1. Garg, R., P. Bhartia, I. Bahl, and A. Ittipiboon, Microstrip Antenna Design Handbook, Artech House, MA, 2001.
2. Buell, K., H. Mosallaei, and K. Sarabandi, "A substrate for small patch antennas providing tunable miniaturization factor," IEEE Trans. Microw. Theory Techn., Vol. 54, No. 1, 135-146, Jan. 2006.
doi:10.1109/TMTT.2005.860329
3. Dong, Y., H. Toyao, and T. Itoh, "Design and characterization of miniaturized patch antennas loaded with complimentary split ring resonator," IEEE Trans. Antennas Propag., Vol. 60, No. 2, 772-785, Feb. 2012.
doi:10.1109/TAP.2011.2173120
4. Ouedraogo, R. O., E. J. Rothwell, A. R. Diaz, K. Fuchi, and A. Temme, "Miniaturization of patch antennas using a metamaterial-inspired technique," IEEE Trans. Antennas Propag., Vol. 60, No. 5, 2175-2182, May 2012.
doi:10.1109/TAP.2012.2189699
5. Xu, X. and J. Wei, "Miniaturisation design of patch antenna using a low prole mushroom type meta-substrate tailored with high permittivity," IET Microw. Antennas Propag., Vol. 12, No. 7, 1216-1221, Jun. 2018.
doi:10.1049/iet-map.2017.1120
6. Desclos, L., "Size reduction of patch by means of slots insertion," Microw. Opt. Technol. Lett., Vol. 25, No. 2, 111-113, Feb. 2000.
doi:10.1002/(SICI)1098-2760(20000420)25:2<111::AID-MOP8>3.0.CO;2-S
7. Herscovici, N., M. F. Osorio, and C. Peixeiro, "Miniaturization of rectangular microstrip patches using genetic algorithms ," IEEE Antennas Wireless Propag. Lett., Vol. 1, 94-97, 2002.
doi:10.1109/LAWP.2002.805128
8. Palanisamy, V. and R. Garg, "Rectangular ring and H-shaped microstrip antennas-alternatives to rectangular patch antenna," Electron. Lett., Vol. 21, 874-876, 1985.
doi:10.1049/el:19850617
9. Singh, D., C. Kalialakis, P. Gardner, and P. S. Hall, "Small H-shaped antennas for MMIC applications," IEEE Trans. Antennas Propagat., Vol. 48, 1134-1141, Jul. 2000.
10. Anguera, J., L. Boada, C. Puente, and J. Soler, "Stacked H-shaped microstrip patch antenna," IEEE Trans. Antennas Propag., Vol. 52, No. 4, 983-993, Apr. 2004.
doi:10.1109/TAP.2004.825812