volume | PIER Journals

Abstract

In this paper, three different compact circular-ring microstrip patch antenna structures have been proposed. These antennas have been analyzed, investigated and optimized using the CST-MW-simulator. The proposed designs are mainly based on the concept of patch shape reconfiguration while its overall dimensions are kept constant. The objective is to design dual and/or triple broadband antennas resonate within the fourth generation band (4G). The presented antennas are simulated and fabricated on cheaper and lossy FR-4 substrate, and their parameters are measured and compared. The obtained results show that the proposed antenna structures resonate within the 4G frequency band. The operating bandwidths have been varied between 270.0 MHz and 1000.0 MHz (about 4% up to 7% of center frequency). In addition, maximum VSWR value of less than 1.5 has been achieved. The obtained results verify the validity and the benefits of reconfiguring the patch shape. Finally, good agreement has been obtained between simulated and measured parameters.

1. Abdelaal, M. A. and H. H. M. Ghou, "Novel compact broadband and dual-band patch antennas," IEEE International Symposium on Wireless Communication Systems (ISWCS), 890-894, 2012. Google Scholar

2. Addaci, R., A. Diallo, C. Luxey, P. L. Thuc, and R. Staraj, "Dual-band WLAN diversity antenna system with high port-to-port isolation," IEEE Antennas and Wireless Propagation Letters, Vol. 11, 244-247, 2012.
doi:10.1109/LAWP.2012.2188824 Google Scholar

3. Anguera, J., C. Puente, C. Borja, and J. Soler, "Dual-frequency broadband-stacked microstrip antenna using a reactive loading and a fractal-shaped radiating edge," IEEE Antennas and Wireless Propagation Letters, Vol. 6, 309-312, 2007.
doi:10.1109/LAWP.2007.891523 Google Scholar

4. Azer, M., S. Shams, and A. Allam, "Compact double-sided printed omni-directional ultra wideband antenna," IEEE 14th International Symposium on Antenna Technology and Electromagnetic, and he American Electromagnetics Conference (ANTEM-AMEREM), 1-4, 2010.
doi:10.1109/ANTEM.2010.5552552 Google Scholar

5. Choukiker, Y., S. K. Behera, B. K. Pandey, and R. Jyoti, "Optimization of plannar antenna for ISM band using PSO," IEEE Second International Conference on Computing, Communication and Networking Technologies (ICCCNT), 1-4, 2010. Google Scholar

6. Gheethan, A. A. and D. E. Anagnostou, "Broadband and dual-band coplanar folded-slot antennas (CFSAs) [antenna designer's notebook]," IEEE Trans. Antennas Propag. Magazine, Vol. 53, No. 1, 80-89, 2011.
doi:10.1109/MAP.2011.5773572 Google Scholar

7. Li, , Z. and C. Ruan, "A small integrated bluetooth and UWB antenna with WLAN band-notched characteristic," IEEE Proceedings of International Symposium on Signals, Systems and Electronics (ISSSE), Vol. 1, 1-4, 2010. Google Scholar

8. Lu, J., Z. Kuai, and X. Zhu, "Broadband suspended patch antenna fed by co-planar double L-probes," 2012 IEEE International Workshop Antenna Technology (iWAT), 80-83, 2012.
doi:10.1109/IWAT.2012.6178403 Google Scholar

9. Maci, S. and G. Biffi Genttili, "Dual-frequency patch antennas," EEE Trans. Antennas Propag. Magazine, Vol. 39, No. 6, 13-20, Dec. 1997.
doi:10.1109/74.646798 Google Scholar

10. Mohammadirad, M., N. Komjani, and M. Yazdi, "Design and implementation of a new UWB microstrip antenna," IEEE 14th International Symposium on Antenna Technology and Electromagnetic, and the American Electromagnetics Conference (ANTEM-AMEREM), 1-4, 2010.
doi:10.1109/ANTEM.2010.5552511 Google Scholar

11. Swelam, W., M. A. Soliman, and A. Gomaa, "Compact dual-band microstrip patch array antenna for MIMO 4G communication systems," IEEE Antennas and Propagation Society International Symposium (APSURSI), 1-4, 2010. Google Scholar

12. CST Microwave Studio, Version 2011, . Google Scholar

Dr. Mohamed A. Abdelaal

Prof. Hussein Hamed Ghouz