1. Azadegan, R. and K. Sarabandi, "A novel approach for miniaturization of slot antennas," IEEE Trans. Antennas Propag., Vol. 51, No. 3, 421-429, Mar. 2003.
doi:10.1109/TAP.2003.809853
2. Ghosh, B., S. K. M. Haque, D. Mitra, and S. Ghosh, "A loop loading technique for the miniaturization of non-planar and planar antennas," IEEE Trans. Antennas Propag., Vol. 58, No. 6, 2116-2121, Jun. 2010.
doi:10.1109/TAP.2010.2046842
3. Wang, C. J. and L. T. Chen, "Modeling of stepped-impedance slot antenna," IEEE Trans. Antennas Propag., Vol. 62, No. 3, 955-959, Feb. 2014.
doi:10.1109/TAP.2013.2291906
4. Chen, R. H. and Y. C. Lin, "Miniaturized design of microstrip-fed slot antennas loaded with C-shaped ring," IEEE Antennas Wireless Propag. Lett., Vol. 10, 203-206, Mar. 2011.
doi:10.1109/LAWP.2011.2123075
5. Wang, Y. S. and S. J. Chung, "A short open-end slot antenna with equivalent circuit analysis," IEEE Trans. Antennas Propag., Vol. 88, No. 5, 1771-1775, May 2010.
doi:10.1109/TAP.2010.2044471