1. Siakavara, K., "A compact fractal microstrip antenna for GPS and terrestrial radio services," International Journal of Electronics, Vol. 94, 277-283, 2007.
doi:10.1080/00207210601114107
2. Eissfeller, B., G. Ameres, V. Kropp, and D. Sanroma, "Performance of GPS, GLONASS and Galileo,", 185-199, 2007.
3. Haneishi, M. and Y. Suzuki, "Circular polarization and bandwidth," Handbook of Microstrip Antennas, J. R. James, P. S. Hall, Peter Peregrinus, London, 1989.
4. Ferrero, F., C. Luxey, G. Jacquemod, and R. Staraj, "Dual band circular polarized microstrip antenna for satellite applications," IEEE Antennas and Wireless Prop. Lett., Vol. 4, 13-15, 2005.
doi:10.1109/LAWP.2004.841622
5. Yang, S. S., K. F. Lee, A. A. Kishk, and K. M. Luk, "Design and study of wideband single feed circularly polarized microstrip antennas," Progress In Electromagnetics Research, Vol. 80, 45-61, 2008.
doi:10.2528/PIER07110604
6. Sharma, P. C. and K. C. Gupta, "Analysis and optimized design of single feed circularly polarized microstrip antennas," IEEE Trans. Antennas Propag., Vol. 31, 949-955, 1983.
doi:10.1109/TAP.1983.1143162
7. Elhefnawy, M., W. Ismail, and J. S. Mandeep, "Circular polarisation diversity with small size microstrip antenna," International Journal of Electronics, Vol. 96, 1197-1205, 2009.
doi:10.1080/00207210902977871
8. Yang, S. L. S., R. Chair, A. A. Kishk, K. F. Lee, and K. M. Luk, "Study on sequential feeding networks for sub arrays of circularly polarized elliptical dielectric resonator antenna," IEEE Trans. Antennas Propag., Vol. 55, 321-333, 2007.
doi:10.1109/TAP.2006.889819
9. El Hajj, W., F. Gall´ee, and C. Person, "Tri-access tri-band reconfigurable stacked patch wire-plate antenna," 6th European Conference on Antennas and Propagation, 3574-3578, 2012.
10. Falade, O. P., M. U. Rehman, Y. Gao, X. Chen, and C. Parini, "Stacked patch circular polarized antenna for GPS/Galileo receiver applications," 6th European Conference on Antennas and Propagation, 1992-1995, 2012.
11. 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
12. Vasistha, P. and B. R. Vishvakarma, "Some studies on two-layer electromagnetically coupled microstrip antenna with dielectric cover," International Journal of Electronics, Vol. 86, 991-998, 1999.
doi:10.1080/002072199132987
13. Alkanhal, M. A. S., "Composite compact triple-band microstrip antennas," Progress In Electromagnetics Research, Vol. 93, 221-236, 2009.
doi:10.2528/PIER09050407
14. Ahdi Rezaeieh, S. and M. Kartal, "A new triple band circularly polarized square slot antenna design with crooked T and F-shape strips for wireless applications," Progress In Electromagnetics Research, Vol. 121, 1-18, 2011.
doi:10.2528/PIER11081506
15. Binoy, G. S., C. K. Aanandan, P. Mohanan, and K. Vasudevan, "Dual-frequency dual-polarized slot-coupled compact microstrip antenna for communication systems," International Journal of Electronics, Vol. 89, 191-195, 2002.
doi:10.1080/00207210210126961
16. Singh, A. K. and M. K. Meshram, "Shorting pin loaded dual-band compact rectangular microstrip antenna," International Journal of Electronics, Vol. 94, 237-250, 2007.
doi:10.1080/00207210601108166