Circularly Polarization of Edge-Fed Square Patch Antenna using Truncated Technique for WLAN Applications
Praveen Kumar Kancherla

Dr. Praveen Kumar Kancherla, Associate Professor, Department of ECE, CMRIT.
Manuscript received on 02 June 2019 | Revised Manuscript received on 10 June 2019 | Manuscript published on 30 June 2019 | PP: 1328-1332 | Volume-8 Issue-8, June 2019 | Retrieval Number: H7516068819/19©BEIESP
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Abstract: An antenna having a square radiating aperture named as patch is truncated at its opposite corners and power excitation is applied through its edge. This structure is best suitable for WLAN applications. Because of truncation the distribution of current over the patch is controlled and improves the axial ratio of the antenna, hence achieves circular polarization at two operating frequencies which are of 5.8 GHz and 9.2 GHz respectively. To validate the simulated results, prototype of proposed structure is done on FR4 substrate with a relative permittivity of 4.4 and thickness of 1.6 mm. Current design producing a peak realized gain of 7.5 dB at 5.8 GHz and 6.4 dB at 9.2 GHz. The complete structure was designed and simulated for results at CST microwave studio-based Antenna Magus tool and the measured results are analyzed with aniritsu combinational analyzer in anechoic chamber.
Keyword: Circular Polarization (CP), Axial Ratio (AR), Edge-Fed, WLAN.
Scope of the Article: Internet and Web Applications.