Antennas and Wireless Propagation Letters, Vol. 11, 905-908, 2012.
doi:10.1109/LAWP.2012.2211853
23. Wong, K.-L., J.-Y. Wu, and C.-K. Wu, "A circularly polarized patch-loaded square-slot antenna," Microwave and Optical Technology Letters, Vol. 23, No. 6, 363-365, 1999.
doi:10.1002/(SICI)1098-2760(19991220)23:6<363::AID-MOP13>3.0.CO;2-X
24. Row, J.-S. and S.-W. Wu, "Circularly-polarized wide slot antenna loaded with a parasitic patch," IEEE Transactions on Antennas and Propagation, Vol. 56, No. 9, 2826-2832, 2008.
doi:10.1109/TAP.2008.928769
25. Han, T.-Y., Y.-Y. Chu, L.-Y. Tseng, and J.-S. Row, "Unidirectional circularly-polarized slot antennas with broadband operation," IEEE Transactions on Antennas and Propagation, Vol. 56, No. 6, 1777-1780, 2008.
doi:10.1109/TAP.2008.923380
26. Hwang, K., "Broadband circularly-polarised spidron fractal slot antenna," Electronics Letters, Vol. 45, No. 1, 3-4, 2009.
doi:10.1049/el:20092876
27. Cohn, S. B., "Characteristic impedance of the shielded-strip transmission lin," Transactions o the IRE Professional Group on Microwave Theory and Techniques, Vol. 2, No. 2, 52-57, 1954.
doi:10.1109/TMTT.1954.1124875
28. Simons, R. N., Coplanar Waveguide Circuits, Components, and Systems, Vol. 165. John Wiley & Sons, 2004.
29. Nawaz, M. I., Z. Huiling, and M. Kashif, "Substrate Integrated Waveguide (SIW) to microstrip transition at X-band," Proceedings of the 2014 International Conference on Circuits, Systems and Control, 61-63, 2014.
30. Xu, F. and K. Wu, "Guided-wave and leakage characteristics of substrate integrated waveguide," IEEE Transactions on Microwave Theory and Techniques, Vol. 53, No. 1, 66-73, 2005.
doi:10.1109/TMTT.2004.839303
31. Balanis, C. A., Antenna Theory: Analysis and Design, John Wiley & Sons, 2016.
32. Hall, P., "Application of sequential feeding to wide bandwidth, circularly polarised microstrip patch arrays," IEE Proceedings H (Microwaves, Antennas and Propagation), Vol. 136, 390-398, IET, 1989.
doi:10.1049/ip-h-2.1989.0070
33. Chen, A., Y. Zhang, Z. Chen, and C. Yang, "Development of a ka-band wideband circularly polarized 64-element microstrip antenna array with double application of the sequential rotation feeding technique," IEEE Antennas and Wireless Propagation Letters, Vol. 10, 1270-1273, 2011.
doi:10.1109/LAWP.2011.2175433
34. Li, Y. and K.-M. Luk, "A 60-GHz wideband circularly polarized aperture-coupled magneto-electric dipole antenna array," IEEE Transactions on Antennas and Propagation, Vol. 64, No. 4, 1325-1333, 2016.
doi:10.1109/TAP.2016.2537390