REFERENCES
- C. Wen-Shayang, W. U. Chun-kun and K.-L. Wong, “Novel compact circularly polarized square microstrip antenna,” IEEE Trans. Antenna Propag., vol. 49, no. 3, pp. 340–342, Mar. 2001.
- A. Z. Elshebeni, L. Fong and Y. Fan, “Dual-band circularly polarized antennas using stacked patches with asymmetric U-slots,” IEEE Antennas Wirel. Propag. Lett., vol. 10, pp. 492–495, May 2011.
- K.-F. Tong and T.-P. WONG, “Circularly polarized U-slot antenna,” IEEE Trans. Antenna Propag., vol. 55, no. 8, pp. 2382–2385, Aug. 2007.
- G. Akbar and M. Dehmollaian, “A printed circularly polarized Y-shaped monopole antenna,” IEEE Antennas Wirel. Propag. Lett., vol. 11, pp. 22–25, Dec. 2012.
- J. S. Row and C. Y. Ai, “Compact design of single-feed circularly polarized microstrip antenna,” Electron Lett., vol. 4, no. 18, pp. 1093–1094, Sep. 2004.
- M. L. Wong, H. Wong and K. M. Luk, “Small circularly polarized patch antenna,” Electron Lett., vol. 41, no. 16, pp. 7–8, Aug. 2005.
- Nasimuddin, X. Qing and C. H. Ning, “Compact asymmetric-slit microstrip antennas for circular polarization,” IEEE Trans Antenna Propag., vol. 59, no. 1, pp. 285–288, Jan. 2011.
- Nasimuddin, X. Qing and C. H. Ning, “A compact circular polarized cross-shaped slotted microstrip antenna,” IEEE Trans. Antenna Propag., vol. 60, no. 3, pp. 1584–1588, Mar. 2012.
- Nasimuddin, X. Qing and C. H. Ning, “Asymmetric-circular shaped slotted microstrip antennas for circular polarization and RFID applications,” IEEE Trans. Antenna Propag., vol. 58, no. 12, pp. 3821–3828, Dec. 2010.
- T. Sudha, T. S. Vedavath and N. Bhat, “Wideband Single fed circularly polarized patch antenna,” Electr. Lett., vol. 40, no. 11, pp. 648–649, May 2004.
- N. Herscovici, Z. Sipus and D. Bonefacic, “Circularly polarized single fed wide band microstrip patch,” IEEE Trans. Antenna Propag., vol. 51, no. 6, pp. 1277–1280, Jun. 2003.
- L. Bernard, G. Cherrtier and R. Saleau, “Wideband Circularly polarized patch antennas on reactive impedance substrates,” IEEE Antennas Wirel. Propag. Lett., vol. 10, pp. 1015–018, Sep. 2011.
- K. F. Tong, G. Lacotte and J. Huang, “Wideband single-fed proximity coupled circularly polarised annular slot antenna,” IET Microwave Antennas Propag., vol. 4, no. 10, pp. 1451–1455, Oct. 2010.
- Z. N. Chen and Nasimuddin, “Aperture-coupled asymmetrical C-shaped slot microstrip antenna for circular polarization,” IET Microwave. Antennas Propag., vol. 3, no. 3, pp. 372–378, Apr. 2009.
- J. Anguera, C. Puente, C. Borja and J. Soler, “Fractal-shaped antennas: a review,” Encyclop. RF M. Eng., vol. 2, pp. 1620–1635, Apr. 2005.
- L. Daotie and J–F. Mao, “A Koch-like sided fractal bow-tie dipole antenna,” IEEE Trans. Antenna Propag., vol. 60, no. 5, pp. 2242–2251, May. 2012.
- V. V. Reddy and N. V. S. N. Sarma, “Compact circularly polarized asymmetrical fractal boundary microstrip antenna for wireless applications,” IEEE Antennas Wirel. Propag. Lett., vol. 13, pp. 118–121, Jan. 2014.
- K. Agarwal, Nasimuddin and A. Arokiaswami, “RIS-based compact circularly polarized microstrip antennas,” IEEE Tran. Antenna Propag., vol. 51, no. 2, pp. 547–554, Feb. 2013.