Abstract

A compact monopole antenna having wide bandwidth with multi-bands as well as dual polarization characteristics for wireless communication is presented. To get impedance matching for the SMA conductor, the antenna is fed up by Micro-strip feeding technique. In this, the antenna is embedded by an L-shaped slots on the ground plane, to improve the bandwidth by excited the addition of resonance. To generate the multiband characteristic, with dual polarization, the inverted E-shaped parasitic structured as a replacement is used in the back of the substrate and upper side of the ground. The measured results show that the proposed dual polarized monopole antenna offers a very high gain 7 dB with 10 dB return loss with multi notched bands, covering all the (3.18-3.66) GHz Wi-MAX, (5.18-6.22) GHz WLAN, (6.89-9.07) GHz X bands.

References

• N. Ojaroudi, M. Ojaroudi, and N. Ghadimi,“Dual band-notched small monopole antenna with novel W-shaped conductor backed-plane and novel T-shaped slot for UWB applications,” IET Microwaves, Antennas & Propagation,vol. 7, pp. 8–14, 2013.
• Bao, X.L., and Ammann, M.J.: ‘Wideband dual-frequency dual polarized dipole-like antenna’, IEEE Antennas Wirel. Propag. Lett., 2011,10, pp. 831–834
• Ghobadi, A., and Dehmollaian, M.: ‘A printed circularly polarized Y-shaped monopole antenna’, IEEE Antennas Wirel. Propag. Lett., 2012,11, pp. 22–25
• C.Y. Hong, C.W. Ling, I.Y. Tarn, and S.J. Chung, “Design of a planar ultrawideband antenna with a new band-notch structure,” IEEE Transactions on Antennas and Propagation, vol. 55, pp. 3391–3397, 2007.
• Y.J. Cho, K.H. Kim, D.H. Choi, S.S. Lee, and S.-O. Park, “A miniature UWB planar monopole antenna with 5-GHz band-rejection filter and the time-domain characteristics,” IEEE Transactions on Antennas and Propagation, vol. 54, pp. 1453–1460, 2006.
• R. Karimian, H. Oraizi, S. Fakhte IET Microw. Antennas Propag., 2014, Vol. 8, Iss. 8, pp. 604–610 doi: 10.1049/iet-map.2013.0085
• Bing Gong, Xue Shi Ren, Ying Yin Zeng, Lin Hua Su, Qiu Rong Zheng," Compact slot antenna for ultra-wide band applications"IET Microw. Antennas Propag., 2014, Vol. 8, Iss. 3, pp. 200–205 doi: 10.1049/iet-map.2013.0067.
• M. Mehranpour, J. Nourinia, Ch. Ghobadi, and M. Ojaroudi,"Dual Band-Notched Square Monopole Antenna for Ultrawideband Applications"IEEE Antennas and Wireless Propagation Letters, VOL. 11, 2012.
• P.F.Hu, Y.M.Pan, X.Y.Zhang and S.Y.Zheng," A Compact Filtering Dielectric Resonator Antenna with wide bandwidth and high gain"AP1512-1940.R1, 2016
• Y.H. Zhao, J.P. Xu, and K.Yin, “Dual band-notched ultra-wideband microstrip antenna using asymmetrical spurlines,” Electronics Letters, vol. 44, pp. 1051–1052, 2008.
• W.-S. Chen, Y.-H. Yu, “Compact design of T-type monopole antenna with asymmetrical ground plane for WLAN/WiMAX applications,” Microwave and Optical Technology Letters, vol. 50, pp. 515–519, 2008.
• R. Zaker, C. Ghobadi, and J. Nourinia, “Novel modifiedUWB planar monopole antenna with variable frequency band-notch function,”IEEEAntennas Wireless Propag. Lett., vol. 7, pp. 112–114, 2008.