1. Ding, K., T. Yu, and Q. Zhang, "A compact stacked circularly polarized annular-ring microstrip antenna for GPS applications," Progress In Electromagnetics Research Letters, Vol. 40, 171-179, 2013.
doi:10.2528/PIERL13013009
2. Heidari, A. A., M. Heyrani, and M. Nakhkash, "A dual-band circularly polarized stub loaded microstrip patch antenna for GPS applications," Progress In Electromagnetics Research, Vol. 92, 195-208, 2009.
doi:10.2528/PIER09032401
3. Labadie, N. R., S. K. Sharma, and G. M. Rebeiz, "A circularly polarized multiple radiating mode microstrip antenna for satellite receive applications," IEEE Trans. Antennas Propagat., Vol. 62, No. 7, 3490-3500, 2014.
doi:10.1109/TAP.2014.2320860
4. Wang, Y. S. and S. J. Chung, "A miniature quadrifilar helix antenna for global positioning satellite reception," IEEE Trans. Antennas Propagat., Vol. 57, No. 12, 3746-3751, 2009.
doi:10.1109/TAP.2009.2024132
5. Amin, M., R. Cahill, and V. Fusco, "Dual-mode compact structure comprising of side-fed bifilar and quadrifilar helix antenna," IET Microw. Antennas Propag., Vol. 1, No. 5, 1006-1012, 2007.
doi:10.1049/iet-map:20070054
6. Amin, M., J. Yousaf, and M. K. Amin, "Terrestrial mode quadrifilar helix antenna," Progress In Electromagnetics Research Letters, Vol. 27, 179-187, 2011.
doi:10.2528/PIERL11081202
7. Lin, Y. F., Y. K. Wang, H. M. Chen, and Z. Z. Yang, "Circularly polarized crossed dipole antenna with phase delay lines for RFID handheld reader," IEEE Trans. Antennas Propagat., Vol. 60, No. 3, 1221-1227, 2012.
doi:10.1109/TAP.2011.2180319
8. Jin, P. and R. W. Ziolkowski, "High-directivity, electrically small, low-profile near-field resonant parasitic antennas," IEEE Antennas Wireless Propaga. Lett., Vol. 11, 305-309, 2012.
9. Bai, X. and S.-W. Qu, "Wideband cavity-backed crossed dipoles for circularly polarization," Progress In Electromagnetics Research Letters, Vol. 36, 133-142, 2013.
doi:10.2528/PIERL12101908
10. Yoon, W. S., S. M. Han, J. W. Baik, S. Pyo, J. Lee, and Y. S. Kim, "Crossed dipole antenna with switchable circular polarisation sense," Electron. Letters, Vol. 45, No. 14, 717-718, 2009.
doi:10.1049/el.2009.0391
11. Baik, J. W., T. H. Lee, S. Pyo, S. M. Han, J. Jeong, and Y. S. Kim, "Broadband circularly polarized crossed dipole with parasitic loop resonators and its arrays," IEEE Trans. Antennas Propagat., Vol. 59, No. 1, 80-88, 2011.
doi:10.1109/TAP.2010.2090463
12. Chi, L.-P., S.-S. Bor, S.-M. Deng, C.-L. Tsai, P.-H. Juan, and K.-W. Liu, "A wideband wide-strip dipole antenna for circularly polarized wave operations," Progress In Electromagnetics Research, Vol. 100, 69-82, 2010.
doi:10.2528/PIER09112201
13. Ta, S. X. and I. Park, "Crossed dipole loaded with magneto-electric dipole for wideband and wide-beam circularly polarized radiation," IEEE Antennas Wireless Propaga. Lett., Vol. 14, 358-361, 2015.
doi:10.1109/LAWP.2014.2363944
14. Ta, S. X., H. Choo, and I. Park, "Planar, and lightweight, circularly polarized crossed dipole antenna for handheld UHF RFID reader," Microwave Opt. Technol. Lett., Vol. 55, No. 8, 1874-1878, 2013.
doi:10.1002/mop.27674
15. Ta, S. X., J. J. Han, and I. Park, "Compact circularly polarized composite cavity-backed crossed dipole for GPS applications," Journal of Electromagnetic Engineering Science, Vol. 13, No. 1, 44-49, 2013.
doi:10.5515/JKIEES.2013.13.1.44