1. Yang, H., Xi, X., Zhao, Y., Tan, Y., Yuan, Y., Wang, L.: Compact slot antenna with enhanced band-edge selectivity and switchable band-notched functions for UWB applications. IET Microwaves Antennas Propag. 13, 982–990 (2019)
2. GMarkina, A., Tumakov, D.N., Pleshchinskii, N.B.: Bandwidth enhancement of symmetrical fourth-teeth-shaped microstrip antenna. Helix 2275–2283 (2018)
3. Mouhouche, F., Azrar, A., Dehmas, M., Djafri, K.: A compact superformula based ultra-wideband antenna shape with two notched bands. Microwave Opt. Technol. Lett. 60, 2693–2697 (2018)
4. Milijić, M., Nešić, A., Milovanović, B.: Study of dielectric substrate effect on modelling CPW-fed slot antenna arrays. In: International Conference on Advanced Technologies Systems and Services in Telecommunications, pp. 105–108 (2017)
5. Kanniyappan N., Gandhi R.I.: Design and analysis of microstrip patch antenna feeding techniques. In: International Conference on Computational Intelligence and Computing Research, pp. 1268–1273 (2011)