1. Ammann, M. J. and Z. N. Chen, "Wideband monopole antennas for multi-band wireless systems," IEEE Antennas and Propagation Magazine, Vol. 45, No. 2, 146-150, 2003.
doi:10.1109/MAP.2003.1203133
2. Booker, H. G., "Slot aerials and their relation to complementary wire aerials (Babinet’s principle)," Journal of the Institution of Electrical Engineers - Part IIIA: Radiolocation, Vol. 93, No. 4, 620-626, 1946.
doi:10.1049/ji-3a-1.1946.0150
3. Wong, K. L. and W. H. Hsu, "A broad-band rectangular patch antenna with a pair of wide slits," IEEE Transactions on Antennas and Propagation, Vol. 49, No. 9, 1345-1347, 2001.
doi:10.1109/8.951507
4. DeJean, G. R., T. T. Thai, S. Nikolaou, and M. M. Tentzeris, "Design and analysis of microstrip Bi-Yagi and Quad-Yagi antenna arrays for WLAN applications," IEEE Antennas and Wireless Propagation Letters, Vol. 6, 244-248, 2007.
doi:10.1109/LAWP.2007.893104
5. Ehrenspeck, H., "The double-helix antenna and its variants, a new class of tunable endfire antennas," IEEE Transactions on Antennas and Propagation, Vol. 13, No. 2, 203-208, 1965.
doi:10.1109/TAP.1965.1138408
6. Pazin, L. and Y. Leviatan, "A compact 60-GHz tapered slot antenna printed on LCP substrate for WPAN applications," IEEE Antennas and Wireless Propagation Letters, Vol. 9, 272-275, 2010.
doi:10.1109/LAWP.2010.2046612
7. Kraus, J. D. and R. J. Marhefka, Antennas: For All Applications, 3rd Ed., The McGraw-Hill Companies Inc., 2002.
8. Targonski, S. D., R. B. Waterhouse, and D. M. Pozar, "Design of wide-band aperture-stacked patch microstrip antennas," IEEE Transactions on Antennas and Propagation, Vol. 46, No. 9, 1245-1251, 1998.
doi:10.1109/8.719966
9. Abdelaziz, A. A., "Bandwidth enhancement of microstrip antenna," Progress In Electromagnetics Research, Vol. 63, 311-317, 2006.
doi:10.2528/PIER06053001
10. Sanyal, A., A. Basu, S. K. Koul, M. Abegaonkar, S. Varughese, and P. B. Venkatesh Rao, "A planar end-fire array in S-band for airborne applications," IETE Journal of Research, Vol. 58, No. 1, 34-43, 2014.
doi:10.4103/0377-2063.94080
11. Saed, M. A., "Broadband CPW-fed planar slot antennas with various tuning stubs," Progress In Electromagnetics Research, Vol. 66, 199-212, 2006.
doi:10.2528/PIER06112703
12. Eldek, A. A., A. Z. Elsherbeni, and C. E. Smith, "Dual-wideband square slot antenna with a U-shaped printed tuning stub for personal wireless communication systems," Progress In Electromagnetics Research, Vol. 53, 319-333, 2005.
doi:10.2528/PIER04103001
13. Eldek, A. A., A. Z. Elsherbeni, and C. E. Smith, "Design of wideband triangle slot antennas with tuning stub," Progress In Electromagnetics Research, Vol. 48, 233-248, 2004.
doi:10.2528/PIER04022303
14. Kale, G. M., R. P. Labade, and R. S. Pawase, "Tunable and dual band rectangular microstrip antenna for bluetooth and WiMAX applications," Microwave and Optical Technology Letters, Vol. 57, No. 8, 1986-1991, 2015.
doi:10.1002/mop.29242
15. Tsai, J. F., C. J. Shih, and J. S. Row, "A design method for patch antennas with wide frequency tunable range and stable conical radiation," Microwave and Optical Technology Letters, Vol. 54, No. 6, 1441-1445, 2012.
doi:10.1002/mop.26846
16. Attia, H., O. Siddiqui, and O. Ramahi, "Beam tilting of single microstrip antenna using high permittivity superstrate," Microwave and Optical Technology Letters, Vol. 55, No. 7, 1657-1661, 2013.
doi:10.1002/mop.27659
17. 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, No. 3, 191-195, 2010.
doi:10.1080/00207210210126961
18. Jayasinghe, J. M. J. W., J. Anguera, D. N. Uduwawala, and A. Andújar, "High-directivity genetic microstrip patch antenna," International Journal of Electronics Letters, Vol. 4, No. 3, 279-286, 2015.
doi:10.1080/21681724.2015.1034189
19. Wu, W., B. Z. Wang, and S. Sun, "Pattern reconfigurable microstrip patch antenna," Journal of Electromagnetic Waves and Applications, Vol. 19, No. 1, 107-113, 2012.
doi:10.1163/1569393052955125
20. Orban, D. and G. J. K. Moernaut, "The basics of patch antennas," RF Globalnet Newsletter, 2009.
21. Balanies, C. A., Antenna Theory: Analysis & Design, 2nd Ed., John Wiley & Sons Inc., 1997.
22. Singh, A. K. and M. K. Meshram, "Shorting pin loaded dual-band compact rectangular microstrip antenna," International Journal of Electronics, Vol. 94, No. 3, 237-250, 2007.
doi:10.1080/00207210601108166
23. Chen, K., X. Chen, and K. Huang, "A novel microstrip dipole antenna with wideband and end-fire properties," Journal of Electromagnetic Waves and Applications, Vol. 21, No. 12, 1679-1688, 2012.