1. Volakis, J. L., Antenna Engineering Handbook, 4th Ed., Ch. 11, McGraw-Hill, 2007.
2. James, J. R. and P. S. Hall, Handbook of Microstrip Antennas, Ch. 13, Peregrinus, 1989.
3. Cao, Y., S. Yan, J. Li, and J. Chen, "A pillbox based dual circularly-polarized millimeter-wave multi-beam antenna for future vehicular radar applications," IEEE Trans. Vehicular Technology, Vol. 71, No. 7, 7095-7103, 2022.
doi:10.1109/TVT.2022.3162299 Google Scholar
4. Cameron, T. R., A. T. Sutinjo, and M. Okoniewski, "A circularly polarized broadside radiating ``herringbone'' array design with the leaky-wave approach," IEEE Antennas Wireless Propag. Lett., Vol. 9, 826-829, 2010.
doi:10.1109/LAWP.2010.2066950 Google Scholar
5. Hirose, K., H. Araya, and H. Nakano, "Microstrip line antennas composed of sequentially rotated loop radiation cells," IEICE Trans., Vol. J88-B, No. 9, 1855-1862, 2005. Google Scholar
6. Hirose, K., M. Nakatsu, and H. Nakano, "A loop antenna with enlarged bandwidth of circular polarization - Its application in a comb-line antenna," Progress In Electromagnetics Research C, Vol. 105, 175-184, 2020.
doi:10.2528/PIERC20071902 Google Scholar
7. Harrington, R. F., Field Computation by Moment Methods, Macmillan, 1968.
8. Hirose, K., T. Shibasaki, Y. Yoshida, and H. Nakano, "Ladder antennas for dual circular polarization," IEEE Antennas Wireless Propag. Lett., Vol. 11, 1174-1177, 2012.
doi:10.1109/LAWP.2012.2220751 Google Scholar
9. Hirose, K., Y. Tamura, M. Tsugane, and H. Nakano, "Coplanar series-fed spiral antenna arrays for enlarged axial ratio bandwidth," Progress In Electromagnetics Research Letters, Vol. 108, 1-8, 2022. Google Scholar
10. Rocher, M. F., J. H. Herruzo, A. V. Nogueira, and B. B. Clemente, "Single-layer sequential rotation network in gap waveguide for a wideband low-profile circularly polarized array antenna," IEEE Access, Vol. 10, 62157-62163, 2022.
doi:10.1109/ACCESS.2022.3182336 Google Scholar
11. Qi, Z., Y. Zhu, and X. Li, "Compact wideband circularly polarized patch antenna array using self-sequential rotation technology," IEEE Antennas Wireless Propag. Lett., Vol. 21, No. 4, 700-704, 2022.
doi:10.1109/LAWP.2022.3142307 Google Scholar
12. Ma, R., Z. Jiang, Y. Zhang, X. Wu, T. Yue. W. Hong, and D. H. Werner, "Theory, design, and verification of dual-circularly polarized dual-beam arrays with independent control of polarization: A generalization of sequential rotation arrays," IEEE Trans. Antennas Propag., Vol. 69, No. 3, 1369-1382, 2021.
doi:10.1109/TAP.2020.3016500 Google Scholar
13. Nakano, H., T. Oka, K. Hirose, and J. Yamauchi, "Analysis and measurements for improved crank-line antennas," IEEE Trans. Antennas Propag., Vol. 45, No. 7, 1166-1172, 1997.
doi:10.1109/8.596910 Google Scholar
14. Mishra, G., S. K. Sharma, and J. S. Chieh, "A high gain series-fed circularly polarized traveling-wave antenna at W-band using a new butterfly radiating element," IEEE Trans. Antennas Propag., Vol. 68, No. 12, 7947-7957, 2020.
doi:10.1109/TAP.2020.3000567 Google Scholar
15. Ogurtsov, S. and S. Koziel, "A conformal circularly polarized series-fed microstrip antenna array design," IEEE Trans. Antennas Propag., Vol. 68, No. 2, 873-881, 2020.
doi:10.1109/TAP.2019.2943326 Google Scholar
16. Sun, M., N. Liu, L. Zhu, and G. Fu, "Wideband circularly polarized sequentially rotated microstrip antenna array with sequential-phase feeding network," J. of Communications and Information Networks, Vol. 5, No. 3, 350-357, 2020.
doi:10.23919/JCIN.2020.9200898 Google Scholar
17. Yan, N., K. Ma, and Y. Luo, "An SISL sequentially rotated feeding circularly polarized stacked patch antenna array," IEEE Trans. Antennas Propag., Vol. 68, No. 3, 2060-2067, 2020.
doi:10.1109/TAP.2019.2957096 Google Scholar