Highly Isolated Dual-Polarized Microstrip Patch Antenna Using Defected Microstrip Structure
Arabinda Roy1, Chandan Ghosh2, Susanta Kumar Parui3
1Arabinda Roy, Dept. of Electronics and Telecommunication Engineering, Bengal Engineering and Science University, Shibpur, Howrah-711103, India.
2Chandan Ghosh, Dept. of Electronics and Communication Engineering,, B.C Roy Engineering College Durgapur, Westbengal, India.
3Dr. Susanta Kumar Parui, Dept. of Electronics and Telecommunication Engineering, Bengal Engineering and Science University, Shibpur, Howrah-711103, India
Manuscript received on April 04, 2013. | Revised Manuscript received on April 28, 2013. | Manuscript published on May 05, 2013. | PP: 588-592| Volume-3, Issue-2, May 2013. | Retrieval Number: C0746062312 /2012©BEIESP
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© The Authors. Published By: Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)
Abstract: A two-port rectangular microstrip patch antenna for dual frequency operation is investigated in this paper. Simple microstrip line feed has been used to feed the antenna. Quarter wavelength transformer is used for impedance matching. For the conventional dual feed dual frequency antenna the isolation between the two ports is obtained as 30 dB. An Improvement in isolation performance has been achieved by the introduction of defected microstrip structure which acts as band stop filters and thereby increases isolation between the two ports..
Keywords: Dual-Polarized, Patch Antenna, port isolation, Defected Microstrip Structure.