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http://dx.doi.org/10.26866/jees.2018.18.3.182

A Compact Microstrip Patch Antenna Based on Metamaterials for Wi-Fi and WiMAX Applications  

Nelaturi, Suman (Department of Electronics and Communications Engineering, The National Institute of Technology)
Sarma, Nookala Venkata Satya Narasimha (Department of Electronics and Communications Engineering, The National Institute of Technology)
Publication Information
Journal of electromagnetic engineering and science / v.18, no.3, 2018 , pp. 182-187 More about this Journal
Abstract
A low profile asymmetrical fractal boundary patch antenna based on reactive impedance surface (RIS) and a mushroom unit cell (MUC) is proposed and studied for dual band operation. The sides of the square patch antenna are replaced with asymmetrical half circled fractal curves for circular polarization operation at patch mode band. The fractal patch antenna is loaded with MUC for dual band operation. The antenna radiation characteristics are investigated and illustrated with both simulated and experimental results in detail. The 10-dB return loss bandwidth are 8.48% (3.21-3.49 GHz) and 2.59% (2.30-2.36 GHz) at upper and lower resonance frequencies, respectively. The 3-dB axial ratio bandwidth is 4.26% (3.21-3.35 GHz). A close agreement between simulation data with experimental results is observed.
Keywords
Circular Polarization; Fractal Boundary Patch Antenna; Mushroom Unit Cell; Reactive Impedance Surface;
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