volume | PIER Journals

Abstract

In this paper, a new design of a dual-polarized antenna with high isolation and low cross polarization is proposed. The main radiation structures comprise two pairs of petaloid patches, which are fed by coaxial lines. Behind the patches, a U-shaped ground is placed to improve the front-to-back ratio of the antenna. Stable and symmetric radiation patterns at slanted ±45° polarization have been obtained within the frequency band 1.71-2.17 GHz. A return loss of -14 dB is achieved and measured isolation between the two input ports is over 31 dB. The 3 dB beamwidths of the two polarizations is stable (65°) and the average gain of the proposed antenna is about 9dBi across the whole frequency band.

1. Huang, Y.-H., Q. Wu, and Q.-Z. Liu, "Broadband dual-polarised antenna with high isolation for wireless communication," Electron. Lett., Vol. 45, 714-715, 2009.
doi:10.1049/el.2009.1256 Google Scholar

2. Su, D., D. Fu, T. N. C. Wang, and H. Yang, "Broadband polarization diversity base station antenna for 3G communication system," Journal of Electromagnetic Waves and Applications, Vol. 22, No. 4, 493-500, 2008.
doi:10.1163/156939308784150254 Google Scholar

3. Kashani, H. F., M. Shahpari, and H. Ameri, "Dual band dual polarized antenna with high effciency for base transceiver stations," Journal of Electromagnetic Waves and Applications, Vol. 22, No. 10, 1371-1379, 2008.
doi:10.1163/156939308786348848 Google Scholar

4. Mak, K.-M., H. Wong, and K.-M. Luk, "A shorted bowtie patch antenna with a cross dipole for dual polarization," IEEE Antennas Wirel. Propag. Lett., Vol. 6, 126-129, 2007. Google Scholar

5. Huang, Y.-H., Q.-Z. Liu, and S.-G. Zhou, "A wideband and dual frequency three-dimensional transition-fed circular patch antenna for indoor base station application," Progress In Electromagnetics Research Letters, Vol. 11, 47-54, 2009.
doi:10.2528/PIERL09080207 Google Scholar

6. Secmen, M. and A. Hizal, "A dual-polarized wide-band patch antenna for indoor mobile communication applications," Progress In Electromagnetics Research, Vol. 100, 189-200, 2010.
doi:10.2528/PIER09112607 Google Scholar

7. Zaman, A. U., L. Manholm, and A. Derneryd, "Dual polarised microstrip patch antenna with high port isolation," Electron. Lett., Vol. 43, 551-552, 2007.
doi:10.1049/el:20070723 Google Scholar

8. Cheng, D., "A dual-band dual-polarization microstrip antenna array prototype," Journal of Electromagnetic Waves and Applications, Vol. 18, No. 5, 663-674, 2004.
doi:10.1163/156939304774114691 Google Scholar

9. Chung, , J.-Y., "Ultra-wideband dielectric-loaded horn antenna with dual-linear polarization capability," Progress In Electromagnetics Research, Vol. 102, 397-411, 2010.
doi:10.2528/PIER10022703 Google Scholar

10. Masa-Campos, J. L. and F. Gonzalez-Fernandez, "Dual linear/circular polarized plannar antenna with low profile double-layer polarizer of 45^o tilted metallic strips for WiMAX applications," Progress In Electromagnetics Research, Vol. 98, 221-231, 2009.
doi:10.2528/PIER09092406 Google Scholar

11. Nystrom, I. and D. Karlsson, "Reduction of back radiation and cross coupling in dual polarisation aperture coupled patch antennas," IEEE Antennas Propagation Society Int. Symp. Dig., Vol. 4, 2222-2225, 1997. Google Scholar

12. Chiou, T. W. and K. L. Wong, "Broadband dual-polarised single microstrip patch antenna with high isolation and low cross polarization," IEEE Trans. Antennas Propag., Vol. 50, 399-401, 2002.
doi:10.1109/8.999635 Google Scholar

Mr. Chao Liu

Dr. Jing-Li Guo

Dr. You-Huo Huang

Dr. Lin-Ya Zhou