A Review: Size Reduction in Microstrip Patch Antenna using Defected Ground Structure

Rajeewa Kumar Jaisawal*, Arvind Kumar Pandey**, R. K. Chauhan***
* M.Tech Student, Department of ECE, Madan Mohan Malaviya University of Technology, Gorakhpur, India.
** Ph.D Scholar, Madan Mohan Malaviya University of Technology, Gorakhpur, India.
*** Professor, Department of ECE, Madan Mohan Malaviya University of Technology, Gorakhpur, India.
Periodicity:February - April'2015
DOI : https://doi.org/10.26634/jcs.4.2.3340


In this paper, a new technique is proposed to achieve size reduction of microstrip patch antenna using Defected ground microstrip patch antenna. The technique is based on etching out two rectangular slots from the metallic ground plane beneath the complementary of the patch antenna. To achieve circular polarization a probe feed with different axial ratio has been proposed. Due to unequal axial ratio of 1:2 asymmetry is introduced. The slot length is used to optimize the resonant frequency. The validity of the concept is demonstrated by considering two resonance frequencies which are 2 obtained at 2.4 GHz and 2 GHz. The proposed antenna dimension is 40x70 mm . The dielectric substrate FR4_epoxy of relative permittivity 4.4 and dielectric loss tangent 0.02 is used for simulating the results. The simulation is done on Advanced Design System (ADS) version 11.


E –shape Patch, Circular Polarization, ADS, Defected Ground Structures, Microstrip Antenna, Axial Ratio.

How to Cite this Article?

Jaisawal, R. K., Pandey, A., and Chauhan, R. K. (2015). A Review: Size Reduction in Microstrip Patch Antenna using Defected Ground Structure. i-manager’s Journal on Communication Engineering and Systems, 4(2), 12-16. https://doi.org/10.26634/jcs.4.2.3340


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